Foaming agent specially used for soil pressure balance shield tunneling machine and preparation method thereof
An earth pressure balance and shield machine technology, applied in chemical instruments and methods, applications, organic fertilizers, etc., can solve problems such as loss of excavation soil improvement, difficulty in meeting foam stability requirements, etc., to ensure stability, prevent gushing, The effect of improving plasticity
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Example Embodiment
[0020] Example 1:
[0021] A special foaming agent for earth pressure balance shield machine, made of the following parts by weight of raw materials:
[0022] 6 parts of sodium lauryl sulfate, 9 parts of lauryl betaine, 5 parts of sodium chloride, 6 parts of n-butanol, 6 parts of lauryl dimethyl amine oxide, sodium laureth sulfate 2 parts, 7 parts of sodium alginate, 3 parts of sodium lauryl polyoxyethylene ether sulfate, 5 parts of cetyl trimethyl ammonium chloride, 2 parts of fluoranthene, 4 parts of disodium edetate, 3 parts of cinnamon extract, 5 parts of polyethylene glycol, 7 parts of thickener, and 70 parts of water.
[0023] Among them, the thickener is made by mixing ammonium chloride, diethanolamide, sodium chloride, and ammonium sulfate in a mass ratio of 8:1:6:6.
[0024] The preparation method of the above-mentioned special foaming agent for earth pressure balance shield machine includes the following steps:
[0025] (1) Dissolve formula amount of sodium lauryl sulfate, l...
Example Embodiment
[0027] Example 2:
[0028] A special foaming agent for earth pressure balance shield machine, made of the following parts by weight of raw materials:
[0029] 10 parts of sodium lauryl sulfate, 15 parts of lauryl betaine, 3 parts of sodium chloride, 8 parts of n-butanol, 4 parts of lauryl dimethyl amine oxide, sodium laureth sulfate 3 parts, 5 parts of sodium alginate, 7 parts of sodium lauryl polyoxyethylene ether sulfate, 3 parts of cetyltrimethylammonium chloride, 3 parts of fluoranthene, 2 parts of disodium ethylenediaminetetraacetic acid, 5 parts of cinnamon extract, 3 parts of polyethylene glycol, 5 parts of thickener, and 100 parts of water.
[0030] Among them, the tackifier is made by mixing ammonium chloride, diethanolamide, sodium chloride, and ammonium sulfate in a mass ratio of 8:1:6:6; the preparation method of the special foaming agent for earth pressure balance shield machine is the same as that of Example 1. .
Example Embodiment
[0031] Example 3:
[0032] A special foaming agent for earth pressure balance shield machine, made of the following parts by weight of raw materials:
[0033] 8 parts of sodium lauryl sulfate, 12 parts of lauryl betaine, 4 parts of sodium chloride, 7 parts of n-butanol, 5 parts of lauryl dimethyl amine oxide, sodium laureth sulfate 2.5 parts, 6 parts of sodium alginate, 5 parts of sodium lauryl polyoxyethylene ether sulfate, 4 parts of cetyl trimethyl ammonium chloride, 2.5 parts of fluoranthene, 3 parts of disodium ethylenediaminetetraacetic acid, 4 parts of cinnamon extract, 4 parts of polyethylene glycol, 6 parts of thickener, and 85 parts of water.
[0034] Among them, the tackifier is made by mixing ammonium chloride, diethanolamide, sodium chloride, and ammonium sulfate in a mass ratio of 8:1:6:6; the preparation method of the special foaming agent for earth pressure balance shield machine is the same as that of Example 1. .
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