CN114234751B - Honeycomb structure flexible explosion-proof tank and preparation method of composite explosion-proof structure - Google Patents

Honeycomb structure flexible explosion-proof tank and preparation method of composite explosion-proof structure Download PDF

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Publication number
CN114234751B
CN114234751B CN202111341639.2A CN202111341639A CN114234751B CN 114234751 B CN114234751 B CN 114234751B CN 202111341639 A CN202111341639 A CN 202111341639A CN 114234751 B CN114234751 B CN 114234751B
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explosion
proof
flexible
composite
unit
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CN114234751A (en
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王恩
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Sanmenxia Tiankang Compete Set Equipment Co ltd
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Sanmenxia Tiankang Compete Set Equipment Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D5/00—Safety arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0036—Heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/024—Woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B39/00—Packaging or storage of ammunition or explosive charges; Safety features thereof; Cartridge belts or bags
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B39/00—Packaging or storage of ammunition or explosive charges; Safety features thereof; Cartridge belts or bags
    • F42B39/14—Explosion or fire protection arrangements on packages or ammunition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D5/00—Safety arrangements
    • F42D5/04—Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
    • F42D5/045—Detonation-wave absorbing or damping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B2038/0052—Other operations not otherwise provided for
    • B32B2038/0076—Curing, vulcanising, cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B32B2262/0269—Aromatic polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/582—Tearability
    • B32B2307/5825—Tear resistant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2571/00—Protective equipment
    • B32B2571/02—Protective equipment defensive, e.g. armour plates, anti-ballistic clothing

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

The invention discloses a honeycomb structure flexible explosion-proof tank, which comprises a composite explosion-proof structure, wherein the composite explosion-proof structure comprises a first composite explosion-proof unit, a flexible honeycomb structure and an explosion-unloading unit, a flexible honeycomb structure layer is arranged between the first composite explosion-proof unit and the explosion-unloading unit, the first composite explosion-proof unit comprises a first flexible explosion-proof layer and a second flexible explosion-proof layer, and the first flexible explosion-proof layer and the second flexible explosion-proof layer are tightly attached from inside to outside. The invention forms a composite explosion-proof structure by arranging a first explosion-proof structure unit, a flexible honeycomb structure layer, an explosion-unloading structure unit and a second composite explosion-proof unit with different internal and external wave impedances according to the sequence of a flexible phase, an absorption phase, an explosion-unloading layer and a bulletproof material. The first flexible explosion-proof layer on the inner side of the structure is a bulletproof layer, adopts bulletproof materials, mainly absorbs explosion fragments, and resists tearing of the bulletproof materials caused by expansion of shock waves in the explosion-proof tank.

Description

Honeycomb structure flexible explosion-proof tank and preparation method of composite explosion-proof structure
Technical Field
The invention relates to a honeycomb structure flexible explosion-proof tank and a preparation method thereof, belonging to the technical field of explosion prevention.
Background
An explosion-proof tank is a device which can prevent and weaken damage to surrounding personnel or facilities caused by explosion of explosive substances. The explosion-proof tank is mainly used for safely transporting, transferring and temporarily storing explosives, has five types of explosion-proof tanks, such as a box type tank, a barrel type tank, a T type tank, a ball type tank, a portable miniature tank and the like, and is usually provided with a fixed type portable part and a movable type portable part, and can also be assembled with a tractor for collecting the field explosives; the explosives mainly originate from war residue explosion remnants and terrorist attack explosion crime explosives, once the explosives explode, the power of the explosives can greatly damage the site, and the shock waves generated by the explosion, explosion splashes and the like can greatly kill and destroy the surrounding of the explosion. Whether the explosives come from different channels, the device and the method for conveniently, efficiently and safely disposing the explosives become important hidden dangers seriously threatening the public safety of the global society, and are one of important research tasks to be solved in the public safety of the global society.
