Explosion-proof material and its processing method

1. An explosion-proof material comprising a high-porosity sheet ( 11 ), said high-porosity sheet ( 11 ) being rolled up into a multilayer material body ( 1 ) with one side edge ( 12 ) of said high-porosity sheet ( 11 ) as an axis, and along a direction perpendicular to this side edge ( 12 ), characterized in that a skeleton( 13 ) is inserted in the gaps between any two layers of the multilayer material body ( 1 ) to fix and support the material body ( 1 ), wherein said skeleton ( 13 ) is at least one of

formed by interweaving a carriage ( 131 ) and a stiffening ring ( 132 ), the stiffening ring ( 132 ) being located in the middle of the carriage ( 131 ) and fixed on it, the shape of the skeleton( 13 ) corresponding to the shape of material body ( 1 );

composed of columns( 133 ) and beam( 134 ), said columns( 133 ) are inserted between the high-porosity sheet ( 11 ) of the material body ( 1 ) and project on the upper and lower end surfaces of the material body( 1 ), and the beam( 134 ) is connected with the projection parts of columns( 133 ) on the upper and lower end surfaces of material body ( 1 );

composed of more than one framework( 135 ), these frameworks( 135 ) setting up between the multilayer high-porosity sheet ( 11 ) of the material body( 1 ), and the multiple frameworks( 135 ) connecting at their top and bottom; and

composed of two parts, the upper skeleton and the lower skeleton( 136 ), the upper and lower skeletons( 136 ) respectively including mutually connected end frames( 1361 ) and insertion frames( 1362 ), said end frames( 1361 ) respectively putting over the upper and lower end surfaces of the material body( 1 ), and said insertion frames( 1362 ) inserting in the gap between the multilayer high-porosity sheet ( 11 ) of the material body( 1 ), for the purpose of fixing and supporting.

2. The explosion-proof material of claim 1 , characterized in that said skeleton ( 13 ) is made from elastic material.

3. The explosion-proof material of claim 1 , characterized in that said skeleton ( 13 ) is a continuous skeleton.

4. The explosion-proof material of claim 1 , characterized in that said skeleton ( 13 ) is a discontinuous skeleton.

5. The explosion-proof material of claim 1 , characterized in that said skeleton ( 13 ) is inserted in more than one position.

6. The explosion-proof material of claim 2 or 3 or 4 or 5 , characterized in that said carriage ( 131 ) is undulated shape.

7. The explosion-proof material of claim 2 or 3 or 4 or 5 , characterized in that said carriage ( 131 ) is a rectangle framework.

8. The explosion-proof material of claim 1 , characterized in that said material body ( 1 ) may be in the shape of cuboid or cube or polygonal column.

9. The explosion-proof material of claim 1 , characterized in that said high-porosity sheet ( 11 ) is made from one of metallic material, alloy material and materials obtained through metallic/non-metallic coating technology or their combination.

10. The explosion-proof material of claim 1 , characterized in that said skeleton( 13 ) is made from one of metallic material, non-metal material, alloy material and materials obtained through metallic/non-metallic coating technology or their combination.

11. A processing method for explosion-proof material, characterized in that the method includes the following steps:

Step 1: Through cutting, a grid form semi-finished material is formed from the original curly open-width foil material;

Step 2: Gradually expanding and stretching both sides of the grid form semi-finished material, a high-porosity sheet ( 11 ) is obtained;

Step 3: With one side( 12 ) of this high-porosity sheet ( 11 ) as an axis, winding the material along the direction being perpendicular to this side;

Step 4: During the process of winding inserting the skeleton( 13 ) into the gap between any two layers of the high-porosity sheet ( 11 ); winding the material continually until it forms a circular cylinder with required diameter; cutting off the high-porosity sheet ( 11 ), and thus forming the explosion-proof material, wherein Step 4 includes at least one of

a first procedure of

Step 4.1: conducting pre-opening treatment on the skeleton ( 13 ) formed by interweaving the undulated carriage( 131 ) and a stiffening ring( 132 ) or rectangular carriage( 131 ) and stiffening ring( 132 ), said stiffening ring ( 132 ) being located in the middle of the carriage ( 131 ) and fixed on it, the shape of the skeleton ( 13 ) corresponding to the shape of the wound circular cylinder;

