CN107907667A - The assay method of refrigerator oil foam characteristic in a kind of totally-enclosed compressor - Google Patents

The assay method of refrigerator oil foam characteristic in a kind of totally-enclosed compressor Download PDF

Info

Publication number
CN107907667A
CN107907667A CN201711220981.0A CN201711220981A CN107907667A CN 107907667 A CN107907667 A CN 107907667A CN 201711220981 A CN201711220981 A CN 201711220981A CN 107907667 A CN107907667 A CN 107907667A
Authority
CN
China
Prior art keywords
foam
refrigerator oil
compressor
oil
totally
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711220981.0A
Other languages
Chinese (zh)
Inventor
陈波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Hatcol Chemical Technology Co Ltd
Original Assignee
Hubei Hatcol Chemical Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubei Hatcol Chemical Technology Co Ltd filed Critical Hubei Hatcol Chemical Technology Co Ltd
Priority to CN201711220981.0A priority Critical patent/CN107907667A/en
Publication of CN107907667A publication Critical patent/CN107907667A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26Oils; viscous liquids; paints; inks
    • G01N33/28Oils, i.e. hydrocarbon liquids
    • G01N33/2888Lubricating oil characteristics, e.g. deterioration

Abstract

The invention discloses a kind of assay method of refrigerator oil foam characteristic in totally-enclosed compressor, the foaming characteristic and foam stability of refrigerator oil are effectively measured by simulating refrigerator oil local environment in totally-enclosed compressor.This method more meets actual requirement of the totally-enclosed compressor industry to refrigerator oil foam characteristic, it will standardize to the foam characteristic test method of the refrigerator oil of totally-enclosed compressor industry, and can realize that influence of the refrigerator oil to whole refrigerating device refrigeration effect and noise vibration etc. minimizes.

