Cutting fluid
A technology of cutting fluid and waste lubricating oil, applied in the petroleum industry, additives, lubricating compositions, etc., can solve the problems of poor anti-rust effect, poor other performance, poor anti-corrosion ability, etc., and achieve good use effect, good cooling performance, The effect of using less
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Embodiment 1
[0020] A cutting fluid obtained by mixing, by weight, the following groups of materials:
[0021] Borate 7.5 parts
[0022] Sodium gluconate 1.2 parts
[0023] 28 parts of water-soluble polyether
[0024] Chlorinated paraffin 4 parts
[0025] Silicone oil 12 parts
[0026] Sodium Benzoate 2 parts
[0027] Sulfonated castor oil 15 parts
[0028] Lubricating oil 70 parts
Embodiment 2
[0030] A cutting fluid obtained by mixing, by weight, the following groups of materials:
[0031] Borate 6 parts
[0032] Sodium Gluconate 3 parts
[0033] 23 parts of water-soluble polyether
[0034] Chlorinated paraffin 4 parts
[0035] Silicone oil 9 parts
[0036] Sodium Benzoate 4 parts
[0037] Sulfonated castor oil 15 parts
[0038] Lubricating oil 72 parts
Embodiment 3
[0040] A cutting fluid obtained by mixing, by weight, the following groups of materials:
[0041] Borate 8 parts
[0042] Sodium Gluconate 3 parts
[0043] 32 parts of water-soluble polyether
[0044] Chlorinated paraffin 4 parts
[0045] Silicone oil 15 parts
[0046] Sodium benzoate 2.5 parts
[0047] Sulfonated castor oil 12 parts
[0048] 80 parts of waste lubricating oil
[0049] The above waste lubricating oil is prepared through the following steps: (1) Filtration, filtering the waste lubricating oil with a filter to remove solid impurities inside; (2) Centrifuging, using the waste lubricating oil treated in step (1) Centrifuge at a speed of 1650r / min for 8 minutes to remove the upper flocculent impurities and the bottom sediment to obtain an intermediate solution; (3) Distill the intermediate solution obtained in step (2) at 216°C and 0.8 standard atmospheric pressure Operate to obtain lubricating oil.
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