Emergency anti-explosion and anti-impact protection system and method for ground energy facilities

Abstract

The invention discloses an emergency anti-explosion and anti-impact protection system and method for ground energy facilities, and relates to the field of energy facility protection structure design. The protection structure is composed of three parts, namely a gradient foamed aluminum sandwich shed roof, a metal box body and an anti-explosion rack car. The invention designs an emergency protection structure for resisting shell explosion impact and high-speed fragment impact by taking the actual situation that energy facilities are frequently hit in modern wars as an engineering background. In the structural form, the device has the function of quickly setting up emergency, protects ground energy facilities, key transmission pipelines, control valves and the like, and fills up the blank of'no protection 'of the energy facilities. The emergency protection structure has the engineering application advantages of being rapid to build, resistant to explosion and impact, light, low in cost and the like, meanwhile, the emergency protection structure can be used for resisting shell explosion impact and high-speed fragment impact, the blank of emergency protection of energy supporting facilities, transmission pipelines and control valves is filled up, and good application prospects are achieved.

Description

Technical Field

[0001] The present invention belongs to the field of protective structure design for energy facilities, and particularly relates to an emergency anti-explosion and anti-impact protection system and method for ground energy facilities. Background Art

[0002] In modern wars in recent years, energy sources such as oil depots have become one of the main attack targets on the battlefield. The combustion and explosion of oil storage tank groups will cause huge casualties and substantial economic losses, seriously threatening the war logistics support. In the energy reserve projects in China in recent years, a large number of underground energy storage tanks have been used. In this case, the ground energy supporting facilities, pipelines, control valves, etc. have become conspicuous targets for attack. If the ground energy supporting facilities, pipelines, and control valves are damaged, the transmission of energy becomes a problem, and the battlefield situation is also greatly affected. In addition, it is also easy to cause large-scale explosions of energy storage tanks. Among the protective structures that have been publicly disclosed at home and abroad, there is no anti-strike protective structure for ground energy supporting facilities in the case of emergency response. Compared with the existing protection in the case of fire, the main types of threats considered are very different, including explosion shock waves generated by the explosion of unmanned aerial vehicle ammunition, high-speed fragments, etc. The existing protective structures cannot meet the protection requirements and cannot meet the rapid response requirements for emergency response. Summary of the Invention

[0003] In order to solve the technical problems that the protective structure of energy facilities cannot meet the protection requirements and cannot meet the rapid response requirements for emergency response, the present invention provides an emergency anti-explosion and anti-impact protection system and method for ground energy facilities. The protective structure of the present invention has the function of rapid erection for emergency response in terms of form, protects ground energy facilities, key transmission pipelines, control valves, etc., and fills the gap of "no protection" for energy facilities.

[0004] An emergency anti-explosion and anti-impact protection system for ground energy facilities of the present invention is characterized in that it includes a gradient foam aluminum sandwich roof, a metal box body, and an anti-explosion rack truck;

[0005] The gradient foam aluminum sandwich roof includes a left roof of density-gradient increasing foam aluminum sandwich, a first movable corner piece, and a right roof of density-gradient increasing foam aluminum sandwich; both the left roof of density-gradient increasing foam aluminum sandwich and the right roof of density-gradient increasing foam aluminum sandwich are composed of a metal surface backboard and a foam aluminum core layer; the right roof of density-gradient increasing foam aluminum sandwich is provided with threaded holes on one side close to the left roof of density-gradient increasing foam aluminum sandwich and threaded holes on the other side, and the left roof of density-gradient increasing foam aluminum sandwich is symmetrically provided with the same threaded holes, and the left roof of density-gradient increasing foam aluminum sandwich is connected to the right roof of density-gradient increasing foam aluminum sandwich through the first movable corner piece;

[0006] The described metal box body is composed of four box body vertical plates, two box body top covers and four second movable corner pieces; the box body vertical plates are composed of metal straight plates, metal wedge-shaped feet and first threaded holes; the four box body vertical plates are arranged in pairs opposite to each other to enclose the metal box body, and a plurality of wedge-shaped feet are evenly distributed on the outer side of the bottom of each box body vertical plate; each box body vertical plate is provided with two second movable corner pieces, and the second movable corner pieces are composed of a fixed end and a movable end with a through hole. The fixed end is fixedly connected to the box body top cover, and the movable end with a through hole is connected to the threaded hole for connecting the gradient aluminum foam sandwich roof and the metal box body;

[0007] The first through hole and the second through hole are respectively arranged on the side wall of the box body top cover;

[0008] The described anti-explosion carrier vehicle is composed of a carrier vehicle keel, an upper limit cover plate, a rubber water storage bag, a lower limit plate and a thin-walled round tube; the carrier vehicle keel is composed of a beam structure metal skeleton, a front metal plate and a rear metal plate; the front metal plate and the rear metal plate are respectively connected to the beam structure metal skeleton; moving wheels are installed under the carrier vehicle keel; a first threaded hole is opened on the rear metal plate for connecting with the through hole; the lower limit plate is composed of an open-hole straight plate and an externally threaded thin-walled round tube; the open-hole straight plate is installed on the beam structure metal skeleton and is welded to the bottom metal beam of the carrier vehicle keel, and the externally threaded thin-walled round tube is welded to the open-hole straight plate. The externally threaded thin-walled round tube is connected with the internal thread at the bottom of the thin-walled round tube vertically arranged on the carrier vehicle keel. A round hole is opened on the upper limit cover plate, and its structural dimensions, hole opening positions and welding connection forms are the same as those of the lower limit plate. The difference is that the upper limit cover plate has no thread. During use, the top of the thin-walled round tube is placed in the round hole of the upper limit cover plate for limiting and fixing.

[0009] The described beam structure metal skeleton is composed of a metal beam structure, and a plurality of cross beams are welded at the bottom to enhance the bending resistance of the structure; the front and rear metal plates are also welded to the carrier vehicle keel, and a plurality of cross beams are added to enhance the bending strength; "X"-shaped metal beams are added to the side of the carrier vehicle keel to enhance the stability of the carrier vehicle keel. The specific energy absorption of the thin-walled steel pipe structure is better than that of the solid steel pipe, which is beneficial to reducing the weight of the protection system and improving the anti-explosion performance of the structure; the rubber water storage bag is designed as Figure 9 shown, the inner diameter of the rubber water storage bag is the same as that of the thin-walled round tube, and the rubber water storage bag is sleeved on the thin-walled round tube.

[0010] Further, the aluminum foam core layer is composed of three layers of aluminum foam with increasing density from top to bottom.

[0011] Further, a through hole is opened on one side of the movable corner piece, and the through hole communicates with the threaded hole.

[0012] Further, a handle is welded on the outer surface of the front metal plate for easy pushing and pulling. A second threaded hole is opened on the rear metal plate for connecting with the through hole.

[0013] Further, the rubber water storage bag is made of thin-walled rubber material and consists of a rubber water storage bag body and a threaded piston.

[0014] Further, the four corners of the upper limit cover plate are provided with second threaded holes and are connected to the car body keel through bolts.

[0015] Further, there are two rows of holes on the perforated straight plate, which are arranged in a staggered manner to prevent the explosion shock wave from being conducted through the gap.

[0016] An installation method of an emergency anti-explosion and anti-impact protection system for ground energy facilities according to the present invention is as follows:

[0017] Step 1: Fix the lower limit plate to the car body keel;

[0018] Step 2: Connect the bottom of the thin-walled round tube to the lower limit plate and the top to the upper limit cover plate;

[0019] Step 3: Complete the filling of the rubber water storage bag. The inner diameter of the rubber water storage bag should be the same as the outer diameter of the thin-walled round tube, and test the matching degree of the inner diameter and the outer diameter of the thin-walled round tube;

[0020] Step 4: After assembling the metal box body, weld the box body top cover and the movable corner piece according to the position, and weld the left roof of the foam aluminum sandwich with increasing density gradient and the movable corner piece according to the position;

[0021] Step 5: Connect the left and right roofs of the foam aluminum sandwich with increasing density gradient by bolts to complete the assembly of the gradient foam aluminum sandwich roof and complete the preparation for pre-installing the protection structure.

[0022] An anti-explosion and anti-impact method of an emergency anti-explosion and anti-impact protection system for ground energy facilities according to the present invention is carried out in an emergency situation:

[0023] Step 1: Put the rubber water storage bag on the thin-walled round tube according to the position;

[0024] Step 2: Buckle the upper limit cover plate on the thin-walled round tube and connect it through the threaded hole;

[0025] Step 3: Select a building point around the key energy facilities to be protected and place the box body vertical plate;

[0026] Step 4: Connect the box body top cover to the box body vertical plate through the second through hole and the threaded hole;

[0027] Step 5: Push the anti-explosion car from the open side of the metal box body and complete the connection and fixation through the first through hole and the second threaded hole;

[0028] Step 6: Hoist the gradient foam aluminum sandwich roof and connect it to the movable corner piece to complete the construction of the emergency anti-explosion and anti-impact protection structure.

[0029] Furthermore, for the rubber water storage bag body and the threaded piston, during use, water is filled through the water injection hole on the surface of the rubber water storage bag, and after filling, the threaded piston is tightened for use.

[0030] Advantages of the present invention:

[0031] Based on the actual situation that energy facilities are frequently attacked in modern warfare, the present invention designs an emergency protection structure for resisting the impact of shell explosions and high-speed fragment impacts. In terms of its structural form, it has the function of quickly building for emergency response, protecting ground energy facilities, key transmission pipelines, control valves, etc., and filling the gap of "no protection" for energy facilities.

[0032] The protection structure of the present invention consists of three parts, as Figure 1 shown, namely the gradient aluminum foam sandwich roof, the metal box body, and the anti-explosion vehicle. The front view is as Figure 2 shown, and the cross-sectional view is as Figure 3 shown.

[0033] The core concept of the present invention mainly focuses on: quick construction, anti-explosion and anti-impact, light weight, and low cost. Rubber water storage bags are placed in the anti-explosion vehicle by position, and are paired with hollow thin-walled round tubes. On the basis of meeting the anti-explosion and anti-impact capabilities, the structural weight and cost are reduced. The system design of the vehicle can meet the quick movement and construction under emergency conditions, saving manpower and time. The vehicle is connected to the external detachable box body to fix the position, and movable angle pieces are welded on the top of the metal box body to meet the installation of the protection structure under different spans of energy facilities. The gradient aluminum foam sandwich roof is connected to the movable angle pieces to complete the construction of the protection structure. The gradient aluminum foam sandwich roof is a foam aluminum sandwich structure with an increasing density gradient. Such a protection design effectively improves the energy absorption of the structure under the explosion shock load, and the foam aluminum has high temperature resistance, meeting the use environment under emergency conditions. Such a structural design not only has good protection characteristics, but also fills the gap in the emergency protection of energy storage tanks compared with the existing protection structures.

[0034] The present invention has engineering application advantages such as quick construction, anti-explosion and anti-impact, light weight, and low cost. At the same time, it is an emergency protection structure that can be used to resist the impact of shell explosions and high-speed fragment impacts, filling the gap in the emergency protection of energy supporting facilities, transmission pipelines, and control valves, and having good application prospects. Description of the Drawings

[0035] Figure 1 It is an emergency anti-explosion and anti-impact protection structure for a ground energy facility. The structure consists of three parts, as Figure 1 shown, namely the gradient aluminum foam sandwich roof 1, the metal box body 2, and the anti-explosion vehicle 3;

[0036] Figure 2It is the front view of an emergency blast and impact protection structure for a ground energy facility;

[0037] Figure 3 It is the sectional view of an emergency blast and impact protection structure for a ground energy facility;

[0038] Figure 4 They are the front view and bottom view of a gradient aluminum foam sandwich roof;

[0039] Figure 5 They are the detailed schematic diagrams of each component of the gradient aluminum foam sandwich roof;

[0040] Figure 6 They are the front view and 3D view of a metal box body;

[0041] Figure 7 They are the detailed schematic diagrams of each component of the metal box body;

[0042] Figure 8 They are the 3D views of an anti-explosion trolley, where Figure 8 (b) is the 3D view without a rubber water storage bag installed;

[0043] Figure 9 They are the detailed schematic diagrams of each component of the anti-explosion trolley;

[0044] Figure 10 It is the numerical simulation diagram of the explosion shock of the protection system in the embodiment. Detailed implementation manners

[0045] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer and more understandable, the spirit of the content disclosed by the present invention will be described in detail below. After any person skilled in the art in the technical field understands the embodiments of the content of the present invention, they can make changes and modifications based on the technology taught by the content of the present invention, which do not deviate from the spirit and scope of the content of the present invention.

[0046] The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not limit the present invention.

[0047] Embodiment

[0048] This embodiment takes the actual situation where energy facilities are frequently attacked in modern warfare as the engineering background and designs an emergency protection structure for resisting the explosion shock of shells and the impact of high-speed fragments. Its structural form has the function of quickly building for emergency response, protecting ground energy facilities, key transmission pipelines, control valves, etc., and filling the gap of "no protection" for energy facilities. The protection structure of this embodiment consists of three parts, as Figure 1 shown, namely the gradient aluminum foam sandwich roof 1, the metal box body 2, and the anti-explosion trolley 3. The front view is as Figure 2 shown, and the sectional view is asFigure 3 as shown

[0049] Fabrication and pre-installation:

[0050] Step 1: Complete the machining of each component, weld and fix the front and rear metal plates 3-6 and 3-7 of the car lifting frame to the car lifting frame, and weld and fix the lower limit plate 3-4 with the machined external thread to the car lifting frame keel;

[0051] Step 2: Test the thread matching degree between the thin-walled round tube 3-5 and the lower limit plate 3-4, and test the hole diameter matching degree between the thin-walled round tube 3-5 and the upper limit cover plate 3-2;

[0052] Step 3: Complete the filling of the rubber water storage bag 3-3, and test the matching degree between the inner diameter and the outer diameter of the thin-walled round tube 3-5;

[0053] Step 4: Weld the box top cover 2-2 and the movable corner piece 2-3 in place, and weld the left roof of the foam aluminum sandwich with increasing density gradient and the movable corner piece 1-3 in place;

[0054] Step 5: Connect the left and right roofs with bolts, complete the assembly of the gradient foam aluminum sandwich roof 1, and complete the preparation for pre-installing the protection structure.

[0055] Usage steps in case of emergency:

[0056] Step 1: As Figure 8 shown, place the rubber water storage bag 3-3 on the thin-walled round tube 3-5 in place;

[0057] Step 2: Buckle the upper limit cover plate 3-2 on the thin-walled round tube 3-5 and connect through the threaded hole 3-14;

[0058] Step 3: Select a building point around the key energy facilities to be protected and place the box vertical plate 2-1;

[0059] Step 4: Connect the box top cover 2-2 to the box vertical plate 2-1 through the through hole 2-7 and the threaded hole 2-5, and assemble as Figure 6 shown;

[0060] Step 5: Push the blast-resistant car lifting frame 3 into the metal box 2 from the open side and complete the connection and fixation through the through hole 2-6 and the threaded hole 3-8;

[0061] Step 6: Lift the gradient foam aluminum sandwich roof 1 and connect it to the movable corner piece 2-3 to complete the construction of the emergency blast-resistant and impact-resistant protection structure, as Figure 1 shown.

[0062] Use the ls-dyna software to conduct a numerical simulation of the 50g equivalent TNT explosion shock. The structure is a density gradient foam structure. The numerical simulation results of the protection system in this embodiment are as Figure 10As shown, the total energy absorption of the density gradient increasing configuration is better than that of the density gradient decreasing configuration. Under the action of an explosive shock load, the weaker core in the upper layer is beneficial to reducing the transfer of the explosive impulse, and the failure mode of layer-by-layer destruction improves the energy absorption capacity of the structure.

Claims

1. An emergency explosion and impact protection system for ground energy facilities, characterized in that It comprises a gradient foam aluminum sandwich roof (1), a metal box (2) and an explosion-proof frame vehicle (3); The gradient foam aluminum sandwich roof (1) comprises a left foam aluminum sandwich roof with a gradient density increase, a first movable corner piece (1-3) and a right foam aluminum sandwich roof with a gradient density increase; the left foam aluminum sandwich roof with a gradient density increase and the right foam aluminum sandwich roof with a gradient density increase are both composed of a metal back plate (1-1) and a foam aluminum core layer (1-2); a threaded hole (1-4) is provided on one side of the right foam aluminum sandwich roof close to the left foam aluminum sandwich roof with a gradient density increase, and a threaded hole (1-5) is provided on the other side; the left foam aluminum sandwich roof with a gradient density increase is symmetrically provided with the same threaded holes (1-5); the left foam aluminum sandwich roof with a gradient density increase is connected to the right foam aluminum sandwich roof with a gradient density increase via the first movable corner piece (1-3); The metal box (2) is composed of four box uprights (2-1), two box top covers (2-2) and four second movable corner pieces (2-3); the box uprights (2-1) are composed of metal straight plates, metal wedge-shaped feet (2-4) and first threaded holes (2-5); the four box uprights (2-1) are arranged opposite to each other in pairs to enclose the metal box (2), and a plurality of wedge-shaped feet (2-4) are evenly distributed on the outer side of the bottom of each box upright (2-1); each box upright (2-1) is provided with two second movable corner pieces (2-3), and the second movable corner pieces (2-3) are composed of a fixed end (2-8) and a movable end with a through hole (2-9), the fixed end (2-8) is fixedly connected to the box top cover (2-2), and the movable end with a through hole (2-9) is connected to the threaded hole (1-5), and is used for connecting the gradient foam aluminum sandwich roof (1) and the metal box (2); The first through hole (2-6) and the second through hole (2-7) are respectively arranged on the side wall of the box top cover (2-2); The explosion-proof trolley (3) is composed of a trolley keel (3-1), an upper limit cover plate (3-2), a rubber water storage bag (3-3), a lower limit plate (3-4) and a thin-walled round tube (3-5); the trolley keel (3-1) is composed of a beam structure metal frame, a front metal plate and a rear metal plate; the front metal plate and the rear metal plate are respectively connected to the beam structure metal frame; a moving wheel is installed under the trolley keel (3-1); the rear metal plate (3-7) is provided with a first threaded hole (3-8) for connecting with the through hole (2-6); the lower limit plate (3-4) is composed of a straight plate (3-9) with a hole and a The invention relates to a thin-walled circular tube (3-10) with an external thread; a straight plate (3-9) with a hole is installed on the metal frame of the beam structure and is welded to the metal beam at the bottom of the trolley keel (3-1); the thin-walled circular tube (3-10) with an external thread is welded to the straight plate (3-9) with a hole; the thin-walled circular tube (3-10) with an external thread is connected to the bottom of a thin-walled circular tube (3-5) vertically arranged on the trolley keel (3-1) by internal thread; a rubber water storage bag (3-3) is sleeved on the thin-walled circular tube (3-5); a circular hole is opened on the upper limit cover plate (3-2); the top of the thin-walled circular tube (3-5) is placed in the circular hole of the upper limit cover plate (3-2) and is fixedly connected.

2. The ground energy facility emergency explosion and impact protection system according to claim 1 is characterized in that The foam aluminum core layer (1-2) is composed of three layers of foam aluminum with increasing density from top to bottom.

3. The ground energy facility emergency explosion and impact protection system according to claim 1 is characterized in that A through hole is provided on one side of the movable angle piece (1-3), and the through hole is communicated with the threaded hole (1-4).

4. The ground energy facility emergency explosion and impact protection system according to claim 1 is characterized in that A handle is welded on the outer surface of the front metal plate (3-6) to facilitate pushing and pulling, and a second threaded hole (3-8) is opened on the rear metal plate (3-7) to be connected to the through hole (2-6).

5. The ground energy facility emergency explosion and impact protection system according to claim 1 is characterized in that The rubber water storage bag (3-3) is made of thin-walled rubber material and is composed of a rubber water storage bag body (3-12) and a threaded piston (3-13).

6. The ground energy facility emergency explosion and impact protection system according to claim 1 is characterized in that The upper limit cover plate (3-2) is provided with second threaded holes (3-14) at four corners and is connected to the vehicle frame keel (3-1) via bolts.

7. The ground energy facility emergency explosion and impact protection system according to claim 1 is characterized in that The perforated straight plate (3-9) has two rows of holes arranged in a staggered manner.

8. A method for installing an emergency explosion and impact protection system for ground energy facilities according to any one of claims 1 to 7, characterized in that The installation method described is as follows: Step 1: Fix the lower limit plate (3-4) to the keel (3-1); Step 2: Connect the bottom of the thin-walled circular tube (3-5) to the lower limit plate (3-4), and the top to the upper limit cover plate (3-2); Step 3: Complete the filling of the rubber water storage bag (3-3). The inner diameter of the rubber water storage bag (3-3) should be the same as the outer diameter of the thin-walled circular tube (3-5). Test the matching degree between the inner diameter and the outer diameter of the thin-walled circular tube (3-5); Step 4: After assembling the metal box (2), weld the box top cover (2-2) and the movable corner piece (2-3) according to the position, and weld the left roof of the foam aluminum sandwich with increasing density gradient and the movable corner piece (1-3) according to the position; Step 5: Use bolts to connect the left and right sheds of the gradient-increased-density foam aluminum sandwich shed to complete the assembly of the gradient foam aluminum sandwich shed roof (1) and complete the pre-installation preparation of the protective structure.

9. The explosion-proof and impact-proof method of the emergency explosion-proof and impact-proof protection system for ground energy facilities according to any one of claims 1 to 7, characterized in that The method of use described is to be carried out in emergency situations: Step 1: Put the rubber water storage bag (3-3) on the thin-walled circular tube (3-5) according to the position; Step 2: buckle the upper limit cover plate (3-2) onto the thin-walled circular tube (3-5) and connect them through the threaded hole (3-14); Step 3: Select a construction point around the key energy facilities that need to be protected and place the box stand (2-1); Step 4: Connect the box top cover (2-2) to the box vertical plate (2-1) through the second through hole (2-7) and the threaded hole (2-5); Step 5: Push the explosion-proof frame (3) into the metal box (2) from the opening side, and connect and fix it through the first through hole (2-6) and the second threaded hole (3-8); Step 6: hoist the gradient foam aluminum sandwich roof (1) and connect it with the movable corner pieces (2-3) to complete the construction of the emergency explosion-proof and impact-proof protection structure.

10. The explosion-proof and shock-proof method of the emergency explosion-proof and shock-proof protection system for ground energy facilities according to claim 9, characterized in that The rubber water storage bag body (3-12) and the threaded piston (3-13) are used to fill water through the water injection hole on the surface of the rubber water storage bag, and after the bag is filled, the threaded piston (3-13) is tightened for use.

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