CN208631277U - Exterior float disc high efficient secondary elastic sealing device - Google Patents
Exterior float disc high efficient secondary elastic sealing device Download PDFInfo
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- CN208631277U CN208631277U CN201821234434.8U CN201821234434U CN208631277U CN 208631277 U CN208631277 U CN 208631277U CN 201821234434 U CN201821234434 U CN 201821234434U CN 208631277 U CN208631277 U CN 208631277U
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- elastic sealing
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Abstract
The utility model discloses a kind of exterior float disc high efficient secondary elastic sealing devices, belong to exterior float disc sealing structure technical field.Including elastic sealing bands, a fastening structure, upper layer vaporization prevention film, secondary fastening structure and lower layer's vaporization prevention film, outer elastic plate end seamlessly transits and extends to oil level or less and fit closely with oil tank wall, interior elastic plate-shaped is matched with the outer elastic plate-shaped, and the clamping of lower layer's vaporization prevention film is formed once sealing therebetween；The upper end of upper layer vaporization prevention film is locked on elastic packing band by the clamping screw of a fastening structure, and lower end is locked on exterior float disc by the clamping screw of secondary fastening structure, forms secondary seal.Secondary seal is formed, sealing performance is improved, oil and gas leakage is avoided the occurrence of, improves safety；The case where lower layer's vaporization prevention film, inside and outside elastic plate bottom end are submerged in oil liquid, and outer elastic plate is fitted closely with tank skin, and leakproofness well avoids the occurrence of large area leakage.
Description
Technical field
The utility model relates to a kind of exterior float disc high efficient secondary elastic sealing devices, belong to exterior float disc sealing structure technology neck
Domain.
Background technique
With the enlargement of oil storage tank and oil depot scale, the requirement to the sealing of floating roof tank floating plate is higher and higher.In recent years
Carry out the frequent generation of storage tank floating plate edge seal circle lightning stroke fire accident, reason is mostly floating plate sealing leak.To guarantee storage tank
Tightness and floating roof flexibility, need to be arranged floating roof sealing system.The sealing system of floating roof tank is large-scale storage tank safety
The weakest link of operation.
In oil storage and transportation production process, Tank Floating plate edge sealing leak causes oil storage tank exploding and firing accident
Major reason.The domestic a lot of tank fire exploding and firing accidents occurred in recent years, suffer heavy losses.
Oil tank sealing leak simultaneously also results in a large amount of organic gas and evaporate into atmosphere, seriously polluted environment, causes
A large amount of losses of oil product, economic benefit are greatly affected.
For status, factory leads positive tissue technical staff to carry out sealing exploitation and research to new product, one year over,
Product design and development, design review, design verification are carried out from foreign technology data is collected, design modification, design confirmation have been made big
Measure work.Reliable floating roof sealing device can effectively prevent the evaporation of oil gas in storage tank, reduces oil and gas leakage loss, guarantees oil
Quality reduces the hydrocarbon content in floating roof, reduces environmental pollution, avoid a possibility that on fire of being struck by lightning, so that it is guaranteed that storage
The safe operation and clean manufacturing of tank, economic benefit and social benefit are significant.
Summary of the invention
Technical problem to be solved by the utility model is to provide a kind of exterior float disc high efficient secondary elastic sealing device,
It solves the problems, such as that current exterior float disc sealing structure sealing performance is limited, there are security risks.
