Modular internal concave type flame retardant device

A flame retardant, modular technology, applied in the direction of machines/engines, engine components, mechanical equipment, etc., can solve the problems of bulky, low quenching and extinguishing efficiency, etc., to increase the heat transfer area and high quenching and extinguishing efficiency , the effect of stable performance

Pending Publication Date: 2019-03-08
ZHEJIANG COLLEGE OF ZHEJIANG UNIV OF TECHOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of large volume and low efficiency of quenching and extinguishing flame retardants commonly used in petroleum, coal mine and chemical industries, and propose a compact structure, high quenching and flame extinguishing efficiency, stable performance, modular design and Modular recessed flame arresters for easy maintenance

Method used

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  • Modular internal concave type flame retardant device
  • Modular internal concave type flame retardant device
  • Modular internal concave type flame retardant device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Such as Figure 1-4 As shown in and 11, a modular concave flame retardant of this embodiment includes more than one single three-dimensional flame retardant channel 1 formed by superimposing two flame retardant sheets 2, and the flame retardant sheet 2 is provided with There is a spoiler column 3, and the spoiler column 3 includes a windward side 31 and a leeward side 32; the windward side 31 of the spoiler column 3 is a concave structure, and the previous row of spoiler columns 3 Located in the front center of the gap 4 between two adjacent spoiler posts 3 in the rear row, and the gap between the two adjacent spoiler posts 3 in the rear row is smaller than the spoiler posts 3 in the previous row width.

[0030] The concave structure adopts a triangular concave (such as figure 2 shown) or trapezoidal concave (as image 3 shown), or arc concave (such as Figure 4 shown).

[0031] The gap 4 between two adjacent spoiler columns 3 is the flow path of the deflagration ...

Embodiment 2

[0035] Such as figure 1 , as shown in 5-7 and 12, a modular concave flame retardant of this embodiment includes more than one single three-dimensional flame retardant channel 1 formed by superimposing two flame retardant sheets 2, and the flame retardant A spoiler column 3 is provided on the sheet 2, and the spoiler column 3 includes a windward side 31 and a leeward side 32; the leeward side 32 of the spoiler column 3 is a concave structure, and the front row The spoiler post 3 is located in the front center of the gap 4 between two adjacent spoiler posts 3 in the rear row, and the gap between the two adjacent spoiler posts 3 in the rear row is smaller than that of the previous row The width of spoiler column 3.

[0036] The concave structure adopts (such as Figure 5 shown) or trapezoidal concave (as Figure 6 shown) or curved concave (such as Figure 7 shown).

[0037] The gap 4 between two adjacent spoiler columns 3 is the flow path of the deflagration flame.

[0038]...

Embodiment 3

[0041] Such as figure 1 , 8-10 and 11, 12, a modular concave flame retardant of this embodiment includes more than one single three-dimensional flame-retardant channel 1 formed by superimposing two flame-retardant sheets 2, the described The flame-retardant sheet 2 is provided with a spoiler column 3, and the spoiler column 3 includes a windward side 31 and a leeward side 32; the windward side 31 and the leeward side 32 of the spoiler column 3 are both concave structures ; The front row of spoiler posts 3 is located in the front center of the gap 4 between two adjacent spoiler posts 3 in the rear row, and the gap between the two adjacent spoiler posts 3 in the rear row is less than The width of the spoiler columns 3 in the preceding row.

[0042] The concave structure adopts a triangular concave (such as Figure 8 shown) or trapezoidal concave (as Figure 9 shown) or curved concave (such as Figure 10 shown).

[0043] The gap 4 between two adjacent spoiler columns 3 is the ...

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Abstract

The invention discloses a modular internal concave type flame retardant device. The modular internal concave type flame retardant device comprises more than one single three-dimensional flame retardant channel formed by overlapping two flame retardant pieces, flow turbulent columns are arranged on the flame retardant pieces, and the flow turbulent columns comprise windward sides and lee sides; thewindward sides of the flow turbulent columns are of an internal concave type structure, or the lee sides of the flow turbulent columns are of an internal concave type structure, or the windward sidesand the lee sides of the flow turbulent columns are of an internal concave type structure; and the flow turbulent columns at the front raw are located at front center of a gap of the two adjacent flow turbulent columns at the rear row, and the gap of the two adjacent flow turbulent columns at the rear row is smaller than the width of the flow turbulent columns at the front raw. The modular internal concave type flame retardant device has compact structure, high quenching and out-flame efficiency, stable performance, modular design and convenient maintenance.

Description

technical field [0001] The invention relates to a modular concave flame retardant, in particular to a flame retardant for the deflagration flame of Class A combustible gas. Background technique [0002] Flame retardant is a kind of safety equipment widely used in industry. It is used in the pipeline system for conveying combustible gas, oil vapor recovery system and combustible gas discharge system to avoid explosion accidents. For example, in the shipbuilding industry, the long-term continuous operation of the ship will cause local overheating of the parts in the crankcase of the diesel engine, and the heat generated will cause the particles from the lubricating oil in the crankcase and the leakage of the piston ring to form a highly flammable oil mist mixture. When the oil mist mixture reaches a certain concentration and the temperature reaches the temperature to detonate the mixture, the crankcase explosion will be caused. A crankcase explosion can easily lead to a ship ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B77/10
CPCF02B77/10
Inventor 蒋兰芳陈志雅孙敏姜少飞谷云庆冯毅雄舒欣
Owner ZHEJIANG COLLEGE OF ZHEJIANG UNIV OF TECHOLOGY
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