CN111846674A - Separated-bin type explosion-proof functional structural body - Google Patents
Separated-bin type explosion-proof functional structural body Download PDFInfo
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- CN111846674A CN111846674A CN202010838017.XA CN202010838017A CN111846674A CN 111846674 A CN111846674 A CN 111846674A CN 202010838017 A CN202010838017 A CN 202010838017A CN 111846674 A CN111846674 A CN 111846674A
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- tubular body
- connecting piece
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- explosion
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- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 24
- 239000004698 Polyethylene Substances 0.000 claims description 9
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 6
- 239000006229 carbon black Substances 0.000 claims description 3
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 238000004880 explosion Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 229910052755 nonmetal Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a bin-type explosion-proof functional structural body, which comprises: the first tubular body is in a round tube shape; the second tubular body is in a circular tube shape and is coaxially arranged with the first tubular body; the two annular pieces are arranged on the outer sides of the first tubular body and the second tubular body respectively; and arranged coaxially with the first and second tubular bodies; the annular connecting sheet is coaxial with the annular pieces and is arranged between the two annular pieces; the first connecting sheet is arc-shaped, and two ends of the plane of the first connecting sheet are respectively connected with the first tubular body and the second tubular body; the arc surface of the first connecting sheet is connected with the annular member and the annular connecting sheet; the second connecting piece is arc-shaped, two ends of the plane of the second connecting piece are respectively connected with the two annular pieces, and the cambered surface of the second connecting piece is connected with the annular pieces and the annular connecting piece; the second connecting pieces are spaced apart from the first connecting pieces along the circumferential surface of the annular member. The explosion-proof functional structure body has the advantages of low volume occupancy rate, low cost and simple structure.
Description
Technical Field
The invention relates to the technical field of barrier explosion-proof materials, in particular to a bin-type explosion-proof functional structural body.
Background
The frequent combustion, explosion and other serious accidents in the traffic and logistics field become killers of human life and property safety and are also factors influencing the stable development of the society. Therefore, there is an urgent need in the society to solve the problem of safe storage, transportation and use of light petroleum fuels and related hazardous chemicals. The barrier explosion-proof technology is adopted to carry out safety protection on storage, transportation and use of liquid and gaseous flammable and explosive dangerous chemicals, and is one of key technologies in the field of safety protection at present.
The barrier explosion-proof technology is characterized in that a metal or nonmetal explosion-proof material is arranged in fuel storage systems of oil tanks, oil tanks and the like of various equipment and vehicles, when the equipment or a vehicle fuel system is subjected to high temperature, striking and collision, the barrier explosion-proof material is used for blocking rapid propagation of flame and instant release of energy, so that explosion does not occur or explosion hazard is reduced, the equipment and the vehicles are protected to be safe, and explosion caused by accidents (static electricity, welding, gunshot, road accidents, wrong operation and the like) in the processes of storage, road transportation and the like of flammable and explosive dangerous chemicals can be effectively prevented.
In recent years, a large number of spherical barrier explosion-proof materials adopting an injection molding process appear in the field of non-metal barrier explosion-proof materials, and although the existing non-metal injection molded barrier explosion-proof materials have good corrosion resistance and explosion-proof performance, the volume of the barrier explosion-proof materials is large, so that the barrier explosion-proof materials with the structures have high volume occupancy rate, the production cost is seriously increased due to use, and the processing and molding process difficulty is high. The invention combines the characteristics of the injection molding process and the mold design process, and adopts a simpler structural design to obtain the hollow framework spherical structure body which can be quickly molded and has a simple processing process.
Therefore, it is an urgent need to solve the problem of the art to develop a bin-type explosion-proof structure with low volume occupancy, low cost and simple structure.
Disclosure of Invention
In view of this, the invention provides a cabin-divided type explosion-proof functional structure body with low volume occupancy, low cost and simple structure.