Technical problem to be solved in the utility model takes following technical scheme to realize:
Exterior float disc high efficient secondary elastic sealing device, including elastic sealing bands, a fastening structure, upper layer vaporization prevention film,
Secondary fastening structure and lower layer's vaporization prevention film；
The elastic sealing bands are annular and surround oil tank wall one week that section is y-type structure；
Fastening structure includes conductor wire, conductive sheet, top board, lower platen, support plate and clamping screw, described
Top board, the lower platen are separately mounted to the upper and lower end face of the elastic sealing bands, and it is close that the conductive sheet is located at the elasticity
Envelope is with top and the upper end is contacted with oil tank wall, and conductive sheet lower end is bent to horizontal direction, and the support plate is located at the bullet
Property band below and the upper end bent to horizontal direction, lower end contacts with oil tank wall, and clamping screw is by the top board, institute
State lower platen, the support plate and the elastic packing locking, the conductor wire upper end connect with clamping screw, lower end with outside
Floating plate connection；
The secondary fastening structure includes elastic connection plate, support rod, is laterally extended plate, support plate, outer elastic plate, interior bullet
Property plate and clamping screw, the elastic connection plate lower end, which seamlessly transits, simultaneously to be fixed with plate is laterally extended, the support rod lower end with
Elastic connection plate is fixed, and post upper is equipped with through-hole and passes through the clamping screw of a fastening structure, and support plate is pushed against, and is locked
Tight bolt locks plate, the support plate, the outer elastic plate, the interior elastic plate and the exterior float disc of being laterally extended, described
Support plate is laterally extended between plate and the outer elastic plate described in being located at, and end tilts upwards, and the outer elastic plate end is flat
It slips over and crosses and extend to oil level or less and fitted closely with oil tank wall, the interior elastic plate-shaped and the outer elastic plate-shaped
Lower layer's vaporization prevention film clamping is formed once sealing by matching therebetween；
The upper end of the upper layer vaporization prevention film is locked on elastic packing band by the clamping screw of a fastening structure, lower end
It is locked on exterior float disc by the clamping screw of secondary fastening structure, forms secondary seal.
It is equipped with lower layer's vaporization prevention film by using above-mentioned technical proposal, between outer elastic plate and interior elastic plate and extends to liquid level
Hereinafter, outer elastic plate is fitted closely with oil tank wall, once sealing is formed；The upper end of upper layer vaporization prevention film is by a fastening structure
Clamping screw be locked on elastic packing band, lower end is locked on exterior float disc by the clamping screw of secondary fastening structure, formed
Secondary seal improves sealing performance, avoids the occurrence of oil and gas leakage, improves safety.
Secondary seal is located on once sealing, is used for closed oil gas, from exchanging and stopping rain with outside air
The foreign matters such as water enter, and protect once sealing.Full-scale compensation secondary seal and once sealing have same compensation work range.
Vaporization prevention film is that uvioresistant, anti-aging, weathering resistance and fire-retardant polymer compound film, one end are connect with floating plate,
The other end is connected to the elastic packing band fitted closely with tank skin for closed oil gas, for the oil gas between secondary seal,
The entrance of external oxygen and rainwater is isolated.
Elastic sealing bands, use rubber material, and guarantee is fitted closely with tank skin, in turn ensured corrosion-resistant and ageing-resistant
Performance, elastic sealing bands are connected with upper layer vaporization prevention film and support rod respectively, so that having between elastic sealing bands and tank skin certain
Pressure, it is ensured that sealing to vaporizing oil-gas and the entrance for avoiding rainwater and oxygen.
Support rod bottom is connect with elastic connection plate, and upper end pushes against support plate and provides continuous for elastic sealing strip, more
Good guarantee sealing effect.
As preferred embodiment, it is additionally provided with protrusion on the position that the elastic sealing bands are in contact with oil tank wall, is convenient for bullet
Property band floats up and down with exterior float disc along oil tank.
As preferred embodiment, the clamping screw end of a fastening structure is equipped with washer and split pin, prevents from supporting
Bar is disengaged with support plate.
As preferred embodiment, one end that the conductive sheet, the support plate are in contact with oil tank wall is tilted, convenient for along oil
Tank tank skin moves up and down.
As preferred embodiment, the upper end of the upper layer vaporization prevention film is pressed on the elastic sealing bands by the top board
On upper surface.
As preferred embodiment, the secondary fastening structure further includes U-shaped pressing plate, backing plate and filler strip, U-shaped pressing plate one end and institute
It states and is laterally extended plate contact, the other end and pad contact, the support plate, the outer elastic plate, the interior elastic plate are compressed,
It is equipped with the filler strip between backing plate and support plate, support plate and outer elastic plate, improves and compresses effect, further lift-off seal
Energy.
