Method for restoring river channel
A technology for river restoration and river course application in water conservancy projects, sea area engineering, coastline protection, etc. It can solve problems such as easy water and soil loss, easy emptiness of water and soil, and inclined trees, so as to avoid water absorption and expansion, prevent heavy metal seepage, and have good water permeability Effect
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Embodiment 1
[0032] A kind of river restoration method, its steps are:
[0033] (1) Select the river to be repaired, clean up the embankments on both sides of the river, and remove weeds and garbage;
[0034] (2) Prepare fly ash concrete, the steps are:
[0035] A Take calcium sulfate, sodium sulfate, calcium lignosulfonate and clay according to the mass ratio of 3:2.5:1:13, mix and stir them to obtain coagulant; the stirring time is 5-10min;
[0036] B selects 40 mass parts of water to be placed in the reaction vessel, and then sequentially add 17 mass parts of sodium silicate, 15 mass parts of diatomaceous earth, 5 mass parts of pyrrole and 5 mass parts of ethylenediaminetetraacetic acid to the water Disodium is stirred while adding to obtain the first mixed solution; the stirring time in step B is 8-20min;
[0037] C select 10 parts by mass of the coagulant obtained in step A and add it to the first mixed solution, and then add 5-15 parts by mass of activated carbon (activated carbon ...
Embodiment 2
[0043] A kind of river restoration method, its steps are:
[0044] (1) Select a certain river course in Ma'anshan that needs to be repaired, and clean up the embankments on both sides of the river course to remove weeds and garbage;
[0045] (2) Prepare fly ash concrete, the steps are:
[0046] A Take calcium sulfate, sodium sulfate, calcium lignosulfonate and clay according to the mass ratio of 2:3:1:10, mix and stir them to obtain coagulant; the stirring time is 5-10min;
[0047] B selects 53 parts by mass of water to be placed in the reaction vessel, then sequentially add 10 parts by mass of sodium silicate, 20 parts by mass of diatomaceous earth, 2 parts by mass of pyrrole and 15 parts by mass of ethylenediaminetetraacetic acid Disodium is stirred while adding to obtain the first mixed solution; the stirring time in step B is 8-20min;
[0048] C selects 8 parts by mass of the coagulant obtained in step A to add to the first mixed solution, and then sequentially adds 15 par...
Embodiment 3
[0054] A kind of river restoration method, its steps are:
[0055] (1) Select a river channel that needs to be repaired in a tributary of the Taihu Lake Basin, and clean up the embankments on both sides of the river channel to remove weeds and garbage;
[0056] (2) Prepare fly ash concrete, the steps are:
[0057] A Take calcium sulfate, sodium sulfate, calcium lignosulfonate and clay according to the mass ratio of 4:2:1:15, mix and stir them, and the stirring time is 5-10min; obtain coagulant;
[0058] B selects 48 mass parts of water to be placed in the reaction vessel, and then sequentially add 15 mass parts of sodium silicate, 18 mass parts of diatomaceous earth, 3 mass parts of pyrrole and 10 mass parts of ethylenediaminetetraacetic acid to the water Disodium, stirring while adding, the stirring time is 8-20min; obtain the first mixed solution;
[0059] C selects 9 parts by mass of the coagulant obtained in step A and adds it to the first mixed solution, then successive...
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