Before that, the explosion-proof tanks are all processed by high-strength metal materials, so that most of impact waves and splashes of explosion fragments are reflected when the impedance explosive explodes, and Chinese patents ZL201320048175.0, ZL201120226519.3 and ZL201310035735.3 respectively disclose explosion-proof tanks with different purposes; The CN202022928958.0, CN202020963497.8 and CN202022918455.5 also respectively disclose explosion-proof tanks with different performances and different purposes, the rigid explosion-proof structures mainly aim at strong shock waves generated by explosion, reflect most of the shock waves by utilizing high wave impedance of the rigid explosion-proof structures, disperse and transfer explosion energy, have the defects of high self-weight and poor maneuverability while having strong protection capability, and can generate secondary damage when being taken as a broken piece, so that the device for treating simple explosives gradually presents light weight and does not generate secondary damage, and become a development trend for replacing the traditional explosion-proof tank. The Chinese patent CN202110643589.7 discloses a honeycomb type explosion-proof tank, which comprises a bottom plate, a first cylindrical barrel wall, a second cylindrical barrel wall, a third cylindrical barrel wall, a net bag and a through hole, wherein the bottom plate is a round bulletproof steel plate with the diameter of 1.4m and the thickness of 1cm, the first cylindrical barrel wall is welded on the bottom plate, the second cylindrical barrel wall is arranged in the first cylindrical barrel wall, the third cylindrical barrel wall is arranged in the second cylindrical barrel wall, the first cylindrical barrel wall, the second cylindrical barrel wall and the second cylindrical barrel wall are welded on the bottom plate, the top end of the third cylindrical barrel wall is of an open type roof-free design, the net bag is arranged in the third cylindrical barrel wall, and the edge of the net bag is hung on a hook on the edge of the top barrel wall of the third cylindrical barrel wall and is used for placing explosives in the middle of the tank body; The university Huang Anyan of Beijing discloses a hollow annular flexible explosion-proof tank structure and a design method (202010996794.7) thereof, which deeply understand and comprehensively analyze the joint action rule of internal explosion shock waves and fragments of the hollow annular flexible explosion-proof structure, and further provides the design process and the design result of the explosion-proof structure based on the explosion-proof mechanism of the explosion-proof structure, wherein the design process not only considers the joint action effect, but also grasps the main control factors of each parameter; meanwhile, the invention also discloses a polyurethane/liquid-based composite explosion-proof structure and a preparation method (202010456600.4) thereof, wherein the composite explosion-proof structure comprises more than one group of composite explosion-proof units which are sequentially laminated, each composite explosion-proof unit comprises a liquid-filled polyurethane layer and a liquid layer, and the liquid-filled polyurethane layer and the liquid layer in the formed composite explosion-proof structure are arranged at intervals; When in use, the layer closest to the explosive is a liquid-filled polyurethane layer of the composite explosion-proof structure, the composite explosion-proof structure has strong explosion-proof capability and small structure weight, secondary side injury is not generated, and the preparation method has high preparation efficiency. Among the above technologies, the former is of metal structure, has excellent explosion-proof effect, but has large volume and heavy weight, and is heavy; the explosion-proof tank is made of high polymer materials and has a hollow annular flexible structure, so that the damage effect of shock waves is obviously weakened after the explosion of the explosive, a certain explosion-proof capacity is achieved, and all explosion-proof tank bodies become fragments to splash around explosion points during the explosion.
