CN114001610B - Trapezoidal high polymer material composite flexible explosion-proof tank and preparation method thereof - Google Patents
Trapezoidal high polymer material composite flexible explosion-proof tank and preparation method thereof Download PDFInfo
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- CN114001610B CN114001610B CN202111238072.6A CN202111238072A CN114001610B CN 114001610 B CN114001610 B CN 114001610B CN 202111238072 A CN202111238072 A CN 202111238072A CN 114001610 B CN114001610 B CN 114001610B
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- 239000002131 composite material Substances 0.000 title claims abstract description 72
- 239000002861 polymer material Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 238000004880 explosion Methods 0.000 claims abstract description 42
- 239000003063 flame retardant Substances 0.000 claims abstract description 40
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- 229920002635 polyurethane Polymers 0.000 claims abstract description 21
- 239000004814 polyurethane Substances 0.000 claims abstract description 21
- 239000006260 foam Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 145
- 238000004804 winding Methods 0.000 claims description 52
- 239000003292 glue Substances 0.000 claims description 49
- 239000004745 nonwoven fabric Substances 0.000 claims description 28
- 239000004744 fabric Substances 0.000 claims description 27
- 239000004760 aramid Substances 0.000 claims description 21
- 229920003235 aromatic polyamide Polymers 0.000 claims description 21
- 239000000243 solution Substances 0.000 claims description 21
- -1 polyethylene Polymers 0.000 claims description 12
- 238000004806 packaging method and process Methods 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 239000003365 glass fiber Substances 0.000 claims description 10
- 238000001746 injection moulding Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 238000003618 dip coating Methods 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 5
- 229910000000 metal hydroxide Inorganic materials 0.000 claims description 5
- 150000004692 metal hydroxides Chemical class 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 239000011574 phosphorus Substances 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000013022 venting Methods 0.000 claims 6
- 239000012467 final product Substances 0.000 claims 1
- 239000002360 explosive Substances 0.000 abstract description 16
- 239000012634 fragment Substances 0.000 abstract description 10
- 239000003677 Sheet moulding compound Substances 0.000 description 25
- 208000027418 Wounds and injury Diseases 0.000 description 24
- 238000001035 drying Methods 0.000 description 8
- 230000035939 shock Effects 0.000 description 8
- 230000006378 damage Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920006231 aramid fiber Polymers 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 231100000956 nontoxicity Toxicity 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a trapezoid high polymer material composite flexible explosion-proof tank and a preparation method thereof, the trapezoid high polymer material composite flexible explosion-proof tank comprises a trapezoid tank body, the trapezoid tank body comprises a first composite explosion-proof unit, an explosion unloading structure layer and a second composite explosion-proof unit, the explosion unloading unit is arranged between the first composite explosion-proof unit and the second composite explosion-proof unit, and the first composite explosion-proof unit and the second composite explosion-proof unit comprise a first explosion-proof layer, a second explosion-proof layer and a third explosion-proof layer which are sequentially arranged from inside to outside; the explosion-unloading structural layer is composed of a cooled halogen-free flame-retardant polyurethane hard foam agent. The explosion-proof tank is light in weight, convenient to move and high in protection capability, and after explosive is exploded in the tank body, all splashed fragments can be bound in the tank body, so that the tank body cannot generate broken pieces to break, and the basic structure of the explosion-proof tank can be maintained.
Description
Technical Field
The invention relates to a trapezoid high polymer material composite flexible explosion-proof tank and a preparation method thereof, and belongs 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; therefore, the device and the method for conveniently, efficiently and safely disposing the explosive are one of important research tasks to be solved in 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 rigid explosion-proof tanks with different purposes; the Chinese patent CN202022928958.0, CN202020963497.8 and CN202022918455.5 also respectively disclose rigid explosion-proof tanks with different performances and different purposes, the rigid explosion-proof structures mainly aim at strong shock waves generated by explosion, and the high-wave impedance of the rigid explosion-proof tanks is utilized to reflect most of the shock waves so as to disperse and transfer the explosion energy, so that the rigid explosion-proof tanks have the defects of high weight, poor maneuverability and inconvenience in movement while having stronger protection capability, and the rigid explosion-proof tanks can be used as fragments to possibly generate secondary fragment damage, so that the treatment device of simple explosives gradually presents lightening and does not generate secondary damage, and the rigid explosion-proof tanks become the development trend of replacing the traditional explosion-proof tanks.
