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Design method for modular labyrinth type flame retardant channel

A design method and labyrinth technology, applied in mechanical equipment, engine components, machines/engines, etc., can solve problems such as lack of universal design methods, and achieve the effects of compact structure, easy maintenance, and reduced processing costs.

Inactive Publication Date: 2017-10-24
ZHEJIANG COLLEGE OF ZHEJIANG UNIV OF TECHOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are patents on flame retardants, all of which are specific designs of a flame retardant structure, lacking a universal design method

Method used

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  • Design method for modular labyrinth type flame retardant channel
  • Design method for modular labyrinth type flame retardant channel
  • Design method for modular labyrinth type flame retardant channel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Such as Figure 1-9 Shown, the design method of a kind of modularized labyrinth flame retardant channel of the present embodiment, such as figure 1 shown, including the following steps:

[0043] 1) According to the flame retardant requirements and flow field characteristics, the basic geometric shape of the flame retardant boss in the flame retardant channel is designed as a rectangular flame retardant boss 1; figure 2 shown.

[0044] 2) On a two-dimensional plane, a labyrinth layout is performed on the rectangular flame-retardant bosses 1. When the labyrinth layout is two adjacent rows of flame-retardant bosses are centered and misplaced; image 3 As shown, the basic unit 2 of the flame-retardant channel is obtained, and the gap between two adjacent flame-retardant bosses forms an air channel 4; ,Such as Figure 4 As shown, the basic unit 3 of the flame retardant channel is obtained, and the gap between two adjacent flame retardant bosses forms an air channel 4 . ...

Embodiment 2

[0050] Such as figure 1 , 10 As shown in -17, a design method of a modular labyrinth flame-retardant passage of the present embodiment, such as figure 1 shown, including the following steps:

[0051] 1) According to the flame retardant requirements and flow field characteristics, the basic geometric shape of the flame retardant boss in the design of the flame retardant channel is hexagonal flame retardant boss 7; Figure 10 shown.

[0052] 2) On a two-dimensional plane, the hexagonal flame-retardant boss 7 is arranged in a labyrinth, when the labyrinth layout is centered and misplaced in two adjacent rows of flame-retardant bosses; Figure 11 As shown, the basic unit 8 of the flame-retardant channel is obtained, and the gap between two adjacent flame-retardant bosses forms an air channel 9; ,Such as Figure 12 As shown, the basic unit 10 of the flame retardant channel is obtained, and the gap between two adjacent flame retardant bosses forms an air channel 9 .

[0053] 3...

Embodiment 3

[0058] Such as figure 1 , 18 As shown in -25, a design method of a modular labyrinth flame-retardant passage of the present embodiment, such as figure 1 shown, including the following steps:

[0059] 1) According to the flame retardant requirements and flow field characteristics, the basic geometric shape of the flame retardant boss in the design of the flame retardant channel is a circular flame retardant boss 13; Figure 18 shown.

[0060] 2) On a two-dimensional plane, a labyrinth layout is performed on the circular flame-retardant bosses 13. When the labyrinth layout is two adjacent rows of flame-retardant bosses are centered and misplaced; Figure 19 As shown, the basic unit 14 of the flame-retardant channel is obtained, and the gap between two adjacent flame-retardant bosses forms an air channel 15; ,Such as Figure 20 As shown, the basic unit 16 of the flame retardant channel is obtained, and the gap between two adjacent flame retardant bosses forms an air channel ...

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Abstract

The invention discloses a design method for a modular labyrinth type flame retardant channel. The design method comprises the steps that 1) the basic geometrical shapes of flame retardant bosses of the flame retardant channel are designed according to the flame retardant requirement and the flow field characteristic; 2) on the two-dimensional plane, labyrinth type layout is carried out on the flame retardant bosses so as to obtain basic units of the flame retardant channel, and a gap between every two adjacent flame retardant bosses forms an air duct; 3) the basic units of the flame retardant channel serve as basic modules, and according to the flame retardant requirement and the size constraint, modular combination is carried out on the two-dimensional plane so as to obtain flame retardant sheet structures of the flame retardant channel; 4) flame retardant sheets are stacked layer by layer in the three-dimensional direction so as to to obtain single three-dimensional flame retardant channel structures; and 5) according to the flame retardant requirement and the space constraint, the three-dimensional flame retardant channel structures can be combined in the three-dimensional direction so as to obtain the flame retardant channel finally. The method has the characteristics of being capable of rapidly and efficiently extinguishing flames, compact in structure, stable in performance and convenient to maintain

Description

technical field [0001] The invention relates to a design method of a modular labyrinth flame-retardant channel, in particular to a design method of a flame-resistant channel of a Class A-A combustible gas deflagration flame. 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. In the shipping industry, ship fires are considered to be one of the most ferocious "natural enemies" of the shipping industry, especially for fires that occur when ships are sailing at sea. It is difficult for fire-fighting boats to arrive at the fire scene in time for effective rescue; The passage in the warehouse is easily blocked by fire, and it is difficult to evacuate the people on board. In addition, the cargo on board is complex and dense, and the fire is easy to spread rapidly. Once out of c...

Claims

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Application Information

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IPC IPC(8): F02B77/10
CPCF02B77/10
Inventor 蒋兰芳姜少飞刘红鲁聪达谷云庆
Owner ZHEJIANG COLLEGE OF ZHEJIANG UNIV OF TECHOLOGY