CN2217602Y

CN2217602Y - Floating-plate device for petroleum storage tank

Info

Publication number: CN2217602Y
Application number: CN 94221459
Authority: CN
Inventors: 尹宝泉
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-09-21
Filing date: 1994-09-21
Publication date: 1996-01-17
Anticipated expiration: 2004-09-21

Abstract

The utility model relates to a floating-plate device for a petroleum storage tank, mainly composed of an annular sealing ring, a top board, an umbrella-shaped floatage-type frame, etc. The annular sealing ring is arranged on the upper part of the outer circumference of the top board, and the top board is an aluminium board disc body and is arranged on the upper surface of the umbrella-shaped floatage-type frame. A plurality of radial float beams, chord beams and central connecting boards are fixedly connected integrally into the frame, and the radial float beams are arranged in an equidistant mode through the axle wire of a storage tank and composed of hollow aluminium alloy pipe material, plastic foam or closed cavities and sealing devices. The utility model has the advantages of simple structure, light weight, reliable performance, better electrostatic conducting performance, energy saving and less pollution, and can prevent or reduce the evaporation loss of the petroleum. The utility model is used for the transportation and the storage of the petroleum in the petrochemical industry.

Description

Petroleum storage tank floating plate device

The utility model relates to a kind of case of traffic and transport field storing material, particularly relate to a kind of petroleum storage tank floating plate device of petrochemical industry, it is assembled in the inside of petroleum storage tank, can prevent or reduce the evaporation loss of petroleum products, thereby energy savings reduces environmental pollution.

Up to now, similar floating plate is No. 90222442.5, Chinese patent that is the described structure of Zhang Shi floating plate for example, be that combination by steel radial girders and Zhou Bianliang is fixed with 60 floater of foam, destatic in order to lead, its outer bread at floater of foam is carried out metal gauze, and be filled with the additive of conduction within it, but this floating plate has following weak point:

1, owing to adopt steel radial girders and Zhou Bianliang, weight/power ratio is heavier mutually with the aluminum beam for it, and has the defective of corrosion;

2, owing to be assembled with 60 floater of foam parts, make the structure of floating plate comparatively complicated;

3, there is the ageing of plastics problem in floater of foam, performances such as its fuel resistance and service life, and it is superior to can not show a candle to traditional metal floater;

4, floater of foam directly contacts with pasta, because of mutual fricative electrostatic potential will be higher than traditional metal floater;

5, wrap metal gauze in the floater of foam outside, fill the additive of conduction static within it, though can make it have certain electrostatic conductive performance, it is superior that this electrostatic conductive performance can not show a candle to traditional metal floater.

The purpose of this utility model is, at above-mentioned weak point, overcome the shortcoming of prior art, and provide a kind of petroleum storage tank floating plate device of new structure, make it have simple in structure, in light weight, dependable performance and have the effect of preferable electrostatic conductive performance, and can prevent or reduce the evaporation loss of petroleum products, energy savings reduces environmental pollution.

The purpose of this utility model is realized by following technical scheme.A kind of petroleum storage tank floating plate device is characterized in that it mainly is made up of grommet type seals (1), top board (3) and umbrella floatage-type skeleton parts such as (H), and wherein, grommet type seals (1) is made by oil proof rubber, is arranged in the upper outer circumference of top board (3); Top board (3) is a disc, make by aluminium sheet, its be installed in umbrella floatage-type skeleton (H) above; Umbrella floatage-type skeleton (H) is by some radially floating beam (10), string beam (9) and the center connecting plates (11) of giving, and connects in aggregates with rivet welding or fastener; This radially float beam (10) be that the center of circle equidistantly is provided with the axis of storage tank (7), its shell is the closed structure that hollow shape aluminium-alloy pipe section bar (f) is made.

The purpose of this utility model also can further be realized by following technical measures.

Aforesaid petroleum storage tank floating plate device, radially float beam (10) in the wherein said umbrella floatage-type skeleton (H) is the aluminium-alloy pipe section bar (f) by hollow shape, foamed plastic (15) and sealing arrangement (S) are formed, it is the hollow cavity position that described foamed plastic (15) seal group is contained in aluminium-alloy pipe section bar (f), this foamed plastic (15) is a hole-closing structure, its two ends are assembled with sealing arrangement (S), sealing device (S) is made up of sealing resin glue (17) and outer seal (16), outer seal (16) and affixed being integral of float beam (10) radially, its inboard is sealing resin glue (17), be folded with foamed plastic (15) between the two sealing resin glue (17), be equipped with hole for injecting glue (14) above two outer seals (16).

