阅读说明：本技术 一种阻隔防爆体、阻隔防爆材料及其制造方法 (Barrier explosion-proof body, barrier explosion-proof material and manufacturing method thereof ) 是由 吴金莲 魏华荣 于 2021-09-06 设计创作，主要内容包括：本发明公开了一种阻隔防爆体、阻隔防爆材料及其制造方法,该阻隔防爆材料的铝合金箔100的金属成分质量百分比为：锰为0.8-1,铁为0.3-0.5,硅为0.3,镁为0.03-0.08,碳颗粒为0.02-0.05,钛为0.01-0.02,余量为Al；其中镁与碳颗粒的质量百分比之和为0.06-0.08。解决了现有技术中抑爆材料强度与延展性、延伸率以及力学性能稳定性较差的技术问题。(The invention discloses a blocking explosion-proof body, a blocking explosion-proof material and a manufacturing method thereof, wherein the blocking explosion-proof material comprises the following metal components in percentage by mass of an aluminum alloy foil 100: 0.8-1% of manganese, 0.3-0.5% of iron, 0.3% of silicon, 0.03-0.08% of magnesium, 0.02-0.05% of carbon particles, 0.01-0.02% of titanium and the balance of Al; wherein the sum of the mass percent of the magnesium and the carbon particles is 0.06-0.08. The technical problems of poor strength, ductility, elongation and mechanical property stability of the explosion suppression material in the prior art are solved.)

1. The separation explosion-proof body is characterized by comprising a plurality of layers of aluminum alloy foils 100, wherein the aluminum alloy foils 100 comprise at least one outer layer foil 110, at least one middle layer foil 120 and at least one inner layer foil 130 which are sequentially arranged;

each outer foil 110 is slit and expanded into a prismatic net structure, each middle foil 120 is slit and expanded into a square net structure, each inner foil 130 is slit and expanded into a triangular net structure, and the meshes on each aluminum alloy foil layer are overlapped in a staggered manner to form a disordered staggered structure.

2. A barrier explosion-proof material is used for manufacturing the barrier explosion-proof body as claimed in claim 1, and the metal components of the aluminum alloy foil 100 of the barrier explosion-proof material in percentage by mass are as follows: 0.8-1% of manganese, 0.3-0.5% of iron, 0.3% of silicon, 0.03-0.08% of magnesium, 0.02-0.05% of carbon particles, 0.01-0.02% of titanium and the balance of Al; wherein the sum of the mass percent of the magnesium and the carbon particles is 0.06-0.08.

3. A barrier explosion-proof material according to claim 2, wherein the aluminum alloy foil 100 comprises the following metal components in percentage by mass: 0.9 manganese, 0.4 iron, 0.3 silicon, 0.04 magnesium, 0.03 carbon particles, 0.01 titanium, and the balance of Al; wherein the sum of the mass percentages of magnesium and carbon particles is 0.07.

4. The barrier blast resistant material as recited in claim 3, wherein the outer foil 110 has an aluminum foil thickness of 0.02 to 0.2mm, a width of 50 to 800mm, a slit length of 8 to 25mm on the aluminum foil, a maximum diagonal length of the prismatic cells of 6 to 22mm, and a minimum diagonal length of 3 to 11 mm.

5. A barrier blast-proof material as claimed in claim 3, wherein the intermediate layer foil 110 has an aluminum foil thickness of 0.03-0.18mm and a width of 50-800mm, and has a slit length of 6-20mm and a square mesh side length of 5-15 mm.

6. A barrier blast-proof material as claimed in claim 3, wherein the inner foil 130 has an aluminum foil thickness of 0.04-0.16mm and a width of 50-800mm, the length of the cut on the aluminum foil is 4-18mm, and the side length of the triangular mesh is 2-10 mm.

7. A manufacturing method for manufacturing the barrier blast-proof material as claimed in any one of claims 2 to 6, characterized by comprising the steps of:

mixing the following metal components in percentage by mass and manufacturing an aluminum alloy foil blank: 0.8-1% of manganese, 0.3-0.5% of iron, 0.3% of silicon, 0.03-0.08% of magnesium, 0.02-0.05% of carbon particles, 0.01-0.02% of titanium and the balance of Al; wherein the sum of the mass percentages of the magnesium and the carbon particles is 0.06-0.08;

efficiently hot rolling the blank to a target value through multiple rolling passes, wherein the rolling speed of each rolling pass is 15-45m/min, the reduction amount of each rolling pass is controlled to be 60-80%, the blank is preheated before each rolling pass, and the preheating temperature and the rolling temperature before each rolling pass are controlled to be 200-400 ℃;

annealing at the temperature of 150-300 ℃ for 50-200 s;

the rolled and annealed aluminum alloy foil blank is slit and expanded, each outer foil 110 is slit and expanded into a prismatic net structure, each middle foil 120 is slit and expanded into a square net structure, each inner foil 130 is slit and expanded into a triangular net structure, and the meshes on each aluminum alloy foil layer are overlapped in a staggered manner to form a disordered staggered structure.