In order to achieve the purpose, the invention adopts the following technical scheme:
a bin-type explosion-proof functional structural body comprises:
the first tubular body is in a circular tube shape;
the second tubular body is in a circular tubular shape, is coaxially arranged with the first tubular body, and has a diameter larger than that of the second tubular body;
two annular pieces are arranged and are respectively arranged on the outer sides of the first tubular body and the second tubular body; the annular piece is coaxially arranged with the first tubular body and the second tubular body, and the outer side surface of the annular piece is arc-shaped;
the annular connecting piece is coaxial with the annular pieces and is arranged between the two annular pieces;
the first connecting piece is arc-shaped, one side surface of the first connecting piece is a plane, the other side surface of the first connecting piece is an arc surface, two ends of the plane of the first connecting piece are respectively connected with the first tubular body and the second tubular body, and a plurality of first connecting pieces are uniformly arranged along the outer circumferential surface of the second tubular body; the arc surface of the first connecting sheet is connected with the annular piece and the annular connecting sheet;
the second connecting piece is arc-shaped, one side surface of the second connecting piece is a plane, the other side surface of the second connecting piece is an arc surface, two ends of the plane of the second connecting piece are respectively connected with the two annular pieces, and the arc surface of the second connecting piece is connected with the annular pieces and the annular connecting piece; the second connecting pieces are distributed at intervals with the first connecting pieces along the circumferential surface of the annular piece;
the first tubular body, the second tubular body, the annular piece, the annular connecting piece, the first connecting piece and the second connecting piece form an oval sphere structure.
The anti-explosion structural body has the advantages that the anti-explosion structural body is an oval sphere structure, the oval sphere structure can further reduce the occupancy rate of the anti-explosion structural body in containers such as an oil tank and the like in the using process, and the cost is reduced.
Preferably, the outer surfaces of the ring-shaped member and the ring-shaped connecting piece, the arc surface of the first connecting piece, the arc surface of the second connecting piece, and the end surfaces of the first tubular body and the second tubular body constitute the outer surface of the oval sphere structure.
Preferably, a pouring position connecting piece is arranged in one end, located at the end of the oval sphere structure, of the second tubular body, and the pouring position connecting piece is in a disc shape and is arranged coaxially with the second tubular body.
Preferably, the outer circumferential surface of the casting position connecting piece is connected with the inner wall of the second tubular body through a plurality of connecting pieces, and a plurality of flow passages are formed between the casting position connecting piece and the second tubular body.
Preferably, the wall thicknesses of the second tubular body, the annular connecting sheet, the first connecting sheet and the second connecting sheet are all 0.4-0.8 mm; the wall thickness of the annular piece and the first tubular body is 0.1mm greater than that of the second tubular body, the annular connecting piece, the first connecting piece and the second connecting piece.
Preferably, the first connecting sheet plane is flush with the outer circumferential surface of the second tubular body, and the wall thickness of the first tubular body enables the first connecting sheet plane to penetrate through the side wall of the first tubular body, so that the first connecting sheet plane is flush with the axis of the second tubular body after connection is completed.
Preferably, two end faces of the first connecting piece are flush with outer end faces of the first tubular body and the second tubular body at the end parts of the oval sphere structure, so that the surface of the oval sphere structure is more neat.
Preferably, the bin-divided explosion-proof functional structure body is formed by combining 70-85 parts of high-density polyethylene, 10-18 parts of PE-based antimony trioxide master batches, 1-3 parts of superconducting carbon black and 2-3 parts of N, N-ethylene bis stearamide.
Preferably, the content of the antimony trioxide in the PE-based antimony trioxide master batch is not lower than 85% of the total content of the PE-based antimony trioxide master batch.
According to the technical scheme, compared with the prior art, the invention discloses a bin-type explosion-proof functional structural body, which has the beneficial effects that:
(1) the appearance of the explosion-proof functional structural body provided by the invention is an elliptic spherical structure, most of the existing explosion-proof functional structural bodies are standard spherical structures, and compared with the explosion-proof functional structural body with the standard spherical structure, the explosion-proof functional structural body with the elliptic spherical structure can further reduce the occupancy rate of an explosion-proof structural product in containers such as an oil tank and the like, and reduce the cost;
(2) the material selected by the explosion-proof functional structural body has flame retardance and antistatic performance, and has good stability in the production process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a view angle of a bin-type explosion-proof functional structure provided by the present invention;
FIG. 2 is a schematic structural diagram of another view angle of the bin-type explosion-proof functional structural body provided by the present invention;
FIG. 3 is a front view of the sectional explosion-proof structure according to the present invention;
fig. 4 is a side view of the sectional explosion-proof structure provided by the invention.