The invention is characterized in that, aiming at the technical problems, the invention is characterized in that: in terms of explosion prevention concept, after the explosive placed in the explosion-proof tank explodes, the basic structure of the explosion-proof tank still exists, and fragments are absorbed by the high polymer material without splashing; structurally, the bulletproof high-molecular structural material realizes full flexibility of the structure; the material is combined with the SMC material and the flame-retardant material by using the bulletproof and cut-proof material, so that the complementation of the material performance is realized, and the performance optimization is realized; in the manufacturing process, the super-molecular polyethylene after special treatment is firstly prepared into fibers, then a non-woven fabric with certain density is prepared, glue solution is immersed on the surface of the non-woven fabric, aramid fiber 1414 and aramid fiber 1313 are mixed and woven into plain cloth with certain gram weight and immersed in the glue, the two materials are wound on a mould, then an SMC sheet is wound, after pre-curing at a certain temperature, a polyurethane hard foam agent with high flame retardant performance and high molecular weight is injected on the mould, the mould is cooled and withdrawn, the super-molecular polyethylene non-woven fabric, the aramid fiber cloth and the SMC sheet are continuously wound on the surface of a foaming material, and after curing and shaping, the product appearance material and the explosion-proof tank cover are taken. Compared with the prior art, the method has the advantages that: after the explosive is exploded in the explosion-proof tank, maintaining the basic structure of the explosion-proof tank; in the aspect of performance, the flexibility, no toxicity, safety and environmental protection are realized; the whole structure is simple and practical, the selection of parts, connection and the whole working mode are reasonable, the manufacturing cost is greatly reduced, the use safety is improved, the cost is low, the manufacturing mode and the use mode are convenient and fast, the application is good, and the popularization is convenient.
Disclosure of Invention
The invention aims to provide the honeycomb structure flexible explosion-proof tank and the preparation method of the composite explosion-proof structure, after the explosion in the explosion-proof tank, the basic structure of the explosion-proof tank is maintained, the explosion-proof tank has small weight, no secondary side injury, high preparation efficiency and strong explosion-proof capability, and realizes flexibility, no toxicity, safety, environmental protection and reliability.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a honeycomb structure flexible explosion-proof tank, includes compound explosion-proof structure, compound explosion-proof structure includes first compound explosion-proof unit, flexible honeycomb structure and unloads the explosion unit, flexible honeycomb structure layer sets up between first compound explosion-proof unit and unloads the explosion unit, first compound explosion-proof unit includes first flexible explosion-proof layer and the flexible explosion-proof layer of second, and first flexible explosion-proof layer and the flexible explosion-proof layer of second are hugged closely the setting from inside to outside.
In the flexible explosion-proof tank with the honeycomb structure, the composite explosion-proof structure further comprises a second composite explosion-proof unit, the explosion-unloading unit is arranged between the second composite explosion-proof unit and the flexible honeycomb structure, and the second composite explosion-proof unit comprises a first flexible explosion-proof layer and a second flexible explosion-proof layer which are arranged by sticking inside to outside.
The preparation method of the composite explosion-proof structure comprises the following steps:
Step S01: preparing a first flexible explosion-proof layer material, modifying supermolecule polyethylene fiber into non-woven fabric with the thickness of 0.08-0.2mm and the surface density of 100-160g/m < 2 >, coating PVB glue solution on the surface of the non-woven fabric to prepare non-woven fabric containing 2-10g/m < 2 > PVB glue solution, and drying for later use;
step S02: preparing a second flexible explosion-proof layer material, weaving aramid 1414 and aramid 1313 into plain cloth with the thickness of 1.5-2.5mm and the surface density of 300-400g/m2 after blending, and immersing PVB glue solution to prepare the aramid cloth containing 10-50g/m2PVB glue solution, drying for later use,
Step S03, winding 20-70 layers of first flexible explosion-proof layer materials on the inner mold of the explosion-proof tank as a first flexible explosion-proof layer,
Step S04: winding 3-8 layers of second flexible explosion-proof layer materials on the first flexible explosion-proof layer to be used as a second flexible explosion-proof layer,
Step S05: and curing the first flexible explosion-proof layer material and the second flexible explosion-proof layer material wound on the inner mold of the explosion-proof tank according to the conditions that the curing temperature is 110-145 ℃ and the curing time is 20-50 min.
Step S06: covering a flexible honeycomb structure on the surface of the second flexible explosion-proof layer;
Step S07: winding SMC film with thickness of 1-4mm on the flexible honeycomb structure as explosion unloading unit;
Step S08: and winding 10-80 layers of first flexible explosion-proof layer materials and 2-11 layers of second flexible explosion-proof layer materials on the explosion unloading unit in sequence to obtain the composite explosion-proof structure.
