CN211002809U - Composite material and floating disc of inner floating roof storage tank - Google Patents
Composite material and floating disc of inner floating roof storage tank Download PDFInfo
- Publication number
- CN211002809U CN211002809U CN201921559724.4U CN201921559724U CN211002809U CN 211002809 U CN211002809 U CN 211002809U CN 201921559724 U CN201921559724 U CN 201921559724U CN 211002809 U CN211002809 U CN 211002809U
- Authority
- CN
- China
- Prior art keywords
- glass fiber
- resin
- layer
- reinforced plastic
- fiber reinforced
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model discloses a composite material and a floating disc of an inner floating roof storage tank, wherein the composite material at least comprises a conductive layer, bottom glass fiber reinforced plastic, a middle layer, top glass fiber reinforced plastic and a finish paint layer which are arranged in sequence; the structures of all layers are solidified and bonded through a bonding agent; and the resin of the bottom layer glass fiber reinforced plastic and the resin of the top layer glass fiber reinforced plastic are embedded with alkali-free chopped glass fiber mats. The glass fiber reinforced plastic adopts a spraying process to embed the alkali-free glass fiber mat into the resin, so that the strength of the composite material can be increased, the glass fiber reinforced plastic is isotropic, and the difference of mechanical properties in all directions is small; the glass fiber reinforced plastic can improve the mechanical strength of the inner floating roof, reduce the shrinkage rate during curing, and increase and adjust the thickness of the inner floating roof. And the construction safety is high because the steel can be processed and manufactured on site.
Description
Technical Field
The utility model discloses oil storage tank sealing field, concretely relates to combined material and interior floating roof storage tank floating plate.
Background
The common oil storage tank is mainly a vertical cylindrical tank and can be divided into a fixed vault tank and a floating roof tank according to the structural form of a tank roof. The inner floating roof oil storage tank is formed by additionally arranging a floating roof inside a fixed vault storage tank, the volatilization loss of the floating roof reducing medium along with the oil level up-down is additionally arranged in the tank, liquid and air in the tank are effectively isolated by the inner floating roof, the danger level of fire explosion can be reduced to a certain extent, the external vault can prevent rainwater, snow, dust and the like from entering the tank, and the medium in the tank is guaranteed to be clean. The key of the floating roof oil storage tank sealing technology is floating disc sealing.
In the existing full-liquid-connection floating plate, the full-liquid-connection steel floating plate can be used for an inner floating roof storage tank or an outer floating roof storage tank, but the size of a welded steel plate is larger than that of a manhole, so that the replacement and maintenance are difficult, and the full-liquid-connection steel floating plate is less in application to the inner floating roof tank. The full liquid connection aluminum floating plate is applied to an inner floating roof storage tank and can be divided into a plug-in type floating plate, a splicing type floating plate and the like according to the installation mode. The sealing is particularly important because it is an assembled floating disc. The aluminum has active property, is easy to generate chemical reaction, and has poor corrosion resistance. With the development of science and technology, non-metal inner floating roofs appear, wherein glass fiber reinforced plastic inner floating roof structures are receiving attention in recent years. The integral density of the inner floating roof made of glass fiber reinforced plastics is lower than that of the stored liquid, the inner floating roof is integrally paved on the surface of the liquid level, and the buoyancy of the floating roof and the additional weight can reach 3.5 times of the self gravity. Moreover, the glass fiber reinforced plastic inner floating roof has good conductivity and good chemical corrosion resistance, and makes up for the defect that the aluminum alloy floating roof is not corrosion-resistant. However, the glass fiber reinforced plastic inner floating roof has the disadvantages that the field manufacture is more complicated, and the prefabricated glass fiber reinforced plastic needs to be bonded to form a template.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, an object of the utility model is to provide an interior floating roof storage tank floating plate combined material, the interior floating roof storage tank combined material who utilizes this combined material preparation not only possesses sealing performance good, excellent corrosion resisting property in addition.
It is still another object of the present invention to provide a floating plate for preparing an internal floating roof storage tank.
A floating plate composite material of an inner floating roof storage tank at least comprises a conductive layer, bottom glass fiber reinforced plastic, an intermediate layer, top glass fiber reinforced plastic and a finish paint layer which are sequentially arranged; the structures of all layers are solidified and bonded through a bonding agent; and the resin of the bottom layer glass fiber reinforced plastic and the resin of the top layer glass fiber reinforced plastic are embedded with alkali-free chopped glass fiber mats.
Preferably, the resin is an epoxy vinyl resin.
Preferably, the material of the conductive layer is conductive resin formed by vinyl resin, graphite and a curing agent.