As preferred embodiment, it is also coated with oil resistant silica gel between the secondary fastening structure and exterior float disc, is further promoted close
Sealing property.
As preferred embodiment, the outer elastic plate, the interior elastic plate end are equipped with the side wrapped plate for packaging the two, into one
Walk lift-off seal performance.
The beneficial effects of the utility model are: being equipped with lower layer's vaporization prevention film between outer elastic plate and interior elastic plate and extending to liquid
Face forms once sealing hereinafter, outer elastic plate is fitted closely with oil tank wall；The upper end of upper layer vaporization prevention film is by primary fastening knot
The clamping screw of structure is locked on elastic packing band, and lower end is locked on exterior float disc by the clamping screw of secondary fastening structure, shape
At secondary seal, sealing performance is improved, oil and gas leakage is avoided the occurrence of, improves safety；Elastic sealing bands are in support rod and elasticity
It is fitted tightly on oil tank wall under the action of plate, is contacted always with tank skin in location free procedure, leakproofness is good；The anti-steaming of lower layer
Hair film, inside and outside elastic plate bottom end are submerged in oil liquid, and outer elastic plate is fitted closely with tank skin, and leakproofness well avoids the occurrence of
The case where large area leaks.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the portion A enlarged drawing in Fig. 1；
Fig. 3 is the portion B enlarged drawing in Fig. 1；
Fig. 4 is the portion C enlarged drawing in Fig. 1.
In figure: elastic sealing bands 1, upper layer evaporating film 2, lower layer's evaporating film 3, conductor wire 4, conductive sheet 5, top board 6 push
Plate 7, support plate 8, exterior float disc 9, elastic connection plate 10, support rod 11 are laterally extended plate 12, support plate 13, and outer elastic plate 14 is interior
Elastic plate 15, washer 16, split pin 17, U-shaped pressing plate 18, backing plate 19, filler strip 20, oil resistant silica gel 21, side wrapped plate 22.
Specific embodiment
In order to which the technical means, creative features, achievable purpose and effectiveness to the utility model are easy to understand, tie below
Conjunction is specifically illustrating, and the utility model is further described.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, exterior float disc high efficient secondary elastic sealing device, including it is elastic sealing bands 1, primary
Fastening structure, upper layer vaporization prevention film 2, secondary fastening structure and lower layer's vaporization prevention film 3；
The elastic sealing bands 1 are annular and surround oil tank wall one week that section is y-type structure；
Fastening structure includes conductor wire 4, conductive sheet 5, top board 6, lower platen 7, support plate 8 and locking screw
Bolt, the top board 6, the lower platen 7 are separately mounted to the upper and lower end face of the elastic sealing bands 1, and the conductive sheet 5 is located at
Above the elastic sealing bands 1 and the upper end is contacted with oil tank wall, and 5 lower end of conductive sheet is bent to horizontal direction, the support
Plate 8 is located at 1 lower section of elastic sealing bands and the upper end is bent to horizontal direction, and lower end is contacted with oil tank wall, clamping screw
The top board 6, the lower platen 7, the support plate 8 and the elastic sealing bands 1 are locked, 4 upper end of conductor wire with
Clamping screw connection, lower end is connect with exterior float disc 9；
The secondary fastening structure includes elastic connection plate 10, support rod 11, is laterally extended plate 12, support plate 13, outer bullet
Property plate 14, interior elastic plate 15 and clamping screw, 10 lower end of elastic connection plate smooth transition simultaneously with to be laterally extended plate 12 fixed,
11 lower end of support rod and elastic connection plate 10 are fixed, and 11 upper end of support rod is equipped with through-hole and passes through the lock of a fastening structure
Tight bolt pushes against support plate 8, clamping screw by it is described be laterally extended plate 12, the support plate 13, the outer elastic plate 14,
The interior elastic plate 15 is locked with exterior float disc 9, and the support plate 13 is laterally extended plate 12 and the outer elastic plate 14 positioned at described
Between, end tilts upwards, when exterior float disc 9 floats, provides support for interior elastic plate 15, outer 14 end of elastic plate is flat
It slips over and crosses and extend to oil level or less and fitted closely with oil tank wall, interior 15 shape of elastic plate and the outer elastic plate 14
Lower layer's vaporization prevention film 3 clamping is formed once sealing by shape matching therebetween；
Exterior float disc 9 is equipped with angle bar, for fixing secondary fastening structure；
The upper end of the upper layer vaporization prevention film 2 is locked on elastic sealing bands 1 by the clamping screw of a fastening structure, under
End is locked on exterior float disc 9 by the clamping screw of secondary fastening structure, forms secondary seal.