Compared with the prior art, the invention forms the composite explosion-proof structure by arranging the first explosion-proof structure unit, the flexible honeycomb structure layer, the explosion-unloading structure unit and the second composite explosion-proof unit with different internal and external wave impedances according to the sequence of the flexible phase, the absorption phase, the explosion-unloading layer and the bulletproof material. The first flexible explosion-proof layer at the inner side of the structure is a bulletproof layer, adopts bulletproof materials, mainly absorbs explosion fragments, and resists tearing of the bulletproof materials caused by expansion of shock waves in the explosion-proof tank;
The explosion unloading structural unit adopts a dense medium with the ratio of the propagation speed of sparse waves to the propagation speed of shock waves in a porous material being larger than that of the corresponding dense medium, so that the attenuation speed of the shock waves in the polyurethane porous foam is faster than that of the dense medium, and the purpose of reducing the propagation strength of the shock waves is achieved by utilizing the flexible honeycomb structure and the explosion unloading structural unit; the invention solves the threat of side injury to the outside, and the interaction among the first explosion-proof structural unit, the flexible honeycomb structural layer, the explosion-unloading structural unit and the second composite explosion-proof unit can prolong the absorption duration of the shock wave energy and effectively improve the protection efficiency of the explosion-proof tank.
After the explosive is exploded in the explosion-proof tank, the basic structure of the explosion-proof tank can be maintained; the flexibility, the non-toxicity, the safety and the environmental protection of the explosion-proof tank body are realized; the invention has the advantages of simple and practical integral structure, reduced manufacturing cost, high safety, simple manufacturing mode, convenient use and convenient popularization.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a pictorial representation of a flexible honeycomb layer of the present invention (in a folded state in fig. 1 to demonstrate its flexibility).
Reference numerals: 1-flexible honeycomb structure.
The invention is further described below with reference to the drawings and the detailed description.
Detailed Description
In order to enable those skilled in the art to better understand the present invention, the following description is made clearly and completely with reference to the accompanying drawings in the embodiments of the present invention.
Example 1 of the present invention: the utility model provides a honeycomb structure flexible explosion-proof tank, includes compound explosion-proof structure, compound explosion-proof structure includes first compound explosion-proof unit, flexible honeycomb structure 1 and unloads the explosion unit, flexible honeycomb structure layer sets up between first compound explosion-proof unit and unloads the explosion unit, first compound explosion-proof unit includes first flexible explosion-proof layer and the flexible explosion-proof layer of second, and first flexible explosion-proof layer and the flexible explosion-proof layer of second are hugged closely the setting from inside to outside.
Example 2 of the present invention: the utility model provides a honeycomb structure flexible explosion-proof tank, includes compound explosion-proof structure, compound explosion-proof structure includes first compound explosion-proof unit, flexible honeycomb structure 1 and unloads the explosion unit, flexible honeycomb structure layer sets up between first compound explosion-proof unit and unloads the explosion unit, first compound explosion-proof unit includes first flexible explosion-proof layer and the flexible explosion-proof layer of second, and first flexible explosion-proof layer and the flexible explosion-proof layer of second are hugged closely the setting from inside to outside. The composite explosion-proof structure further comprises a second composite explosion-proof unit, the explosion-unloading unit is arranged between the second composite explosion-proof unit and the flexible honeycomb structure, and the second composite explosion-proof unit comprises a first flexible explosion-proof layer and a second flexible explosion-proof layer which are arranged by gluing from inside to outside.
