CN212776807U - High-efficient full compensation sealing system - Google Patents
High-efficient full compensation sealing system Download PDFInfo
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- CN212776807U CN212776807U CN202020993796.6U CN202020993796U CN212776807U CN 212776807 U CN212776807 U CN 212776807U CN 202020993796 U CN202020993796 U CN 202020993796U CN 212776807 U CN212776807 U CN 212776807U
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Abstract
The utility model discloses a storage tank sealing system, which is arranged between the inner wall of a storage tank and a floating plate and comprises an edge adaptation component, a supporting component, a primary sealing device and a secondary sealing component, wherein the primary sealing device and the secondary sealing component are connected with the edge adaptation component; the secondary sealing component comprises a stainless steel film sealing structure and a stainless steel sheet which is abutted against the inner wall of the storage tank. The stainless steel sealing structure and the stainless steel sheet in the sealing system are integrated, and the sealing system is compact in structure, good in sealing performance and stable.
Description
Technical Field
The utility model relates to an energy storage technology field, concretely relates to high-efficient full compensation sealing system for storage tank.
Background
The floating roof atmospheric storage tank in the current petrochemical industry uses carbon steel formula floating plate or concatenation formula floating plate more, and the edge adopts the sponge to add the soft sealing of rubber tape, and nevertheless the sealed following problem that has of carbon steel floating plate: the carbon steel floating disc has large stress, is influenced by errors in design, construction and use, is easy to deform to cause unevenness of the top surface and the bottom surface, forms a gas phase space in a partial area between a storage medium and the floating disc, and can cause a serious problem that a chuck and the like block the floating disc to run up and down; the carbon steel is easy to corrode, an anti-corrosion layer needs to be coated, the anti-corrosion layer is easy to fall off, regular maintenance is needed in production and operation, the maintenance workload is large, and the cost is high; and (III) the carbon steel is easy to generate rust, and the storage medium is limited. And the floating plate has meteorological space and floating plate gap, and bag formula sealed inherent structural problem can't prevent the medium from volatilizing from the source to lead to storage tank VOC to discharge that exceeds standard, cause a large amount of medium loss of volatilizing. The oil product has the problem of evaporation loss all the time in the storage process, so that not only is very serious economic loss brought, direct pollution is caused to the atmosphere, photochemical smog is easily formed to cause secondary pollution, a large amount of alkane, aromatic hydrocarbon and other harmful components contained in oil vapor can also cause damage to human bodies, but more importantly, the evaporation loss of the oil product is easy to form explosive mixtures, and accidents such as ignition, explosion and the like can be caused when meeting a fire source when reaching the explosion limit.
The existing floating plate edge seal comprises a primary seal and a secondary seal, and a secondary seal structure for a floating roof storage tank is mainly a tongue-shaped rubber seal and achieves the sealing effect by means of sliding contact of an elastic tongue piece and a tank wall. However, friction exists between the tongue-shaped seal and the tank wall, and the tongue-shaped belt overturns along with the up-and-down movement of the floating roof to cause overturning stress damage, so that the reliability of the seal is seriously influenced.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a storage tank sealing system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
one aspect of the present invention is to provide a storage tank sealing system, which is disposed between an inner wall of a storage tank and a floating plate, and comprises an edge adapter assembly, a support assembly, and a primary sealing device and a secondary sealing assembly connected to the edge adapter assembly; the secondary sealing component comprises a stainless steel film sealing structure and a stainless steel sheet which is abutted against the inner wall of the storage tank.
Preferably, the primary sealing device comprises an annular elastic long plate, a supporting strip and a sealing film arranged on one side, facing the liquid, of the stainless steel carbon elastic sheet.
Preferably, the stainless steel membrane sealing structure is integrally formed with the stainless steel sheet.
Preferably, the secondary seal assembly further comprises a seal reinforcing assembly, the seal reinforcing assembly comprises sealing rubber strips arranged on two sides of the stainless steel membrane seal structure and a sealing pressing plate arranged on the outer side of the sealing rubber strips, and the end face of the sealing pressing plate is in close contact with the inner wall of the storage tank.
