阅读说明：本技术 一种局部加强型玻璃钢储罐及其制造方法 (Locally reinforced glass fiber reinforced plastic storage tank and manufacturing method thereof ) 是由 唐兆锦 葛美珍 于 2021-01-26 设计创作，主要内容包括：本发明揭示了一种局部加强型玻璃钢储罐,由储罐主体及储罐下基座构成储罐结构,储罐主体的铺层结构由内向外至少包括内衬层及结构层；内衬层内周侧下端部分及储罐结构内、储罐下基座的上端面还还覆盖有加强层,加强层的基体为呋喃树脂,加强层的增强材料为玻璃纤维短切原丝毡。本发明充分利用了二氯乙烷密度大且不易溶解的特性,对罐体底部区域进行了针对性的结构补强,不仅最大限度地降低了玻璃钢储罐的设计生产成本,而且也有效降低了施工难度、提升了生产效率。(The invention discloses a local reinforced glass fiber reinforced plastic storage tank, which is characterized in that a storage tank structure is formed by a storage tank main body and a storage tank lower base, and a layer laying structure of the storage tank main body at least comprises an inner lining layer and a structural layer from inside to outside; the lower end part of the inner peripheral side of the lining layer and the upper end surfaces of the inner storage tank structure and the lower storage tank base are also covered with a reinforcing layer, the matrix of the reinforcing layer is furan resin, and the reinforcing material of the reinforcing layer is glass fiber chopped strand mat. The invention fully utilizes the characteristics of high density and difficult dissolution of dichloroethane, and performs targeted structural reinforcement on the bottom area of the tank body, thereby not only reducing the design and production cost of the glass fiber reinforced plastic storage tank to the maximum extent, but also effectively reducing the construction difficulty and improving the production efficiency.)

1. The utility model provides a local strenghthened type glass steel storage tank, constitutes the storage tank structure by base (2) under storage tank main part (1) and the storage tank, its characterized in that: the layer structure of the storage tank main body (1) at least comprises an inner liner layer (11) and a structural layer (12) from inside to outside; the substrate of the inner liner (11) is bisphenol A type unsaturated polyester resin or vinyl unsaturated polyester resin, and the reinforcing material of the inner liner (11) is one or more of a glass fiber surface mat, a glass fiber chopped strand mat and glass fiber roving cloth; the substrate of the structural layer (12) is o-benzene type unsaturated polyester resin or general unsaturated polyester resin, and the reinforcing material of the structural layer (12) is one or more of a glass fiber surface felt and glass fiber roving cloth;

a reinforcing layer (13) is further covered at the lower position of the inner side of the storage tank structure, the reinforcing layer (13) covers the lower end part of the inner peripheral side of the lining layer (11) and the upper end surface of the storage tank lower base (2) in the storage tank structure, and the overall height of the reinforcing layer (13) is at least 400 mm; the base body of the reinforcing layer (13) is furan resin, and the reinforcing material of the reinforcing layer (13) is glass fiber chopped strand mat.

2. The partially reinforced glass fiber reinforced plastic storage tank of claim 1, wherein: the side wall of the storage tank main body (1) is provided with at least one manhole, and the distance between the manhole and the storage tank lower base (2) is at least 650 mm.

3. The partially reinforced glass fiber reinforced plastic storage tank of claim 1, wherein: be provided with at least one low head under the storage tank on base (2), the periphery side of the two hookup location of base (2) still is provided with round structure reinforcement layer (3) under storage tank main part (1) and the storage tank, the whole height of structure reinforcement layer (3) is 120mm at least, the base member of structure reinforcement layer (3), reinforcing material select all with structural layer (12) are the same.

4. The partially reinforced glass fiber reinforced plastic storage tank of claim 3, wherein: and resin mortar is filled in a gap between the structural reinforcing layer (3) and the outer periphery of the storage tank main body (1) and a gap between the reinforcing layer (13) and the inner periphery of the storage tank main body (1).

