Intelligent fire-extinguishing robot for electric power tunnel
A technology for fire-fighting robots and power tunnels, applied in electrical components, fire-resistant coatings, fire rescue, etc., can solve the problems of criss-cross, complex terrain, long distance, etc., and achieve the effects of low manufacturing cost, high speed and high efficiency
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[0037] The preparation method of fireproof coating comprises the following steps:
[0038] ① Add formaldehyde, urea and benzaldehyde to the reaction kettle, add sodium hydroxide, adjust the pH value to 7.5~8.0, raise the temperature to 50~60°C and react for 1~2 hours to obtain a mixed solution; formaldehyde, urea and benzaldehyde The mass ratio is 90~100:25~35:10~15;
[0039] ②Add furfuryl alcohol and ethylene glycol to the mixed solution obtained in step ①, adjust the pH value to 5.5~6.5 with aqueous hydrochloric acid solution, heat up to 50~60°C and react for 2~3 hours to obtain the reaction solution; the mixed solution obtained in step ①, The mass ratio of furfural to ethylene glycol is 1:1~2:0.1~0.3;
[0040] ③ adjusting the pH of the reaction solution obtained in step ② to 7.0 to 7.5 with sodium hydroxide, and removing moisture by distillation under reduced pressure to obtain a modified furan resin;
[0041]④ 1~5 parts of polyvinyl alcohol, 1~3 parts of carboxymethyl ce...
Embodiment 1
[0063] A kind of fireproof coating, is made up of following raw material: polyvinyl alcohol 1kg, carboxymethyl cellulose ether 1kg, melamine cyanurate 2kg, aluminum hydroxide 2kg, organosilicon oil 10kg, propylene glycol methyl ether acetate 20kg, lauryl alcohol ester 15kg , zinc borate 1kg, magnesium stearate 3kg, defoamer 0.5kg, water 15kg and modified furan resin 30kg; Described defoamer is polyoxyethylene polyoxypropanolamine ether;
[0064] Described modified furan resin is prepared according to the following steps:
[0065] ① Add 45kg of formaldehyde, 12.5kg of urea and 5kg of benzaldehyde into the reaction kettle, add sodium hydroxide, adjust the pH value to 7.5, raise the temperature to 50°C and react for 1 hour to obtain a mixed solution;
[0066] ②Add 62.5kg furfuryl alcohol and 6.25kg ethylene glycol to the mixed solution obtained in step ①, adjust the pH value to 5.5 with hydrochloric acid aqueous solution, heat up to 50°C and react for 2 hours to obtain the reacti...
Embodiment 2
[0069] A kind of fireproof coating, is made up of following raw material: polyvinyl alcohol 5kg, carboxymethyl cellulose ether 3kg, melamine cyanurate 5kg, aluminum hydroxide 4kg, organosilicon oil 15kg, propylene glycol methyl ether acetate 30kg, lauryl alcohol ester 20kg , zinc borate 3kg, magnesium stearate 8kg, defoamer 0.5kg, water 15kg and modified furan resin 40kg; Described defoamer is polyoxyethylene polyoxypropylene pentaerythritol ether;
[0070] Described modified furan resin is prepared according to the following steps:
[0071] ① Add 50kg of formaldehyde, 17.5kg of urea and 7.5kg of benzaldehyde into the reaction kettle, add sodium hydroxide, adjust the pH value to 8.0, raise the temperature to 60°C for 2 hours, and obtain a mixed solution;
[0072] ②Add 150kg of furfuryl alcohol and 22.5kg of ethylene glycol to the mixed solution obtained in step ①, adjust the pH value to 6.5 with aqueous hydrochloric acid solution, heat up to 60°C and react for 3 hours to obtai...
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