Preferably, the stainless steel sheet comprises a steel sheet main body and a folding edge arranged at the bottom of the steel sheet main body, and the steel sheet main body and the folding edge are in smooth transition connection.
Preferably, the support assembly comprises a metal spring piece and a support arm, and the metal spring piece and the support arm are locked through a bolt.
Further preferably, the top of the edge adapting component is connected with the stainless steel film sealing structure through a bolt, one side of the edge adapting component is connected with an angle steel, and one end, far away from the supporting arm, of the stainless steel sheet is locked with the angle steel through a bolt.
Preferably, the stainless steel membrane sealing structure comprises a supporting elastic sheet and polytetrafluoroethylene fiber membranes arranged on two sides of the supporting elastic sheet.
The beneficial effects of the utility model are embodied in:
the sealing system of the utility model comprises an edge adapting component, a supporting component, a primary sealing device and a secondary sealing component which are connected with the edge adapting component, wherein the secondary sealing component comprises a stainless steel film sealing structure and a stainless steel sheet which is propped against the inner wall of the storage tank; the stainless steel membrane sealing structure and the stainless steel sheet are integrally formed. The stainless steel sealing structure of the sealing system is integrated with the stainless steel sheet, and the sealing system is compact in structure, good in sealing performance and stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a high-efficiency full-compensation sealing system according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a primary sealing structure according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
The utility model discloses a storage tank sealing system is used for the whole liquid of concatenation formula or integral type to connect the floating plate, and buoyancy unit is box or honeycomb formula.
The tank sealing system is disposed between the inner tank wall 400 and the floating plate 500, and includes an edge adapter assembly 100, a support assembly 200, and a secondary sealing assembly 300 connected to the edge adapter assembly 100.
The secondary seal assembly 300 includes a stainless steel diaphragm seal structure 310 and a stainless steel diaphragm that abuts the inner wall of the tank.
The stainless steel membrane sealing structure 310 comprises a supporting spring plate, polytetrafluoroethylene fiber membranes arranged on two sides of the supporting spring plate and a second polytetrafluoroethylene fiber membrane arranged on the supporting spring plate, wherein the first polytetrafluoroethylene fiber membrane is arranged on the inner side of the supporting spring plate, and preferably, the first polytetrafluoroethylene fiber membrane has oil resistance and H resistance2S、CO2The second polytetrafluoroethylene fiber film has the function of resisting ultravioletThe function of the wire.
The stainless steel sheet comprises a steel sheet main body 321 and a folding edge 322 arranged at the bottom of the steel sheet main body 321, and the steel sheet main body 321 and the folding edge 322 are connected in a smooth transition mode. Specifically, the stainless steel sheet is further provided with an anticorrosive resin on the inner side.
It should be noted that the supporting spring plate and the stainless steel plate are integrally formed, and may also be connected by a bolt provided at an end portion.
If the supporting elastic sheet and the stainless steel sheet are locked through the bolts, the second-stage sealing assembly further comprises a sealing reinforcing assembly, the sealing reinforcing assembly comprises a sealing rubber strip and a sealing pressing plate, the sealing rubber strip is arranged on two sides of the stainless steel film sealing structure 310, and the sealing pressing plate enables the sealing rubber strip to be in close contact with the stainless steel film sealing structure and the stainless steel sheet through the matching of the bolts and the nuts so as to prevent volatile gas from entering a second-stage sealing system from a first-stage sealing space.
The utility model provides an one-level confined space realizes through a sealing device, and a sealing device includes elasticity long slab 610 (as shown in fig. 2), support bar and locates the seal membrane that the inelasticity long slab set up towards liquid one side, and the seal membrane setting is between support bar and elasticity long slab moreover.
