CN209834553U - Double-sealing structure for single-disc floating bin type inner floating roof - Google Patents
Double-sealing structure for single-disc floating bin type inner floating roof Download PDFInfo
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- CN209834553U CN209834553U CN201821999105.2U CN201821999105U CN209834553U CN 209834553 U CN209834553 U CN 209834553U CN 201821999105 U CN201821999105 U CN 201821999105U CN 209834553 U CN209834553 U CN 209834553U
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Abstract
The utility model discloses a double-sealing structure for a single-disc floating bin type inner floating roof, wherein a plurality of hollow sealed outer floating bins (1) are horizontally distributed on the outer ring around the inner floating roof at equal intervals, the outer side surface of each outer floating bin (1) is provided with an outer ring beam (2) which is vertically distributed, and the outer ring beam (2) protrudes out of the top surface of the outer floating bin (1); a sealing bag (3) is fixedly arranged in the middle of the outer side surface of the outer ring beam (2), and the outer side end of the sealing bag (3) is in sealing contact with a tank wall (4) of the oil storage tank; the sealing structure is characterized in that a sealing strip (5) is fixedly arranged at the top of the outer side face of the outer ring beam (2), the sealing strip (5) bends outwards and downwards, and the outer side end of the sealing strip (5) is in sealing contact with the tank wall (4) of the oil storage tank. The utility model has the advantages of being scientific and reasonable in structural design, the leakproofness is high, and its periphery is tight to the sealed of oil storage tank, effectively avoids the medium to volatilize and leaks, can the fully provided user to the sealed demand of oil storage tank.
Description
Technical Field
The utility model relates to a seal structure technical field especially relates to a double containment structure that is used for single deck floating bin formula internal floating roof.
Background
At present, an oil storage tank is used as a special container for various liquid media and is important equipment in the field of petrochemical industry.
To various petrochemical liquids such as diesel oil, petrol, it volatilizees easily, in order to reduce the volatilization loss of the liquid medium who stores in the oil storage tank, avoids volatilizing the oil gas that forms (for example petrol volatilizees the oil gas that forms) and gives off to the outside of oil storage tank, and cause serious environmental pollution and potential safety hazard, at present, the commonly used technical means is: an inner floating roof is arranged on the liquid medium in the oil storage tank, the periphery of the inner floating roof is in contact with the tank wall of the oil storage tank, and the inner floating roof correspondingly rises and falls along with the liquid level height of the liquid medium, so that the volatilization of the liquid medium in the oil storage tank can be effectively prevented.
However, the existing general internal floating roof adopts a single sealing structure, is unreasonable in structural design, has the problems that the periphery of the internal floating roof is not tight enough to seal an oil storage tank, has a certain medium volatilization leakage problem, is not ideal in sealing effect, and cannot fully meet the sealing requirement of a user on the oil storage tank.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a double containment structure for floating roof in single-disk floating bin formula, its structural design scientific and reasonable, the leakproofness is high, and its periphery is tight to the sealed of oil storage tank, effectively avoids the medium to volatilize and leaks, can the fully provided user to the sealed demand of oil storage tank, is favorable to promoting the market competition of interior floating roof product, has the production practice meaning of great importance.
Therefore, the utility model provides a double-sealing structure for a single-deck floating bin type inner floating roof, which is applied to the inner floating roof inside an oil storage tank, wherein a plurality of hollow sealed outer floating bins are horizontally distributed on the outer ring around the inner floating roof at equal intervals, the outer side surface of each outer floating bin is provided with an outer ring beam which is vertically distributed, and the outer ring beam protrudes out of the top surface of the outer floating bin;
a sealing bag is fixedly arranged in the middle of the outer side surface of the outer ring beam, and the outer side end of the sealing bag is in sealing contact with the tank wall of the oil storage tank;
the top of the outer side face of the outer ring beam is fixedly provided with a sealing strip, the sealing strip is bent outwards and downwards, and the outer side end of the sealing strip is in sealing contact with the tank wall of the oil storage tank.
Wherein the sealing tape is a tongue-shaped sealing tape bent downward.
Wherein, the sealing tape is a tongue-shaped sealing tape made of rubber.
Wherein, the sealing bag and the sealing belt are in interference contact with the tank wall of the oil storage tank respectively.
Wherein the bottom of the sealing bag is positioned above the longitudinal center line of the outer floating bin.
Wherein the bottom of the sealing bag is positioned above the liquid level in the oil storage tank.
The capsule shell of the sealing capsule is a rubber capsule shell, and sponge or flame-retardant foam is wrapped inside the rubber capsule shell.
Wherein, the inner side port of each outer floating bin is provided with an inner ring beam which is vertically distributed;
and a positioning support beam which is obliquely distributed is fixedly connected between the top of the inner ring beam and the upper part of the outer ring beam.
