CN104831029A - Waste engine oil based quenching oil and preparation method thereof - Google Patents

Abstract

The present invention discloses a waste engine oil based quenching oil, which is characterized by being prepared from the following raw materials by weight: 35-40 parts of waste engine oil, 45-50 parts of 100SN base oil, 3-5 parts of tall oil, 2-3 parts of hydrogenated castor oil, 1-2 parts of sesame oil, 1-2 parts of Sorbitan monopalmitate, 1-2 parts of isooctyl palmitate, 0.5-1 part of butyl epoxy stearate, 0.3-0.5 part of an antioxidant BHT, 0.1-0.2 part of poloxamer and 1-2 parts of a compound additive. The present invention recycles of waste engine oil for the production of quenching oil; the quenching oil has the characteristics of stable cooling capacity, good thermal oxidation stability and long service life, and the workpiece after quenching by the quenching oil meets the requirements; and the invention is conducive to environmental protection and recycling of resources, and has good economic and environmental benefits.

Description

A kind of used oil base quenching oil and preparation method thereof

Technical field

The present invention relates to heat treatment technics, be specifically related to a kind of used oil base quenching oil and preparation method thereof.

Background technology

Quenching is a part for thermal treatment process, and steel is heated to more than transformation temperature, after held for some time, cools fast in heat-eliminating medium, thus obtains the technological process of martensitic stucture.Quenching process is directly connected to use properties and the life-span of workpiece, and selecting of quenchant is the key improving workpiece quality.Quenching oil is quenching process oil, is used as heat-eliminating medium, can reduce cracking and the distortion of workpiece, strengthens the hardness of workpiece.Quenching oil uses for a long time under high temperature and the severe condition of working continuously, and requires that oil product has good anti-oxidant, heat resistanceheat resistant and decomposes and the performance such as anti-aging, to ensure cooling performance and the work-ing life of oil product.Because quenching oil performance in life-time service process can change, need to add functional recombiner to eliminate these negative impacts.

Summary of the invention

The object of this invention is to provide a kind of used oil base quenching oil.

The present invention is achieved by the following technical solutions:

A kind of used oil base quenching oil, it is characterized in that, it is obtained by the raw material of following weight parts:

Used oil 35-40,100SN base oil 45-50, Yatall MA 3-5, hydrogenated castor oil 2-3, siritch 1-2, sorbyl alcohol monopalmitate 1-2, iso-octyl palmitate 1-2, butyl epoxy stearate 0.5-1, antioxidant BHT 0.3-0.5, poloxamer 0.1-0.2, composite assistant 1-2;

Wherein composite assistant is made up of the raw material of following weight part:

Glycidyl acrylate 1-2, isobornyl acrylate 1-2, petroleum sodium sulfonate 0.2-0.4, zinc dialkyl dithiophosphate 0.1-0.2, polyisobutylene-bis-succinimide 0.3-0.5, dimethyl silicone oil 3-5, Viscotrol C 6-8, boronation diene base succimide 0.5-1, amine hydroxybenzene 0.3-0.5;

The preparation method of composite assistant is:

Dimethyl silicone oil and Viscotrol C are added in reactor and mixes, add amine hydroxybenzene, petroleum sodium sulfonate and zinc dialkyl dithiophosphate 80-90 DEG C again and stir 0.5-1h, cool the temperature to 60-70 DEG C again, add polyisobutylene-bis-succinimide and boronation diene base succimide high-speed stirring 10-15min, add all the other raw materials after cooling, high-speed mixing evenly after and get final product.

A preparation method for used oil base quenching oil, is characterized in that, comprise the following steps:

(1) by weight 10:1:2, used oil is mixed with wood charcoal powder and calcium hydroxide, filter after 100-120 DEG C of stirring 2-4h, get filtrate mix with 100SN base oil, Yatall MA, siritch and jointly add reactor, first add hydrogenated castor oil, iso-octyl palmitate and sorbyl alcohol monopalmitate 80-90 DEG C and stir 0.5-1h, then add poloxamer 50-60 DEG C, 400-600r/min stirs 10-20min;

(2) add diatomite by solvent and solute weight ratio 5:1, mix rear 80-100 DEG C, 200-400r/min stirs 2-4h, cooled and filtered, obtains filtrate;

(3) jointly add reactor 50-60 DEG C after the filtrate obtained in (2) being mixed with butyl epoxy stearate, antioxidant BHT and stir 1-2h, add all the other raw material stirring after cooling evenly, to obtain final product.

Advantage of the present invention is:

The present invention recycles used oil and produces quenching oil, has that cooling power is stablized, thermal oxidation stability is good, the feature of long service life, satisfactory quality after workpiece quenching; Be conducive to the recycling of environmental protection and resource, there is good economy and environment benefit.