The explosion-proof tank structure comprises a honeycomb type explosion-proof tank disclosed in Chinese patent CN202110643589.7, a hollow annular flexible explosion-proof tank structure disclosed in Chinese patent CN202010996794.7, a design method thereof, and a polyurethane/liquid based composite explosion-proof structure disclosed in Chinese patent 202010456600.4, wherein the explosion-proof tank structure is made of high polymer materials, and the explosion-proof tank with the hollow annular flexible structure obviously weakens the damage effect of shock waves after explosion of the explosive, plays a certain explosion-proof capacity, but all explosion fragments of the explosion-proof tank body can be splashed around an explosion point during explosion.
In view of the above problems, there is a need to develop an explosion-proof tank which is lightweight, convenient to move, free from splashing of fragments, and a method for manufacturing the same.
Disclosure of Invention
In order to overcome and solve the technical problems of the explosion-proof tank, the invention provides the trapezoid polymer material composite flexible explosion-proof tank and the preparation method thereof.
In order to solve the technical problems, the invention adopts the following technical scheme: the trapezoid high polymer material composite flexible explosion-proof tank comprises a trapezoid tank body, wherein the trapezoid tank body comprises a first composite explosion-proof unit, an explosion unloading structure layer and a second composite explosion-proof unit, the explosion unloading structure layer is arranged between the first composite explosion-proof unit and the second composite explosion-proof unit, and the first composite explosion-proof unit and the second composite explosion-proof unit comprise a first explosion-proof layer, a second explosion-proof layer and a third explosion-proof layer which are sequentially arranged from inside to outside; the explosion-unloading structural layer is composed of a cooled halogen-free flame-retardant polyurethane hard foam agent.
In the trapezoid high polymer material composite flexible explosion-proof tank, the first explosion-proof layer comprises a plurality of circles of non-woven fabrics wound on the inner sleeve mold and bonding glue coated on the surface of each circle of non-woven fabrics.
In the trapezoid high polymer material composite flexible explosion-proof tank, the second explosion-proof layer comprises a plurality of rings of aramid cloth wound on the outer surface of the first explosion-proof layer and bonding glue coated on the surface of each ring of plain cloth.
In the trapezoid high polymer material composite flexible explosion-proof tank, the third explosion-proof layer comprises a plurality of circles of SMC films wound on the outer surface of the second explosion-proof layer and bonding glue coated on the surface of each circle of SMC films.
In the trapezoid high polymer material composite flexible explosion-proof tank, the supporting net bag is arranged in the tank body, and the supporting net bag is arranged in the middle of the tank body. The supporting net bag is used for ensuring that unsafe reactions such as explosion and the like can not be caused by the impact of the explosive on the tank body when the explosive is put into the tank body.
The trapezoid high polymer material composite flexible explosion-proof tank also comprises a tank body packaging sleeve and an explosion-proof cover body covered on the tank body; the tank body packaging sleeve is provided with a handle. The explosion-proof cover body is composed of high-molecular polyurethane hard foam agent with high flame retardant property and a tank packaging sleeve material. The tank body packaging sleeve and the lifting handle are made of materials with flame resistance, water resistance and the like.