Aforesaid petroleum storage tank floating plate device, radially float beam (10) in the wherein said umbrella floatage-type skeleton (H) is for being provided with the structure of closed cavity (19) and sealing arrangement (M), its shell is to be made by the aluminium-alloy pipe section bar (f) of hollow shape, two ends are provided with sealing arrangement (M), sealing device (M) is by outer seal (16), sealing resin glue (17) and interior capping (18) constitute, form sealed cavity (19) between two sealing arrangements (M), two outer seals (16), the interior solid welding of cavity that interior capping (18) is embedded in aluminium alloy extrusions (f) is an one, be provided with sealing resin glue (17) between outer seal (16) and the interior capping (18), be equipped with hole for injecting glue (14) above two outer seals (16).

Aforesaid petroleum storage tank floating plate device, radially float beam (10) in the wherein said umbrella floatage-type skeleton (H) is the aluminium-alloy pipe section bar (f) by hollow shape, foamed plastic (15) and sealing arrangement (M) are formed, the two ends that are described foamed plastic (15) are assembled with sealing arrangement (M), sealing device (M) is by outer seal (16), sealing resin glue (17) and interior capping (18) constitute, form sealed cavity (19) between two sealing arrangements (M), two outer seals (16), the interior solid welding of cavity that interior capping (18) is embedded in aluminium alloy extrusions (f) is an one, be equipped with hole for injecting glue (14) above two outer seals (16), be provided with sealing resin glue (17) between outer seal (16) and the interior capping (18).

Aforesaid petroleum storage tank floating plate device, radially float beam (10) in the wherein said umbrella floatage-type skeleton (H) is made up of aluminium-alloy pipe section bar (f), foamed plastic (15) and the sealing arrangement (S) of hollow shape, assembles respectively at the two ends of aluminium-alloy pipe section bar (f) and is installed with pipe link (e).

After aforesaid petroleum storage tank floating plate device, wherein said radially float beam (10) are assembled into the hollow position of aluminium alloy extrusions (f) with foamed plastic (15), at the both ends of the surface assembling layer of metal plate or the metallic membrane (20) of foamed plastic (15).

Aforesaid petroleum storage tank floating plate device, wherein said radially float beam (10) its can be designed to square or rectangular cross sectional shape, the shape in multiple cross sections such as square that the square of (N) that is provided with the wing or the cross sectional shape of rectangle, the cross sectional shape that has the square-outside and round-inside of the wing (N), the circular section shape that has the wing (N), circular section shape, the square or the rectangular cross sectional shape that are combined into welding or fastener connection structure by flute profile aluminium alloy extrusions (J) or the flute profile aluminium alloy extrusions (J) that has flank (N) are combined into or rectangular cross sectional shape.

Aforesaid petroleum storage tank floating plate device, wherein said top board (3) is in aggregates with rivet welding or fastener bonded assembly textural association by some blocks of aluminium sheets (25), can adopt at the seam of adjacent two blocks of aluminium sheets (25) to be provided with the oil resistant adhesive tape or sealant is sealed to one, also can on top board (3), group be provided with the fire-fighting foams back-up ring; Or described top board (3) by some blocks of aluminium sheets by the combination of rivet welding or fastener connection structure in aggregates after, be provided with the metal coating cloth of layer of aluminum titanium alloy again in the surface adhesion of aluminium sheet (25); Or described top board (3) is made up of some aluminium alloy plates (K) and some metallic membrane cloth (D), all adopt aluminium alloy plate (K) combined to the position that sufficient intensity and rigidity requirement are arranged on the top board (3), then adopt metallic membrane cloth (D) combined for other position on the top board (3), this metallic membrane cloth (D) is a kind of fiber cloth with sufficient intensity and oil resistance, plate or be bonded with layer of aluminum film or aluminium/titanium alloy film at its tow sides, formation has electric conductivity and sir-tight metallic membrane cloth.