5. The partially reinforced glass fiber reinforced plastic storage tank of claim 1, wherein: the substrate of the inner liner (11) is vinyl unsaturated polyester resin, and the reinforcing material of the inner liner (11) is a glass fiber surface mat and a glass fiber chopped strand mat; the substrate of the structural layer (12) is o-benzene type unsaturated polyester resin, and the reinforcing materials of the structural layer (12) are glass fiber surface felt and glass fiber roving cloth.

6. The partially reinforced glass fiber reinforced plastic storage tank of claim 1, wherein: the outer peripheral side of the structural layer (12) is further covered with an outer surface layer, the matrix of the outer surface layer is unsaturated polyester resin, and the reinforcing material of the outer surface layer is glass fiber surface felt or glass fiber roving cloth.

7. A manufacturing method of a locally reinforced glass fiber reinforced plastic storage tank is characterized by comprising the following steps:

s1, manufacturing a storage tank inner liner, namely selecting vinyl unsaturated polyester resin as a matrix, a glass fiber surface felt and a glass fiber chopped strand felt as reinforcing materials to manufacture the inner liner (11) of the storage tank main body (1);

s2, manufacturing a storage tank structure layer, namely butting the storage tank main body (1) obtained in the S1 on a machine, forming the structure layer (12) on the periphery of the inner liner layer (11) through winding, selecting o-benzene type unsaturated polyester resin as a substrate, a glass fiber surface felt and glass fiber untwisted coarse gauze as a reinforcing material for the structure layer (12), then unloading the formed storage tank main body (1) and combining the storage tank main body with the storage tank lower base (2), covering resin mortar on the inner side and the outer side of the combination position of the two, arranging a circle of structure reinforcing layer (3) on the periphery of the connection position of the storage tank main body (1) and the storage tank lower base (2), and selecting the substrate and the reinforcing material of the structure reinforcing layer (3) to be the same as those of the structure layer (12).

8, S3, storage tank enhancement layer preparation, right the up end of base (2) is polished under the inner periphery side lower extreme portion of inner liner (11) and the storage tank structure in, the storage tank, and the region of polishing covers the manhole below of storage tank main part (1) lateral wall reaches the low head of base (2) under the storage tank, selects the furan resin as base member, glass fiber chopped strand mat as reinforcing material afterwards, pastes system enhancement layer (13) in polishing the region, finally obtains glass steel storage tank finished product.

Technical Field

The invention relates to a glass fiber reinforced plastic storage tank and a manufacturing method thereof, in particular to a locally reinforced glass fiber reinforced plastic storage tank for containing a hydrochloric acid medium containing dichloroethane and a corresponding manufacturing method thereof, belonging to the field of processing of glass fiber reinforced plastic series equipment.

Background

Glass Fiber Reinforced Plastics (FRP), a scientific name of Fiber Reinforced Plastics, generally refers to Reinforced Plastics which are made of glass Fiber Reinforced unsaturated polyester, epoxy resin and phenolic resin matrix and glass Fiber or its products as reinforcing materials.

Taking a glass fiber reinforced plastic storage tank device which is widely applied in the market as an example, because the glass fiber reinforced plastic storage tank device contains various media and the chemical properties of the media are different, in the design and production process of the glass fiber reinforced plastic storage tank device at the present stage, the medium which is required to be contained in the glass fiber reinforced plastic storage tank and has the strongest corrosiveness is generally taken as a reference object for the selection of the lining resin in the glass fiber reinforced plastic storage tank.

Hydrochloric acid is an acidic medium with strong corrosivity, a trace amount of dichloroethane still exists in the hydrochloric acid under the actual storage environment, and due to the fact that dichloroethane has certain toxicity, furan resin is basically selected as lining resin of the glass fiber reinforced plastic storage tank aiming at the medium at present in consideration of storage safety and corrosion resistance of the storage tank.