The support assembly 200 includes a metal spring 210 and a support arm 220, and the metal spring 210 and the support arm 220 are locked together by a bolt. The metal spring 210 is formed by extruding 16 layers of different metal materials, the elastic fatigue strength is lifelong, the particularity of the used materials ensures sealing, and the pressure cannot be too high. The elastic force of the metal elastic sheet acts on the supporting arm, and the supporting arm can enable the stainless steel sheet to be tightly attached to the tank wall. The metal elastic sheet enables the compensation range of the secondary seal to be R (-x/+3x) x, wherein R refers to the annular space between the floating disc and the tank wall; x refers to the deformation-corrected dimension of the tank.
In order to strengthen the utility model discloses well second grade seal assembly's comprehensive properties, the utility model discloses support the first polytetrafluoroethylene fibrous membrane that the inboard bonding in shell fragment surface set up and handle through the modification.
The utility model discloses a still be connected with the conducting strip on the second grade seal assembly.
The outer side of the secondary sealing assembly is specially arranged, so that the wall-attached drainage function can be realized, and the self-cleaning function is realized. The antifouling function can be achieved by adding carbon fiber, carbon nano tube, graphene and other fillers, organic silicon defoaming agent and polyacrylate wetting dispersant into the resin on the outer side of the surface of the supporting elastic sheet and adding hydrophobic additives.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (8)
1. A storage tank sealing system is characterized by being arranged between the inner wall of a storage tank and a floating disc and comprising an edge adapting component, a supporting component, a primary sealing device and a secondary sealing component, wherein the primary sealing device and the secondary sealing component are connected with the edge adapting component; the secondary sealing component comprises a stainless steel film sealing structure and a stainless steel sheet which is abutted against the inner wall of the storage tank.
2. The tank sealing system of claim 1, wherein the primary sealing means comprises an annular elastic strip, a support strip, and a sealing membrane disposed on a liquid-facing side of the stainless steel carbon dome.
3. The storage tank sealing system of claim 1, wherein the stainless steel membrane sealing structure is integrally formed with the stainless steel sheet.
4. The storage tank sealing system according to claim 1, wherein the secondary sealing assembly further comprises a sealing reinforcement assembly, the sealing reinforcement assembly comprises sealing rubber strips arranged on two sides of the stainless steel membrane sealing structure and sealing press plates arranged on the outer sides of the sealing rubber strips, and the end surfaces of the sealing press plates are in close contact with the inner wall of the storage tank.
5. The storage tank sealing system of claim 1, wherein the stainless steel sheet comprises a steel sheet main body and a folded edge disposed at the bottom of the steel sheet main body, and the steel sheet main body and the folded edge are connected in a smooth transition manner.
6. The tank sealing system of claim 1, wherein the support assembly comprises a metal dome and a support arm, and the metal dome and the support arm are fastened together by a bolt.
7. The storage tank sealing system of claim 6, wherein the top of the edge adapter assembly is bolted to the stainless steel membrane seal structure, and wherein an angle is attached to one side of the edge adapter assembly, and wherein the end of the stainless steel sheet distal from the support arm is bolted to the angle.
8. The storage tank sealing system of claim 1, wherein the stainless steel membrane sealing structure comprises a supporting spring and polytetrafluoroethylene fiber membranes disposed on both sides of the supporting spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020993796.6U CN212776807U (en) | 2020-06-03 | 2020-06-03 | High-efficient full compensation sealing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020993796.6U CN212776807U (en) | 2020-06-03 | 2020-06-03 | High-efficient full compensation sealing system |
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| Publication Number | Publication Date |
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| CN212776807U true CN212776807U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020993796.6U Active CN212776807U (en) | 2020-06-03 | 2020-06-03 | High-efficient full compensation sealing system |
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| CN (1) | CN212776807U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111534030A (en) * | 2020-06-03 | 2020-08-14 | 河北澳科中意环保科技有限公司 | Polytetrafluoroethylene fiber membrane and sealing system containing same |
-
2020
- 2020-06-03 CN CN202020993796.6U patent/CN212776807U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111534030A (en) * | 2020-06-03 | 2020-08-14 | 河北澳科中意环保科技有限公司 | Polytetrafluoroethylene fiber membrane and sealing system containing same |
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