Wherein, in the figure,
1-a first tubular body; 2-a second tubular body; 3-a ring-shaped member; 4-a ring-shaped connecting sheet; 5-a first connecting piece; 6-a second connecting sheet; 7-pouring position connecting pieces; 8-a connector; 9-flow channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a bin-divided type explosion-proof functional structural body, which comprises:
the first tubular body 1, the first tubular body 1 is in a round tubular shape;
the second tubular body 2 is in a circular tubular shape, is coaxially arranged with the first tubular body 1, and has a diameter larger than that of the second tubular body 2;
two annular parts 3 are arranged, and the two annular parts 3 are respectively arranged on the outer sides of the first tubular body 1 and the second tubular body 2; the annular piece 3 is coaxially arranged with the first tubular body 1 and the second tubular body 2, and the outer side surface of the annular piece 3 is arc-shaped;
the annular connecting piece 4 is coaxial with the annular pieces 3 and is arranged between the two annular pieces 3;
the first connecting piece 5 is arc-shaped, one side surface of the first connecting piece 5 is a plane, the other side surface of the first connecting piece is an arc surface, two ends of the plane of the first connecting piece 5 are respectively connected with the first tubular body 1 and the second tubular body 2, and a plurality of first connecting pieces are uniformly arranged along the outer circumferential surface of the second tubular body 2; the arc surface of the first connecting sheet 5 is connected with the annular piece 3 and the annular connecting sheet 4;
the second connecting piece 6 is arc-shaped, one side surface of the second connecting piece 6 is a plane, the other side surface of the second connecting piece is an arc surface, two ends of the plane of the second connecting piece 6 are respectively connected with the two annular pieces 3, and the arc surface of the second connecting piece 6 is connected with the annular pieces 3 and the annular connecting piece 4; the second connecting sheets 6 are distributed at intervals with the first connecting sheets 5 along the circumferential surface of the annular part 3;
the first tubular body 1, the second tubular body 2, the annular piece 3, the annular connecting piece 4, the first connecting piece 5 and the second connecting piece 6 form an oval sphere structure. The oval sphere structure is a standard oval sphere structure.
In order to further optimize the technical scheme, the outer surfaces of the annular piece 3 and the annular connecting piece 4, the arc surface of the first connecting piece 5, the arc surface of the second connecting piece 6 and the end surfaces of the first tubular body 1 and the second tubular body 2 form the outer surface of an oval sphere structure.
In order to further optimize the technical scheme, a pouring position connecting piece 7 is arranged inside one end, located at the end part of the oval sphere structure, of the second tubular body 2, and the pouring position connecting piece 7 is in a disc shape and is arranged coaxially with the second tubular body 2.
In order to further optimize the above solution, the outer circumferential surface of the casting position connecting piece 7 is connected with the inner wall of the second tubular body 2 by a plurality of connecting pieces 8, and a plurality of flow passages 9 are formed between the casting position connecting piece 7 and the second tubular body 2. The flow channel 9 is flush with the end of the first connecting piece 5.
In order to further optimize the technical scheme, the wall thicknesses of the second tubular body 2, the annular connecting sheet 4, the first connecting sheet 5 and the second connecting sheet 6 are all 0.4-0.8 mm; the wall thicknesses of the annular piece 3 and the first tubular body 1 are 0.1mm greater than the wall thicknesses of the second tubular body 2, the annular connecting piece 4, the first connecting piece 5 and the second connecting piece 6.
In order to further optimize the solution, the first connecting web 5 is flush with the outer circumferential surface of the second tubular body 2.
In order to further optimize the above technical solution, two end faces of the first connecting piece 5 are flush with the outer end faces of the first tubular body 1 and the second tubular body 2 at the ends of the oval sphere structure respectively.
In order to further optimize the technical scheme, the bin-type explosion-proof functional structural body is formed by combining 70-85 parts of high-density polyethylene, 10-18 parts of PE-based antimony trioxide master batches, 1-3 parts of superconducting carbon black and 2-3 parts of N, N-ethylene bis stearamide.