Preferably, a protective layer is further arranged between the conductive layer and the bottom layer of glass fiber reinforced plastic, and the protective layer is obtained by coating a corrosion-resistant material on the surface of the conductive layer; the corrosion-resistant material is one or more of isophthalic acid resin, bisphenol resin and vinyl resin.
Preferably, the resin matrix of the protective layer is embedded with glass fibers.
Preferably, the middle layer is a honeycomb structure with independent closed cabins; the middle layer is made of one or more of polypropylene honeycombs, polyurethane honeycombs and polyvinyl chloride honeycombs.
Preferably, the finishing paint layer is a mixture of graphite, flame-retardant resin and a curing agent; the binder is epoxy vinyl resin.
The floating disc of the inner floating roof storage tank comprises a floating disc main body which can be suspended on the liquid level, wherein the floating disc main body is made of the composite material of the inner floating roof storage tank.
The beneficial effects of the utility model are embodied in:
the floating disc conforming material of the inner floating roof storage tank of the utility model at least comprises a conducting layer, a bottom layer of glass fiber reinforced plastic, a middle layer, a top layer of glass fiber reinforced plastic and a finish paint layer which are arranged in sequence; the glass fiber reinforced plastic adopts a spraying process to embed the alkali-free glass fiber mat into the resin, so that the strength of the composite material can be increased, the glass fiber reinforced plastic is isotropic, and the difference of mechanical properties in all directions is small; the glass fiber reinforced plastic can improve the mechanical strength of the inner floating roof, reduce the shrinkage rate during curing, and increase and adjust the thickness of the inner floating roof. And the construction safety is high because the steel can be processed and manufactured on site.
The middle layer is of a honeycomb structure with an independent closed cabin, is used for resisting shear deformation and increasing the thickness and the inertia modulus of the inner floating roof, and has the characteristics of light weight, heat insulation, heat preservation, high strength and high rigidity; the conducting layer has the function of static prevention and has excellent conducting effect.
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 an inner floating roof sensing floating plate composite material 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.
Fig. 1 shows an inner floating roof tank floating plate according to an embodiment of the present invention. The conductive coating comprises a conductive layer 101, a protective layer 102, a bottom layer of glass fiber reinforced plastic 103, an intermediate layer 104, a top layer of glass fiber reinforced plastic 105 and a finishing paint layer 106 which are arranged in sequence.
The utility model discloses a bond through the binder solidification between each layer structure. The binder may specifically be an epoxy vinyl resin.
The protective layer is formed by resin embedded with glass fiber and has corrosion resistance.
The bottom layer glass fiber reinforced plastic and the top layer glass fiber reinforced plastic are produced by a spraying method, and the working principle is as follows: and spraying the stirred and blended resin solution and the curing agent on the alkali-free glass fiber mat by a high-speed pump, and curing to form the reinforced glass fiber board.
The utility model discloses a floating plate can make in the storage tank, also can prefabricate 2.2m in the mill 2.2m the concatenation unit to the inside preparation of splicing of storage tank. The embodiment of the utility model takes the production in the storage tank as an example.
Making the utility model discloses a during the interior floating roof storage tank floating plate, go on after welding floating plate landing leg, template installation, during the installation template, the template surface should evenly level and smooth, does not have obvious bubble, crackle, defects such as the naked and layering of fibre. The template below the inner floating roof is supported by temporary struts. The construction and manufacture of the inner floating roof are all carried out on the template.
As an implementation of the floating plate of the inner floating roof storage tank of the utility model, the concrete steps of the preparation are as follows:
1. preparation before spraying:
the templates are cleaned, all the butt joints of the templates, all the interfaces and holes between the templates are covered by high-temperature adhesive tapes, and the exposed parts of the templates on the upper edges of the vertical edges and the upper edges of the accessory models are also covered by the adhesive tapes so as to prevent the templates from being damaged due to resin leakage.
Spraying: preparing materials before spraying, wherein the materials needing to be equipped before spraying comprise resin, alkali-free glass fiber felt, a pre-accelerator, an inhibitor, a curing agent and the like.
The utility model discloses the material model that technology used is as follows:
the premixed resin comprises the following components: the phenolic epoxy modified vinyl resin 470 comprises, by weight of the phenolic epoxy modified vinyl resin 470, 0.5% of DMA accelerator and 0.02% of polymerization inhibitor 2, 4-P;
glass felt: a chopped alkali-free glass fiber mat (hereinafter referred to as a glass mat); glass fiber: e glass fiber.
The premixed resin and the curing agent 925H are respectively sprayed out from two outlets of the spray gun and mixed at the outlet of the spray gun to obtain the resin, and the proportion of the resin to the curing agent is 98.3% of the premixed resin and 1.7% of the curing agent.