Although the furan resin can effectively solve the problem of corrosion resistance of the glass fiber reinforced plastic storage tank, various problems still exist in the prior art of the design of the integrated furan resin in the storage tank. Firstly, the manufacturing cost of the furan resin is high, and the design and production cost of glass fiber reinforced plastic storage tank production enterprises is greatly increased by the integrated furan resin lining; and secondly, the furan resin can emit irritant gas, so that the normal operation of operators can be affected in the process of manually pasting the storage tank, and the construction difficulty of the storage tank is increased.

Therefore, if a brand-new glass fiber reinforced plastic storage tank structure and a manufacturing method thereof can be provided to effectively overcome the technical problems, convenience can be provided for subsequent design and production of various glass fiber reinforced plastic storage tank production enterprises.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a partially reinforced fiber reinforced plastic tank for containing a hydrochloric acid medium containing dichloroethane and a corresponding manufacturing method thereof, which are described in the following.

A local reinforced glass fiber reinforced plastic storage tank is characterized in that a storage tank structure is formed by a storage tank main body and a storage tank lower base, and a layer laying structure of the storage tank main body at least comprises an inner lining layer and a structural layer from inside to outside; the substrate of the inner liner is bisphenol A type unsaturated polyester resin or vinyl unsaturated polyester resin, and the reinforcing material of the inner liner is one or more of a glass fiber surface mat, a glass fiber chopped strand mat and glass fiber roving cloth; the substrate of the structural layer is o-benzene type unsaturated polyester resin or general unsaturated polyester resin, and the reinforcing material of the structural layer is one or more of a glass fiber surface felt and glass fiber roving cloth;

a reinforcing layer is further covered at the lower position of the inner side of the storage tank structure, the reinforcing layer covers the lower end part of the inner peripheral side of the lining layer and the upper end surfaces of the storage tank structure and the storage tank lower base, and the overall height of the reinforcing layer is at least 400 mm; the base body of the reinforcing layer is made of furan resin, and the reinforcing material of the reinforcing layer is glass fiber chopped strand mat.

Preferably, the side wall of the tank body is provided with at least one manhole, and the distance from the manhole to the lower base of the tank is at least 650 mm.

Preferably, be provided with at least one low head under the storage tank on the base, the periphery side of the two hookup location of base under storage tank main part and the storage tank still is provided with round structure strengthening layer, the whole height on structure strengthening layer is 120mm at least, the base member, the reinforcing material selection on structure strengthening layer all with the structural layer is the same.

Preferably, a gap between the structural reinforcing layer and the outer peripheral side of the tank main body and a gap between the reinforcing layer and the inner peripheral side of the tank main body are filled with resin mortar.

Preferably, the substrate of the lining layer is vinyl unsaturated polyester resin, and the reinforcing material of the lining layer is glass fiber surface felt and glass fiber chopped strand felt; the substrate of the structural layer is o-benzene unsaturated polyester resin, and the reinforcing materials of the structural layer are glass fiber surface felt and glass fiber roving cloth.

Preferably, the outer peripheral side of the structural layer is further covered with an outer surface layer, a matrix of the outer surface layer is unsaturated polyester resin, and a reinforcing material of the outer surface layer is a glass fiber surface felt or glass fiber roving cloth.

A manufacturing method of a locally reinforced glass fiber reinforced plastic storage tank comprises the following steps:

s1, manufacturing an inner liner of the storage tank, namely selecting vinyl unsaturated polyester resin as a matrix, a glass fiber surface felt and a glass fiber chopped strand felt as reinforcing materials to manufacture the inner liner of the storage tank main body;

s2, manufacturing a storage tank structure layer, namely butting the storage tank main body obtained in the step S1 to a machine, forming the structure layer on the periphery side of the inner liner layer through winding, selecting o-benzene type unsaturated polyester resin as a base body, a glass fiber surface felt and glass fiber roving cloth as reinforcing materials for the structure layer, then descending the formed storage tank main body, combining the formed storage tank main body and a storage tank lower base, covering resin mortar on the inner side and the outer side of the combination position of the base body and the storage tank lower base, arranging a circle of reinforcing structure layer on the periphery side of the connection position of the storage tank main body and the storage tank lower base, and selecting the base body and the reinforcing materials of the reinforcing structure layer to be the same as those of.