The preparation method of the trapezoid high polymer material composite flexible explosion-proof tank comprises the following steps of:
step S01: fixing a trapezoid inner sleeve mold;
step S02: winding a first explosion-proof structural material with a certain thickness on the inner sleeve mold to form a first explosion-proof layer, wherein bonding glue is coated on the first explosion-proof structural material of the winding layer after each winding of the first explosion-proof structural material;
step S03: winding a second explosion-proof structural material with a certain thickness on the first explosion-proof layer to form a second explosion-proof layer, wherein bonding glue is coated on the second explosion-proof structural material of the winding layer after each winding of the second explosion-proof structural material;
step S04: winding a third explosion-proof structural material with a certain thickness on the second explosion-proof layer to form a third explosion-proof layer, wherein bonding glue is coated on the third explosion-proof structural material of the winding layer after each winding of the third explosion-proof structural material;
the winding thickness of the first explosion-proof structural material, the second explosion-proof structural material and the third explosion-proof structural material can be determined according to explosion-proof specifications;
step S05: curing the first explosion-proof structural material, the second explosion-proof structural material and the third explosion-proof structural material which are wound on the inner sleeve mold, wherein the curing temperature is 110-145 ℃ and the curing time is 20-50min;
step S06: sleeving an outer sleeve mold of the explosion-proof tank on the outer side of the third explosion-proof layer to form an injection molding space between the third explosion-proof layer and the outer sleeve mold, wherein the injection density of the injection molding space is 28-410kg/m 3 The halogen-free flame-retardant polyurethane hard foam agent with an open pore structure of more than 85% is contained in the matrix, and the halogen-free flame-retardant polyurethane hard foam agent is cured to form an explosion-unloading structure layer;
step S07: removing the outer sleeve mold, and winding the first explosion-proof structural material, the second explosion-proof structural material and the third explosion-proof structural material layer by layer on the explosion-unloading structural layer;
step S08: and curing the first explosion-proof structural material, the second explosion-proof structural material and the third explosion-proof structural material which are wound on the explosion-unloading structural layer, and dismantling the inner sleeve mold to obtain the trapezoid high polymer material composite flexible explosion-proof tank.
The first explosion-proof structural material is prepared by the following steps: the supermolecule polyethylene is first fiber modified to thickness of 0.08-0.2mm and surface density of 100-160g/m 2 Dip-coating PVB glue solution on the surface of the non-woven fabric to obtain the non-woven fabric containing 2-10g/m 2 And drying the non-woven fabric of the PVB glue solution to obtain the first explosion-proof structural material.
The second explosion-proof structural material is prepared by the following steps: blending aramid 1414 and aramid 1313 to obtain a fabric with a thickness of 1.5-2.5mm and an areal density of 300-400g/m 2 Is coated with PVB glue solution to obtain a plain cloth containing 10-50g/m 2 And (3) drying the aramid cloth of the PVB glue solution to obtain the second explosion-proof structural material.
The third explosion-proof structural material is composed of SMC (sheet molding compound) film with the thickness of 1-4mm, and the SMC film is prepared in the following manner: mixing alkali-free high-strength glass fiber with the length of 40-70mm into a mixed solution of vinyl-p-phenyl resin, a curing agent, a halogen-free flame retardant and an accelerator to obtain an SMC film with the glass fiber content of 25-40%;
the halogen-free flame retardant is one or more of phosphorus compound, metal hydroxide, silicon flame retardant and nitrogen flame retardant.
Compared with the prior art, the invention forms the composite explosion-proof structure by arranging the first composite explosion-proof unit, the explosion-unloading structural layer and the second composite explosion-proof unit with different internal and external wave impedances according to the sequence of the soft phase, the absorption phase, the explosion-unloading layer and the bulletproof material. The first 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 to the tank body; the explosion unloading structural layer 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; the invention solves the threat of side injury to the outside, and the interaction between the two materials and the structure can prolong the absorption time of the shock wave energy, thereby effectively improving the protection efficiency of the explosion-proof tank structure.
In the invention, from the concept of explosion prevention, after the explosive in the tank body explodes, the basic structure of the explosion-proof tank still exists, and fragments are absorbed by the polymer material without splashing; structurally, the bulletproof high-molecular structural material realizes full flexibility of the structure; the material is combined with the SMC film 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 an inner sleeve mold, then an SMC film is wound, after pre-curing at a certain temperature, a high-molecular polyurethane hard foam agent with high flame retardant performance is injected on the mold, the mold is cooled and retreated, the super-molecular polyethylene non-woven fabric, the aramid fiber cloth and the SMC film are continuously wound on the surface of a foaming material, and a tank body packaging sleeve and an explosion-proof tank cover are sleeved after curing and shaping.
The invention has the advantages that: after the explosive is exploded in the explosion-proof tank, the basic structure of the explosion-proof tank can be maintained; in the aspect of performance, the flexibility, no toxicity, safety and environmental protection are realized; the whole structure is simple and practical, the whole working mode is reasonable, the manufacturing cost is greatly reduced, the use safety is improved, the manufacturing mode and the use mode are convenient and fast, the application is good, and the popularization is convenient.