Aforesaid petroleum storage tank floating plate device, wherein said storage tank are opening storage tank (26), and some flexible static conducting devices (4) are mounted on the jar of the radially float beam (10) of floating plate device and opening storage tank (26) at the end; On top board (3), be assembled with heat-insulation layer (W), this heat-insulation layer (W) is assembled in above the top board (3), it is provided with foam layer (21) on top board (3), the top metal coating cloth (22) that is coated with an aluminum titanium alloy again of this foam layer (21), this metal coating cloth (22) is to be the outside face that the sealing shape is assembled in foam layer (21), constitutes a leak free shell; Can add aluminium sheet formation additional strengthening in the part in the shell of sealing, again at the bonding layer of metal plated film of surface of aluminum plate cloth (22).

Aforesaid petroleum storage tank floating plate device, the inside of wherein said grommet type seals (1) are assembled with the elastic element (8) of reinforcement or are equipped with elastic element (24) at the upper surface of grommet type seals (1); Below floating plate device (H), be evenly equipped with the some supports (5) that support floating plate device (H); Top board (3) is provided with the pilot hole (13) that passes for guide piece (2); The guide piece of this floating plate device (2) structure is for being provided with steel rope or rigid supports such as aluminum pipe, stainless steel tube, it is connected between the top and bottom of storage tank, is connected with flexible static conducting device (4) at the top board (3) of floating plate device and the tank deck or the jar of storage tank at the end.

The utility model compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, it is compared with Chinese patent 90222442.5, has the following advantages:

One, the width of cloth in traditional floating plate is penetrated shape dress skeleton, be to be processed into i-steel component with steel plate, the employing fastener is combined into, its function singleness, a that is only skeleton supporting role in the floating plate device, self can not swim in liquid surface, must assemble separately in the floating plate device and be fixed with tens float parts; And the utility model is because of having adopted this up-to-date technology of umbrella floatage-type skeleton H of new structure in the floating plate device, therefore possessed two kinds of functions, the one, in the floating plate device, play skeleton function, the 2nd, self can swim on the liquid surface, thereby they can be with the floater of foam parts cancel alls of 60 of stack-mounteds in traditional floating plate device band metal gauze, and its result further simplifies the structure of floating plate device, is convenient to assembling, alleviate the weight of floating plate, reduced tooling cost.

Two, because the umbrella floatage-type skeleton H of floating plate device is to adopt aluminum alloy materials processing, it is penetrated the shape skeleton and compares be processed into the width of cloth that i-shape component constitutes by steel plate, has advantage in light weight, not corrosion.

Three, the floater of foam of traditional band metal gauze in use exists ageing of plastics, the service life electrostatic potential height short, that produce with the pasta contact friction and the defective of electrostatic conductive performance difference; And the utility model is because the shell of the radially float beam in the umbrella floatage-type skeleton is to adopt hollow aluminium-alloy pipe section bar processing to constitute, overcome the defective that the floater of foam of band metal gauze exists, had that electrostatic potential in use aging, contact generation with pasta is lower, electrostatic conductive performance is good and the advantage of long service life.

Four, because in the hollow cavity position of float beam radially, be filled with the foamed plastic of hole-closing structure, be equipped with the effect of sealing arrangement again, can guarantee that the liquid that can not in the storage tank immerses the radially inner structure of float beam, accomplish that in use the floating plate device sinks never.

Five, because the radially float beam in the umbrella floatage-type skeleton is axis with storage tank is that the center of circle is equidistant placement, skeleton in the similar umbrella, by some radially the float beam liquid level in the storage tank is divided into several equal-sized fan-shaped liquid levels, simultaneously between top board and liquid level, also form the plurality of sector air chamber, so the floating plate device has good stability under the effect of fan-shaped liquid level and fan-shaped air chamber.

Six, be provided with heat-insulation layer in the floating plate device, because the foamed plastic in this heat-insulation layer has lower coefficient of thermal conductivity, and shell is made of the metal coating cloth of aluminum titanium alloy, has the function that well flashes back the sunlight, therefore can reduce the temperature of pasta in the storage tank, the evaporation loss of minimizing fluid effectively, thereby more improve the result of use of floating plate device.