S3, manufacturing a storage tank reinforcing layer, polishing the lower end part of the inner peripheral side of the lining layer and the upper end surface of the lower base of the storage tank in the storage tank structure, covering the lower end cover of the manhole of the side wall of the storage tank main body and the lower end cover of the lower base of the storage tank in a polishing area, selecting furan resin as a base body, using glass fiber chopped strand mat as a reinforcing material, pasting the reinforcing layer in the polishing area, and finally obtaining a glass fiber reinforced plastic storage tank finished product.

Compared with the prior art, the invention has the advantages that:

according to the locally reinforced glass fiber reinforced plastic storage tank, the characteristics of high dichloroethane density and difficulty in dissolution are fully utilized, the bottom area of the tank body is reinforced in a targeted structure, the use amount of furan resin is greatly reduced, the design and production cost of the glass fiber reinforced plastic storage tank is reduced to the maximum extent, the construction difficulty of operators is effectively reduced, and the production efficiency of glass fiber reinforced plastic storage tank production enterprises is improved.

The manufacturing method of the local reinforced glass fiber reinforced plastic storage tank has clear integral manufacturing flow, relatively simple process operation and strong repeatability, is convenient for large-scale popularization and application of various glass fiber reinforced plastic storage tank production enterprises, and has wide application prospect and extremely high use value.

The following detailed description of the embodiments of the present invention is provided in connection with the accompanying drawings to make the technical solutions of the present invention easier to understand and master.

Drawings

Fig. 1 is a schematic sectional view of a partially reinforced glass fiber reinforced plastic tank according to the present invention.

Wherein: 1. a tank main body; 11. an inner liner layer; 12. a structural layer; 13. a reinforcing layer; 2. a storage tank lower base; 3. a structural reinforcement layer.

Detailed Description

The invention provides a local reinforced glass fiber reinforced plastic storage tank for containing a hydrochloric acid medium containing dichloroethane and a corresponding manufacturing method thereof.

The invention discloses a local reinforced glass fiber reinforced plastic storage tank, which is characterized in that a storage tank structure is formed by a storage tank main body 1 and a storage tank lower base 2, and a layer laying structure of the storage tank main body 1 at least comprises an inner liner layer 11 and a structural layer 12 from inside to outside.

The substrate of the inner liner 11 is bisphenol A type unsaturated polyester resin or vinyl unsaturated polyester resin, and the reinforcing material of the inner liner 11 is one or more of a glass fiber surface mat, a glass fiber chopped strand mat and glass fiber roving cloth; the substrate of the structural layer 12 is o-benzene type unsaturated polyester resin or general unsaturated polyester resin, and the reinforcing material of the structural layer 12 is one or more of a glass fiber surface felt and a glass fiber roving cloth.

Further, in this embodiment, the substrate of the inner liner 11 is vinyl unsaturated polyester resin, and the reinforcing material of the inner liner 11 is a glass fiber surface mat and a glass fiber chopped strand mat; the substrate of the structural layer 12 is o-benzene unsaturated polyester resin, the reinforcing material of the structural layer 12 is glass fiber surface felt and glass fiber roving cloth, and the specific thickness, the number of winding turns and the like of the structural layer 12 are determined by actual requirements.

In the invention, a reinforcing layer 13 is further covered at the lower position of the inner side of the storage tank structure, the reinforcing layer 13 covers the lower end part of the inner peripheral side of the lining layer 11 and the upper end surface of the storage tank lower base 2 in the storage tank structure, and the overall height of the reinforcing layer 13 is at least 400 mm; the base body of the reinforcing layer 13 is furan resin, and the reinforcing material of the reinforcing layer 13 is glass fiber chopped strand mat.

The design here is to take into account that dichloroethane is denser than water and hydrochloric acid solution and is insoluble in hydrochloric acid. Under the storage environment, dichloroethane can sink to the tank bottoms, and the dichloroethane medium can not be deposited on the storage tank upper layer, so only need to carry out the anti-inside lining to the part below the glass steel storage tank manhole and strengthen can.