The explosion-proof tank has the advantages of light weight, no secondary side injury, high preparation efficiency, strong explosion-proof capability, realization of flexibility, no toxicity, safety, environmental protection and reliability.
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, together with the practice of the invention
The examples are intended together to illustrate the invention and are not to be construed as unduly limiting the invention. In the drawings:
FIG. 1 is a schematic structural view of an explosion-proof tank of the present invention;
FIG. 2 is an illustration of an unpinned can package sleeve of the present invention;
FIG. 3 is an illustration of an explosion proof canister incorporating a canister packing sleeve in accordance with the present invention;
FIG. 4 is a field display view of the invention prior to an explosion proof test of the explosion proof canister;
FIG. 5 is a field display view of the explosion proof tank of the present invention after an explosion proof test;
FIG. 6 is a representation of a preformed fragment absorbed by a canister of the invention (the preformed fragment is fully absorbed by the canister in the test);
fig. 7 is a graph of overpressure values for a simulated head, body and foot at 3.5 meters from the center of explosion using an explosion proof tank of the present invention in an explosion proof test.
Fig. 8 is a graph of overpressure values in an explosion proof test without the use of the present invention.
Reference numerals: 1-a trapezoid tank body.
The invention is further described below with reference to the drawings and the detailed description.
Description of the embodiments
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: the trapezoid high polymer material composite flexible explosion-proof tank comprises a trapezoid tank body 1, wherein the trapezoid tank body 1 comprises a first composite explosion-proof unit, an explosion unloading structure layer and a second composite explosion-proof unit, the explosion unloading structure layer is arranged between the first composite explosion-proof unit and the second composite explosion-proof unit, and the first composite explosion-proof unit and the second composite explosion-proof unit comprise a first explosion-proof layer, a second explosion-proof layer and a third explosion-proof layer which are sequentially arranged from inside to outside; the explosion-unloading structural layer is composed of a cooled halogen-free flame-retardant polyurethane hard foam agent. The first explosion-proof layer comprises a plurality of circles of non-woven fabrics wound on the inner sleeve mold and bonding glue coated on the surface of each circle of non-woven fabrics. The second explosion-proof layer comprises a plurality of rings of aramid cloth wound on the outer surface of the first explosion-proof layer and bonding glue coated on the surface of each ring of plain cloth. The third explosion-proof layer comprises a plurality of circles of SMC film which are wound on the outer surface of the second explosion-proof layer and bonding glue which is coated on the surface of each circle of SMC film.
Example 2: the trapezoid high polymer material composite flexible explosion-proof tank comprises a trapezoid tank body 1, wherein the trapezoid tank body 1 comprises a first composite explosion-proof unit, an explosion unloading structure layer and a second composite explosion-proof unit, the explosion unloading structure layer is arranged between the first composite explosion-proof unit and the second composite explosion-proof unit, and the first composite explosion-proof unit and the second composite explosion-proof unit comprise a first explosion-proof layer, a second explosion-proof layer and a third explosion-proof layer which are sequentially arranged from inside to outside; the explosion-unloading structural layer is composed of a cooled halogen-free flame-retardant polyurethane hard foam agent. The first explosion-proof layer comprises a plurality of circles of non-woven fabrics wound on the inner sleeve mold and bonding glue coated on the surface of each circle of non-woven fabrics. The second explosion-proof layer comprises a plurality of rings of aramid cloth wound on the outer surface of the first explosion-proof layer and bonding glue coated on the surface of each ring of plain cloth. The third explosion-proof layer comprises a plurality of circles of SMC film which are wound on the outer surface of the second explosion-proof layer and bonding glue which is coated on the surface of each circle of SMC film. The tank body is internally provided with a supporting net bag which is arranged at the middle part of the tank body. The supporting net bag is used for ensuring that unsafe reactions such as explosion and the like can not be caused by the impact of the explosive on the tank body when the explosive is put into the tank body.
