- 2018-5-15How to prepare and calibrate potassium hydroxide ethanol sol
The preparation and calibration of hydraulic oil potassium hydroxide ethanol solution are summarized as follows. 1. the preparation of potassium hydroxide ethanol liquid. In general, the preparati ...
- 2018-5-15Determination of acid value power system by indicator method
When using indicator method to determine acid value of oil, alkali blue 6B and B.T.B (bromothymol blue) are used as indicators. (1) an indicator used in the determination of Alkali Blue 6B, or CB2 ...
- 2018-5-15The principle of determining the acid value of oil and the e
The extraction process of the oil filter consists mainly of the early filtration of the filter system. The extraction of the oil is satisfied by the heat treatment of the heating system and the precis ...
- 2018-5-15The influence of acid value (acidity) of insulating oil on t
Insulating oil is mainly used for insulating oil materials of transformers, which can block the generation of electric current. The main properties of insulating oil are low temperature performance, o ...
- 2018-5-15Influence of water soluble acid and base on operation of oil
The effect of determining the water soluble acid and alkali of oil products on the oil filter equipment in the production operation is mainly manifested in the slow running of the oil filter when the ...
- 2018-5-15Determination of water soluble acid and alkali in hydraulic
Hydraulic oil is biodegradable hydraulic oil, which is an excellent wear resistant hydraulic oil, specially designed to meet the requirements of various hydraulic equipment. Hydraulic oil can extend t ...
- 2018-5-15The influence of hydraulic oil buffer solution on the equipm
Buffer solution is usually composed of weak acid and weak acid salt, weak base and weak alkali salt solution. Such as acetic acid and sodium acetate, ammonia and ammonium chloride, phosphoric acid and ...
- 2018-5-15The influence of water soluble acids and bases in hydraulic
Water soluble acids and bases in oils refer to mineral acids and bases that can be dissolved in water. Mineral acids are mainly sulfuric acid and its derivatives, including sulfonic acids and acid est ...
- 2018-5-15The influence of mechanical impurities on the lubrication tr
(1) the engine oil contains the machine city impurities, especially hard solid particles, which can cause the speed control system card astringent, the rotating parts of the unit wear and other potent ...
- 2018-5-15Matters needing attention in determining hydraulic impurity
(1) it must be fully shaken before it is called the sample. (2) all solvents should be filtered before use. (3) the density, thickness and type and quantity of the selected paper are best the same ...
- 2018-5-15The influence of the method of measuring the mechanical impu
In addition to the visual qualitative monitoring used in the operation supervision, the methods for measuring the mechanical impurities in oil products have been adopted and the methods are being carr ...
- 2018-5-15Particle size generation and treatment in hydraulic oil filt
The particle size in the oil is the solid granular mechanical impurity that is precipitated and suspended in the oil; it is expressed as the number and size of the mechanical impurities in the oil per ...
- 2018-5-15The production and treatment of mechanical impurities in hyd
The impurity in machine area refers to all substances in oil products which are not soluble in solvent or gasoline. These impurities are mainly composed of sand, clay, iron dust, fiber, dust and so on ...
- 2018-5-15The ash of the oil and oil in the compressor is operated in
(1) ash can be used as an oil refining, washing is normal, such as the use of acid, alkali, clay refining, slag purification is not complete, then the residue of salt and soap will increase ash. There ...
- 2018-5-15Matters needing attention in the operation of oil filter in
Standard method for determination of ash in oil products by insulating oil. (1) to burn test oil with filter paper to cover the purpose of testing oil; (1) the filter paper which is rolled into a ...
- 2018-5-15The influence of transformer oil filter on the ash content o
The amount of oil ash content is the best unit index for testing the cleanliness of oil after filter oil filter. After burning, the remaining noncombustible material, called ash, is expressed as a per ...
- 2018-5-15Influence of interfacial tension on lubrication system of hy
(1) the quality of the new oil can be identified. Mineral insulating oil is a mixture of various hydrocarbons. In the process of refining, some non ideal components, including oxygen containing compou ...
- 2018-5-15What should we pay attention to when measuring the interfaci
(1) the method of measuring the interfacial tension is by the ring method. In order to ensure that the platinum ring can be completely wetted, the rings and test cups should be cleaned according to th ...
- 2018-5-15The main factors that affect the interfacial tension of hydr
(1) the influence of surfactant. Some substances such as fatty acids, which contain polar groups of OH type, can reduce the surface tension of liquids. Substances that can reduce surface tension are ...
- 2018-5-15The principle of measuring the interfacial tension of the in
The interfacial tension of insulating oil refers to the tension produced by measuring the interface between oil and incompatible water. Usually, the interface of oil is: oil, gas, oil, liquid, oil and ...