In order to further optimize the technical scheme, the content of the antimony trioxide in the PE-based antimony trioxide master batch is not lower than 85 percent of the total content of the PE-based antimony trioxide master batch.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides an explosion-proof function structure of bin-separating which characterized in that includes:
a first tubular body (1), said first tubular body (1) being tubular;
the second tubular body (2) is in a circular tubular shape, is coaxially arranged with the first tubular body (1), and has a diameter larger than that of the second tubular body (2);
the two annular pieces (3) are arranged and are respectively arranged on the outer sides of the first tubular body (1) and the second tubular body (2); and is arranged coaxially with the first tubular body (1) and the second tubular body (2), and the outer side surface of the annular piece (3) is arc-shaped;
the annular connecting piece (4) is coaxial with the annular pieces (3) and is arranged between the two annular pieces (3);
the first connecting piece (5) is arc-shaped, one side surface of the first connecting piece (5) is a plane, the other side surface of the first connecting piece is an arc surface, two ends of the plane of the first connecting piece (5) are respectively connected with the first tubular body (1) and the second tubular body (2), and a plurality of first connecting pieces are uniformly arranged along the outer circumferential surface of the second tubular body (2); the arc surface of the first connecting piece (5) is connected with the annular piece (3) and the annular connecting piece (4);
the second connecting piece (6) is arc-shaped, one side surface of the second connecting piece (6) is a plane, the other side surface of the second connecting piece is an arc surface, two ends of the plane of the second connecting piece (6) are respectively connected with the two annular pieces (3), and the arc surface of the second connecting piece (6) is connected with the annular pieces (3) and the annular connecting piece (4); the second connecting pieces (6) are distributed at intervals with the first connecting pieces (5) along the circumferential surface of the annular piece (3);
the first tubular body (1), the second tubular body (2), the annular piece (3), the annular connecting piece (4), the first connecting piece (5) and the second connecting piece (6) form an oval sphere structure.
2. A split-chamber explosion-proof structure as claimed in claim 1, wherein the outer surfaces of the ring-shaped member (3) and the ring-shaped connecting piece (4), the arc surface of the first connecting piece (5), the arc surface of the second connecting piece (6), and the end surfaces of the first tubular body (1) and the second tubular body (2) constitute the outer surface of the oval sphere structure.
3. A bin type explosion-proof functional structure according to claim 1 or 2, wherein a pouring position connecting piece (7) is arranged inside one end of the second tubular body (2) at the end of the oval sphere structure, and the pouring position connecting piece (7) is in a disc shape and is arranged coaxially with the second tubular body (2).
4. A compartmented explosion-proof functional structure according to claim 3, wherein the outer circumferential surface of the casting position connector (7) is connected with the inner wall of the second tubular body (2) by a plurality of connectors (8), and a plurality of flow channels (9) are formed between the casting position connector (7) and the second tubular body (2).
5. A split-chamber type explosion-proof functional structure body according to any one of claims 1, 2 or 4, wherein the wall thicknesses of the second tubular body (2), the annular connecting sheet (4), the first connecting sheet (5) and the second connecting sheet (6) are all 0.4-0.8 mm; the wall thicknesses of the annular piece (3) and the first tubular body (1) are 0.1mm greater than the wall thicknesses of the second tubular body (2), the annular connecting piece (4), the first connecting piece (5) and the second connecting piece (6).
6. A split-bin functional explosion-proof structure according to claim 5, wherein the first connecting piece (5) is flush with the outer circumferential surface of the second tubular body (2).
7. A divided explosion-proof functional structure according to claim 6, wherein two end faces of the first connecting piece (5) are flush with the outer end faces of the first tubular body (1) and the second tubular body (2) at the ends of the oval sphere structure respectively.
8. The separated bin type explosion-proof functional structure body according to any one of claims 1, 2, 4, 6 or 7, wherein the separated bin type explosion-proof functional structure body is formed by combining 70-85 parts of high-density polyethylene, 10-18 parts of PE-based antimony trioxide master batches, 1-3 parts of superconducting carbon black and 2-3 parts of N, N-ethylene bis stearamide.
