CN102313799A - Soundness test device for lubricating oil oxidation and method for automatic oxygenation and oxygen evolution - Google Patents
Soundness test device for lubricating oil oxidation and method for automatic oxygenation and oxygen evolution Download PDFInfo
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- CN102313799A CN102313799A CN201110245893A CN201110245893A CN102313799A CN 102313799 A CN102313799 A CN 102313799A CN 201110245893 A CN201110245893 A CN 201110245893A CN 201110245893 A CN201110245893 A CN 201110245893A CN 102313799 A CN102313799 A CN 102313799A
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Abstract
The invention relates to a soundness test device for lubricating oil oxidation and a method for automatic oxygenation and oxygen evolution. The invention is characterized in that a metal bath mode is replaced of a traditional oil bath constant temperature mode, the metal bath is a disposable input without replacement, no odor is generated in the constant temperature process, no ventilation requirement is provided to the test environment, oxygen bomb and the metal bath are integrated, the outer wall is not required to be cleaned, the structure of the metal bath saves the occupation space of the device greatly, the metal bath body is small amount of a stainless steel material, the energy consumption of the metal bath body is much lower than that of oil bath, a magnetic force transmission mode is substituted of a traditional contact transmission mode, so that no metal impact sound is generated, the whole mechanism runs quietly, because the transmission parts is not required for heating, so that the expansion by heating will not generated, from the beginning of the automatic oxygenation and oxygen evolution to completion of the automatic oxygenation and oxygen evolution, the first two times oxygenation and oxygen evolution can be taken as a gas washing process, the last time oxygenation and oxygen evolution is an accurate oxygenation process. According to the invention, a plurality of safety protection measures are employed, the inflammable and combustion-supporting substances are participated in the test, multiple safety protection measures are provided in each link by device under high temperature and high pressure which greatly reduce the danger of the test.
Description
Technical field
The present invention relates to a kind of lubricating oil oxidation stability exerciser and charge and discharge the oxygen method automatically, relate in particular to a kind of magnetic drives formula metal bath lubricating oil oxidation stability exerciser and charge and discharge the oxygen method automatically.
Background technology
The lubricating oil oxidation stability exerciser is widely used in industries such as oil refining, lube product deep processing and oil quality supervision; Conventional lubrication oil oxidation stability exerciser (rotary oxygen bomb method); Aspect thermostatic bath, adopt oily medium thermostatic bath; Following defective is arranged: 1, need 30L silicone oil at least, cost an arm and a leg; 2, the oil bath heating produces peculiar smell, and the feature of environmental protection is poor; 3, oxygen bomb outer wall greasy dirt was difficult for cleaning after test was accomplished; 4, it is big between instrument takies; 5, the oil bath volume is big, and thermal capacitance is bigger, and energy consumption is high; Cause inconvenience, this external rotating mechanism aspect, traditional instrument contact gear train need be immersed in the oil bath, and not only noise is prone to defectives such as stuck greatly and after expanded by heating is arranged in the operational process.
Summary of the invention
A kind of lubricating oil oxidation stability exerciser provided by the invention and charge and discharge the oxygen method automatically adopts magnetic drives mode, metal bath constant temperature, small and exquisite, practical, convenient, safety, low-power consumption.
In order to achieve the above object; The present invention provides a kind of lubricating oil oxidation stability exerciser; This exerciser comprises the magnetic drives mode oxygen bomb metal bath assembled unit of gas circuit connection and charges and discharge the oxygen unit automatically; Also comprise the control system that circuit connects said magnetic drives mode oxygen bomb metal bath assembled unit and charges and discharge the oxygen unit automatically, also comprise circuit connect described control system and with the electric rotating machine of magnetic drives mode oxygen bomb metal bath assembled unit mechanical connection.
