CN111424839B - Autoclaved aerated concrete explosion venting plate and manufacturing method thereof - Google Patents
Autoclaved aerated concrete explosion venting plate and manufacturing method thereof Download PDFInfo
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- CN111424839B CN111424839B CN202010378226.0A CN202010378226A CN111424839B CN 111424839 B CN111424839 B CN 111424839B CN 202010378226 A CN202010378226 A CN 202010378226A CN 111424839 B CN111424839 B CN 111424839B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
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Abstract
The invention relates to the technical field of building materials, in particular to an autoclaved aerated concrete explosion venting plate and a manufacturing method thereof. The supporting net plate is a plane net formed by a plurality of steel wires which are fixed in a criss-cross mode. The concrete layer comprises two surface layers and a middle layer fixed between the two surface layers, the surface layers and the middle layer are concrete blocks prepared by an autoclaved aerated technology, a plurality of penetrating explosion venting holes are distributed on the surface of the middle layer, and each explosion venting hole corresponds to a steel wire intersection of the supporting screen plate. The peripheral frame is a closed-loop frame body formed by enclosing a plurality of side plates, connecting holes are further formed in each side plate, and the ends of the steel wires on each side of the supporting screen plate correspondingly extend and are fixed to the connecting holes of the side plates. When explosion happens, impact air waves formed by explosion are blocked by the concrete layer and can collapse rapidly, so that the pressure in the chamber is relieved, and secondary damage is avoided.
Description
Technical Field
The invention relates to the field of building materials, in particular to an autoclaved aerated concrete explosion venting plate and a manufacturing method thereof.
Background
In a typical building structure, the wall serves only as a containment barrier, and is therefore the weakest point under the action of explosive and shock loads. Therefore, under the blast impact blast load, the wall without the blast-resistant and impact-resistant design is easy to cause the loss of personnel and articles. For example, when a factory building with potential explosion hazards, such as a chemical factory building, a boiler plant, a pharmaceutical factory, and the like, explodes, strong impact air waves are generated instantaneously, so that a building and surrounding properties are destroyed, and huge economic loss and casualties are caused.
With the enhancement of explosion-proof safety concept, people are more aware of the importance of arranging a pressure-relief explosion-proof facility on a building, for example, an explosion-relief wall plate is used as a wall body, so that impact waves formed by explosion can collapse rapidly, indoor pressure is relieved, other components are safe and free from trouble, and secondary harm is avoided.
However, most of the existing center structures of the explosion venting plates adopt rock wool structures as filling materials, so that the overall structure of the explosion venting plates is too loose. And part of the explosion venting plate is in a concrete structure, but the impact force of explosion is impacted from one side of the explosion venting plate to the other side, and when the impact force is not large enough to cause the fragmentation of one side of the concrete structure, the bearing capacity of the two sides of the explosion venting plate is uneven, so that the collapse of a wall body built by the explosion venting plate is easy to cause.
Disclosure of Invention
Aiming at the defects brought by the background technology, the invention provides an autoclaved aerated concrete explosion venting plate and a manufacturing method thereof, so as to solve the problem that the conventional explosion venting plate structure is not stable enough.
The invention adopts the following technical scheme: the utility model provides an evaporate and press aerated concrete to let out and explode board which characterized in that: comprises a supporting screen plate, a concrete layer and an outer surrounding frame,
the supporting screen plate is a plane screen formed by a plurality of steel wires which are fixed in a criss-cross mode, and the end heads of the steel wires are exposed out of the side edges of the supporting screen plate;
the concrete layer comprises two surface layers and a middle layer fixed between the two surface layers, a plurality of through explosion venting holes are distributed on the surface of the middle layer, and each explosion venting hole corresponds to a steel wire intersection of the supporting screen plate;
the peripheral frame is a closed-loop frame body formed by surrounding a plurality of side plates, each side plate is also provided with a connecting hole, each side plate corresponds to each side edge of the supporting screen plate, the ends of the steel wires on each side edge of the supporting screen plate correspondingly extend to the connecting holes of the side plates, and the ends of the steel wires are fixed in the connecting holes.
As a further improvement, the outer frame also comprises a non-woven fabric layer, and the non-woven fabric layer is covered and fixed on both surfaces of the outer frame.
As a further improvement, each side edge of the non-woven fabric layer is embedded in the peripheral frame and fixed between the side plate of the peripheral frame and the concrete layer.