8. The manufacturing method according to claim 7, wherein the preheating time before rolling in each rolling pass is controlled to be 3 to 12 min.

Technical Field

The invention relates to the technical field of explosion prevention, in particular to a blocking explosion-proof body, a blocking explosion-proof material and a manufacturing method thereof.

Background

In order to avoid explosion of flammable and explosive liquid and gas materials during transportation and storage, cellular explosion suppression materials are mostly adopted for protection. In the barrier explosion-proof technology, most explosion-proof materials are honeycomb-shaped or unit bodies with other shapes formed by laminating, winding or stretching aluminum alloy foils. The existing aluminum alloy foil comprises the following chemical components in percentage by weight: 0.8-1.8% of Mn, 0.3-0.7% of Fe, 0.3-0.6% of Si, 0.1-0.2% of Cu, 0.1% of Zn, 0.03-0.1% of Mg, and the balance of Al; or 1.0 to 1.2 Mn, 0.4 to 0.6 Fe, 0.4 Si, 0.02 to 0.06 Cu, 0.02 to 0.03 Ti, and the balance Al. The aluminum alloy foil adopted by the explosion suppression material has poor strength, ductility, elongation and mechanical property stability, and cannot meet the requirements of specific occasions.

Disclosure of Invention

In view of the defects of the prior art, the invention aims to provide a barrier explosion-proof body, a barrier explosion-proof material and a manufacturing method thereof, so as to at least partially solve the technical problems of poor strength, ductility, elongation and mechanical property stability of the explosion-proof material in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

the separation explosion-proof body comprises a plurality of layers of aluminum alloy foils, wherein each aluminum alloy foil comprises at least one outer layer foil, at least one middle layer foil and at least one inner layer foil which are sequentially arranged;

and the outer layer foil is cut and expanded into a prismatic net structure, the middle layer foil is cut and expanded into a square net structure, the inner layer foil is cut and expanded into a triangular net structure, and meshes on the aluminum alloy foil layers are overlapped in a staggered mode to form a disordered staggered structure.

A barrier explosion-proof material is used for manufacturing the barrier explosion-proof body, and the mass percentages of metal components of an aluminum alloy foil of the barrier explosion-proof material are as follows: 0.8-1% of manganese, 0.3-0.5% of iron, 0.3% of silicon, 0.03-0.08% of magnesium, 0.02-0.05% of carbon particles, 0.01-0.02% of titanium and the balance of Al; wherein the sum of the mass percent of the magnesium and the carbon particles is 0.06-0.08.

Further, the aluminum alloy foil comprises the following metal components in percentage by mass: 0.9 manganese, 0.4 iron, 0.3 silicon, 0.04 magnesium, 0.03 carbon particles, 0.01 titanium, and the balance of Al; wherein the sum of the mass percentages of magnesium and carbon particles is 0.07.

Furthermore, the thickness of the aluminum foil of the outer layer foil is 0.02-0.2mm, the width is 50-800mm, the length of the cutting seam on the aluminum foil is 8-25mm, the maximum diagonal length of the prismatic meshes is 6-22mm, and the minimum diagonal length of the prismatic meshes is 3-11 mm.

Furthermore, the thickness of the aluminum foil of the middle layer foil is 0.03-0.18mm, the width is 50-800mm, the length of a cutting seam on the aluminum foil is 6-20mm, and the side length of a square mesh is 5-15 mm.

Furthermore, the thickness of the aluminum foil of the inner layer foil is 0.04-0.16mm, the width is 50-800mm, the length of a cutting seam on the aluminum foil is 4-18mm, and the side length of a triangular mesh is 2-10 mm.