9. The split-bin type explosion-proof functional structure body of claim 8, wherein the content of antimony trioxide in the PE-based antimony trioxide master batch is not lower than 85% of the total content of the PE-based antimony trioxide master batch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010838017.XA CN111846674A (en) | 2020-08-19 | 2020-08-19 | Separated-bin type explosion-proof functional structural body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010838017.XA CN111846674A (en) | 2020-08-19 | 2020-08-19 | Separated-bin type explosion-proof functional structural body |
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| CN111846674A true CN111846674A (en) | 2020-10-30 |
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| CN202010838017.XA Pending CN111846674A (en) | 2020-08-19 | 2020-08-19 | Separated-bin type explosion-proof functional structural body |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0256239A1 (en) * | 1986-08-07 | 1988-02-24 | EKSPLO KONTROL Patlamayi Önleyici Maddeler Sanayi ve Ticaret A.S. | Filling material for a container for preventing explosions |
| EP0377397A2 (en) * | 1988-12-06 | 1990-07-11 | Ghaleb Mohammad Yassin Alhamad Shaikh | Composition of material for stopping fires or explosions, and method therefor |
| US20010001986A1 (en) * | 1988-12-06 | 2001-05-31 | Charles Cates | Compositions of matter for stopping fires explosions and oxidations of materials and build up of electrostatic charges |
| CN101787174A (en) * | 2009-11-05 | 2010-07-28 | 上海锦湖日丽塑料有限公司 | Low-L value inflaming retarding ABS modified resin and preparation method thereof |
| RU2410139C1 (en) * | 2009-08-03 | 2011-01-27 | Александр Макарович Матвеенко | Anti-explosive protection system and anti-explosive body |
| CN102795434A (en) * | 2012-07-05 | 2012-11-28 | 北京理工大学 | Nonmetal barrier explosion suppression ball |
| CN108790801A (en) * | 2018-06-19 | 2018-11-13 | 北京众信远新能源技术有限公司 | A kind of nonmetallic explosion-proof ball |
| US20200016441A1 (en) * | 2018-07-12 | 2020-01-16 | Response Technologies, Llc | Process of manufacturing reticulated foam products, using alternative materials |
| CN212291338U (en) * | 2020-08-19 | 2021-01-05 | 江苏翔云航空设备零部件有限公司 | Separated-bin type explosion-proof functional structural body |
-
2020
- 2020-08-19 CN CN202010838017.XA patent/CN111846674A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0256239A1 (en) * | 1986-08-07 | 1988-02-24 | EKSPLO KONTROL Patlamayi Önleyici Maddeler Sanayi ve Ticaret A.S. | Filling material for a container for preventing explosions |
| EP0377397A2 (en) * | 1988-12-06 | 1990-07-11 | Ghaleb Mohammad Yassin Alhamad Shaikh | Composition of material for stopping fires or explosions, and method therefor |
| US20010001986A1 (en) * | 1988-12-06 | 2001-05-31 | Charles Cates | Compositions of matter for stopping fires explosions and oxidations of materials and build up of electrostatic charges |
| RU2410139C1 (en) * | 2009-08-03 | 2011-01-27 | Александр Макарович Матвеенко | Anti-explosive protection system and anti-explosive body |
| CN101787174A (en) * | 2009-11-05 | 2010-07-28 | 上海锦湖日丽塑料有限公司 | Low-L value inflaming retarding ABS modified resin and preparation method thereof |
| CN102795434A (en) * | 2012-07-05 | 2012-11-28 | 北京理工大学 | Nonmetal barrier explosion suppression ball |
| CN108790801A (en) * | 2018-06-19 | 2018-11-13 | 北京众信远新能源技术有限公司 | A kind of nonmetallic explosion-proof ball |
| US20200016441A1 (en) * | 2018-07-12 | 2020-01-16 | Response Technologies, Llc | Process of manufacturing reticulated foam products, using alternative materials |
| CN212291338U (en) * | 2020-08-19 | 2021-01-05 | 江苏翔云航空设备零部件有限公司 | Separated-bin type explosion-proof functional structural body |
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