As a further improvement, the steel wires of the supporting net plate penetrate through the non-woven fabric layer to the connecting holes of the side plates.
As a further improvement, the section of the side plate of the peripheral frame is C-shaped, and the edge of the non-woven fabric layer on the surface of the peripheral frame is clamped in the side plate.
As a further improvement, the steel wires at the side edges of the supporting net plate close to the outermost side are respectively and correspondingly attached to the side plates of the peripheral frame.
The manufacturing method of the autoclaved aerated concrete explosion venting plate is characterized by comprising the following steps of: the method comprises the following steps:
the method comprises the following steps: respectively preparing a middle layer and a surface layer of a concrete layer by an autoclaved aeration process, welding a plurality of steel wires in a criss-cross manner by a welding process to prepare a support screen plate, stamping and bending by a sheet metal process to prepare a side plate of a peripheral frame, and preparing a non-woven fabric layer by a blanking or cutting mode;
step two: placing a non-woven fabric layer on a platform with the area size smaller than that of the concrete layer, and then sequentially stacking a surface layer, a supporting screen plate, a middle layer, the supporting screen plate, the surface layer and the non-woven fabric layer on the non-woven fabric layer from bottom to top, wherein the ends of steel wires on each side edge of the supporting screen plate are exposed outside the surface layer and the middle layer;
step three: turning up each edge of the non-woven fabric layer at the bottom to the steel wire penetrating through the supporting screen plate, and simultaneously turning down each edge of the non-woven fabric layer at the top to the steel wire penetrating through the supporting screen plate;
step four: coating an adhesive on the surface of each side plate prepared in the first step, respectively and correspondingly packaging each side plate on a concrete layer and each side edge of a supporting screen plate, enabling the end of a steel wire of the supporting screen plate to correspondingly penetrate through a connecting hole of the side plate, welding and fixing the joint of each side plate in a full-welding mode by using an electric welding machine, and welding the end of the steel wire in the connecting hole in a spot welding mode by using the welding machine;
step five: and polishing the welding seams between the side plates, polishing the welding points at the connecting holes, and performing rust prevention treatment on the outer surfaces of the side plates to obtain the concrete explosion venting plate.
As an improvement of the manufacturing method of the autoclaved aerated concrete explosion venting plate, in the first step, the formation mode of the explosion venting holes on the middle layer of the concrete layer is as follows:
1-1; fixing a plurality of cylinders in a die cavity for manufacturing the intermediate layer, wherein the cylinders are arranged at equal intervals along the transverse and longitudinal directions;
1-2; pouring concrete raw materials into a mold cavity, performing precuring, opening the mold and taking out the middle layer;
1-3; putting the mixture into a steam curing kettle for steam curing;
1-4; and taking out of the kettle to obtain the intermediate layer.
In the first step, the outer edges of the side edges of the non-woven fabric layer are simultaneously punched or cut to form through holes; and in the third step, the non-woven fabric layer is turned upwards or downwards, and then the through holes correspondingly penetrate through the steel wires of the supporting screen plate.
In the second step, the surface layer and the non-woven fabric layer, the surface layer and the support screen plate and the middle layer are fixedly connected by coating adhesives.
From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: the concrete layer comprises two surface layers and a middle layer fixed between the two surface layers, and the invention fixes a support screen plate in the concrete layer (namely two sides of the middle layer), and simultaneously, the support screen plate is fixedly connected with the peripheral frame, and the structure can improve the integral structural strength of the explosion venting plate. The surface of the middle layer is provided with a plurality of through explosion venting holes, the impact area of the middle layer can be reduced through the explosion venting holes, meanwhile, each explosion venting hole corresponds to the steel wire intersection of the supporting screen plate, the structure can disperse the pressure of the middle layer to the supporting screen plate, and equivalently, the bearing capacity of the middle layer is improved from the side surface. When one of the two face layers is cracked due to impact force, part of the rest impact force can be transmitted to the other face layer through each explosion venting hole, so that the two face layers are cracked in advance, and the middle layer fixed in the middle of the inner part of the peripheral frame is cracked finally. Therefore, under the condition of bearing the same impact force, compared with a mode that one side of the concrete layer is cracked to cause one side of the peripheral frame to lose bearing capacity, the mode can enable the middle layer to support the middle of the peripheral frame, so that the supports on two sides of the peripheral frame are kept balanced, the peripheral frame is prevented from deforming, and the collapse of the wall body built by the explosion venting plate is effectively avoided.