As for the arrangement of manholes, in the present embodiment, the side wall of the tank main body 1 is provided with at least one manhole, and the distance from the manhole to the lower base 2 of the tank is at least 650 mm.

Be provided with at least one low head under the storage tank on the base 2, the periphery side of the two hookup location of base 2 still is provided with round structure reinforcement layer 3 under storage tank main part 1 and the storage tank, the whole height of structure reinforcement layer 3 is 120mm at least, the base member of structure reinforcement layer 3, reinforcing material select all with structural layer 12 is the same.

The gap between the structural reinforcing layer 3 and the outer peripheral side of the tank body 1 and the gap between the reinforcing layer 13 and the inner peripheral side of the tank body 1 are filled with resin mortar.

In consideration of the actual application scenario, the glass fiber reinforced plastic storage tank manufacturing enterprise may further cover an outer surface layer on the outer circumferential side of the structural layer 12, wherein a matrix of the outer surface layer is unsaturated polyester resin, and a reinforcing material of the outer surface layer is a glass fiber surfacing mat or glass fiber roving cloth.

In conclusion, the locally reinforced glass fiber reinforced plastic storage tank disclosed by the invention fully utilizes the characteristics of high density and difficult dissolution of dichloroethane, performs targeted structural reinforcement on the bottom area of the tank body, greatly reduces the use amount of furan resin, not only reduces the design and production cost of the glass fiber reinforced plastic storage tank to the maximum extent, but also ensures that the manual pasting process of the storage tank is more environment-friendly, reduces the construction difficulty of operators and improves the production efficiency of glass fiber reinforced plastic storage tank production enterprises.

The invention also discloses a manufacturing method of the local reinforced glass fiber reinforced plastic storage tank, which comprises the following steps:

s1, manufacturing the inner liner of the storage tank, namely selecting vinyl unsaturated polyester resin as a matrix, a glass fiber surface felt and a glass fiber chopped strand felt as reinforcing materials to manufacture the inner liner 11 of the storage tank main body 1;

s2, manufacturing a storage tank structure layer, namely butting and loading the storage tank main body 1 obtained in the step S1 on a machine, forming the structure layer 12 on the outer peripheral side of the inner liner layer 11 through winding, wherein the structure layer 12 is formed by selecting o-benzene type unsaturated polyester resin as a base body, a glass fiber surface felt and glass fiber untwisted coarse gauze as reinforcing materials, then unloading the formed storage tank main body 1, combining the formed storage tank main body 1 with the storage tank lower base 2, covering resin mortar on the inner side and the outer side of the combination position of the base body and the storage tank lower base 2, arranging a circle of structure reinforcing layer 3 on the outer peripheral side of the connection position of the storage tank main body 1 and the storage tank lower base 2, and selecting the base body and the reinforcing materials of the.

S3, manufacturing a storage tank reinforcing layer, polishing the lower end part of the inner periphery side of the inner liner layer 11 and the upper end surface of the storage tank lower base 2 in the storage tank structure, covering the lower part of a manhole of the side wall of the storage tank main body 1 and the lower end socket of the storage tank lower base 2 in a polishing area, selecting furan resin as a base body, using a glass fiber chopped strand mat as a reinforcing material, pasting the reinforcing layer 13 in the polishing area, and finally obtaining a glass fiber reinforced plastic storage tank finished product.

Corresponding to the hardware structure, the manufacturing method of the local reinforced glass fiber reinforced plastic storage tank has clear integral manufacturing flow, relatively simple process operation and strong repeatability, is more in line with the current development trend of energy conservation and environmental protection, is convenient for large-scale popularization and application of various glass fiber reinforced plastic storage tank production enterprises, and has wide application prospect and extremely high use value.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Finally, it should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should integrate the description, and the technical solutions in the embodiments can be appropriately combined to form other embodiments understood by those skilled in the art.