Example 3 of the present invention: the preparation method of the composite explosion-proof structure comprises the following steps:
Step S01: preparing a first flexible explosion-proof layer material, modifying supermolecule polyethylene fibers into non-woven fabrics with the thickness of 0.08mm and the surface density of 100g/m 2, coating PVB glue solution on the surface of the non-woven fabrics to prepare non-woven fabrics containing 2g/m 2 PVB glue solution, and drying for later use;
step S02: preparing a second flexible explosion-proof layer material, weaving aramid 1414 and aramid 1313 into plain cloth with the thickness of 1.5mm and the surface density of 300g/m 2 after blending, and immersing PVB glue solution to prepare the aramid cloth containing 10g/m 2 PVB glue solution, drying for later use,
Step S03, winding 20 layers of first flexible explosion-proof layer materials on the inner mold of the explosion-proof tank as first flexible explosion-proof layers,
Step S04: winding a 3-layer second flexible explosion-proof layer material on the first flexible explosion-proof layer to serve as a second flexible explosion-proof layer,
Step S05: and curing the first flexible explosion-proof layer material and the second flexible explosion-proof layer material wound on the inner mold of the explosion-proof tank according to the conditions that the curing temperature is 110 ℃ and the curing time is 20min.
Step S06: covering a flexible honeycomb structure on the surface of the second flexible explosion-proof layer;
Step S07: winding an SMC film with the thickness of 1mm on a flexible honeycomb structure to serve as an explosion unloading unit;
Step S08: and winding 10 layers of first flexible explosion-proof layer materials and 2 layers of second flexible explosion-proof layer materials on the explosion unloading unit in sequence to obtain the composite explosion-proof structure.
Example 4 of the present invention: the preparation method of the composite explosion-proof structure comprises the following steps:
step S01: preparing a first flexible explosion-proof layer material, modifying supermolecule polyethylene fibers into non-woven fabrics with the thickness of 0.2mm and the surface density of 160g/m 2, coating PVB glue solution on the surface of the non-woven fabrics to prepare non-woven fabrics containing 10g/m 2 PVB glue solution, and drying for later use;
Step S02: preparing a second flexible explosion-proof layer material, weaving aramid 1414 and aramid 1313 into plain cloth with the thickness of 2.5mm and the surface density of 400g/m 2 after blending, and immersing PVB glue solution to prepare the aramid cloth containing 50g/m 2 PVB glue solution, drying for later use,
Step S03, winding 70 layers of first flexible explosion-proof layer materials on the inner mold of the explosion-proof tank as first flexible explosion-proof layers,
Step S04: winding 8 layers of second flexible explosion-proof layer materials on the first flexible explosion-proof layer to serve as a second flexible explosion-proof layer,
Step S05: and curing the first flexible explosion-proof layer material and the second flexible explosion-proof layer material wound on the inner mold of the explosion-proof tank according to the conditions that the curing temperature is 145 ℃ and the curing time is 50min.
Step S06: covering a flexible honeycomb structure on the surface of the second flexible explosion-proof layer;
Step S07: winding an SMC film with the thickness of 4mm on the flexible honeycomb structure to serve as an explosion unloading unit;
step S08: and sequentially winding 80 layers of first flexible explosion-proof layer materials and 11 layers of second flexible explosion-proof layer materials on the explosion unloading unit to obtain the composite explosion-proof structure.
After the explosive is exploded, the basic structure of the explosion-proof tank still exists, and fragments are absorbed by the composite explosion-proof structure, so that no fragments splash; the bulletproof high molecular structure material realizes full flexibility of the structure;
The composite explosion-proof structural material combines the bulletproof and cutting-proof material with the SMC film material and the flame-retardant material, so that the complementation of the material performance is realized, and the performance optimization is realized;
Preparing the super-molecular polyethylene subjected to special treatment into fibers, preparing a non-woven fabric with certain density, dipping glue on the surface of the non-woven fabric, blending the aramid fiber 1414 and the aramid fiber 1313, weaving into plain cloth with certain gram weight, dipping glue, winding the two kinds of plain cloth on an inner sleeve die, winding a flexible honeycomb structure and an SMC (sheet molding compound) film, pre-solidifying at a certain temperature, cooling, backing the die, continuously winding the super-molecular polyethylene non-woven fabric and the aramid fiber cloth on the surface of an explosion unloading unit, and sleeving a cylindrical tank body sleeve bag and a cover after solidification and shaping.

