Combination and processing method of high-strength and low-flow-resistance lubricating oil filter medium
A processing method and lubricating oil technology, applied to chemical instruments and methods, separation methods, filtration and separation, etc., can solve the problems of short life, low mechanical strength, large resistance, etc., achieve low density, improve filtration efficiency, and reduce filtration The effect of resistance
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Embodiment 1
[0025] Example 1: Birch sawdust particle size 20-40 mesh: 40-60 mesh: 60-100 mesh ratio is 1:5:1, weigh 8.0kg white pine sawdust (produced by Minhou County Chuangxin Wood Industry Co., Ltd.) ; Add 12kg of alkaline pulping black liquor with bagasse (produced by Fujian Hengan Group Co., Ltd.) as raw material (lignin content is about 28g / L, organic acid content is about 14g / L, and effective alkali content is about 3g / L ) The mixing is uniform, and the stirring time is 5h, the stirring temperature is 30°C, and the speed is 10rpm / min under the closed condition of the stainless steel temperature-controlled anchor stirring tank (Henan Oushibo Machinery Co., Ltd., 100L); the model is MAHLEOX405D mold (outer diameter 6.2cm, inner diameter 3.1cm, height 6.0cm) in extrusion molding; aging at 120℃ water vapor for 8h, drying temperature in flowing air 110℃, drying time 10h, to obtain high strength, low flow resistance lubrication The bulk density of the oil filter medium is 0.40g / cm 3 . Th...
Embodiment 2
[0026] Example 2: White pine sawdust particle size 20-40 mesh: 40-60 mesh: 60-100 mesh ratio is 0.5:10:2, weigh 6.0kg eucalyptus sawdust (produced by Minhou County Chuangxin Wood Industry Co., Ltd. ); add 10.0kg of alkaline pulping black liquor with masson pine (produced by Fujian Hengan Group Co., Ltd.) as raw material (lignin content is about 29g / L, organic acid content is about 18g / L, and effective alkali content is about 5g / L) Mix uniformly. Under airtight conditions, stir for 0.1h in the stirring tank in Example 1, at a stirring temperature of 50°C, and a rotation speed of 20rpm / min; the model is MAHLEOX405D mold (outer diameter 6.2cm, inner diameter 3.1cm, (Height 6.0cm) extrusion molding; aging at 100℃ water vapor for 5h, drying temperature in flowing air at 100℃, drying time 7h, the bulk density of high-strength, low-flow resistance lubricating oil filter media is obtained 0.28g / cm 3 . The verification steps are as described in Example 1, and the results of pressure d...
Embodiment 3
[0027] Example 3: Poplar sawdust particle size 20-40 mesh: 40-60 mesh: 60-100 mesh ratio is 0.5:5:0.1, weigh out 5.0 kg of white pine sawdust (produced by Chuangxin Wood Industry Co., Ltd., Minhou County ); Add 15.0kg of alkali pulping black liquor with Korean pine (produced by Fujian Hengan Group Co., Ltd.) as raw material (lignin content is about 26g / L, organic acid content is about 19g / L, and effective alkali content is about 2g / L) The mixing is uniform, the stirring time is 20h, the stirring temperature is 50℃, and the rotation speed is 15rpm / min in the stirring tank in Example 1 under closed conditions; the model is MAHLEOX405D mold (outer diameter 6.2cm, inner diameter 3.1cm , Height 6.0cm) in the extrusion molding; aging at 170 ℃ water vapor for 0.2h, drying temperature in flowing air 105 ℃, drying time 24h, to obtain a high-strength, low flow resistance lubricating oil filter medium Bulk density is 0.34g / cm 3 . The verification steps are as described in Example 1, and...
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