By above the utility model provides a technical scheme is visible, compares with prior art, the utility model provides a double containment structure for single-deck floating bin formula internal floating roof, its structural design scientific and reasonable, the leakproofness is high, and its periphery is tight to the sealed of oil storage tank, effectively avoids the medium to volatilize and leaks, can the fully provided user to the sealed demand of oil storage tank, is favorable to promoting the market competition of internal floating roof product, has the meaning of very big production practice.
Drawings
Fig. 1 is a schematic structural diagram of a double-sealing structure for a single-deck floating-cabin type inner floating roof according to the present invention;
in the figure: 1 is an outer floating bin, 2 is an outer ring beam, 3 is a sealing bag, 4 is a tank wall and 5 is a sealing belt;
6 is an inner ring beam, 7 is a positioning support beam, and 8 is a liquid level.
Detailed Description
In order to make the technical field of the present invention better understand, the present invention is further described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1, the utility model provides a double containment structure for floating roof in single-deck floating bin formula for seal to the oil storage tank wall, specifically the interior floating roof is peripheral and the oil storage tank wall between sealed. The utility model provides a double-sealing structure, which is applied to an inner floating roof inside an oil storage tank, wherein a plurality of hollow sealed outer floating bins 1 are horizontally distributed on the outer ring around the inner floating roof at equal intervals;
the outer side surface (namely the side surface facing the direction of the oil storage tank) of each outer floating bin 1 is provided with an outer ring beam 2 which is vertically distributed, and the outer ring beam 2 protrudes out of the top surface of the outer floating bin 1;
the middle part of the outer side surface of the outer ring beam 2 is fixedly provided with a sealing bag 3, and the outer side end of the sealing bag 3 is in sealing contact with the tank wall 4 of the oil storage tank, so that a first layer of sealing is formed on the tank wall 4 of the oil storage tank, and a good sealing effect is achieved;
the outer side surface top of the outer ring beam 2 is fixedly provided with a sealing strip 5, the sealing strip 5 is bent outwards and downwards, and the outer side end of the sealing strip 5 is in sealing contact with the tank wall 4 of the oil storage tank, so that a second layer of sealing is formed on the tank wall 4 of the oil storage tank, and the sealing effect is further improved.
In the present invention, in the concrete implementation, the sealing strip 5 is a tongue-shaped sealing strip bent downward.
In a concrete implementation, the sealing tape 5 is a tongue-shaped sealing tape made of rubber.
It should be noted that, to the utility model discloses, it has adopted tongue shape sealing strip, and its pliability is very good, can be including when floating the top goes up and down, overturn along with the lift of interior floating the top, be sliding contact with the jar wall, utilize in addition tongue type area self elasticity and jar body between seal, frictional force when can not increase interior floating the top goes up and down has fine gas seal effect. And simultaneously, the utility model discloses combine to adopt sealed bag 3, this kind of bag formula seal structure, possess very good sealed, fixed and prevent the performance of transposition, it leans on the huge foam of sticky tape parcel to it is even with its compression, and big with the area of contact of oil storage tank wall, can play the effect of even stress when floating the top and going up and down including, can deal with the local deformation problem of tank wall and the too big interior floating top shift problem that arouses of solvent velocity of flow.
It should also be noted that the inner floating roof is a circular inner floating roof and is located in the hollow cylindrical oil storage tank.
The utility model discloses in, in the concrete realization, sealed bag 3 and sealing strip 5 are interference contact respectively with the jar wall 4 of oil storage tank between.
In the present invention, in the concrete implementation, the bottom of the sealing bag 3 is located above the longitudinal center line of the outer floating bin 1.
In the present invention, in the specific implementation, the bottom of the sealing bag 3 is located above the liquid level 8 in the oil storage tank.
The utility model discloses in, the capsule shell of capsule 3 is the rubber capsule shell (for example compound polyurethane material, the capsule shell that rubber tape made), the inside parcel of rubber capsule shell is sponge (for example polyurethane sponge) or fire-retardant foam.
Therefore, the utility model discloses a direct deviation and the local defect of jar body can fully be compensatied to capsule 3 to wear-resisting, high tensile, the destruction of more resistant most oil/chemicals, long service life. The sealing bag 3 can turn over along with the lifting of the inner floating roof, is in sliding contact with the tank wall of the oil storage tank and is sealed with the tank body by the elasticity of the polyurethane sponge.
In the utility model, in order to ensure the stable and reliable structure of the sealing strip, the outer ring beam 2 is effectively and reliably supported and positioned, and the inner ring beam 6 which is vertically distributed is arranged at the port of the inner side of each outer floating bin 1;
and a positioning support beam 7 which is obliquely distributed is fixedly connected between the top of the inner ring beam 6 and the upper part of the outer ring beam 2.