Claims (2)

1. The preparation method of the honeycomb structure flexible explosion-proof tank comprises a composite explosion-proof structure, wherein the composite explosion-proof structure comprises a first composite explosion-proof unit, a flexible honeycomb structure (1) and an explosion-unloading unit, a flexible honeycomb structure layer is arranged between the first composite explosion-proof unit and the explosion-unloading unit, the first composite explosion-proof unit comprises a first flexible explosion-proof layer and a second flexible explosion-proof layer, and the first flexible explosion-proof layer and the second flexible explosion-proof layer are tightly attached from inside to outside; the method is characterized by comprising the following steps of:
Step S01: preparing a first flexible explosion-proof layer material, modifying supermolecule polyethylene fiber into non-woven fabric with the thickness of 0.08-0.2mm and the surface density of 100-160g/m 2, coating PVB glue solution on the surface of the non-woven fabric to prepare non-woven fabric containing 2-10g/m 2 PVB glue solution, and drying for later use;
Step S02: preparing a second flexible explosion-proof layer material, weaving aramid 1414 and aramid 1313 into plain cloth with the thickness of 1.5-2.5mm and the surface density of 300-400g/m 2 after blending, and immersing PVB glue solution to prepare the aramid cloth containing 10-50g/m 2 PVB glue solution, drying for later use,
Step S03: winding 20-70 layers of first flexible explosion-proof layer materials on the inner mold of the explosion-proof tank as first flexible explosion-proof layers,
Step S04: winding 3-8 layers of second flexible explosion-proof layer materials on the first flexible explosion-proof layer to be used as a second flexible explosion-proof layer,
Step S05: curing the first flexible explosion-proof layer material and the second flexible explosion-proof layer material wound on the inner mold of the explosion-proof tank according to the conditions that the curing temperature is 110-145 ℃ and the curing time is 20-50 min;
step S06: covering a flexible honeycomb structure on the surface of the second flexible explosion-proof layer;
Step S07: winding SMC film with thickness of 1-4mm on the flexible honeycomb structure as explosion unloading unit;
Step S08: and winding 10-80 layers of first flexible explosion-proof layer materials and 2-11 layers of second flexible explosion-proof layer materials on the explosion unloading unit in sequence to obtain the composite explosion-proof structure.
2. The method for manufacturing a honeycomb structure flexible explosion-proof tank according to claim 1, wherein the composite explosion-proof structure further comprises a second composite explosion-proof unit, the explosion-discharging unit is arranged between the second composite explosion-proof unit and the flexible honeycomb structure, and the second composite explosion-proof unit comprises a first flexible explosion-proof layer and a second flexible explosion-proof layer which are arranged by gluing from inside to outside.
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CN102620611A (en) * 2012-04-17 2012-08-01 西安交通大学 Lightweight opening density gradient sandwich explosion-proof tank device
CN111637808A (en) * 2020-05-29 2020-09-08 湖南艾尔防务技术有限公司 Large-equivalent flexible composite explosion-proof equipment

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GB2506588A (en) * 2012-09-21 2014-04-09 J & S Franklin Ltd Blast containment/weapon shielding system
CN107314725B (en) * 2017-06-23 2020-05-29 北京理工大学 Variable-wall-thickness composite explosion-proof structure
CN108627062B (en) * 2018-04-17 2020-04-14 湖南艾尔防务技术有限公司 Non-contact flexible explosion-proof method and design method of non-contact flexible explosion-proof device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102620611A (en) * 2012-04-17 2012-08-01 西安交通大学 Lightweight opening density gradient sandwich explosion-proof tank device
CN111637808A (en) * 2020-05-29 2020-09-08 湖南艾尔防务技术有限公司 Large-equivalent flexible composite explosion-proof equipment

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