Seven, adopt the sectional construction of aluminium sheet and two kinds of materials of metal coating cloth in top board, the top board of making than whole employing aluminium sheets has lightweight advantage.

In sum, the utlity model has simple in structure, in light weight, dependable performance and have the effect of preferable electrostatic conductive performance, and can prevent or reduce the evaporation loss of petroleum products, energy savings, reduce environmental pollution, thereby be suitable for practicality more, the transportation that can be widely used in the petrochemical industry oil stores, and really is a progressive design; The utility model is not seen again has identical or approximate product to be disclosed in the city, really is one to have the new design of novelty, creativeness and practicality.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Fig. 1 is the structural representation of the utility model first embodiment.

Fig. 2 is that the A of Fig. 1 is to view.

Fig. 3 is the radially structural representation of float beam first embodiment of the utility model.

Fig. 4 is an I-I cutaway view among Fig. 3.

Fig. 5 is an II-II cutaway view among Fig. 3.

Fig. 6 is the radially structural representation of float beam second embodiment of the utility model.

Fig. 7 is an III-III cutaway view among Fig. 6.

Fig. 8 is the radially structural representation of float beam the 3rd embodiment of the utility model.

Fig. 9 is an I-I cutaway view among Fig. 8.

Figure 10 is the radially structural representation of float beam the 4th embodiment of the utility model.

Figure 11 is an I-I cutaway view among Figure 10.

Figure 12 to Figure 18 is the cross sectional shape structural representation of float beam radially among Figure 10.

Figure 19 is the structure schematic top plan view of top board first embodiment of the present utility model.

Figure 20 is the structure schematic top plan view of top board second embodiment of the present utility model.

Figure 21 is the structural representation of the utility model second embodiment.

Figure 22 is the structural representation of grommet type seals embodiment of the present utility model.

Below in conjunction with accompanying drawing and preferred embodiment,, be described in detail as follows concrete structure of the present utility model, feature and effect thereof.

See also Fig. 1, shown in Figure 2, the utility model petroleum storage tank floating plate device mainly is made up of parts such as grommet type seals 1, top board 3 and umbrella floatage-type skeleton H, and wherein grommet type seals 1 is made by oil proof rubber, is arranged in the upper outer circumference of top board 3; Top board 3 is a disc of being made by aluminium sheet, its be installed in umbrella floatage-type skeleton H above; Umbrella floatage-type skeleton H be located at top board 3 below, it is provided with some radially float beams 10, this radially float beam 10 be that the center of circle equidistantly is provided with the axis of storage tank 7, its center is a center connecting plate 11, the outside is a string beam 9, adjacent two radially are provided with in the middle of the float beam 10 in the middle of support rings 12, adopt fastener or rivet welding structure with string beam 9, middle support ring 12, center connecting plate 11 and float beam 10 affixed umbrella floatage-type skeleton H integral structures that are combined into radially.Be provided with top board 3 on umbrella floatage-type skeleton H top, be provided with grommet type seals 1 in top board 3 upper outer circumference.This grommet type seals 1 is made for oil proof rubber, and it is whole integrative-structure or divides body structure, can adopt integral body or segmented mode to assemble shaping.For obtaining better elastic, the utility model also is assembled with elastic element 8 in the inside of grommet type seals 1.Below floating plate device H, be evenly equipped with some supports 5, be used to support floating plate device H, make the jar of floating plate device H and storage tank 7 keep certain mounting distance at the end.Top board 3 is provided with the pilot hole 13 that passes for guide piece 2.The guide piece 2 of this floating plate device, its structure are for being provided with steel rope or rigid support, and for example aluminum pipe, stainless steel tube etc. are connected between the top and bottom of storage tank 7, are connected with flexible static conducting device 4 between the tank deck of the top board 3 of floating plate and storage tank 7.

Combination by said structure, when the liquid level 6 of storage tank 7 inner fluids rises to when contacting with the umbrella floatage-type skeleton H of floating plate, radially float beam 10 among the umbrella floatage-type skeleton H just is immersed in the liquid, and produce a buoyancy Q, buoyancy Q equals the weight that float beam 10 radially arranges liquid, because the effect of buoyancy Q makes floating plate device H move along with the lifting of liquid level 6, again since liquid level 6 blocked by pre-plate 3 and grommet type seals 1, thereby avoid or reduced the evaporation loss of liquid level 6.