Drawings
Fig. 1 is a schematic view of the overall structure of the explosion venting plate of the present invention.
Fig. 2 is an enlarged view of direction a in fig. 1.
Fig. 3 is a schematic side cross-sectional view of a explosion venting plate of the present invention.
Fig. 4 is a side view of the vent panel of the present invention after disassembly.
Fig. 5 is a schematic structural view of the explosion venting plate hiding the front side plate, the upper surface layer and the non-woven fabric layer.
Fig. 6 is an enlarged view of the direction B in fig. 5.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in attached figures 1, 3 and 4, the autoclaved aerated concrete explosion relief plate comprises a supporting mesh plate 3, a concrete layer 2, a non-woven fabric layer 4 and an outer peripheral frame 1.
As shown in fig. 5, the supporting mesh plate 3 is a planar mesh formed by welding a plurality of steel wires 31 in a criss-cross manner, and the ends of each steel wire 31 are exposed at the side of the supporting mesh plate 3.
As shown in fig. 3 and 4, the concrete layer 2 includes two surface layers 21 and an intermediate layer 22 fixed between the two surface layers 21, and both the surface layer 21 and the intermediate layer 22 are autoclaved aerated concrete blocks. The supporting screen plates 3 are arranged between the two surface layers 21 and the middle layer 22, and in the structure, because the two side surfaces of the middle layer 22 are the supporting screen plates 3, the supporting screen plates 3 can effectively fix the middle layer 22, so that after the middle layer 22 is cracked, a certain integrity can be still ensured, and the peripheral frame 1 is supported, so that the peripheral frame can bear the pressure from top to bottom to a certain extent.
As shown in fig. 3 and 4, the surface of the middle layer 22 is distributed with a plurality of through explosion venting holes 23, the explosion venting holes 23 can reduce the impacted area of the middle layer 22, and the impact force of one surface layer 21 can be transmitted to the other surface layer 21 through the explosion venting holes 23, specifically, when explosion occurs, the concrete layer 2 is impacted and the one surface layer 21 is cracked, part of the rest impact force can be transmitted to the other surface layer 21 through each explosion venting hole 23, so that the two surface layers 21 are cracked in advance, and the middle layer 22 fixed in the middle inside the peripheral frame 1 is cracked finally, thus the impact blast wave formed by explosion can be blocked by the concrete layer to be collapsed quickly, the pressure in the chamber is relieved, and secondary damage is avoided. Moreover, under the condition of bearing the same impact force, compared with the mode that one side of the concrete layer is cracked to cause one side of the peripheral frame to lose the bearing capacity, the mode can lead the middle layer 22 to support the middle of the peripheral frame, thereby leading the two side supports of the peripheral frame 1 to keep balance and avoiding the deformation of the peripheral frame 1 to cause the toppling of the explosion venting plate. Moreover, the three-layer structure of the concrete layer 2 can be equivalent to a triple explosion venting barrier, and is cracked layer by layer when impacted, so that the effect of buffering is achieved, and the explosion venting effect is better compared with that of a traditional single-layer explosion venting barrier structure.
In addition, as shown in the enlarged part of fig. 5, each of the explosion venting holes 23 corresponds to the intersection of the steel wires of the supporting mesh plate 3, and since the explosion venting holes 23 are formed in the intermediate layer 22, the overall strength of the intermediate layer 22 is reduced, and the bearing capacity of the intermediate layer is reduced, the structure of each explosion venting hole 23 corresponding to the intersection of the steel wires of the supporting mesh plate 3 can disperse the pressure of the intermediate layer 22 to the supporting mesh plate 3, which is equivalent to laterally improving the bearing capacity of the intermediate layer 22.
The peripheral frame 1 is a closed-loop frame body formed by sequentially welding a plurality of side plates 11 end to end in a surrounding mode, the cross section of each side plate 11 of the peripheral frame is C-shaped, and a folded edge 13 shown in the attached drawing 2 is formed specifically. Each side plate 11 is provided with a connecting hole 12, and each side plate 11 corresponds to each side surface of the support screen plate 3 and the concrete layer 2, as shown in enlarged parts of fig. 3 and fig. 5, the ends of the steel wires 31 on each side of the support screen plate 3 correspondingly extend into the connecting holes 12 of the side plates 11, and the ends of the steel wires 31 are welded and fixed in the connecting holes 12, so that the peripheral frame 1 and the support screen plate 3 can form a complete and stable whole. Meanwhile, referring to fig. 5, after the supporting mesh plate 3 is installed in the peripheral frame 1, the steel wires 31 near the outermost side of each side of the supporting mesh plate 3 are respectively and correspondingly attached to the side plates 11 of the peripheral frame 1, and in this structure, the steel wires 32 near the outermost side can effectively bear the pressure formed by extruding the side plates 11 by external force, so that the peripheral frame 1 and the supporting mesh plate 3 form a stable frame structure.