Therefore, it is right the utility model discloses, the higher, stricter requirement of internal floating roof peripheral seal can be satisfied to the double containment structure of its adoption, and it is sealed effectual, strong adaptability, and it is simple to make, simple to operate, long service life.
Therefore, based on above technical scheme can know, compare with prior art, to the utility model discloses, it has following beneficial technological effect:
1. the utility model combines two sealing structures of tongue shape and bag type, which have advantages, so that the reliability of the outer ring sealing of the inner floating top is increased while the stability of the inner floating top lifting in the vertical direction in the oil storage tank is ensured, the evaporation loss of the stored liquid medium can be obviously reduced, and the economic benefit of users is ensured;
2. the utility model utilizes the characteristics of the tongue-shaped sealing structure through scientific structural design while the bag-type sealing, so that when the inner floating roof goes up and down, the utility model can effectively prevent the impurity and dust from entering the solvent below the inner floating roof, thereby solving the problem that the original sealing device is easy to enter the external impurities;
3. the utility model discloses structural strength is high, and required preparation material is few, has effectively practiced thrift the energy, simultaneously the effectual environmental pollution that has reduced.
4. The utility model discloses simple to operate, the maintenance and the maintenance in the later stage of being convenient for.
To sum up, compare with prior art, the utility model provides a pair of a double containment structure for single-deck floating bin formula internal floating roof, its structural design scientific and reasonable, the leakproofness is high, and its periphery is tight to the sealed of oil storage tank, effectively avoids the medium to volatilize and leaks, can fully satisfy the user to the sealed demand of oil storage tank, is favorable to promoting the market competition of internal floating roof product, has the meaning of very big production practice.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A double-sealing structure for a single-deck floating bin type inner floating roof is applied to the inner floating roof in an oil storage tank, and a plurality of hollow sealed outer floating bins (1) are horizontally distributed on the outer ring around the inner floating roof at equal intervals, and is characterized in that the outer side surface of each outer floating bin (1) is provided with an outer ring beam (2) which is vertically distributed, and the outer ring beam (2) protrudes out of the top surface of the outer floating bin (1);
a sealing bag (3) is fixedly arranged in the middle of the outer side surface of the outer ring beam (2), and the outer side end of the sealing bag (3) is in sealing contact with a tank wall (4) of the oil storage tank;
the top of the outer side face of the outer ring beam (2) is fixedly provided with a sealing strip (5), the sealing strip (5) bends outwards and downwards, and the outer side end of the sealing strip (5) is in sealing contact with the tank wall (4) of the oil storage tank;
the sealing bag (3) and the sealing belt (5) are in interference contact with the tank wall (4) of the oil storage tank respectively;
the capsule shell of the sealing capsule (3) is a rubber capsule shell, and sponge or flame-retardant foam is wrapped inside the rubber capsule shell.
2. Double sealing structure according to claim 1, characterized in that the sealing strip (5) is a tongue-shaped sealing strip bent downwards.
3. Double sealing structure according to claim 2, characterized in that the sealing strip (5) is a tongue-shaped sealing strip made of rubber.
4. Double sealing structure according to claim 1, characterized in that the bottom of the sealing bladder (3) is located above the longitudinal centre line of the outer buoyancy chamber (1).
5. Double sealing structure according to claim 1, characterized in that the bottom of the sealing bladder (3) is located above the liquid level (8) in the tank.
6. Double sealing structure according to any one of claims 1 to 5 wherein each outer floating bin (1) has at its inner side port a vertically distributed inner ring beam (6);
and a positioning support beam (7) which is obliquely distributed is fixedly connected between the top of the inner ring beam (6) and the upper part of the outer ring beam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821999105.2U CN209834553U (en) | 2018-11-30 | 2018-11-30 | Double-sealing structure for single-disc floating bin type inner floating roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821999105.2U CN209834553U (en) | 2018-11-30 | 2018-11-30 | Double-sealing structure for single-disc floating bin type inner floating roof |
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| Publication Number | Publication Date |
|---|---|
| CN209834553U true CN209834553U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821999105.2U Active CN209834553U (en) | 2018-11-30 | 2018-11-30 | Double-sealing structure for single-disc floating bin type inner floating roof |
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| CN (1) | CN209834553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112550959A (en) * | 2020-12-16 | 2021-03-26 | 浙江海洋大学 | Internal floating roof oil tank sealing device of oil tanker |
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2018
- 2018-11-30 CN CN201821999105.2U patent/CN209834553U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112550959A (en) * | 2020-12-16 | 2021-03-26 | 浙江海洋大学 | Internal floating roof oil tank sealing device of oil tanker |
| CN112550959B (en) * | 2020-12-16 | 2022-07-08 | 浙江海洋大学 | Internal floating roof oil tank sealing device of oil tanker |
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