Described magnetic drives mode oxygen bomb metal bath assembled unit comprises:
The combination of oxygen bomb metal bath;
The oxygen bomb gland bonnet, it is arranged in the combination of oxygen bomb metal bath, with the common oxygen bomb body of forming of oxygen bomb metal bath combination, realizes the sealing of oxygen bomb body, oxygen inflatable in the body;
The metal bath well heater, it is outside that it is coated on the combination of oxygen bomb metal bath, and circuit connects described control system;
The sample holder rotating base, it is inner that it is arranged on the combination of oxygen bomb metal bath, places the glass sample holder on it, and this sample holder rotating base adopts permanent magnet;
Permanent magnet, it is arranged on oxygen bomb metal bath combination bottom, is fixedly connected the rotor of electric rotating machine;
Temperature sensor, it is arranged in the combination of oxygen bomb metal bath, and circuit connects described control system, the temperature variation of this temperature sensor monitors oxygen bomb metal bath combination.
Described magnetic drives mode oxygen bomb metal bath assembled unit also comprises the oxygen bomb gas-filled tube, and it connects the oxygen bomb body and charges and discharge the oxygen unit automatically.
The described oxygen unit that charges and discharge automatically comprises:
Pressure transducer, it connects described oxygen bomb body, and circuit connects described control system, the oxygen pressure variation in this pressure sensor monitoring oxygen bomb body;
The oxygenation solenoid valve, the one of which end connects source of the gas, and other end gas circuit connects described oxygen bomb body;
Put the oxygen solenoid valve, one of which end gas circuit connects described oxygen bomb body.
Described exerciser also comprises touch-screen and the print module that circuit connects said control system.
The present invention also provides a kind of oxygen method that charges and discharge automatically that is used for the lubricating oil oxidation stability exerciser, comprises following steps:
Step 1, oxygenation solenoid valve are opened, and automatic oxygenation begins;
Step 2, whether judge oxygen bomb pressure greater than 620KPa, if carry out step 3;
Step 3, oxygenation closed electromagnetic valve;
Step 4, time-delay 20s;
Step 5, put the oxygen solenoid valve and open;
Step 6, judge that whether oxygen bomb pressure is less than 50 KPa, if carry out step 7;
Step 7, put the oxygen closed electromagnetic valve;
Step 8, oxygenation solenoid valve are opened;
Step 9, whether judge oxygen bomb pressure greater than 620KPa, if carry out step 10;
Step 10, oxygenation closed electromagnetic valve;
Step 11, time-delay 20s;
Step 12, put the oxygen solenoid valve and open;
Step 13, judge that whether oxygen bomb pressure is less than 50 KPa, if carry out step 14;
Step 14, put the oxygen closed electromagnetic valve;
Step 15, oxygenation solenoid valve are opened;
Step 16, whether judge oxygen bomb pressure greater than 550KPa, if carry out step 17;
Step 17, oxygenation closed electromagnetic valve;
Step 18, time-delay 20s;
Step 19, oxygenation solenoid valve are opened 500mS;
Step 20, time-delay 20s;
Step 21, whether judge oxygen bomb pressure less than 619KPa, if, carry out step 19, if not, carry out step 22;
Step 22, whether judge oxygen bomb pressure greater than 621KPa, if, carry out step 23, if not, carry out step 25;
Step 23, put the oxygen solenoid valve and open 500mS;
Step 24, time-delay 20s carry out steps 21;
Step 25, automatic oxygenation are accomplished, and finish.
When pressure accumulation is lower than 550kPa in the oxygen bomb, forbid the motor rotation.
When metal bath temperature is higher than 152 ℃ (or 142 ℃), stop the metal bath heating.
When metal bath temperature is higher than 160 ℃, cut off the metal bath heating power supply.
When the oxygen bomb internal pressure surpassed 1.2MPa, forbidding was inflated solenoid valve automatically.