It can be designed to multiple different structure radially float beam of the present utility model 10.See also Fig. 3 to shown in Figure 5, the radially float beam 10 among the umbrella floatage-type skeleton H of the present utility model, the structure of embodiment one is made up of aluminium-alloy pipe section bar f, foamed plastic 15 and the sealing arrangement S of hollow shape; Wherein, aluminium-alloy pipe section bar f is the hollow cavity shape, present embodiment is rectangle list chamber, seal group is provided with foamed plastic 15 in the hollow cavity, the two ends of this foamed plastic 15 are assembled with sealing arrangement S, and sealing device S is made up of sealing resin glue 17 and outer seal 16, outer seal 16 and float beam 10 affixed being integral radially, its inboard is to be folded with foamed plastic 15 between sealing resin glue 17, the two sealing resin glue 17; Be equipped with hole for injecting glue 14 on two outer seals 16, sealing resin glue 17 can be by in the space between hole for injecting glue 14 injecting plastics 15 and the outer seal 16.Foamed plastic 15 is a hole-closing structure, that is foamed plastic 15 is when contacting with liquid phase, and the weight of foamed plastic 15 itself do not change, and can prevent that outside liquid from immersing its inside by actv., and have good oil resistance.Foamed plastic 15 can be directly at the hollow cavity position of aluminium-alloy pipe section bar f foaming, also can utilize the particular manufacturing craft compression molding after, again foamed plastic 15 is assembled in the hollow cavity of aluminium-alloy pipe section bar f and is combined into integral body; Cooperate with the hollow position of aluminium-alloy pipe section bar f when the gap occurring as foamed plastic 15, can in this gap, fill sealing resin glue 17 by hole for injecting glue 14.

Radially float beam 10 two ends and the overarm 9 and the draw bail of center connecting plate 11, can be designed to different version by the assembling requirement, as shown in Figure 3, the utility model is the structure of float beam first embodiment radially, for assemble the pipe link e that is installed with Jiong shape respectively at the two ends of aluminium-alloy pipe section bar f.

See also Fig. 6, shown in Figure 7, second embodiment for radially float beam 10 of the present utility model, its structure and embodiment one structure are basic identical, with embodiment one structure different difference be, radially float beam 10 among this umbrella floatage-type skeleton H is for being provided with the structure of closed cavity 19 and different sealing device, its shell is that the aluminium-alloy pipe section bar f by hollow shape makes, two ends are provided with sealing arrangement M, sealing device M is by outer seal 16, sealing resin glue 17 and interior capping 18 constitute, form sealed cavity 19 between the two sealing arrangement M, two outer seals 16, the interior solid welding of cavity that interior capping 18 is embedded in aluminium alloy extrusions f is an one, be provided with sealing resin glue 17 between outer seal 16 and the interior capping 18, sealing resin glue 17 for example adopts materials such as epoxide-resin glue for to have good oil resistance.Two outer seals 16 and interior capping 18 are made by metallic material.It is to be noted that especially the structure of sealing device M and material are suitable for equally in the structure that is installed in the embodiment one of float beam 10 (promptly shown in Figure 3) radially, this repeats no more.

See also Fig. 8, shown in Figure 9, the 3rd embodiment for the novel radially float of this reality beam 10, the structure of its structure and embodiment one (as shown in Figure 3) is basic identical, different differences be after foamed plastic 15 is assembled into the hollow position of aluminium alloy extrusions f, assembled seal S no longer, but assemble layer of metal plate or metallic membrane 20 in the both ends of the surface of foamed plastic 15, its effect is by metal sheet or metallic membrane 20 liquid in the storage tank 7 and foamed plastic 15 both ends of the surface to be kept apart, produce higher rest potential to avoid foamed plastic 15 both ends of the surface and liquid phase contact friction, metal sheet or metallic membrane 20 itself also have electrostatic conductive performance simultaneously.

