Device used for bidirectional combined papermaking enhancing process
A combined and process technology, applied in papermaking, reinforcing agent addition, textiles and papermaking, etc., can solve the problems of inability to meet the strength requirements and printing performance requirements of special tissue paper, inconsistent printing quality of printed matter, and large amount of filler components. , to achieve the effect of improving the effect, the preparation method is simple and easy, and the dihedral property is improved.
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Embodiment 1
[0021] raw material:
[0022] A), cationic starch 6kg
[0023] water 130kg
[0024] B), oligomeric cation modified PAM 0.5kg
[0025] water 500kg
[0026] C), high polycation modified PAM 0.3kg
[0027] Polyethyleneimine 1.5kg
[0028] 180kg of water.
[0029] Specific preparation and usage:
[0030] A): Dissolve 6Kg of cationic starch in 50Kg of water, stir and disperse evenly, heat to 80°C-90°C, gelatinize at this temperature for 20 minutes, add water to dilute to 80Kg, continue stirring to further dissolve to form a solution.
[0031] B): Spray 0.5Kg of oligomeric cationic modified PAM into 500Kg of water with an injector, continue to stir and further dissolve to make a solution.
[0032] C) Add 0.3Kg of highly polycation-modified PAM into 1.5Kg of polyethyleneimine, stir well, dissolve in 180Kg of water, continue stirring to further dissolve to form a solution.
[0033] Dosage: The solid content of the above-mentioned internal bonding modifier and retention...
Embodiment 2
[0036] raw material:
[0037] A), cationic starch 10kg
[0038] water 170kg
[0039] B), 0.7kg of oligomeric cationic modified PAM
[0040] Water 700kg
[0041] C), high polycation modified PAM 0.5kg
[0042] Polyethyleneimine 1.2kg
[0043] 180kg of water.
[0044] Specific preparation and usage:
[0045] A): Dissolve 10Kg of cationic starch in 70Kg of water, stir to disperse evenly, heat to 80-90°C, gelatinize at this temperature for 20 minutes, add water to dilute to 100Kg, continue stirring to further dissolve to form a solution.
[0046] B): Change 0.7Kg of oligomeric cation into PAM, spray it into 700Kg of water with an injector, continue to stir and further dissolve to make a solution.
[0047] C) Add 0.5Kg of highly polycation-modified PAM to 1.2Kg of polyethyleneimine, stir well, dissolve in 180Kg of water, continue stirring to further dissolve to form a solution.
[0048] Dosage: The solid content of the above-mentioned internal bonding modifier and ...
Embodiment 3
[0051]A device for two-way combined papermaking enhancement process, the device includes a pulp mixing tank 3, a high-consistency high-level box 4, a flushing tank 5, a desander 6, a low-consistency high-level box 7, a rotary wing screen 8 and a slurry flow The front end of the machine 9 and the pulp mixing tank 3 are connected with an internal binding reinforcing modifier adding silo, which is composed of a cationic starch silo 2 and an oligomerization modified polyacrylamide silo 1. The rear end of the pulp mixing tank 3 is connected to the high-consistency high-level tank 4 through the material pump, the high-consistency high-level tank 4 is connected to the flushing tank 5, the pulping tank 5 is connected to the desander 6 through the material pump, and the desander 6 is connected to the low-consistency high level tank 7 , the low-concentration high-level box 7 is connected to the rotary wing screen 8, the outlet pipeline of the rotary wing screen 8 is connected with a rete...
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