Process for preparing micro crystal cellulose milk sugar
A microcrystalline cellulose and lactose technology, which is applied in the preparation of microcrystalline cellulose lactose and the preparation of pharmaceutical excipients, can solve the problems such as the limitation of the production and promotion of microcrystalline cellulose lactose, the complicated production technology of microcrystalline cellulose lactose and the like. , to achieve the effect of improving production conditions, eliminating cumbersome procedures and saving costs
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Embodiment 1
[0039] (1) Add process water into the reaction tank, heat the steam to 100°C for 15 minutes, cool to 50°C, and set aside;
[0040] (2) In terms of weight ratio, according to the ratio of microcrystalline cellulose: lactose: process water = 1: 3: 8.7, microcrystalline cellulose and lactose are dropped into the reaction tank, and stirred for 2 hours with an emulsifier to make emulsified slurry;
[0041] (3) discharge the slurry of 2% of the total weight of the slurry from the outlet of the reaction tank, then add it back into the reaction tank, continue to stir for 30 minutes, until the sampling inspection slurry is milky white, even colloid;
[0042] (4) Use spray drying equipment to dry the product of step (3) at a temperature of 110° C., pick up the material once every 30 minutes and transfer it to the screening and packaging process;
[0043] (5) After the product passes through a 100-mesh sieve, it becomes the finished product of microcrystalline cellulose lactose.
Embodiment 2
[0045] (1) Add 1300 kg of process water to the reaction tank, heat it with steam to 100°C for 15 minutes, and cool it to 50°C for later use.
[0046] (2) drop into microcrystalline cellulose 150kg, 450 kilograms of lactose in retort, stir 2 hours, emit 30-50 kilograms of slurry from outlet and return to retort again, continue to stir for 30 minutes, the slurry of sampling inspection is milky white, uniform colloid, Transfer to the next procedure.
[0047] (3) Debug the spray drying equipment in a normal state, and control the drying temperature within the range of 100-120°C for drying. The material is picked up every 30 minutes and transferred to the screening and packaging process.
[0048] (4) After the product passes through a 100-mesh sieve, each package is 20kg and becomes a finished product of microcrystalline cellulose lactose.
Embodiment 3
[0050] (1) Add process water into the reaction tank, heat the steam to 100°C for 20 minutes, cool to 50°C, and set aside;
[0051] (2) In terms of weight ratio, according to the ratio of microcrystalline cellulose: lactose: process water = 1: 3.2: 9, microcrystalline cellulose and lactose are dropped into the reaction tank, stirred for 3 hours with an emulsifier, and emulsified slurry;
[0052](3) discharge the slurry of 3% of the total weight of the slurry from the outlet of the reaction tank, then add it back into the reaction tank, continue to stir for 50 minutes, until the sampling inspection slurry is milky white, even colloid;
[0053] (4) Use spray drying equipment to dry the product of step (3) at a temperature of 110-120° C., pick up the material once every 30 minutes and transfer it to the screening and packaging process;
[0054] (5) After the product passes through a 100-mesh sieve, it becomes the finished product of microcrystalline cellulose lactose.
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