See also Figure 10, shown in Figure 11, the 4th embodiment for the novel radially float of this reality beam 10, the structure of its structure and embodiment one (as shown in Figure 3), embodiment three (as shown in Figure 8) is basic identical, different differences be the two ends assembled seal S neither of foamed plastic 15, also not assembling metal plate or metallic membrane 20, that is, the radially float beam 10 among the umbrella floatage-type skeleton H of the present utility model, its structure is made up of the aluminium-alloy pipe section bar f and the foamed plastic 15 of hollow shape; Wherein, aluminium-alloy pipe section bar f is a hollow cavity, present embodiment is rectangle list chamber, seal group is provided with foamed plastic 15 in the hollow cavity, foamed plastic 15 is a hole-closing structure, that is foamed plastic 15 is when contacting with liquid phase, and the weight of foamed plastic 15 itself do not change, and can prevent that outside liquid from immersing its inside by actv..Foamed plastic 15 machine-shaping of can directly in the hollow cavity of aluminium-alloy pipe section bar f, foaming, also can utilize the particular manufacturing craft compression molding after, again foamed plastic 15 is assembled in the hollow cavity of aluminium-alloy pipe section bar f and is combined into integral body.

See also Figure 12 to shown in Figure 180, radially float beam 10 of the present utility model can be designed to multiple cross sectional shape, and wherein, Figure 12 is square or rectangular cross sectional shape; Figure 13 is provided with the square of wing N or the cross sectional shape of rectangle; Figure 14 is the cross sectional shape that has the square-outside and round-inside of wing N; Figure 15 is the circular section shape that has wing N; Figure 16 is a circular section shape; Figure 17 is square or the rectangular cross sectional shape that is combined into by flute profile aluminium alloy extrusions J, and it can adopt welding or fastener bonded assembly structure; Figure 18 has square or the rectangular cross sectional shape that the flute profile aluminium alloy extrusions J of flank N is combined into.Be provided with the cross sectional shape of wing N in the said structure, its advantage is the combination of being convenient to radially between the float beam 10 and top board 3 and middle support ring 12 that is connected, and can further increase its intensity.

See also Fig. 1, shown in Figure 19, be top board first embodiment of the present utility model, this top board 3 is by some blocks of aluminium sheets 25, and is in aggregates by rivet welding or fastener bonded assembly textural association, at the seam of adjacent two blocks of aluminium sheets 25, also can adopt to be provided with oil resistant adhesive tape or sealant sealing.According to the requirement of different user, can give in the relevant position of top board 3 and reserve metered fuel orifice, thief hole and pilot hole 13 etc., simultaneously also can be according to the fire-fighting requirement, group is provided with the fire-fighting foams back-up ring on top board 3.

Further, this top board 3 also can by some blocks of aluminium sheets by the combination of rivet welding or fastener connection structure in aggregates after, be provided with the metal coating cloth of layer of aluminum titanium alloy again in the surface adhesion of aluminium sheet 25, the stack-mounted mode generally is to adopt the technique for sticking structure, this kind top board structure is particularly useful for being assembled in the external floating roof tank, this is because aluminum titanium alloy metal coating cloth has the good function that flashes back the sunlight, so can reduce the temperature of liquid level effectively, reduces the evaporation loss of fluid.

See also shown in Figure 20, be top board second embodiment of the present utility model, this top board 3 is made up of some aluminium alloy plate K and some metallic membrane cloth D, to positions such as the metered fuel orifice on the top board 3, thief hole, pilot hole 13 and hand-holes, enough strength and stiffness requirements should be arranged, therefore these positions all adopt aluminium alloy plate K combined, then adopt metallic membrane cloth D combined for other position on the top board 3, and the purpose that adopts metallic membrane cloth D is to reduce the weight and the manufacturing cost of floating plate device.This metallic membrane cloth D is a kind of fiber cloth with sufficient intensity and oil resistance, and at its tow sides plating or bonding layer of aluminum film or aluminium/titanium alloy film, formation has electric conductivity and sir-tight metallic membrane cloth.Therefore, adopt the structure of metallic membrane cloth D, can reduce the weight and the manufacturing cost of floating plate device effectively.