A manufacturing method for manufacturing the barrier explosion-proof material comprises the following steps:

mixing the following metal components in percentage by mass and manufacturing an aluminum alloy foil blank: 0.8-1% of manganese, 0.3-0.5% of iron, 0.3% of silicon, 0.03-0.08% of magnesium, 0.02-0.05% of carbon particles, 0.01-0.02% of titanium and the balance of Al; wherein the sum of the mass percentages of the magnesium and the carbon particles is 0.06-0.08;

efficiently hot rolling the blank to a target value through multiple rolling passes, wherein the rolling speed of each rolling pass is 15-45m/min, the reduction amount of each rolling pass is controlled to be 60-80%, the blank is preheated before each rolling pass, and the preheating temperature and the rolling temperature before each rolling pass are controlled to be 200-400 ℃;

annealing at the temperature of 150-300 ℃ for 50-200 s;

and (3) slitting and expanding the rolled and annealed aluminum alloy foil blank, slitting and expanding each outer layer foil into a prismatic net structure, slitting and expanding each middle layer foil into a square net structure, slitting and expanding each inner layer foil into a triangular net structure, and overlapping the meshes on each aluminum alloy foil layer in a staggered manner to form a disordered staggered structure.

Further, the preheating time before rolling of each rolling pass is controlled to be 3-12 min.

Compared with the prior art, the invention has the following beneficial effects: the barrier explosion-proof body comprises a plurality of layers of aluminum alloy foils, wherein the aluminum alloy foils comprise at least one outer layer foil, at least one middle layer foil and at least one inner layer foil which are sequentially arranged; and the outer layer foil is cut and expanded into a prismatic net structure, the middle layer foil is cut and expanded into a square net structure, the inner layer foil is cut and expanded into a triangular net structure, and meshes on the aluminum alloy foil layers are overlapped in a staggered mode to form a disordered staggered structure. Through set up the grid of different shapes on each layer foil for crisscross more unordered between the adjacent layer, and then improved intensity, ductility and mechanical properties stability etc..

In the barrier explosion-proof material provided by the invention, the aluminum alloy foil comprises the following metal components in percentage by mass: 0.8-1% of manganese, 0.3-0.5% of iron, 0.3% of silicon, 0.03-0.08% of magnesium, 0.02-0.05% of carbon particles, 0.01-0.02% of titanium and the balance of Al; wherein the sum of the mass percent of the magnesium and the carbon particles is 0.06-0.08. The ductility of the material is improved by adding magnesium elements and carbon particles, so that the technical problems of poor strength, ductility, elongation and mechanical property stability of the explosion suppression material in the prior art are solved.

Drawings

The present description will be further explained by way of exemplary embodiments, which will be described in detail by way of the accompanying drawings. These embodiments are not intended to be limiting, and in these embodiments like numerals are used to indicate similar structure, wherein:

figure 1 is a schematic illustration of a barrier blast-resistant material according to some embodiments of the present application.

FIG. 2 is a schematic illustration of an outer layer foil, an intermediate layer foil, and an inner layer foil of aluminum alloy foils according to some embodiments of the present application.

Figure 3 is a schematic illustration of a method of making a barrier blast resistant material according to some embodiments of the present application.

Detailed Description

The following describes embodiments of the present invention in detail.

It should be noted that, in the case of no conflict, the features in the following embodiments and examples may be combined with each other; moreover, all other embodiments that can be derived by one of ordinary skill in the art from the embodiments disclosed herein without making any creative effort fall within the scope of the present disclosure.

It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.

As shown in fig. 1, in a specific embodiment, the barrier explosion-proof body provided by the present invention comprises a multi-layer aluminum alloy foil 100, and the number of layers of the aluminum alloy foil 100 can be selected according to the use requirement, so as to meet the explosion-proof requirement. Wherein the aluminum alloy foil 100 comprises at least one outer layer foil 110, at least one intermediate layer foil 120 and at least one inner layer foil 130 which are arranged in sequence; that is, the several layers of aluminum alloy foil may be divided into three layer sets, the layer set located at the outer periphery being the outer layer foil 110, the layer set located at the middle layer being the middle layer foil 120, and the layer set located at the inner side being the inner layer foil 130. In some embodiments, the layers of foil are slit and expanded to different shapes. For example, as shown in fig. 2, each of the outer foils 110 is slit and expanded into a prismatic net structure, each of the intermediate foils 120 is slit and expanded into a square net structure, each of the inner foils 130 is slit and expanded into a triangular net structure, and the meshes on each of the aluminum alloy foil layers are alternately stacked to form a random staggered structure. After the net is formed, the net structures among different layers are different in shape, so that the possibility of generating staggering is lower, the disorder of the staggering structure is guaranteed, the space can be divided into a plurality of small spaces by the staggering structure, propagation of flame is effectively restrained, detonation pressure waves are sharply attenuated, and the explosion-proof performance is improved.