Description

The assay method of refrigerator oil foam characteristic in a kind of totally-enclosed compressor
Technical field
The present invention relates to the test method field of refrigerator oil foam characteristic, more particularly, to refrigerator in hermetic compressor The test method of oil whip characteristic.
Background technology
The foam characteristic of refrigerator oil refers to that the tendency of oil product generation foam and the stability of foam, refrigerator oil exist During actual use, some refrigerant can dissolve wherein, in compressor operating, due to being vibrated, be vigorously stirred, Refrigerant gas circulation etc. acts on, so that bubble is formed, therefore it is required that the tendentiousness of evaluation refrigerator oil foaming, main at present Measure the foam characteristic of refrigerator oil and other lubricating oil such as lubricating oil such as engine oil, gear oil, hydraulic oil.
Existing bioassay standard be by《GB/T 16630-1996 refrigerator oils》Middle regulation test method is《GB/ T12579-2002 lubricating oil foam characteristic determination methods》, it is necessary to foam characteristic analyzer, what is mainly measured is in normal pressure and room The foam characteristic of oil product at 24 DEG C and 93.5 DEG C of temperature.This kind of testing cost height, and its assay method is arranged on normal pressure and logical sky Under conditions of gas, the condition such as environment residing in totally-enclosed compressor and pressure is entirely different with refrigerator oil, gained knot Fruit has no practical significance for totally-enclosed compressor industry.The size of the foam characteristic of refrigerator oil can seriously affect it Whether largely enter kind of refrigeration cycle pipeline, so as to cause compressor internal lubrication and cooling effect to be deteriorated, and then influence refrigeration and set Noise, vibration and the refrigeration effect of standby complete machine, can also give maintenance to make troubles after sale.
Correlative study is there is no to improve the research method of refrigerator oil foam characteristic in compressor industry at present.
Actually in totally-enclosed compressor, refrigerator oil foaming characteristic can be subject to each component materials of compressor that it is touched The influence of material and refrigerant;, also can be to refrigerator oil foam characteristic and whole compressor is in a vacuum environment There is considerable influence.If can realize simulation totally-enclosed compressor operation when refrigerator oil residing for environmental pressure and its touched Material can be solved the problems, such as to carry out the test of its foam characteristic, it will to the bubble of the refrigerator oil of totally-enclosed compressor industry Foam characteristic test method standardizes, and can realize the minimum that refrigerator oil adversely affects whole refrigeration plant.
The content of the invention
Goal of the invention:In order to solve the problems of in the prior art, the present invention proposes a kind of using existing true Sky pump and fixture are the test method that refrigerator oil foam characteristic in totally-enclosed compressor can be achieved.
Technical solution:To achieve these objectives, the present invention takes following technical scheme:Refrigerator in a kind of totally-enclosed compressor The assay method of oil whip characteristic, it is characterised in that include the following steps.
(1)The preparation of testing tool:Vacuum pump 1, the pressure-resistant transparent vessel 2 with volume markings, with silica gel plug, air valve The transparent vessel fixture (home-built equipment) 3 of door and pressure gauge, compressor electric motor material(Strapping, enameled wire)With polyester piece, work Plug, valve plate 4, refrigerant (being gas under normal pressure) 5;Constant water bath box 6.
(2)By the loading such as lubricating oil A to be measured and strapping, enameled wire polyester piece, piston, valve plate 4 with volume markings In pressure-resistant transparent vessel 2, lubrication oil volume to be measured is made by oneself but is no more than with submerging compressor material and liquid level for container volume Subject to 1/2, pressure-resistant transparent vessel is sealed with fixture 3 and is fixed.
(3)By the valve port of fixture and vacuum pump 1 by rubber tube unicom, then certain pumping speed is evacuated to transparent appearance Liquid level bubble-free produces in device, adds a certain amount of refrigerant 5, refrigerator oil ratio should be slightly less than in its addition and transparent vessel The ratio of refrigerant and refrigeration oil in compressor.
(4)Refrigerator oil in refrigerant and pressure-resistant transparent vessel is shaken up, placement a few minutes to mixture forms homogeneous Liquid, then will be placed in 65 DEG C of waters bath with thermostatic control 6 in container, opens air valve flare refrigerant steam and timing emptying time is TA, rear to stand a few minutes and refrigerant vapour is emptied as far as possible, the volume of mixing liquid is V to record in graduated vessels at this timeA
(5)Then connection vacuum pump vacuumizes, and observes and writes down the volume V of foam in graduated vessels when starting to vacuumizeA1, Because foam height highest at this time.
(6)A period of time is stood, observes and writes down the volume V of foam in graduated vessels when starting to vacuumizeA2
(7)Take lubricating oil B repeat steps (2)-(6) to be measured and record respective value TB、VB、VB1、VB2
Wherein foaming characteristic passes through QA1、QB1To weigh, numerical value shows that more greatly foam tendentiousness is stronger.
QA1=VA-VA;; QB1=VB1-VB
Wherein foam stability passes through WA2、WB2To weigh, numerical value shows that more greatly foam stability is stronger.
WA1=VA2-VA; WB1=VB2-VB
In order to ensure the safety of experimentation with smoothly, and can more intuitively observe and judge experimental phenomena and statistics Result of the test, the container must be the pressure vessel of the transparent material with volume markings.
In order to ensure experimental result, local environment is similar within the compressor with refrigerator oil, the continuous mode of this experimental result Need to vacuumize.
In order to ensure the validity of experimental result and accuracy, need to be passed through refrigerant gas in refrigerator oil in this experimentation Body and add its all material being likely to be exposed within the compressor:Motor material(Strapping, enameled wire)With polyester piece, work Plug, valve plate etc..
Beneficial effect:The assay method of refrigerator oil foam characteristic in a kind of totally-enclosed compressor provided by the invention, leads to Simulation refrigerator oil local environment and institute's contact material in totally-enclosed compressor are crossed, effectively to measure the blistering of refrigerator oil Property and foam stability;This method can be used as totally-enclosed compressor and select one of standard of refrigerator oil, only meet this The oil product of a requirement could be avoided since oil product largely enters kind of refrigeration cycle pipeline, so as to cause compressor to moisten in actual use Sliding and thermal diffusivity decline, and then cause the increasing of noise vibration and the decline of refrigeration effect.
Brief description of the drawings
Fig. 1 is testing tool schematic diagram in embodiment 1.
Embodiment
Embodiment 1:
Two No. 10 mineral type refrigerator oils are allocated labeled as oil A and oil B, use refrigerator in a kind of following totally-enclosed compressor The assay method of oil whip characteristic compares and analyzes the foam characteristic of two refrigerator oil, comprises the following steps that.
(1)The preparation of testing tool:Vacuum pump 1 one, the pressure-resistant transparent vessels of 30ml 2 two with volume markings, band There are the transparent vessel fixture 3 two of silica gel plug, air valve and pressure gauge, compressor electric motor material(Strapping, enameled wire)With it is poly- 4 two parts of ester piece, piston, valve plate each 0.5g, 5 common 2.8g of R600a refrigerants, constant water bath box 6.
(2)Each 0.5g such as the common 4.5g of lubricating oil A to be measured and strapping, enameled wire polyester piece, piston, valve plate 4 is loaded into band Have in the pressure-resistant transparent vessel 2 of volume markings, pressure-resistant transparent vessel is sealed with fixture 3 and is fixed.
(3)By the valve port of fixture and vacuum pump 1 by rubber tube unicom, then it is evacuated to every 170L/min Liquid level bubble-free produces in bright container, adds 1.4gR600a refrigerants.
(4)Refrigerator oil in refrigerant and pressure-resistant transparent vessel is shaken up, placement a few minutes to mixture forms homogeneous Liquid, then will be placed in 65 DEG C of waters bath with thermostatic control 6 in container, opens air valve flare refrigerant steam and timing emptying time is T1, the rear 5min that stands make refrigerant vapour empty as far as possible, and the volume for recording intra-tank mixed liquor body at this time is VA
(5)Then connection vacuum pump is vacuumized with every 170L/min, is observed and is write down when starting to vacuumize foam in container Volume HA1, foam height highest at this time.
(6)10min ± 5s is stood, observes and writes down the volume V of foam in container when starting to vacuumizeA2
(7)Take lubricating oil B repeat steps (2)-(6) to be measured and record respective value TB、HB1、HB2
Wherein foaming characteristic passes through VA1、VB1To weigh, numerical value shows that more greatly foam tendentiousness is stronger.
QA1=VA1-VA;; QB1=VB1-VB
Wherein foam stability passes through WA2、WB2To weigh, numerical value shows that more greatly foam stability is stronger.
WA1=VA2-VA; WB1=VB2-VB
The results are shown in Table 1 for record more than.
Lubricating oil A and lubricating oil B foam characteristics compare.
Table 1.
Oil product batch Foamability Q, ml Foam stability W, ml
Refrigerator oil A 1.1 0
Refrigerator oil B 1.5 0
By test, intuitively quickly the foam characteristic of refrigerator oil A and refrigerator oil B can be analyzed, table 1 counts According to showing, the foamability of oily B is better than lubricating oil A.
Beneficial effect:The assay method of refrigerator oil foam characteristic in a kind of totally-enclosed compressor provided by the invention, can It is used as totally-enclosed compressor and selects one of standard of refrigerator oil, only meets that this desired oil product could actually make Avoid, since oil product largely enters kind of refrigeration cycle pipeline, so as to cause the decline of compressor lubrication and thermal diffusivity, and then leading in Cause the increasing of noise vibration and the decline of refrigeration effect.
It should be pointed out that for those skilled in the art, without departing from the principle of the present invention,
Some improvement can also be made, these improvement also should be regarded as protection scope of the present invention.