Example 3: the trapezoid high polymer material composite flexible explosion-proof tank comprises a trapezoid tank body 1, wherein the trapezoid tank body 1 comprises a first composite explosion-proof unit, an explosion unloading structure layer and a second composite explosion-proof unit, the explosion unloading structure layer is arranged between the first composite explosion-proof unit and the second composite explosion-proof unit, and the first composite explosion-proof unit and the second composite explosion-proof unit comprise a first explosion-proof layer, a second explosion-proof layer and a third explosion-proof layer which are sequentially arranged from inside to outside; the explosion-unloading structural layer is composed of a cooled halogen-free flame-retardant polyurethane hard foam agent. The first explosion-proof layer comprises a plurality of circles of non-woven fabrics wound on the inner sleeve mold and bonding glue coated on the surface of each circle of non-woven fabrics. The second explosion-proof layer comprises a plurality of rings of aramid cloth wound on the outer surface of the first explosion-proof layer and bonding glue coated on the surface of each ring of plain cloth. The third explosion-proof layer comprises a plurality of circles of SMC film which are wound on the outer surface of the second explosion-proof layer and bonding glue which is coated on the surface of each circle of SMC film. The tank body is internally provided with a supporting net bag which is arranged at the middle part of the tank body. The supporting net bag is used for ensuring that unsafe reactions such as explosion and the like can not be caused by the impact of the explosive on the tank body when the explosive is put into the tank body. The trapezoid high polymer material composite flexible explosion-proof tank also comprises a tank body packaging sleeve and an explosion-proof cover body covered on the tank body; the explosion-proof cover body is composed of high-molecular polyurethane hard foam agent with high flame retardant property and a tank packaging sleeve material. The tank body packaging sleeve is provided with a handle. The tank body packaging sleeve and the lifting handle are made of materials with flame resistance, water resistance and the like.
Example 4: a preparation method of a trapezoid high polymer material composite flexible explosion-proof tank comprises the following steps: step S01: fixing a trapezoid inner sleeve mold; step S02: winding a first explosion-proof structural material with a certain thickness on the inner sleeve mold to form a first explosion-proof layer, wherein bonding glue is coated on the first explosion-proof structural material of the winding layer after each winding of the first explosion-proof structural material; step S03: winding a second explosion-proof structural material with a certain thickness on the first explosion-proof layer to form a second explosion-proof layer, wherein each winding of the second explosion-proof structural material is arranged on the winding layerCoating adhesive on the second explosion-proof structural material; step S04: winding a third explosion-proof structural material with a certain thickness on the second explosion-proof layer to form a third explosion-proof layer, wherein bonding glue is coated on the third explosion-proof structural material of the winding layer after each winding of the third explosion-proof structural material; the winding thickness of the first explosion-proof structural material, the second explosion-proof structural material and the third explosion-proof structural material can be determined according to explosion-proof specifications; step S05: curing the first explosion-proof structural material, the second explosion-proof structural material and the third explosion-proof structural material which are wound on the inner sleeve mold, wherein the curing temperature is 110 ℃, and the curing time is 20min; step S06: sleeving an outer sleeve mold of the explosion-proof tank on the outer side of the third explosion-proof layer to form an injection molding space between the third explosion-proof layer and the outer sleeve mold, and injecting the injection molding space with the density of 28kg/m 3 The halogen-free flame-retardant polyurethane hard foam agent with an open pore structure of more than 85% is contained in the matrix, and the halogen-free flame-retardant polyurethane hard foam agent is cured to form an explosion-unloading structure layer; step S07: removing the outer sleeve mold, and winding the first explosion-proof structural material, the second explosion-proof structural material and the third explosion-proof structural material layer by layer on the explosion-unloading structural layer; step S08: and curing the first explosion-proof structural material, the second explosion-proof structural material and the third explosion-proof structural material which are wound on the explosion-unloading structural layer, and dismantling the inner sleeve mold to obtain the trapezoid high polymer material composite flexible explosion-proof tank. The first explosion-proof structural material is prepared by the following steps: the supermolecule polyethylene is first fiber modified to thickness of 0.08mm and surface density of 100g/m 2 Dip-coating PVB glue solution on the surface of the non-woven fabric to prepare the non-woven fabric containing 2g/m 2 And drying the non-woven fabric of the PVB glue solution to obtain the first explosion-proof structural material. The second explosion-proof structural material is prepared by the following steps: blending aramid 1414 and aramid 1313 to obtain a fabric with a thickness of 1.5mm and an areal density of 300g/m 2 Is coated with PVB glue solution to obtain a plain cloth containing 10g/m 2 And (3) drying the aramid cloth of the PVB glue solution to obtain the second explosion-proof structural material. The third explosion-proof structural material is composed of an SMC film with the thickness of 1mm, and the SMC film is prepared in the following mode: mixing alkali-free high strength glass fiber with length of 40mm into vinyl-p-phenyl resin, and curingThe mixed solution of the agent, the halogen-free flame retardant and the accelerator is used for obtaining the SMC film with 25 percent of glass fiber; the halogen-free flame retardant is one or more of phosphorus compound, metal hydroxide, silicon flame retardant and nitrogen flame retardant.