2. Manufacturing a conductive layer:
the conductive resin is prepared by the following steps: the pre-mixed resin, graphite powder (800 meshes) and curing agent are mixed, wherein the content of the graphite powder is 16 wt% and the content of the curing agent 925H is 2.2 wt% based on the pre-accelerated resin.
On the basis of the template, resin doped with graphite and a curing agent is uniformly coated on the template, the edge of the template is coated, and the thickness of the conductive layer is 0.02-0.06 mm.
3. Coating a protective layer: covering the resin surface of the conductive layer with glass fiber (60 g/m)2) Then, a layer of the resin of this example was uniformly sprayed and flattened.
4. Laying a bottom glass mat and spraying resin: two layers of glass mats (600g/m2) are laid in layers before the protective layer resin is dried, and then the resin is sprayed, so that the resin is fully soaked in the glass mats. The process adequately controls the air between the glass mats to prevent the occurrence of bubbles and delamination. The thickness of the bottom glass rigid layer is 2-2.5 mm. Specifically, the thickness of the glass mat connected with the protective layer in the two layers of glass mats is 2mm, and the thickness of the glass mat layer close to the middle layer is 2.5 mm. The dosage of the glass felt is as follows: 27.5 to 32.5 percent.
5. Installing a polypropylene honeycomb plate: and uniformly spraying a layer of resin on the bottom layer glass fiber reinforced plastic, immediately bonding the polypropylene honeycomb plate to the bottom layer glass fiber reinforced plastic, and applying pressure to the polypropylene honeycomb plate until the resin is solidified and the honeycomb plate is tightly attached to the bottom layer glass fiber reinforced plastic.
6. Paving a top glass mat and spraying composite resin: after the honeycomb plate is tightly attached to the bottom layer of glass fiber reinforced plastic, a layer of resin is uniformly sprayed on the honeycomb plate, and two layers of glass felts (450 g/m) are immediately paved2) Immediately, the glass mat was flattened to allow the resin to fully wet the glass mat. The thickness of the top layer glass fiber reinforced plastic is 2-3.5 mm. Specifically, the thickness of the glass mat near the interlayer was 3.5mm, and the thickness of the glass mat far from the interlayer was 2 mm.
7. Painting a finish paint layer:
firstly, preparing flame-retardant conductive resin:
① 510 flame-retardant resin 99.40% + DMA accelerant 0.58% + inhibitor 2, 4-P0.02% to obtain pre-accelerating resin of the finishing layer;
② mixing pre-accelerating resin of the finish paint layer, graphite (800 meshes) and a curing agent, wherein the weight percentage of the pre-accelerating resin, the graphite and the curing agent is 83.5: 15: 1.5, and obtaining the resin of the finish paint layer;
the epoxy vinyl resin is epoxy bisphenol A vinyl resin dissolved in styrene solution, has obvious chemical corrosion resistance to acid, alkali and salt, has low sensitivity to stress damage, and shows high dynamic load resistance.
The utility model adopts the honeycomb structure made of polypropylene honeycomb plates and glass fiber reinforced plastic materials, which greatly reduces the self weight of the floating plate and improves the flexural modulus of the structure, thereby effectively controlling the deflection of the floating plate in the sandwich structure glass fiber reinforced plastic under the action of dead load; the conductive layer 101 and the finish paint layer 106 both contain graphite powder, so that the antistatic performance of the floating plate is greatly improved, and the finish paint layer is prepared from flame-retardant resin, so that the potential safety hazard of fire can be effectively avoided; the inoxidizing coating utilizes different resins according to the kind of liquid, and corrosion resisting property is excellent, and the inoxidizing coating resin is embedded to have the glass felt, has increased the anticorrosive stem of heart of inoxidizing coating, and glass fiber reinforced plastic material has excellent chemical resistance and ageing resistance to effectively prolong the life of inner floating disc and effectively reduced the maintenance in later stage.
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. The composite material is characterized by at least comprising a conductive layer, bottom glass fiber reinforced plastic, an intermediate layer, top glass fiber reinforced plastic and a finish paint layer which are sequentially arranged; the structures of all layers are solidified and bonded through a bonding agent; and the resin of the bottom layer glass fiber reinforced plastic and the resin of the top layer glass fiber reinforced plastic are embedded with alkali-free chopped glass fiber mats.
2. The composite material of claim 1, wherein the resin is a novolac epoxy modified vinyl resin.
3. The composite material of claim 1, wherein the conductive layer is formed from a vinyl resin, graphite, and a curing agent.
