Round tubular explosion-proof structure body and blocking explosion-proof composite
A composite material, barrier and explosion-proof technology, applied in building elements, slender elements, etc., can solve the problems of unfavorable long-term use of flammable and explosive hazardous chemicals, prone to oxidation, hydrolysis, poor chemical resistance, etc. The effect of flame propagation, good structural stability and high surface efficiency
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[0053] The present invention also provides a method for preparing a circular tubular explosion-proof structure, comprising the following steps:
[0054] Step 1. Mix the polyamide resin, antistatic agent, flame retardant and lubricant uniformly by a mixer to obtain a mixture system;
[0055] Step 2. Add the mixture system into a twin-screw extruder, and directly extrude it through a matching die head to obtain a circular tubular explosion-proof structure.
[0056] Specifically, in step 2, the die head has the functions of cutting to length and punching holes, and the punching function is mainly used for making circular through holes 6 .
[0057] Compared with the prior art, the circular tubular explosion-proof structure provided by the present invention forms a stable structure through the outer ring tube body, the middle ring tube body, the inner ring tube body, the large rectangular support body, the small rectangular support body and the circular through hole. A plurality o...
Embodiment 1
[0062] This embodiment provides a circular tubular explosion-proof structure, including: an outer ring pipe body 1, a middle ring pipe body 2, an inner ring pipe body 3, a large rectangular support body 4 and a small rectangular support body 5; the outer ring pipe body The body 1, the middle ring body 2, the inner ring body 3, the large rectangular support body 4 and the small rectangular support body 5 form a circular tubular explosion-proof structure.
[0063] The outer ring body 1 has a cylindrical structure and is arranged outside the middle ring body 2; the middle ring body 2 has a cylindrical structure and is arranged between the outer ring body 1 and the inner ring body 3; the inner ring body 3 is a hexagonal cylindrical structure, which is arranged inside the middle ring body 2; the outer ring body 1, the middle ring body 2, and the inner ring body 3 are coaxially arranged on the same plane, and the heights of the three are the same; The large rectangular support body ...
Embodiment 2
[0072] This embodiment provides a circular tubular explosion-proof structure. The structural form and preparation method of the circular tubular explosion-proof structure are the same as those in Example 1, and will not be repeated here. The difference lies in:
[0073] The thickness of each part of the circular tubular explosion-proof structure is 0.8mm; the inner diameter of the outer ring body is 100mm; the diameter of the circular through hole is 20mm, and the number of single rows of circular through holes is 4; the inner diameter of the middle ring body is 28mm; the side length of the inner ring pipe body is 10mm; the width of the small rectangular support body is 6mm.
[0074] The material of the circular tubular explosion-proof structure in this embodiment may include raw materials measured in parts by mass: polyamide resin: 87.9%, antistatic agent: 8%, flame retardant: 4%, lubricant: 0.1%.
[0075] Specifically, the polyamide resin is polyamide 66; the antistatic agent ...
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Abstract
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