Example 5: a preparation method of a trapezoid high polymer material composite flexible explosion-proof tank comprises the following steps: step S01: fixing a trapezoid inner sleeve mold; step S02: winding a first explosion-proof structural material with a certain thickness on the inner sleeve mold to form a first explosion-proof layer, wherein bonding glue is coated on the first explosion-proof structural material of the winding layer after each winding of the first explosion-proof structural material; step S03: winding a second explosion-proof structural material with a certain thickness on the first explosion-proof layer to form a second explosion-proof layer, wherein bonding glue is coated on the second explosion-proof structural material of the winding layer after each winding of the second explosion-proof structural material; step S04: winding a third explosion-proof structural material with a certain thickness on the second explosion-proof layer to form a third explosion-proof layer, wherein bonding glue is coated on the third explosion-proof structural material of the winding layer after each winding of the third explosion-proof structural material; the winding thickness of the first explosion-proof structural material, the second explosion-proof structural material and the third explosion-proof structural material can be determined according to explosion-proof specifications; step S05: curing the first explosion-proof structural material, the second explosion-proof structural material and the third explosion-proof structural material which are wound on the inner sleeve mold, wherein the curing temperature is 145 ℃, and the curing time is 50min; step S06: sleeving an outer sleeve mold of the explosion-proof tank on the outer side of the third explosion-proof layer to form an injection molding space between the third explosion-proof layer and the outer sleeve mold, and injecting the injection molding space with the density of 410kg/m 3 The halogen-free flame-retardant polyurethane hard foam agent with an open pore structure of more than 85% is contained in the matrix, and the halogen-free flame-retardant polyurethane hard foam agent is cured to form an explosion-unloading structure layer; step S07: removing the outer sleeve mold, and winding the first explosion-proof structural material, the second explosion-proof structural material and the third explosion-proof structural material layer by layer on the explosion-unloading structural layer; step S08: solidifying the first explosion-proof structural material, the second explosion-proof structural material and the third explosion-proof structural material which are wound on the explosion-unloading structural layer, and dismantling the inner sleeve mold to obtain the trapezoid high polymer material composite flexible explosion-proof tank. The first explosion-proof structural material is prepared by the following steps: the supermolecule polyethylene is first fiber modified to thickness of 0.2mm and surface density of 160g/m 2 Dip-coating PVB glue solution on the surface of the non-woven fabric to prepare the non-woven fabric containing 10g/m 2 And drying the non-woven fabric of the PVB glue solution to obtain the first explosion-proof structural material. The second explosion-proof structural material is prepared by the following steps: blending aramid 1414 and aramid 1313 to obtain a fabric with a thickness of 2.5mm and an areal density of 400g/m 2 Is coated with PVB glue solution to obtain a plain cloth containing 50g/m 2 And (3) drying the aramid cloth of the PVB glue solution to obtain the second explosion-proof structural material. The third explosion-proof structural material is composed of SMC (sheet molding compound) films with the thickness of 4mm, and the SMC films are prepared in the following mode: mixing alkali-free high-strength glass fiber with the length of 70mm into mixed liquid of vinyl-p-phenyl resin, curing agent, halogen-free flame retardant and accelerator to obtain SMC soft sheet with the glass fiber amount of 40%; the halogen-free flame retardant is one or more of phosphorus compound, metal hydroxide, silicon flame retardant and nitrogen flame retardant.