Embodiment

Non-limiting examples of the present invention is as follows:

A kind of used oil base quenching oil, is prepared from by the component raw material of following weight (kg):

Used oil 38,100SN base oil 42, Yatall MA 4, hydrogenated castor oil 2.5, siritch 1.5, sorbyl alcohol monopalmitate 1.5, iso-octyl palmitate 1.5, butyl epoxy stearate 0.8, antioxidant BHT 0.4, poloxamer 0.15, composite assistant 1.5;

Wherein, composite assistant is made up of the raw material of following weight (kg):

Glycidyl acrylate 1.5, isobornyl acrylate 1.5, petroleum sodium sulfonate 0.3, zinc dialkyl dithiophosphate 0.15, polyisobutylene-bis-succinimide 0.4, dimethyl silicone oil 4, Viscotrol C 7, boronation diene base succimide 0.8, amine hydroxybenzene 0.4;

The preparation method of composite assistant:

Dimethyl silicone oil and Viscotrol C are added in reactor and mixes, add amine hydroxybenzene, petroleum sodium sulfonate and zinc dialkyl dithiophosphate 85 DEG C again and stir 0.5h, cool the temperature to 65 DEG C again, add polyisobutylene-bis-succinimide and boronation diene base succimide high-speed stirring 10min, add all the other raw materials after cooling, high-speed mixing evenly after and get final product.

The preparation method of used oil base quenching oil comprises the following steps:

(1) by weight 10:1:2, used oil is mixed with wood charcoal powder and calcium hydroxide, filter after 120 DEG C of stirring 3h, get filtrate mix with 100SN base oil, Yatall MA, siritch and jointly add reactor, first add hydrogenated castor oil, iso-octyl palmitate and sorbyl alcohol monopalmitate 90 DEG C stir 0.5h, then add poloxamer 60 DEG C, 500r/min stirs 15min;

(2) add diatomite by solvent and solute weight ratio 5:1, mix latter 90 DEG C, 300r/min stirs 3h, cooled and filtered, obtains filtrate;

(3) jointly add reactor 60 DEG C after the filtrate obtained in (2) being mixed with butyl epoxy stearate, antioxidant BHT and stir 2h, add all the other raw material stirring after cooling evenly, to obtain final product.

As follows according to standard SH/T0564-93 test performance index:

Kinematic viscosity (40 DEG C, mm ²/ s)≤30;

Carbon residue increased value≤1.5%;

Representative temperature >=520 DEG C.

Claims (2)

1. a used oil base quenching oil, is characterized in that, it is obtained by the raw material of following weight parts:

Used oil 35-40,100SN base oil 45-50, Yatall MA 3-5, hydrogenated castor oil 2-3, siritch 1-2, sorbyl alcohol monopalmitate 1-2, iso-octyl palmitate 1-2, butyl epoxy stearate 0.5-1, antioxidant BHT 0.3-0.5, poloxamer 0.1-0.2, composite assistant 1-2;

Described composite assistant is made up of the raw material of following weight part:

Glycidyl acrylate 1-2, isobornyl acrylate 1-2, petroleum sodium sulfonate 0.2-0.4, zinc dialkyl dithiophosphate 0.1-0.2, polyisobutylene-bis-succinimide 0.3-0.5, dimethyl silicone oil 3-5, Viscotrol C 6-8, boronation diene base succimide 0.5-1, amine hydroxybenzene 0.3-0.5;

The preparation method of described composite assistant is:

Dimethyl silicone oil and Viscotrol C are added in reactor and mixes, add amine hydroxybenzene, petroleum sodium sulfonate and zinc dialkyl dithiophosphate 80-90 DEG C again and stir 0.5-1h, cool the temperature to 60-70 DEG C again, add polyisobutylene-bis-succinimide and boronation diene base succimide high-speed stirring 10-15min, add all the other raw materials after cooling, high-speed mixing evenly after and get final product.

2. the preparation method of a kind of used oil base quenching oil according to claim 1, is characterized in that, comprise the following steps:

(1) by weight 10:1:2, used oil is mixed with wood charcoal powder and calcium hydroxide, filter after 100-120 DEG C of stirring 2-4h, get filtrate mix with 100SN base oil, Yatall MA, siritch and jointly add reactor, first add hydrogenated castor oil, iso-octyl palmitate and sorbyl alcohol monopalmitate 80-90 DEG C and stir 0.5-1h, then add poloxamer 50-60 DEG C, 400-600r/min stirs 10-20min;

(2) add diatomite by solvent and solute weight ratio 5:1, mix rear 80-100 DEG C, 200-400r/min stirs 2-4h, cooled and filtered, obtains filtrate;

(3) jointly add reactor 50-60 DEG C after the filtrate obtained in (2) being mixed with butyl epoxy stearate, antioxidant BHT and stir 1-2h, add all the other raw material stirring after cooling evenly, to obtain final product.