Claims (3)

1. the assay method of refrigerator oil foam characteristic in a kind of totally-enclosed compressor, it is characterised in that include the following steps:
(1)The preparation of testing tool:Vacuum pump 1, the pressure-resistant transparent vessel 2 with volume markings, with silica gel plug, air valve and The transparent vessel fixture 3 of pressure gauge, compressor electric motor material(Strapping, enameled wire)With polyester piece, piston, valve plate 4, refrigerant 5;
(2)The loading such as lubricating oil A to be measured and strapping, enameled wire polyester piece, piston, valve plate 4 is pressure-resistant with volume markings In transparent vessel 2, lubrication oil volume to be measured is made by oneself but is no more than with to submerge compressor material and liquid level is for the 1/2 of container volume Standard, pressure-resistant transparent vessel is sealed fix with fixture 3;
(3)By the valve port of fixture and vacuum pump 1 by rubber tube unicom, then certain pumping speed is evacuated to liquid in transparent vessel Face bubble-free produces, and adds a certain amount of R600a refrigerants 5, refrigerator oil ratio should be slightly less than in its addition and transparent vessel The ratio of refrigerant and refrigeration oil in compressor;
(4)Refrigerator oil in refrigerant and pressure-resistant transparent vessel is shaken up, a few minutes to mixture is placed and forms homogeneous liquid Body, it then will be placed in container in 65 DEG C of waters bath with thermostatic control, open air valve flare refrigerant steam and timing emptying time is TA, rear to stand a few minutes and refrigerant vapour is emptied as far as possible, the volume of record mixing liquid at this time is VA
(5)Then connection vacuum pump vacuumizes, and observes and writes down the volume V of foam when starting to vacuumizeA1, because foam at this time Height highest;
(6)A period of time is stood, observes and writes down the volume V of foam when starting to vacuumizeA2
(7)Take lubricating oil B repeat steps (2)-(6) to be measured and record respective value TB、VB、VB1、VB2
(8)Wherein foaming characteristic is weighed by QA1, QB1, and numerical value shows that more greatly foam tendentiousness is stronger;
QA1=VA1-VA; QB1=VB1-VB
Wherein foam stability is weighed by WA2, WB2, and numerical value shows that more greatly foam stability is stronger, WA1=VA2-VA; WB1= VB2-VB
2. the assay method of refrigerator oil foam characteristic in totally-enclosed compressor according to claim 1, it is characterised in that: The continuous mode of foam characteristic needs to vacuumize.
3. the assay method of refrigerator oil foam characteristic in totally-enclosed compressor according to claim 1, it is characterised in that: Need to be passed through refrigerant gas in refrigerator oil in this experimentation and add its all material being likely to be exposed within the compressor Material:Motor material(Strapping, enameled wire)With polyester piece, piston, valve plate etc..
CN201711220981.0A 2017-11-29 2017-11-29 The assay method of refrigerator oil foam characteristic in a kind of totally-enclosed compressor Pending CN107907667A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711220981.0A CN107907667A (en) 2017-11-29 2017-11-29 The assay method of refrigerator oil foam characteristic in a kind of totally-enclosed compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711220981.0A CN107907667A (en) 2017-11-29 2017-11-29 The assay method of refrigerator oil foam characteristic in a kind of totally-enclosed compressor