Example 6: a preparation method of a trapezoid high polymer material composite flexible explosion-proof tank comprises the following steps: step S01: fixing a trapezoid inner sleeve mold; step S02: winding a first explosion-proof structural material with a certain thickness on the inner sleeve mold to form a first explosion-proof layer, wherein bonding glue is coated on the first explosion-proof structural material of the winding layer after each winding of the first explosion-proof structural material; step S03: winding a second explosion-proof structural material with a certain thickness on the first explosion-proof layer to form a second explosion-proof layer, wherein bonding glue is coated on the second explosion-proof structural material of the winding layer after each winding of the second explosion-proof structural material; step S04: winding a third explosion-proof structural material with a certain thickness on the second explosion-proof layer to form a third explosion-proof layer, wherein bonding glue is coated on the third explosion-proof structural material of the winding layer after each winding of the third explosion-proof structural material; step S05: curing the first explosion-proof structural material, the second explosion-proof structural material and the third explosion-proof structural material which are wound on the inner sleeve mold, wherein the curing temperature is 130 ℃, and the curing time is 30min; step S06:sleeving an outer sleeve mold of the explosion-proof tank on the outer side of the third explosion-proof layer to form an injection molding space between the third explosion-proof layer and the outer sleeve mold, wherein the injection density in the injection molding space is 200kg/m 3 The halogen-free flame-retardant polyurethane hard foam agent with an open pore structure of more than 85% is contained in the matrix, and the halogen-free flame-retardant polyurethane hard foam agent is cured to form an explosion-unloading structure layer; step S07: removing the outer sleeve mold, and winding the first explosion-proof structural material, the second explosion-proof structural material and the third explosion-proof structural material layer by layer on the explosion-unloading structural layer; step S08: and curing the first explosion-proof structural material, the second explosion-proof structural material and the third explosion-proof structural material which are wound on the explosion-unloading structural layer, and dismantling the inner sleeve mold to obtain the trapezoid high polymer material composite flexible explosion-proof tank. The first explosion-proof structural material is prepared by the following steps: the supermolecule polyethylene is first fiber modified to 0.1mm thickness and 130g/m area density 2 Dip-coating PVB glue solution on the surface of the non-woven fabric to prepare the non-woven fabric containing 6g/m 2 And drying the non-woven fabric of the PVB glue solution to obtain the first explosion-proof structural material. The second explosion-proof structural material is prepared by the following steps: blending aramid 1414 and aramid 1313 to obtain a fabric with a thickness of 2mm and an areal density of 350g/m 2 Is coated with PVB glue solution to obtain a plain cloth containing 30g/m 2 And (3) drying the aramid cloth of the PVB glue solution to obtain the second explosion-proof structural material. The third explosion-proof structural material is composed of an SMC film with the thickness of 3mm, and the SMC film is prepared in the following mode: mixing alkali-free high-strength glass fiber with the length of 55mm into a mixed solution of vinyl-p-phenyl resin, a curing agent, a halogen-free flame retardant and an accelerator to obtain an SMC soft sheet with the glass fiber content of 33 percent; the halogen-free flame retardant is one or more of phosphorus compound, metal hydroxide, silicon flame retardant and nitrogen flame retardant.
Claims (7)
1. The preparation method of the trapezoid high polymer material composite flexible explosion-proof tank is characterized by comprising the following steps of:
step S01: fixing a trapezoid inner sleeve mold;
step S02: winding a first explosion-proof structural material with a certain thickness into the inner partForming a first explosion-proof layer on the sleeve mold, wherein the first explosion-proof structural material is coated with adhesive on the first explosion-proof structural material of the winding layer every time the first explosion-proof structural material is wound; the first explosion-proof structural material is prepared by the following steps: the supermolecule polyethylene is first fiber modified to thickness of 0.1-0.2mm and surface density of 130-160g/m 2 Dip-coating PVB glue solution on the surface of the non-woven fabric to obtain the non-woven fabric containing 6-10g/m 2 The non-woven fabric of PVB glue solution is dried to obtain the first explosion-proof structural material;
step S03: winding a second explosion-proof structural material with a certain thickness on the first explosion-proof layer to form a second explosion-proof layer, wherein bonding glue is coated on the second explosion-proof structural material of the winding layer after each winding of the second explosion-proof structural material; the second explosion-proof structural material is prepared by the following steps: blending aramid 1414 and aramid 1313 to obtain a fabric with a thickness of 1.5-2.5mm and an areal density of 400g/m 2 Dip-coating PVB glue solution on the plain cloth to obtain the final product containing 10-50g/m 2 The aramid cloth of the PVB glue solution is dried to obtain a second explosion-proof structural material;