See also shown in Figure 21, be the utility model second embodiment, it is for being assembled in the floating plate device structure of opening storage tank 26, its structure is most of identical with Fig. 1, embodiment illustrated in fig. 2 one structure, so repeat no more, the structure difference of itself and embodiment one mainly is, at the radially float beam 10 that some flexible static conducting devices 4 are mounted on the floating plate device and jar end of opening storage tank 26, for the ease of workman maintenance, be assembled with movable ladder 23 at the madial wall of opening tank top; On top board 3, be assembled with heat-insulation layer W, this heat-insulation layer W is assembled in above the top board 3, it is provided with foam layer 21 on top board 3, the top metal coating cloth 22 that is coated with an aluminum titanium alloy again of this foam layer 21, this metal coating cloth 22 is to be the outside face that the sealing shape is assembled in foam layer 21, constitutes a leak free shell.The performance of foam layer 21 is identical with foamed plastic 15, and in when assembling,, can the part add aluminium sheet and form additional strengthening for the position that has certain requirements of local strength in the shell of sealing, and then at the bonding layer of metal plated film of surface of aluminum plate cloth 22.Simultaneously, be installed in the floating plate device in the opening storage tank 24,, flexible draining folding pipe should be set also according to traditional practice.

See also shown in Figure 20ly, in aforementioned each embodiment, wherein the upper surface of grommet type seals 1 can be equipped with elastic element 24, to strengthen the intensity of grommet type seals 1 and whole floating plate device.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is imposed any restrictions, every foundation technical spirit of the present utility model changes any simple modification, change and the equivalent structure that above embodiment did, and all still belongs in the scope of technical solutions of the utility model.

Claims

1. petroleum storage tank floating plate device is characterized in that it mainly is made up of grommet type seals (1), top board (3) and umbrella floatage-type skeleton parts such as (H), wherein,

Grommet type seals (1) is made by oil proof rubber, is arranged in the upper outer circumference of top board (3);

Top board (3) is a disc, make by aluminium sheet, its be installed in umbrella floatage-type skeleton (H) above;

Umbrella floatage-type skeleton (H) is by some radially float beam (10), string beam (9) and center connecting plates (11), connects in aggregates with rivet welding or fastener; This radially float beam (10) be that the center of circle equidistantly is provided with the axis of storage tank (7), its shell is the closed structure that hollow shape aluminium-alloy pipe section bar (f) is made.

2. petroleum storage tank floating plate device according to claim 1, it is characterized in that radially float beam (10) in the wherein said umbrella floatage-type skeleton (H) is the aluminium-alloy pipe section bar (f) by hollow shape, foamed plastic (15) and sealing arrangement (S) are formed, it is the hollow cavity position that described foamed plastic (15) seal group is contained in aluminium-alloy pipe section bar (f), this foamed plastic (15) is a hole-closing structure, its two ends are assembled with sealing arrangement (S), sealing device (S) is made up of sealing resin glue (17) and outer seal (16), outer seal (16) and affixed being integral of float beam (10) radially, its inboard is sealing resin glue (17), be folded with foamed plastic (15) between the two sealing resin glue (17), be equipped with hole for injecting glue (14) above two outer seals (16).

3. petroleum storage tank floating plate device according to claim 1, it is characterized in that the radially float beam (10) in the wherein said umbrella floatage-type skeleton (H) is the structure that is provided with closed cavity (19) and sealing arrangement (M), its shell is to be made by the aluminium-alloy pipe section bar (f) of hollow shape, two ends are provided with sealing arrangement (M), sealing device (M) is by outer seal (16), sealing resin glue (17) and interior capping (18) constitute, form sealed cavity (19) between two sealing arrangements (M), two outer seals (16), the interior solid welding of cavity that interior capping (18) is embedded in aluminium alloy extrusions (f) is an one, be provided with sealing resin glue (17) between outer seal (16) and the interior capping (18), be equipped with hole for injecting glue (14) above two outer seals (16).

4. petroleum storage tank floating plate device according to claim 1, it is characterized in that radially float beam (10) in the wherein said umbrella floatage-type skeleton (H) is the aluminium-alloy pipe section bar (f) by hollow shape, foamed plastic (15) and sealing arrangement (M) are formed, the two ends that are described foamed plastic (15) are assembled with sealing arrangement (M), sealing device (M) is by outer seal (16), sealing resin glue (17) and interior capping (18) constitute, form sealed cavity (19) between two sealing arrangements (M), two outer seals (16), the interior solid welding of cavity that interior capping (18) is embedded in aluminium alloy extrusions (f) is an one, be equipped with hole for injecting glue (14) above two outer seals (16), be provided with sealing resin glue (17) between outer seal (16) and the interior capping (18).