As shown in fig. 2 to 4, the non-woven fabric layer 4 covers both surfaces of the peripheral frame 1, and each side edge of the non-woven fabric layer 4 is folded and embedded between the side plate 11 of the peripheral frame 1 and the concrete layer 2, and the folded edge 13 of the side plate 11 can press the non-woven fabric layer 4 against the surface of the concrete layer 2, that is, the side plate 11 locks the edge of the non-woven fabric layer 4 on the surface of the peripheral frame 1 therein, so that the non-woven fabric layer 4 can be fixed and attached to the surface of the concrete layer 2 (i.e., the surface layer 21) by this structure. In addition, referring to fig. 6 again, the edges of each side of the non-woven fabric layer 4 are provided with a plurality of through holes 41, and each through hole 41 correspondingly penetrates through the steel wires 31 of the support net plate 3, so that each edge of the non-woven fabric layer is effectively fixed between the side plate 11 of the peripheral frame 1 and the concrete layer 2. When the impact force is applied, the steel wires 31 of the supporting net plate 3 hook the through holes 41 of the non-woven fabric layer 4, so that the non-woven fabric layer 4 is prevented from separating and flying out of the peripheral frame 1 under the impact force. In the structure of the fixed non-woven fabric layer 4, the concrete layer 2 and the supporting mesh plate 3 can be limited to the peripheral frame 1 through the two non-woven fabric layers 4, when impact force acts on the explosion venting plate to enable the concrete layer 2 to be completely cracked, the non-woven fabric layers 4 can intercept fragments of the concrete layer 2, the diffusion range of the fragments splashed after the concrete layer 2 is cracked is effectively restrained, and therefore the danger caused by the splashed fragments is reduced.
The manufacturing method of the autoclaved aerated concrete explosion venting plate is characterized by comprising the following steps of: the method comprises the following steps:
the method comprises the following steps: respectively preparing the middle layer 22 and the surface layer 21 of the concrete layer 2 by an autoclaved aeration process, welding a plurality of steel wires 31 in a criss-cross manner by a welding process to prepare the supporting mesh plate 3, stamping and bending by a sheet metal process to prepare the side plate 11 of the peripheral frame 1, and blanking or cutting to prepare the non-woven fabric layer 4. The outer edges of the sides of the nonwoven fabric layer 4 are simultaneously punched or cut to form through holes 41. The intermediate layer 22 of the concrete layer 2 is produced in the following way:
1-1; fixing a plurality of cylinders in a die cavity for manufacturing the middle layer 22, wherein the cylinders are arranged at equal intervals along the transverse and longitudinal directions and can be pipe fitting profiles;
1-2; pouring concrete raw materials into a mold cavity, opening the mold after precuring, and taking out the intermediate layer 22, wherein the cylinder is a filler for forming the explosion venting hole 23;
1-3; putting the mixture into a steam curing kettle for steam curing;
1-4; and taking out of the kettle to obtain the intermediate layer.
The facing layer 21 is made in the same manner as described above for the intermediate layer 22, except that no cylindrical body is used for the facing layer 21.
Step two: a non-woven fabric layer 4 is placed on a platform with the area size smaller than that of a concrete layer 2, a surface layer 21, a supporting screen plate 3, a middle layer 22, a supporting screen plate 3, the surface layer 21 and the non-woven fabric layer 4 are sequentially superposed on the non-woven fabric layer 4 from bottom to top, and after superposition, the ends of steel wires 31 on all sides of the supporting screen plate 3 are exposed out of the surface layer 21 and the middle layer 22. In the process of overlaying, the surface layer 21 and the non-woven fabric layer 4, the surface layer 21 and the supporting screen plate 3 and the middle layer 22 are fixedly connected through coating adhesives, and the concrete layer 2, the supporting screen plate 3 and the non-woven fabric layer 4 are effectively fixed in this way, so that a whole is formed.
Step three: turning up each edge of the non-woven fabric layer 4 at the bottom, so that the through holes 41 at the edge of the non-woven fabric layer 4 correspondingly penetrate through the steel wires 31 of the supporting screen plate 3; similarly, the edges of the top non-woven fabric layer 4 are folded downwards to the steel wires 31 passing through the support screen 3, so that the through holes on the edges of the non-woven fabric layer 4 correspondingly pass through the steel wires 31 of the support screen 3.
Step four: the surface of each side plate 11 is prepared in the first step and is coated with the adhesive, the surface of each side plate 11 coated with the adhesive is correspondingly packaged on each side surface of the concrete layer 2 and the supporting screen plate 3, and the ends of the steel wires 31 of the supporting screen plate 3 correspondingly penetrate through the connecting holes 12 of the side plates 11. After the side plates 11 are connected, the joints of the side plates 11 are welded and fixed in a full-welding mode through an electric welding machine, the ends of the steel wires 31 are welded in the connecting holes 12 in a spot welding mode through the welding machine, the supporting net plate 3 and the peripheral frame 1 are fixed with each other through the mode, and the concrete layer 2 and the non-woven fabric layer 4 are limited in the peripheral frame 1 through the folded edges 13 of the side plates 11, so that the peripheral frame 1, the concrete layer 2, the supporting net plate 3 and the non-woven fabric layer 4 can be fixed into a whole.
Step five: and polishing the welding seams between the side plates 11 and the side plates 11, polishing welding points at the connecting holes 12, and performing anti-rust treatment on the outer surfaces of the side plates 11 to obtain the concrete explosion venting plate, wherein the welding seams between the side plates 11 and the concrete explosion venting plate are polished and the welding points at the connecting holes 12 are polished, so that the outer side of the peripheral frame 1 can form a flat surface to facilitate the building of the explosion venting plate.
The autoclaved aerated concrete explosion venting plate can be prepared quickly and conveniently by the method, and is convenient for batch production, so that the production efficiency of the autoclaved aerated concrete explosion venting plate can be improved.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (10)
1. The utility model provides an evaporate and press aerated concrete to let out and explode board which characterized in that: comprises a supporting screen plate, a concrete layer and an outer surrounding frame,
the supporting screen plate is a plane screen formed by a plurality of steel wires which are fixed in a criss-cross mode, and the end heads of the steel wires are exposed out of the side edges of the supporting screen plate;
the concrete layer comprises two surface layers and a middle layer fixed between the two surface layers, a plurality of through explosion venting holes are distributed on the surface of the middle layer, and each explosion venting hole corresponds to a steel wire intersection of the supporting screen plate;
the peripheral frame is a closed-loop frame body formed by surrounding a plurality of side plates, each side plate is also provided with a connecting hole, each side plate corresponds to each side edge of the supporting screen plate, the ends of the steel wires on each side edge of the supporting screen plate correspondingly extend to the connecting holes of the side plates, and the ends of the steel wires are fixed in the connecting holes.
2. The autoclaved aerated concrete explosion relief plate according to claim 1, characterized in that: the outer frame is characterized by also comprising a non-woven fabric layer, and the non-woven fabric layer covers and is fixed on both surfaces of the outer frame.
3. The autoclaved aerated concrete explosion relief plate according to claim 2, characterized in that: each side edge of the non-woven fabric layer is embedded into the peripheral frame and is fixed between the side plate of the peripheral frame and the concrete layer.
4. The autoclaved aerated concrete explosion relief plate according to claim 3, characterized in that: and the steel wires of the supporting net plate penetrate through the non-woven fabric layer to the connecting holes of the side plates.
5. The autoclaved aerated concrete explosion relief plate according to claim 3, characterized in that: the cross section of the side plate of the peripheral frame is C-shaped, and the edge of the non-woven fabric layer on the surface of the peripheral frame is clamped in the side plate.
6. The autoclaved aerated concrete explosion relief plate according to claim 1, characterized in that: and the steel wires at the side edges of the supporting screen plate close to the outermost side are correspondingly attached to the side plates of the peripheral frame respectively.