Step 4.2: inserting the pre-opened skeleton( 13 ) into the high-porosity sheet ( 11 ), this skeleton( 13 ) is inserted into one position or multiple positions in a continuous or spiral or discontinuous manner, wherein Step 4.2 includes a procedure of

inserting the skeleton( 13 ) formed by interweaving the undulated carriage( 131 ) and stiffening ring( 132 ) in multiple positions, or

inserting the skeleton( 13 ) formed by interweaving the rectangular carriage( 131 ) and stiffening ring( 132 ) in multiple positions, or

inserting said two kinds of skeletons( 13 ) in multiple positions in combined manner;

a second procedure of

Step 4.1′: in the process of winding said high-porosity sheet ( 11 ), string columns( 133 ) on multiple positions between multilayer high-porosity sheet ( 11 ) of material body, so that the columns project on the upper and lower end surfaces of material body ( 1 );

Step 4.2′: connecting the parts of columns projecting on the upper and lower end surfaces of material body( 1 ) with a beam( 134 ), so as to form the properly inserted skeleton( 13 );

a third procedure of

Step 4.1″: in the process of winding said high-porosity sheet ( 11 ), setting up multiple frameworks( 135 ) between the multilayer high-porosity sheet ( 11 ) of the material body, with these frameworks being separated with each other at certain angle interval;

Step 4.2″:connecting multiple frameworks( 135 )with each other at their top and bottom, so as to form properly inserted skeleton( 13 ); and

a fourth procedure of

Step 4.1″′: in the process of winding said high-porosity sheet( 11 ), inserting the upper and lower skeleton( 136 ) composed of mutually connected end frames( 1361 ) and insertion frames( 1362 ), said end frames( 1361 ) being respectively put over the upper and lower end surfaces of the material body( 1 ), and said insertion frames ( 1362 ) being inserted in the gap between multilayer high-porosity sheet ( 11 ) of the material body( 1 ), for the purpose of fixing and supporting.

12. A processing method for explosion-proof material, characterized in that this method includes the following steps:

Step 1: Through cutting, a grid form semi-finished material is formed from the curly open-width original foil material;

Step 2: Gradually expanding and stretching outward both sides of the grid form semi-finished material, so as to obtain a high-porosity sheet ( 11 );

Step 3: With one side( 12 ) of this high-porosity sheet ( 11 ) as the center, winding the material along the direction perpendicular to this side;

Step 4: After winding to the specified extent, cutting off the high-porosity sheet ( 11 ), inserting the skeleton( 13 ) in the gap between the rolled circular cylinder material layers, so as to form multilayer explosion-proof material, wherein Step 4 includes at least one of

a first procedure of

Step 4.1: conducting pre-opening treatment on the skeleton ( 13 ) formed by interweaving the undulated carriage( 131 ) and a stiffening ring( 132 ) or rectangular carriage( 131 ) and stiffening ring( 132 ), said stiffening ring ( 132 ) being located in the middle of the carriage ( 131 ) and fixed on it, the shape of the skeleton ( 13 ) corresponding to the shape of the wound circular cylinder;

Step 4.2: inserting the pre-opened skeleton( 13 ) into the high-porosity sheet ( 11 ), this skeleton( 13 ) is inserted into one position or multiple positions in a continuous or spiral or discontinuous manner, wherein Step 4.2 includes a procedure of

inserting the skeleton( 13 ) formed by interweaving the undulated carriage( 131 ) and stiffening ring( 132 ) in multiple positions, or

inserting the skeleton( 13 ) formed by interweaving the rectangular carriage( 131 ) and stiffening ring( 132 ) in multiple positions, or

inserting said two kinds of skeletons( 13 ) in multiple positions in combined manner;

a second procedure of

Step 4.1′: in the process of winding said high-porosity sheet ( 11 ), string columns( 133 ) on multiple positions between multilayer high-porosity sheet ( 11 ) of material body, so that the columns project on the upper and lower end surfaces of material body ( 1 );

Step 4.2′: connecting the parts of columns projecting on the upper and lower end surfaces of material body( 1 ) with a beam( 134 ), so as to form the properly inserted skeleton( 13 );

a third procedure of

Step 4.1″: in the process of winding said high-porosity sheet ( 11 ), setting up multiple frameworks( 135 ) between the multilayer high-porosity sheet ( 11 ) of the material body, with these frameworks being separated with each other at certain angle interval;

Step 4.2″: connecting multiple frameworks( 135 )with each other at their top and bottom, so as to form properly inserted skeleton( 13 ); and

a fourth procedure of

Step 4.1′″: in the process of winding said high-porosity sheet( 11 ), inserting the upper and lower skeleton( 136 ) composed of mutually connected end frames( 1361 ) and insertion frames( 1362 ), said end frames( 1361 ) being respectively put over the upper and lower end surfaces of the material body( 1 ), and said insertion frames ( 1362 ) being inserted in the gap between multilayer high-porosity sheet ( 11 ) of the material body( 1 ), for the purpose of fixing and supporting.