5. petroleum storage tank floating plate device according to claim 1, it is characterized in that the radially float beam (10) in the wherein said umbrella floatage-type skeleton (H) is made up of aluminium-alloy pipe section bar (f), foamed plastic (15) and the sealing arrangement (S) of hollow shape, assemble respectively at the two ends of aluminium-alloy pipe section bar (f) and be installed with pipe link (e).

6. petroleum storage tank floating plate device according to claim 1, after it is characterized in that wherein said radially float beam (10) is assembled into the hollow position of aluminium alloy extrusions (f) with foamed plastic (15), at the both ends of the surface assembling layer of metal plate or the metallic membrane (20) of foamed plastic (15).

7. petroleum storage tank floating plate device according to claim 1, it can be designed to square or rectangular cross sectional shape to it is characterized in that wherein said radially float beam (10), be provided with the square of the wing (N) or the cross sectional shape of rectangle, the cross sectional shape that has the square-outside and round-inside of the wing (N), the circular section shape that has the wing (N), circular section shape, the shape in multiple cross sections such as square that is combined into welding or fastener the connection structure square or the rectangular cross sectional shape that are combined into or the flute profile aluminium alloy extrusions (J) that has flank (N) by flute profile aluminium alloy extrusions (J) or rectangular cross sectional shape.

8. petroleum storage tank floating plate device according to claim 1, it is characterized in that wherein said top board (3) is in aggregates with rivet welding or fastener bonded assembly textural association by some blocks of aluminium sheets (25), can adopt at the seam of adjacent two blocks of aluminium sheets (25) to be provided with the oil resistant adhesive tape or sealant is sealed to one, also can on top board (3), group be provided with the fire-fighting foams back-up ring; Or described top board (3) by some blocks of aluminium sheets by the combination of rivet welding or fastener connection structure in aggregates after, be provided with the metal coating cloth of layer of aluminum titanium alloy again in the surface adhesion of aluminium sheet (25); Or described top board (3) is made up of some aluminium alloy plates (K) and some metallic membrane cloth (D), all adopt aluminium alloy plate (K) combined to the position that sufficient intensity and rigidity requirement are arranged on the top board (3), then adopt metallic membrane cloth (D) combined for other position on the top board (3), this metallic membrane cloth (D) is a kind of fiber cloth with sufficient intensity and oil resistance, plate or be bonded with layer of aluminum film or aluminium/titanium alloy film at its tow sides, formation has electric conductivity and sir-tight metallic membrane cloth.

9. petroleum storage tank floating plate device according to claim 1, it is characterized in that wherein said storage tank is opening storage tank (26), some flexible static conducting devices (4) are mounted on the jar of the radially float beam (10) of floating plate device and opening storage tank (26) at the end; On top board (3), be assembled with heat-insulation layer (W), this heat-insulation layer (W) is assembled in above the top board (3), it is provided with foam layer (21) on top board (3), the top metal coating cloth (22) that is coated with an aluminum titanium alloy again of this foam layer (21), this metal coating cloth (22) is to be the outside face that the sealing shape is assembled in foam layer (21), constitutes a leak free shell; Can add aluminium sheet formation additional strengthening in the part in the shell of sealing, again at the bonding layer of metal plated film of surface of aluminum plate cloth (22).

10. according to the described petroleum storage tank floating plate of arbitrary claim device in the claim 1 to 9, the inside that it is characterized in that wherein said grommet type seals (1) is assembled with the elastic element (8) of reinforcement or is equipped with elastic element (24) at the upper surface of grommet type seals (1); Below floating plate device (H), be evenly equipped with the some supports (5) that support floating plate device (H); Top board (3) is provided with the pilot hole (13) that passes for guide piece (2); The guide piece of this floating plate device (2) structure is for being provided with steel rope or rigid supports such as aluminum pipe, stainless steel tube, it is connected between the top and bottom of storage tank, is connected with flexible static conducting device (4) at the top board (3) of floating plate device and the tank deck or the jar of storage tank at the end.