Publications (1)

Publication Number Publication Date
CN107907667A true CN107907667A (en) 2018-04-13

Family

ID=61849075

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711220981.0A Pending CN107907667A (en) 2017-11-29 2017-11-29 The assay method of refrigerator oil foam characteristic in a kind of totally-enclosed compressor

Country Status (1)

Country Link
CN (1) CN107907667A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103105457A (en) * 2011-11-10 2013-05-15 中国石油化工股份有限公司 Apparatus for evaluating defoaming performance of defoaming agent
CN204086069U (en) * 2014-09-04 2015-01-07 淄博纳瑞仪器有限公司 Lubricating oil antifoaming charactistic analyzer
CN204575641U (en) * 2015-05-12 2015-08-19 西安国联质量检测技术有限公司 A kind of lubricating oil foam characteristic analyzer of improvement
CN106168564A (en) * 2016-09-22 2016-11-30 珠海格力节能环保制冷技术研究中心有限公司 A kind of device and method measuring refrigerator oil and cold-producing medium blending agent
CN106645657A (en) * 2017-03-17 2017-05-10 希玛石油制品(镇江)有限公司 Simple lubricating oil foam characteristic qualitative testing method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103105457A (en) * 2011-11-10 2013-05-15 中国石油化工股份有限公司 Apparatus for evaluating defoaming performance of defoaming agent
CN204086069U (en) * 2014-09-04 2015-01-07 淄博纳瑞仪器有限公司 Lubricating oil antifoaming charactistic analyzer
CN204575641U (en) * 2015-05-12 2015-08-19 西安国联质量检测技术有限公司 A kind of lubricating oil foam characteristic analyzer of improvement
CN106168564A (en) * 2016-09-22 2016-11-30 珠海格力节能环保制冷技术研究中心有限公司 A kind of device and method measuring refrigerator oil and cold-producing medium blending agent
CN106645657A (en) * 2017-03-17 2017-05-10 希玛石油制品(镇江)有限公司 Simple lubricating oil foam characteristic qualitative testing method

Similar Documents

Publication Publication Date Title
Sánchez et al. Energy performance evaluation of R1234yf, R1234ze (E), R600a, R290 and R152a as low-GWP R134a alternatives
CN103097508B (en) Foam retention rising agent
US10801942B2 (en) Multi-functional multi-field coupling seepage experiment device and testing method thereof
CN204783953U (en) Energy -conserving test device of synthesis of solenoid valve and pneumatic cylinder reliability
Yu et al. Phase equilibria of oleic acid, methyl oleate, and anhydrous milk fat in supercritical carbon dioxide
WO2005089214A3 (en) A temperature-sensing device for determining the level of a fluid
CN103534541B (en) Refrigerating circulatory device
US20170314825A1 (en) Co-fluid refrigeration system and method
CN101477086A (en) Gas hydrate generating, sampling and analyzing method and apparatus
US10100264B2 (en) Experimental loop system for fluidization exploitation of solid-state marine gas hydrate
US20170241701A1 (en) Refrigerator and controlling method thereof
CN103471959B (en) The assay method of gas solubility parameter in a liquid and the system of mensuration
CN102297123A (en) Internal combustion engine oil pump test bed
Cabello et al. Experimental analysis of energy performance of modified single-stage CO2 transcritical vapour compression cycles based on vapour injection in the suction line
Zhu et al. Effects of micro-nano bubbles on the nucleation and crystal growth of sucrose and maltodextrin solutions during ultrasound-assisted freezing process
CN105180587B (en) Refrigerator and its control method
Li Indoor leakage test for safety of R-290 split type room air conditioner
Li et al. Experimental study on a multi-evaporator refrigeration system with variable area ratio ejector
JP2001280762A (en) Charging device for automotive air conditioning system
CN201803998U (en) Foam performance evaluation device
US20050103035A1 (en) Oil circulation observer for HVAC systems
CN202974595U (en) High-precision gas leak detection device
CN203811507U (en) Large multifunctional fracturing fluid experiment device
CN105910938A (en) Impact test box and impact mode thereof
CN205164752U (en) Novel cold test case

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20180413

WD01 Invention patent application deemed withdrawn after publication