In another specific embodiment, the barrier explosion-proof material provided by the invention is used for manufacturing the barrier explosion-proof body, and the metal components of the aluminum alloy foil of the barrier explosion-proof material in percentage by mass are as follows: 0.8-1% of manganese, 0.3-0.5% of iron, 0.3% of silicon, 0.03-0.08% of magnesium, 0.02-0.05% of carbon particles, 0.01-0.02% of titanium and the balance of Al; wherein the sum of the mass percent of the magnesium and the carbon particles is 0.06-0.08.

Preferably, the aluminum alloy foil comprises the following metal components in percentage by mass: 0.9 manganese, 0.4 iron, 0.3 silicon, 0.04 magnesium, 0.03 carbon particles, 0.01 titanium, and the balance of Al; wherein the sum of the mass percentages of magnesium and carbon particles is 0.07.

Wherein, the thickness of the aluminum foil of the outer layer foil is 0.02-0.2mm, the width is 50-800mm, the length of the cutting seam on the aluminum foil is 8-25mm, the maximum diagonal length of the prismatic mesh is 6-22mm, and the minimum diagonal length of the prismatic mesh is 3-11 mm. The thickness of the aluminum foil of the middle layer foil is 0.03-0.18mm, the width is 50-800mm, the length of a cutting seam on the aluminum foil is 6-20mm, and the side length of a square mesh is 5-15 mm. The thickness of the aluminum foil of the inner layer foil is 0.04-0.16mm, the width is 50-800mm, the length of a cutting seam on the aluminum foil is 4-18mm, and the side length of a triangular mesh is 2-10 mm.

In some embodiments, the kerf size on different layers of the aluminum alloy foil 100 may be smaller such that the staggered configuration may divide the space into more and finer spaces. For example, the length of the slits in the aluminum foil of the outer foil 110 is 5-10mm, the maximum diagonal length of the prismatic cells is 3-8mm, and the minimum diagonal length of the prismatic cells is 2-6 mm. For another example, the length of the slit on the aluminum foil of the intermediate layer foil 120 is 4 to 9mm, and the side length of the square mesh is 3 to 7 mm. The length of the cutting seam on the aluminum foil of the inner layer foil 130 is 3-6mm, and the side length of the triangular meshes is 2-4 mm.

In some embodiments, the aluminum alloy foil 100 includes a plurality of outer foils 110, a plurality of intermediate foils 120, and a plurality of inner foils 130, which are sequentially disposed. The slits on each of the multi-layer outer foil 110, the multi-layer intermediate foil 120 and/or the multi-layer inner foil 130 are different in size, so that disorder of the staggered structure is increased and the explosion-proof performance is improved.

In some embodiments, the barrier vent includes multiple layers of aluminum alloy foil. The cutting seams on different layers of aluminum alloy foils are different in size. For example, the barrier vent includes two layers of aluminum alloy foil. The first layer of aluminum alloy foil comprises at least one first outer layer foil, at least one first middle layer foil and at least one first inner layer foil which are arranged in sequence; the second layer of aluminum alloy foil comprises at least one second outer layer foil, at least one second middle layer foil and at least one second inner layer foil which are arranged in sequence. The slits in the at least one first outer layer of foil are of a different size than the slits in the at least one second outer layer of foil. The slits in the at least one first intermediate layer foil are of a different size than the slits in the at least one second intermediate layer foil. The slits in the at least one first inner layer foil are of a different size than the slits in the at least one second inner layer foil. In some embodiments, the size of the kerf on the aluminum alloy foils of different layers is gradually reduced from inside to outside so as to effectively inhibit the propagation of flame, sharply attenuate the detonation pressure wave and further improve the explosion-proof performance.

Further, the present invention also provides a manufacturing method for manufacturing the barrier blast-proof material as described above, as shown in fig. 3, the manufacturing method includes the following steps:

s1: mixing the following metal components in percentage by mass and manufacturing an aluminum alloy foil blank: 0.8-1% of manganese, 0.3-0.5% of iron, 0.3% of silicon, 0.03-0.08% of magnesium, 0.02-0.05% of carbon particles, 0.01-0.02% of titanium and the balance of Al; wherein the sum of the mass percentages of the magnesium and the carbon particles is 0.06-0.08;

s2: efficiently hot rolling the blank to a target value through multiple rolling passes, wherein the rolling speed of each rolling pass is 15-45m/min, the reduction amount of each rolling pass is controlled to be 60-80%, the blank is preheated before each rolling pass, the preheating temperature and the rolling temperature before each rolling pass are both controlled to be 200-400 ℃, and the preheating time before each rolling pass is controlled to be 3-12 min;

s3: annealing at the temperature of 150-300 ℃ for 50-200 s;

s4: and (3) slitting and expanding the rolled and annealed aluminum alloy foil blank, slitting and expanding each outer layer foil into a prismatic net structure, slitting and expanding each middle layer foil into a square net structure, slitting and expanding each inner layer foil into a triangular net structure, and overlapping the meshes on each aluminum alloy foil layer in a staggered manner to form a disordered staggered structure.

The technical solution of the present invention is further explained by the following embodiments. It should be understood by those skilled in the art that the examples are only for the understanding of the present invention and should not be construed as the specific limitations of the present invention.

Example 1

In embodiment 1, the barrier explosion-proof body provided by the invention comprises a plurality of layers of aluminum alloy foils, wherein the aluminum alloy foils comprise 10 layers of outer layer foils, 10 layers of middle layer foils and 10 layers of inner layer foils which are sequentially arranged. The outer layer foil is cut and expanded into a prismatic net structure, the thickness of the aluminum foil of the outer layer foil is 0.1mm, the width of the aluminum foil is 120mm, the length of the cut on the aluminum foil is 15mm, the maximum diagonal length of the prismatic net is 18mm, and the minimum diagonal length of the prismatic net is 9 mm. And cutting the middle layer foil and expanding the middle layer foil into a square net structure, wherein the thickness of the aluminum foil of the middle layer foil is 0.1mm, the width of the aluminum foil is 300mm, the length of the cutting seam on the aluminum foil is 15mm, and the side length of the square net is 10 mm. And cutting seams of the inner layer foil are expanded into a triangular net structure, the thickness of the aluminum foil of the inner layer foil is 0.08mm, the width of the aluminum foil is 300mm, the length of the cutting seams on the aluminum foil is 15mm, and the side length of triangular meshes is 6 mm. The meshes on the aluminum alloy foil layers are overlapped in a staggered mode to form a disordered staggered structure.

In this example 1, in the barrier explosion-proof material for manufacturing the barrier explosion-proof body as described above, the aluminum alloy foil has the following metal components in percentage by mass: 0.9 manganese, 0.4 iron, 0.3 silicon, 0.04 magnesium, 0.03 carbon particles, 0.01 titanium, and the balance of Al; wherein the sum of the mass percentages of magnesium and carbon particles is 0.07.

In this embodiment 1, the manufacturing method for manufacturing the barrier explosion-proof material as described above includes the steps of:

s101: mixing the following metal components in percentage by mass and manufacturing an aluminum alloy foil blank: 0.9 manganese, 0.4 iron, 0.3 silicon, 0.04 magnesium, 0.03 carbon particles, 0.01 titanium, and the balance of Al; wherein the sum of the mass percentages of magnesium and carbon particles is 0.07;

s102: efficiently hot rolling the blank to a target value through multiple rolling passes, wherein the rolling speed of each rolling pass is 30m/min, the reduction rate of each rolling pass is controlled to be 70%, the blank is preheated before each rolling pass, the preheating temperature and the rolling temperature before each rolling pass are controlled to be 300 ℃, and the preheating time before each rolling pass is controlled to be 10 min;

s103: annealing at 200 ℃ for 80 s;

s104: and (3) slitting and expanding the rolled and annealed aluminum alloy foil blank, slitting and expanding each outer layer foil into a prismatic net structure, slitting and expanding each middle layer foil into a square net structure, slitting and expanding each inner layer foil into a triangular net structure, and overlapping the meshes on each aluminum alloy foil layer in a staggered manner to form a disordered staggered structure.

Example 2

In embodiment 2, the barrier explosion-proof body provided by the invention comprises a plurality of layers of aluminum alloy foils, wherein the aluminum alloy foils comprise 6 layers of outer layer foils, 10 layers of middle layer foils and 8 layers of inner layer foils which are sequentially arranged. The outer layer foil is cut and expanded into a prismatic net structure, the thickness of the aluminum foil of the outer layer foil is 0.09mm, the width of the aluminum foil is 400mm, the length of the cut on the aluminum foil is 20mm, the maximum diagonal length of the prismatic net is 16mm, and the minimum diagonal length of the prismatic net is 8 mm. And cutting the middle layer foil and expanding the middle layer foil into a square net structure, wherein the thickness of the aluminum foil of the middle layer foil is 0.07mm, the width of the aluminum foil is 400mm, the length of the cutting seam on the aluminum foil is 20mm, and the side length of the square net is 8 mm. And the inner layer foil is cut and expanded into a triangular mesh structure, the thickness of the aluminum foil of the inner layer foil is 0.12mm, the width of the aluminum foil is 400mm, the length of the cut on the aluminum foil is 9mm, and the side length of a triangular mesh is 7 mm. The meshes on the aluminum alloy foil layers are overlapped in a staggered mode to form a disordered staggered structure.