4. The composite material of claim 1, wherein a protective layer is further disposed between the conductive layer and the bottom layer of glass fiber reinforced plastic, wherein the protective layer is obtained by painting a corrosion-resistant material on the surface of the conductive layer; the corrosion-resistant material is one or more of isophthalic acid resin, bisphenol resin and vinyl resin.
5. The composite of claim 4, wherein the protective layer has glass fibers embedded in a resin matrix.
6. The composite of claim 1, wherein the intermediate layer is a honeycomb structure with independent closed cells; the middle layer is made of one or more of polypropylene honeycombs, polyurethane honeycombs and polyvinyl chloride honeycombs.
7. The composite of claim 1, wherein the topcoat layer is a mixture of graphite, a flame retardant resin, and a curing agent.
8. An inner floating roof tank floating plate, comprising a floating plate body capable of suspending on a liquid surface, wherein the floating plate body is made of the composite material according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921559724.4U CN211002809U (en) | 2019-09-19 | 2019-09-19 | Composite material and floating disc of inner floating roof storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921559724.4U CN211002809U (en) | 2019-09-19 | 2019-09-19 | Composite material and floating disc of inner floating roof storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211002809U true CN211002809U (en) | 2020-07-14 |
Family
ID=71499299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921559724.4U Active CN211002809U (en) | 2019-09-19 | 2019-09-19 | Composite material and floating disc of inner floating roof storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211002809U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110498140A (en) * | 2019-09-19 | 2019-11-26 | 河北澳科中意环保科技有限公司 | A kind of composite material and internal floating roof tank floating plate and preparation method thereof |
| CN113306895A (en) * | 2021-06-17 | 2021-08-27 | 中弘致远建设有限公司 | High-strength light anti-static hollow floating disc |
-
2019
- 2019-09-19 CN CN201921559724.4U patent/CN211002809U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110498140A (en) * | 2019-09-19 | 2019-11-26 | 河北澳科中意环保科技有限公司 | A kind of composite material and internal floating roof tank floating plate and preparation method thereof |
| CN113306895A (en) * | 2021-06-17 | 2021-08-27 | 中弘致远建设有限公司 | High-strength light anti-static hollow floating disc |
| CN113306895B (en) * | 2021-06-17 | 2022-03-08 | 中弘致远建设有限公司 | High-strength light anti-static hollow floating disc |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103526886B (en) | A kind of roof boarding | |
| EP3296605B1 (en) | Prefabricated bamboo composite pipe gallery | |
| CN211002809U (en) | Composite material and floating disc of inner floating roof storage tank | |
| CN105042213A (en) | Prefabricated bamboo composite pipe gallery and manufacturing method thereof | |
| CN105459508A (en) | Anti-leakage storage tank and method for improving existing buried single-layer steel oil storage tank | |
| CN103821251A (en) | Interlayer thermal insulating wall and construction method thereof | |
| CN205035932U (en) | Prefabricated aerated concrete assembled heat preservation composite wall | |
| CN105986639A (en) | Composite panel for green building | |
| CN206571036U (en) | A kind of decoration integrated prefabricated sandwich concrete panel | |
| CN1916306A (en) | Outer heat preservation system of composite polyphenylene plate of hard bubble polyurethane for pouring in site, and construction technique | |
| CN103924820B (en) | A kind of installation method of the wet chimney of thermal power plant of fire retardant, anticorrosive glass fibre reinforced plastic structure | |
| CN201614705U (en) | Structure of heat-preservation sound-insulation wall | |
| CN205955027U (en) | 3D fabric foam concrete composite roof heated board | |
| CN207631867U (en) | Fiberglass-reinforced glass storage tank tank body and fiberglass-reinforced glass storage tank | |
| CN110498140A (en) | A kind of composite material and internal floating roof tank floating plate and preparation method thereof | |
| CN214657882U (en) | Building outer wall heat preservation and insulation structure | |
| CN201144496Y (en) | Heat insulation system for exterior wall | |
| CN1804260A (en) | Thermal insulation covering for external wall | |
| CN106284793A (en) | A kind of for assembled roof of transformer substation face and construction method thereof | |
| CN209482519U (en) | A kind of composite insulation wall | |
| CN103758278B (en) | Battenboard | |
| CN114096594A (en) | Floating roof for oil tank, fire-proof coating thereof and manufacturing method thereof | |
| CN201362913Y (en) | Roof water-proof heat-insulating structure | |
| CN203429784U (en) | Lightweight concrete steel reinforced structure | |
| CN217026758U (en) | FRP composite board for sealing and reinforcing hinge joint of bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |