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Keyboard type explosion protection system

An explosion-proof system and keyboard technology, applied in pipeline systems, water conservancy projects, artificial islands, etc., can solve the problems of inconvenient urban comprehensive management and maintenance, destructive effects of surrounding facilities, and inability to incorporate gas pipelines, and improve the appearance of the city. , Simple structure, large damping effect

Inactive Publication Date: 2017-12-01
SHENYANG JIANZHU UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the phenomenon of urban public pipelines being randomly distributed is serious, and the phenomenon of "urban spider webs" is common. The existing gas pipeline explosion-proof technology mainly focuses on source explosion-proof, that is, the risk level is determined through early risk prediction and risk assessment, so that at the source However, in the process of gas transportation, sudden gas explosions will inevitably occur. Once an explosion occurs, it will have a huge destructive impact on the surrounding facilities. It is precisely because of this that the gas pipeline cannot be incorporated into the comprehensive pipe gallery for a long time. system, which is not convenient for the comprehensive management and maintenance of the city

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0027] Such as Figure 1-7 As shown, it consists of an explosion-proof roof (1), an explosion-proof system on the side wall and a bottom explosion-proof system. The upper cover (1-1) and lower cover (1-2) in the explosion-proof roof (1) are square, The outer side length of the upper cover plate (1-1) is slightly smaller than the inner side length of the lower cover plate (1-2); the explosion-proof top plate (1) is installed in the installation channel (18) fixed on the top plate with bolts , the installation channel (18) is "I" shaped steel, the upper flange is drilled with screw holes, and is fixed on the upper top plate by bolts, the thickness of the flange is 2-4mm, and the thickness of the web is 3-6mm; when installing the explosion-proof roof When (1), the water inlet pipe (15) and the water outlet pipe (16) should be arranged first on both sides of the web plate of the installation channel; the water inlet (1-6) is 50-100mm higher than the water outlet (1-7), and has th...

Embodiment 2

[0029] Such as figure 1 and 5 As shown, when the explosion occurs, due to the impact of the airflow, the impulse work will at first reach the gravity of the fire explosion roof plate (1), and the increase of the impulse will cause the water pressure in the hose (1-9) to be too high, thereby causing the nozzles (1-4 ) is turned on, and water is automatically sprayed to extinguish the fire. Since the damping coefficient and density of water are relatively large, and it has strong fluidity, it can consume a large amount of huge internal energy caused by the explosion and convert the internal energy into Kinetic energy and potential energy of water, the water in the side explosion-proof wall body sprays from water spout (19), can reach the purpose of fire extinguishing, and the lower side explosion-proof system mainly relies on the fluidity consumption explosion of water to produce internal energy.

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Abstract

The invention relates to a keyboard type explosion-proof system, which belongs to the technical field of comprehensive pipe gallery. The upper part is a keyboard-type explosion-proof roof, the lower part is a thin water layer, both sides are explosion-proof wall baffles, and the middle part is the gas tank in the comprehensive pipe gallery. The invention has the advantages of simple structure, good mechanical performance, convenient processing, and reasonable layout, and completes the mitigation and improvement of urban spider web phenomenon, and improves the safety of the gas tank by utilizing the characteristics of high water density, good fluidity, and large damping At the same time, the overall arrangement of urban public pipelines improves the appearance of the city, improves the utilization of underground space, and improves the efficiency of pipeline repair and maintenance.

Description

technical field [0001] The invention belongs to the technical field of comprehensive pipe gallery, in particular to a keyboard type explosion-proof system. Background technique [0002] The comprehensive pipe gallery is a structure and ancillary facilities built underground to accommodate two or more types of urban engineering pipelines. Construct a tunnel in the urban underground space, integrate various engineering pipelines such as electricity, communication, gas, heating, water supply and drainage, etc., and set up special inspection ports, hoisting ports and detection systems, and implement unified planning, unified design, and unified construction Management and management are the important infrastructure and "lifeline" to ensure the operation of the city. It is a municipal public facility that implements unified planning, design, construction and maintenance, and is built underground in the city for laying municipal public pipelines. [0003] At present, the phenome...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D29/045E02D31/00F17D5/00A62C31/02
CPCE02D29/10A62C31/02E02D31/00F17D5/00
Inventor 张延年刘哲学徐驰刘旭峰
Owner SHENYANG JIANZHU UNIVERSITY
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