In example 2, in the barrier explosion-proof material for manufacturing the barrier explosion-proof body as described above, the aluminum alloy foil has the following metal components in percentage by mass: 0.93 manganese, 0.45 iron, 0.3 silicon, 0.06 magnesium, 0.02 carbon particles, 0.015 titanium, and the balance of Al; wherein the sum of the mass percentages of magnesium and carbon particles is 0.08.

In this embodiment 2, the manufacturing method for manufacturing the barrier explosion-proof material as described above includes the steps of:

s201: mixing the following metal components in percentage by mass and manufacturing an aluminum alloy foil blank: 0.93 manganese, 0.45 iron, 0.3 silicon, 0.06 magnesium, 0.02 carbon particles, 0.015 titanium, and the balance of Al; wherein the sum of the mass percentages of magnesium and carbon particles is 0.08;

s202: efficiently hot rolling the blank to a target value through multiple rolling passes, wherein the rolling speed of each rolling pass is 20m/min, the reduction rate of each rolling pass is controlled to be 65%, the blank is preheated before each rolling pass, the preheating temperature and the rolling temperature before each rolling pass are both controlled to be 350 ℃, and the preheating time before each rolling pass is controlled to be 10 min;

s203: annealing at 220 ℃ for 60 s;

s204: and (3) slitting and expanding the rolled and annealed aluminum alloy foil blank, slitting and expanding each outer layer foil into a prismatic net structure, slitting and expanding each middle layer foil into a square net structure, slitting and expanding each inner layer foil into a triangular net structure, and overlapping the meshes on each aluminum alloy foil layer in a staggered manner to form a disordered staggered structure.

Example 3

In embodiment 3, the barrier explosion-proof body provided by the invention comprises a plurality of layers of aluminum alloy foils, wherein the aluminum alloy foils comprise 6 layers of outer layer foils, 20 layers of middle layer foils and 10 layers of inner layer foils which are sequentially arranged. The outer layer foil is cut and expanded into a prismatic net structure, the thickness of the aluminum foil of the outer layer foil is 0.15mm, the width of the aluminum foil is 80mm, the length of the cut on the aluminum foil is 12mm, the maximum diagonal length of the prismatic net is 18mm, and the minimum diagonal length of the prismatic net is 9 mm. And cutting the middle layer foil and expanding the middle layer foil into a square net structure, wherein the thickness of the aluminum foil of the middle layer foil is 0.18mm, the width of the aluminum foil is 200mm, the length of the cutting seam on the aluminum foil is 12mm, and the side length of the square net is 9 mm. And cutting seams of the inner layer foil are expanded into a triangular net structure, the thickness of the aluminum foil of the inner layer foil is 0.1mm, the width of the aluminum foil is 200mm, the length of the cutting seams on the aluminum foil is 13mm, and the side length of triangular meshes is 7 mm. The meshes on the aluminum alloy foil layers are overlapped in a staggered mode to form a disordered staggered structure.

In this example 3, in the barrier explosion-proof material for manufacturing the barrier explosion-proof body as described above, the aluminum alloy foil has the following metal components in percentage by mass: 0.88 manganese, 0.42 iron, 0.3 silicon, 0.02 magnesium, 0.05 carbon particles, 0.012 titanium, and the balance Al; wherein the sum of the mass percentages of magnesium and carbon particles is 0.07.

In this embodiment 3, the manufacturing method for manufacturing the barrier explosion-proof material as described above includes the steps of:

s301: mixing the following metal components in percentage by mass and manufacturing an aluminum alloy foil blank: 0.88 manganese, 0.42 iron, 0.3 silicon, 0.02 magnesium, 0.05 carbon particles, 0.012 titanium, and the balance Al; wherein the sum of the mass percentages of magnesium and carbon particles is 0.07;

s302: efficiently hot rolling the blank to a target value through multiple rolling passes, wherein the rolling speed of each rolling pass is 38m/min, the reduction rate of each rolling pass is controlled to be 75%, the blank is preheated before each rolling pass, the preheating temperature and the rolling temperature before each rolling pass are controlled to be 250 ℃, and the preheating time before each rolling pass is controlled to be 10 min;

s303: annealing, wherein the annealing temperature is 180 ℃, and the annealing time is 100 s;

s304: and (3) slitting and expanding the rolled and annealed aluminum alloy foil blank, slitting and expanding each outer layer foil into a prismatic net structure, slitting and expanding each middle layer foil into a square net structure, slitting and expanding each inner layer foil into a triangular net structure, and overlapping the meshes on each aluminum alloy foil layer in a staggered manner to form a disordered staggered structure.