The present invention has the following advantages:
1, use metal bath to replace the conventional oil bath thermostatic mode, disposable input need be changed, free from extraneous odour in the thermostatic process; Experimental enviroment there is not air-conditioning requirement; Oxygen bomb and metal bath become one, and need not to clean outer wall, and the metal bath structure is greatly saved instrument and taken up room; The metal bath body is a small amount of stainless steel material, energy consumption low and oil bath far away.
2, use the magnetic drives mode to replace traditional contact kind of drive, therefore can not produce the metal strike note, because rotatable parts need not to heat, there is not expanded by heating in the quiet running of entire mechanism.
3, adopt multinomial safety precautions, what participate in test is inflammable, combustion-supporting material, and under HTHP, carries out instrument and be provided with the maltilevel security safeguard measure in each link, greatly reduces the danger of test.
Description of drawings
Fig. 1 is a structural representation block diagram of the present invention;
Fig. 2 is the structural representation of magnetic drives mode oxygen bomb metal bath assembled unit of the present invention;
Fig. 3 is the structural representation that charges and discharge the oxygen unit automatically of the present invention;
Fig. 4 is the oxygen figure that charges and discharge automatically of the present invention.
Embodiment
Following according to Fig. 1～Fig. 4, specify preferred embodiment of the present invention.
As shown in Figure 1; The present invention provides a kind of lubricating oil oxidation stability exerciser; This exerciser comprises the magnetic drives mode oxygen bomb metal bath assembled unit 101 of gas circuit connection and charges and discharge oxygen unit 102 automatically; Also comprise the control system 103 that circuit connects said magnetic drives mode oxygen bomb metal bath assembled unit 101 and charges and discharge oxygen unit 102 automatically, also comprise circuit connect described control system 103 and with the electric rotating machine 6 of magnetic drives mode oxygen bomb metal bath assembled unit 101 mechanical connections.
Described exerciser also comprises the touch-screen 103 and print module 105 that circuit connects said control system 103.
As shown in Figure 2, described magnetic drives mode oxygen bomb metal bath assembled unit 101 comprises:
Oxygen bomb metal bath combination 8;
Oxygen bomb gland bonnet 9, it is arranged in the oxygen bomb metal bath combination 8, with the oxygen bomb metal bath combination 8 common oxygen bomb bodies of forming, realizes the sealing of oxygen bomb body, oxygen inflatable in the body;
Metal bath well heater 1, it is coated on the oxygen bomb metal bath and makes up 8 outsides, and circuit connects described control system 103;
Sample holder rotating base 3, it is arranged on the oxygen bomb metal bath and makes up 8 inside, places glass sample holder 2 on it, and this sample holder rotating base 3 adopts permanent magnet;
Permanent magnet 5, it is arranged on the oxygen bomb metal bath and makes up 8 bottoms, is fixedly connected the rotor of electric rotating machine 6;
Temperature sensor 7, it is arranged in the oxygen bomb metal bath combination 8, and circuit connects described control system 103, the temperature variation of these temperature sensor 7 monitoring oxygen bomb metal bath combinations 8; Oxygen bomb gas-filled tube 4, it connects the oxygen bomb body and charges and discharge oxygen unit 102 automatically;
As shown in Figure 3, the described oxygen unit 102 that charges and discharge automatically comprises:
Pressure transducer 10, it connects described oxygen bomb body, and circuit connects described control system 103, the oxygen pressure variation in these pressure transducer 10 monitoring oxygen bomb bodies;
Oxygenation solenoid valve 11, the one of which end connects source of the gas, and other end gas circuit connects described oxygen bomb body;
Put oxygen solenoid valve 12, one of which end gas circuit connects described oxygen bomb body.
Control system 103 driven in rotation motors 6 rotate; Drive the speed rotation of permanent magnet 5 with 100r/min; The metal bath body that magnetic force sees through in the oxygen bomb metal bath combination 8 acts on sample holder base 3, is implemented under the contactless situation, and sample holder base 3 drives glass sample holder 2 and rotates synchronously.