Elastic plate, which is all made of, uses excellent 301 trade mark elastic plate of stainless steel as material, thermally treated with special hard
Degree, elasticity is moderate, is unlikely to deform.
Upper layer vaporization prevention film 2, lower layer's vaporization prevention film 3 are uniform by multiple groups around exterior float disc 9 one weeks by its circumferential seal
A fastening structure, the secondary fastening structure of distribution are fixed.
In a kind of embodiment wherein, it is additionally provided on the position that the elastic sealing bands 1 are in contact with oil tank wall convex
It rises.
In a kind of embodiment wherein, the clamping screw end of a fastening structure is equipped with washer 16 and split pin
17。
In a kind of embodiment wherein, one end that the conductive sheet 5, the support plate 8 are in contact with oil tank wall is stuck up
It rises.
In a kind of embodiment wherein, the upper end of the upper layer vaporization prevention film 2 is pressed on the bullet by the top board 6
On the upper surface of property band 1.
In a kind of embodiment wherein, the secondary fastening structure further includes U-shaped pressing plate 18, backing plate 19 and filler strip 20, U
18 one end of type pressing plate is contacted with the plate 12 that is laterally extended, and the other end is contacted with backing plate 19, by the support plate 13, the outer bullet
Property plate 14, the interior elastic plate 15 compress, be equipped between backing plate 19 and support plate 13, support plate 13 and outer elastic plate 14 described
Filler strip 20.
In a kind of embodiment wherein, oil resistant silica gel 21 is also coated between the secondary fastening structure and exterior float disc 9.
In a kind of embodiment wherein, the outer elastic plate 14, interior 15 end of elastic plate are equipped with and package the two
Side wrapped plate 22.
In the utility model, between outer elastic plate 14 and interior elastic plate 15 be equipped with lower layer's vaporization prevention film 3 and extend to liquid level with
Under, outer elastic plate 14 is fitted closely with oil tank wall, forms once sealing；The upper end of upper layer vaporization prevention film 2 is by primary fastening knot
The clamping screw of structure is locked on elastic sealing bands 1, and lower end is locked on exterior float disc 9 by the clamping screw of secondary fastening structure,
Secondary seal is formed, sealing performance is improved, oil and gas leakage is avoided the occurrence of, improves safety；Elastic sealing bands 1 support rod 11 with
It is fitted tightly on oil tank wall under the action of elastic plate, is contacted always with tank skin in location free procedure, leakproofness is good；Lower layer
Vaporization prevention film 3,14 bottom end of inside and outside elastic plate are submerged in oil liquid, and outer elastic plate 14 is fitted closely with tank skin, and leakproofness is good
The case where avoiding the occurrence of large area leakage well.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry it should be appreciated that the present utility model is not limited to the above embodiments, do not depart from the spirit of the present invention and
Under the premise of range, the utility model also has various changes and improvements, these changes and improvements both fall within the utility model and want
In the range of asking protection.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (8)
1. exterior float disc high efficient secondary elastic sealing device, it is characterised in that: including elastic sealing bands, fastening structure, a upper layer
Vaporization prevention film, secondary fastening structure and lower layer's vaporization prevention film；
The elastic sealing bands are annular and surround oil tank wall one week that section is y-type structure；
Fastening structure includes conductor wire, conductive sheet, top board, lower platen, support plate and clamping screw, the upper pressure
Plate, the lower platen are separately mounted to the upper and lower end face of the elastic sealing bands, and the conductive sheet is located at the elastic sealing bands
Top and the upper end is contacted with oil tank wall, conductive sheet lower end are bent to horizontal direction, and it is close that the support plate is located at the elasticity
Envelope band lower section and the upper end is bent to horizontal direction, lower end contacts with oil tank wall, clamping screw by the top board, it is described under
Pressing plate, the support plate and the elastic packing locking, the conductor wire upper end are connect with clamping screw, lower end and exterior float disc