Example 4

In embodiment 4, the barrier explosion-proof body provided by the invention comprises a plurality of layers of aluminum alloy foils, wherein the aluminum alloy foils comprise 12 layers of outer layer foils, 20 layers of middle layer foils and 8 layers of inner layer foils which are sequentially arranged. The outer layer foil is cut and expanded into a prismatic net structure, the thickness of the aluminum foil of the outer layer foil is 0.05mm, the width of the aluminum foil is 500mm, the length of the cut on the aluminum foil is 20mm, the maximum diagonal length of the prismatic net is 14mm, and the minimum diagonal length of the prismatic net is 7 mm. And cutting seams of the middle layer foil are expanded into a square net structure, the thickness of the aluminum foil of the middle layer foil is 0.12mm, the width of the aluminum foil is 500mm, the length of the cutting seams on the aluminum foil is 11mm, and the side length of the square net is 10 mm. And cutting seams of the inner layer foil are expanded into a triangular net structure, the thickness of the aluminum foil of the inner layer foil is 0.08mm, the width of the aluminum foil is 500mm, the length of the cutting seams on the aluminum foil is 15mm, and the side length of triangular meshes is 8 mm. The meshes on the aluminum alloy foil layers are overlapped in a staggered mode to form a disordered staggered structure.

In this example 4, in the barrier explosion-proof material for manufacturing the barrier explosion-proof body as described above, the aluminum alloy foil has the following metal components in percentage by mass: 0.95% manganese, 0.48% iron, 0.3% silicon, 0.05% magnesium, 0.03% carbon particles, 0.015% titanium, and the balance Al; wherein the sum of the mass percentages of magnesium and carbon particles is 0.08.

In this example 4, the manufacturing method for manufacturing the barrier explosion-proof material as described above includes the steps of:

s401: mixing the following metal components in percentage by mass and manufacturing an aluminum alloy foil blank: 0.95% manganese, 0.48% iron, 0.3% silicon, 0.05% magnesium, 0.03% carbon particles, 0.015% titanium, and the balance Al; wherein the sum of the mass percentages of magnesium and carbon particles is 0.08;

s402: efficiently hot rolling the blank to a target value through multiple rolling passes, wherein the rolling speed of each rolling pass is 43m/min, the reduction rate of each rolling pass is controlled to be 78%, the blank is preheated before each rolling pass, the preheating temperature and the rolling temperature before each rolling pass are both controlled to be 350 ℃, and the preheating time before each rolling pass is controlled to be 10 min;

s403: annealing at 200 ℃ for 150 s;

s404: and (3) slitting and expanding the rolled and annealed aluminum alloy foil blank, slitting and expanding each outer layer foil into a prismatic net structure, slitting and expanding each middle layer foil into a square net structure, slitting and expanding each inner layer foil into a triangular net structure, and overlapping the meshes on each aluminum alloy foil layer in a staggered manner to form a disordered staggered structure.

Example 5

In embodiment 5, the barrier explosion-proof body provided by the invention comprises a plurality of layers of aluminum alloy foils, wherein the aluminum alloy foils comprise 8 layers of outer layer foils, 15 layers of middle layer foils and 8 layers of inner layer foils which are sequentially arranged. The outer layer foil is cut and expanded into a prismatic net structure, the thickness of the aluminum foil of the outer layer foil is 0.09mm, the width of the aluminum foil is 600mm, the length of the cut on the aluminum foil is 20mm, the maximum diagonal length of the prismatic net is 14mm, and the minimum diagonal length of the prismatic net is 7 mm. And cutting the middle layer foil and expanding the middle layer foil into a square net structure, wherein the thickness of the aluminum foil of the middle layer foil is 0.16mm, the width of the aluminum foil is 600mm, the length of the cutting seam on the aluminum foil is 11mm, and the side length of the square net is 10 mm. And cutting seams of the inner layer foil are expanded into a triangular net structure, the thickness of the aluminum foil of the inner layer foil is 0.08mm, the width of the aluminum foil is 500mm, the length of the cutting seams on the aluminum foil is 15mm, and the side length of triangular meshes is 8 mm. The meshes on the aluminum alloy foil layers are overlapped in a staggered mode to form a disordered staggered structure.