7. The manufacturing method of the autoclaved aerated concrete explosion venting plate is characterized by comprising the following steps of: the method comprises the following steps:
the method comprises the following steps: respectively preparing a middle layer and a surface layer of a concrete layer by an autoclaved aeration process, welding a plurality of steel wires in a criss-cross manner by a welding process to prepare a support screen plate, stamping and bending by a sheet metal process to prepare a side plate of a peripheral frame, and preparing a non-woven fabric layer by a blanking or cutting mode;
step two: placing a non-woven fabric layer on a platform with the area size smaller than that of the concrete layer, and then sequentially stacking a surface layer, a supporting screen plate, a middle layer, the supporting screen plate, the surface layer and the non-woven fabric layer on the non-woven fabric layer from bottom to top, wherein the ends of steel wires on each side edge of the supporting screen plate are exposed outside the surface layer and the middle layer;
step three: turning up each edge of the non-woven fabric layer at the bottom to the steel wire penetrating through the supporting screen plate, and simultaneously turning down each edge of the non-woven fabric layer at the top to the steel wire penetrating through the supporting screen plate;
step four: coating an adhesive on the surface of each side plate prepared in the first step, respectively and correspondingly packaging each side plate on a concrete layer and each side edge of a supporting screen plate, enabling the end of a steel wire of the supporting screen plate to correspondingly penetrate through a connecting hole of the side plate, welding and fixing the joint of each side plate in a full-welding mode by using an electric welding machine, and welding the end of the steel wire in the connecting hole in a spot welding mode by using the welding machine;
step five: and polishing the welding seams between the side plates, polishing the welding points at the connecting holes, and performing rust prevention treatment on the outer surfaces of the side plates to obtain the concrete explosion venting plate.
8. The manufacturing method of the autoclaved aerated concrete explosion venting plate according to claim 7, characterized by comprising the following steps: in the first step, the formation mode of the explosion venting holes on the middle layer of the concrete layer is as follows:
1-1; fixing a plurality of cylinders in a die cavity for manufacturing the intermediate layer, wherein the cylinders are arranged at equal intervals along the transverse and longitudinal directions;
1-2; pouring concrete raw materials into a mold cavity, performing precuring, opening the mold and taking out the middle layer;
1-3; putting the mixture into a steam curing kettle for steam curing;
1-4; and taking out of the kettle to obtain the intermediate layer.
9. The manufacturing method of the autoclaved aerated concrete explosion venting plate according to claim 7, characterized by comprising the following steps: in the first step, the outer edges of the side edges of the non-woven fabric layer are simultaneously blanked or cut to form through holes; and in the third step, the non-woven fabric layer is turned upwards or downwards, and then the through holes correspondingly penetrate through the steel wires of the supporting screen plate.
10. The manufacturing method of the autoclaved aerated concrete explosion venting plate according to claim 7, characterized by comprising the following steps: in the second step, the surface layer and the non-woven fabric layer, the surface layer and the support screen plate and the middle layer are fixedly connected through coating adhesives.
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| CN202010378226.0A CN111424839B (en) | 2020-05-07 | 2020-05-07 | Autoclaved aerated concrete explosion venting plate and manufacturing method thereof |
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| CN202010378226.0A CN111424839B (en) | 2020-05-07 | 2020-05-07 | Autoclaved aerated concrete explosion venting plate and manufacturing method thereof |
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| CN111945927A (en) * | 2020-08-17 | 2020-11-17 | 西南科技大学 | Construction method of anti-knock and anti-impact composite wallboard |
| CN111962760A (en) * | 2020-08-17 | 2020-11-20 | 西南科技大学 | Anti-knock and anti-impact composite wallboard |
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| CN204282638U (en) * | 2014-12-08 | 2015-04-22 | 山东天玉墙体材料有限公司 | A kind of autoclaved lightweight aerated concrete venting of dust explosion wallboard |
| CN104481043B (en) * | 2014-12-09 | 2017-06-09 | 山东宏德新材料有限公司 | A kind of venting of dust explosion plate and preparation method thereof |
| RU2622268C1 (en) * | 2016-05-10 | 2017-06-13 | Олег Савельевич Кочетов | Kochetov's anti-explosion panel with security indicator |
| KR20190113406A (en) * | 2018-03-28 | 2019-10-08 | 세보테크 주식회사 | Blast Relief Wall Structure |
| CN209686626U (en) * | 2019-02-28 | 2019-11-26 | 郑州安筑实业有限公司 | A kind of fire prevention venting of dust explosion plate |
| CN110952686B (en) * | 2019-11-01 | 2021-09-14 | 中冶建筑研究总院有限公司 | Emergent antiknock wall body |
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