Connection；
The secondary fastening structure includes elastic connection plate, support rod, is laterally extended plate, support plate, outer elastic plate, interior elastic plate
And clamping screw, the elastic connection plate lower end seamlessly transit and fix with plate is laterally extended, the support rod lower end and elasticity
Connecting plate is fixed, and post upper is equipped with through-hole and passes through the clamping screw of a fastening structure, support plate is pushed against, locking screw
Bolt locks plate, the support plate, the outer elastic plate, the interior elastic plate and the exterior float disc of being laterally extended, the rest
Plate is laterally extended between plate and the outer elastic plate described in being located at, and end tilts upwards, and the outer elastic plate end is smoothed
It crosses and extends to oil level or less and fitted closely with oil tank wall, the interior elastic plate-shaped and the outer elastic plate-shaped
Match, lower layer's vaporization prevention film clamping is formed into once sealing therebetween；
The upper end of the upper layer vaporization prevention film is locked on elastic packing band by the clamping screw of a fastening structure, and lower end is by two
The clamping screw of secondary fastening structure is locked on exterior float disc, forms secondary seal.
2. exterior float disc high efficient secondary elastic sealing device according to claim 1, it is characterised in that: the elastic sealing bands
Protrusion is additionally provided on the position being in contact with oil tank wall.
3. exterior float disc high efficient secondary elastic sealing device according to claim 1, it is characterised in that: the primary fastening knot
The clamping screw end of structure is equipped with washer and split pin.
4. exterior float disc high efficient secondary elastic sealing device according to claim 1, it is characterised in that: the conductive sheet, institute
One end that support plate is in contact with oil tank wall is stated to tilt.
5. exterior float disc high efficient secondary elastic sealing device according to claim 1, it is characterised in that: the upper layer vaporization prevention
The upper end of film is pressed on the upper surface of the elastic sealing bands by the top board.
6. exterior float disc high efficient secondary elastic sealing device according to claim 1, it is characterised in that: the secondary fastening knot
Structure further includes U-shaped pressing plate, backing plate and filler strip, and U-shaped pressing plate one end is contacted with the plate that is laterally extended, the other end and pad contact,
The support plate, the outer elastic plate, the interior elastic plate are compressed, between backing plate and support plate, support plate and outer elastic plate
It is equipped with the filler strip.
7. exterior float disc high efficient secondary elastic sealing device according to claim 1 or 6, it is characterised in that: described secondary tight
Oil resistant silica gel is also coated between fixing structure and exterior float disc.
8. exterior float disc high efficient secondary elastic sealing device according to claim 1, it is characterised in that: the outer elastic plate,
The interior elastic plate end is equipped with the side wrapped plate for packaging the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821234434.8U CN208631277U (en) | 2018-08-02 | 2018-08-02 | Exterior float disc high efficient secondary elastic sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821234434.8U CN208631277U (en) | 2018-08-02 | 2018-08-02 | Exterior float disc high efficient secondary elastic sealing device |
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| CN208631277U true CN208631277U (en) | 2019-03-22 |
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| CN201821234434.8U Active CN208631277U (en) | 2018-08-02 | 2018-08-02 | Exterior float disc high efficient secondary elastic sealing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111409963A (en) * | 2020-04-20 | 2020-07-14 | 安庆特种橡塑股份有限公司 | Double-layer elastic plate structure for full-compensation elastic sealing of floating roof storage tank and installation method |
-
2018
- 2018-08-02 CN CN201821234434.8U patent/CN208631277U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111409963A (en) * | 2020-04-20 | 2020-07-14 | 安庆特种橡塑股份有限公司 | Double-layer elastic plate structure for full-compensation elastic sealing of floating roof storage tank and installation method |
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