step S04: winding a third explosion-proof structural material with a certain thickness on the second explosion-proof layer to form a third explosion-proof layer, wherein bonding glue is coated on the third explosion-proof structural material of the winding layer after each winding of the third explosion-proof structural material; the third explosion-proof structural material is composed of an SMC film with the thickness of 3-4mm, and the SMC film is prepared in the following manner: mixing alkali-free high-strength glass fiber with the length of 55-70mm into mixed liquid composed of vinyl-p-phenyl resin, curing agent, halogen-free flame retardant and accelerator to obtain SMC film with the glass fiber content of 33-40%; the halogen-free flame retardant is one or more of phosphorus compound, metal hydroxide, silicon flame retardant and nitrogen flame retardant;
step S05: curing the first explosion-proof structural material, the second explosion-proof structural material and the third explosion-proof structural material which are wound on the inner sleeve mold, wherein the curing temperature is 110-145 ℃ and the curing time is 20-50min;
step S06: sleeving an outer sleeve mold of the explosion-proof tank on the outer side of the third explosion-proof layer to form a space between the third explosion-proof layer and the outer sleeve moldForming an injection molding space, and injecting the material with the density of 28-410kg/m into the injection molding space 3 The halogen-free flame-retardant polyurethane hard foam agent with an open pore structure of more than 85% is contained in the matrix, and the halogen-free flame-retardant polyurethane hard foam agent is cured to form an explosion venting structure layer;
step S07: removing the outer sleeve mold, and winding the first explosion-proof structural material, the second explosion-proof structural material and the third explosion-proof structural material layer by layer on the explosion venting structural layer;
step S08: and curing the first explosion-proof structural material, the second explosion-proof structural material and the third explosion-proof structural material which are wound on the explosion venting structural layer, and dismantling the inner sleeve mold to obtain the trapezoid high polymer material composite flexible explosion-proof tank.
2. The trapezoid high polymer material composite flexible explosion-proof tank prepared by the method according to claim 1 is characterized in that: the explosion-proof device comprises a trapezoid tank body (1), wherein the trapezoid tank body (1) comprises a first composite explosion-proof unit, an explosion venting structural layer and a second composite explosion-proof unit, the explosion venting structural layer is arranged between the first composite explosion-proof unit and the second composite explosion-proof unit, and the first composite explosion-proof unit and the second composite explosion-proof unit comprise a first explosion-proof layer, a second explosion-proof layer and a third explosion-proof layer which are sequentially arranged from inside to outside; the explosion venting structure layer is composed of a cooled halogen-free flame-retardant polyurethane hard foam agent.
3. The trapezoid high polymer material composite flexible explosion-proof tank according to claim 2, wherein: the first explosion-proof layer comprises a plurality of circles of non-woven fabrics wound on the inner sleeve mold and bonding glue coated on the surface of each circle of non-woven fabrics.
4. A trapezoidal polymer material composite flexible explosion-proof tank according to claim 3, wherein: the second explosion-proof layer comprises a plurality of rings of aramid cloth wound on the outer surface of the first explosion-proof layer and adhesive coated on the surface of each ring of aramid cloth.
5. The trapezoid macromolecular material composite flexible explosion-proof tank according to claim 4, wherein: the third explosion-proof layer comprises a plurality of circles of SMC film which are wound on the outer surface of the second explosion-proof layer and bonding glue which is coated on the surface of each circle of SMC film.
6. The trapezoid macromolecular material composite flexible explosion-proof tank according to claim 5, wherein: the tank body is internally provided with a supporting net bag, and the supporting net bag is arranged at the middle part of the tank body.
7. The trapezoid macromolecular material composite flexible explosion-proof tank according to claim 6, wherein: the anti-explosion tank also comprises a tank body packaging sleeve and an anti-explosion cover body covered on the tank body; the tank body packaging sleeve is provided with a handle.
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Application publication date: 20220201 Assignee: Sanmenxia Chang Xin protective equipment Co.,Ltd. Assignor: SANMENXIA TIANKANG COMPETE SET EQUIPMENT Co.,Ltd. Contract record no.: X2024980012327 Denomination of invention: A trapezoidal polymer composite flexible explosion-proof tank and its preparation method Granted publication date: 20231110 License type: Common License Record date: 20240819 |
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