In this example 5, in the barrier explosion-proof material for manufacturing the barrier explosion-proof body as described above, the aluminum alloy foil has the following metal components in percentage by mass: 0.9 manganese, 0.5 iron, 0.3 silicon, 0.03 magnesium, 0.05 carbon particles, 0.01 titanium, and the balance of Al; wherein the sum of the mass percentages of magnesium and carbon particles is 0.08.

In this example 5, the manufacturing method for manufacturing the barrier explosion-proof material as described above includes the steps of:

s501: mixing the following metal components in percentage by mass and manufacturing an aluminum alloy foil blank: 0.9 manganese, 0.5 iron, 0.3 silicon, 0.03 magnesium, 0.05 carbon particles, 0.01 titanium, and the balance of Al; wherein the sum of the mass percentages of magnesium and carbon particles is 0.08;

s502: efficiently hot rolling the blank to a target value through multiple rolling passes, wherein the rolling speed of each rolling pass is 45m/min, the reduction rate of each rolling pass is controlled to be 80%, the blank is preheated before each rolling pass, the preheating temperature and the rolling temperature before each rolling pass are controlled to be 300 ℃, and the preheating time before each rolling pass is controlled to be 10 min;

s503: annealing, wherein the annealing temperature is 250 ℃, and the annealing time is 180 s;

s504: and (3) slitting and expanding the rolled and annealed aluminum alloy foil blank, slitting and expanding each outer layer foil into a prismatic net structure, slitting and expanding each middle layer foil into a square net structure, slitting and expanding each inner layer foil into a triangular net structure, and overlapping the meshes on each aluminum alloy foil layer in a staggered manner to form a disordered staggered structure.

Comparative example 1

In the comparative example 1, the barrier explosion-proof material is formed by cutting and cutting an aluminum alloy foil, expanding the aluminum alloy foil into a prismatic net shape, and then laminating or winding the aluminum alloy foil into a honeycomb shape, wherein grids among layers of the aluminum alloy foil are overlapped in a staggered manner, and a plurality of layers of grids form a disordered staggered structure; wherein the aluminum alloy foil comprises the following metal components in percentage by mass: 1.1 Mn, 0.5 Fe, 0.4 Si, 0.04 Cu, 0.025 Ti, and the balance Al.

Comparative example 2

In the comparative example 2, the barrier explosion-proof material is formed by cutting and cutting an aluminum alloy foil, expanding the aluminum alloy foil into a prismatic net shape, and then laminating or winding the aluminum alloy foil into a honeycomb shape, wherein grids among layers of the aluminum alloy foil are overlapped in a staggered manner, and a plurality of layers of grids form a disordered staggered structure; wherein the aluminum alloy foil comprises the following metal components in percentage by mass: 1.1 Mn, 0.5 Fe, 0.4 Si, 0.04 Cu, 0.025 Ti, and the balance Al.

Comparative example 3

In comparative example 3, the aluminum alloy foil had the chemical composition in weight percent: 0.9 manganese, 0.34 iron, 0.3 silicon, 0.02 magnesium, 0.08 carbon particles, 0.01 titanium, and the balance Al.

Comparative example 4

In comparative example 4, the aluminum alloy foil had the chemical composition in weight percent: 0.9 manganese, 0.34 iron, 0.3 silicon, 0.2 magnesium, 0.01 carbon particles, 0.01 titanium, and the balance Al.

The barrier explosion-proof materials provided by the embodiments 1 to 5 of the invention are systematically evaluated for effects through tests, the evaluation dimensions include strength, ductility, elongation and mechanical property stability, the barrier explosion-proof materials provided by the comparative examples 1 to 4 are used as a comparison, the example 1 is 100% as a reference, and the test results are shown in table 1:

table 1 evaluation test results

As can be seen from the results in table 1, the barrier explosion-proof material provided in embodiments 1 to 5 of the present invention is obtained by arranging the barrier explosion-proof body as a multi-layer aluminum alloy foil including at least one outer layer foil, at least one intermediate layer foil and at least one inner layer foil, sequentially arranged, slitting and expanding each outer layer foil into a prismatic net structure, slitting and expanding each intermediate layer foil into a square net structure, slitting and expanding each inner layer foil into a triangular net structure, and overlapping the meshes on each aluminum alloy foil layer in a staggered manner to form a disordered staggered structure.

The applicant declares that the technical solution of the present invention is illustrated by the above embodiments, but the present invention is not limited to the above embodiments, that is, the present invention is not meant to be implemented only by relying on the above embodiments. It should be understood by those skilled in the art that any modification of the present invention, equivalent substitutions of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.

The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.