Metal bath body in 1 pair of oxygen bomb metal bath combination 8 of control system 103 control metal bath well heaters heats, and the temperature monitoring data of control system 103 collecting temperature sensors 7 are carried out precise dose control, make the temperature of metal bath reach testing requirements.
Control system 103 is controlled oxygenation solenoid valves 11 and is put oxygen solenoid valve 12 break-makes, the oxygen bomb body is carried out oxygen charge and discharge, and the pressure monitoring data that control system 103 is gathered pressure transducers 10 charge and discharge oxygen control, make oxygen bomb body internal pressure reach desired value.
Control system 103 is handled experimental data; And realize mutual with touch-screen 103 and print module 105; Control system 103 control print modules 105 are printed experimental data, and operational order is transferred to control system 103 through touch-screen 103, and control system 103 is presented at instruction and data on the touch-screen 103.
Control system 103 adopts MCU (microcontroller single-chip microcomputer).
As shown in Figure 4, be used for the oxygen method that charges and discharge automatically of lubricating oil oxidation stability exerciser, comprise following steps:
Step 1, oxygenation solenoid valve are opened, and automatic oxygenation begins;
Step 2, whether judge oxygen bomb pressure greater than 620KPa, if carry out step 3;
Step 3, oxygenation closed electromagnetic valve;
Step 4, time-delay 20s;
Step 5, put the oxygen solenoid valve and open;
Step 6, judge that whether oxygen bomb pressure is less than 50 KPa, if carry out step 7;
Step 7, put the oxygen closed electromagnetic valve;
Step 8, oxygenation solenoid valve are opened;
Step 9, whether judge oxygen bomb pressure greater than 620KPa, if carry out step 10;
Step 10, oxygenation closed electromagnetic valve;
Step 11, time-delay 20s;
Step 12, put the oxygen solenoid valve and open;
Step 13, judge that whether oxygen bomb pressure is less than 50 KPa, if carry out step 14;
Step 14, put the oxygen closed electromagnetic valve;
Step 15, oxygenation solenoid valve are opened;
Step 16, whether judge oxygen bomb pressure greater than 550KPa, if carry out step 17;
Step 17, oxygenation closed electromagnetic valve;
Step 18, time-delay 20s;
Step 19, oxygenation solenoid valve are opened 500mS;
Step 20, time-delay 20s;
Step 21, whether judge oxygen bomb pressure less than 619KPa, if, carry out step 19, if not, carry out step 22;
Step 22, whether judge oxygen bomb pressure greater than 621KPa, if, carry out step 23, if not, carry out step 25;
Step 23, put the oxygen solenoid valve and open 500mS;
Step 24, time-delay 20s carry out steps 21;
Step 25, automatic oxygenation are accomplished, and finish.
Begin to accomplish from charging and discharging oxygen automatically, experience the control action that oxygen is put in 3 oxygenations for 2 times altogether to charging and discharging oxygen automatically.Wherein preceding to fill/put oxygen 2 times be gas scrubbing, and last 1 time is accurate oxygenation process.
The process of the test of rotary oxygen bomb method lubricating oil oxidation stability test is a simulation lube product at high temperature, high pressure, pure oxygen, the process of oxidation under the condition of catalyzer is arranged.The present invention is guarantee instrument work safe and reliable, has taked following measure: 1, when pressure accumulation is lower than 550kPa in the oxygen bomb, forbid the motor rotation; 2, when metal bath temperature is higher than 152 ℃ (or 142 ℃) (the test temperature controlling point is 150 ℃ then corresponding 152 ℃, and temperature controlling point is 140 ℃ then corresponding 142 ℃) stops the metal bath heating; 3, when metal bath temperature is higher than 160 ℃, cut off the metal bath heating power supply; 4, when the oxygen bomb internal pressure surpasses 1.2MPa, forbidding is inflated solenoid valve automatically.
Although content of the present invention has been done detailed introduction through above-mentioned preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited appended claim.
Claims (10)
1. lubricating oil oxidation stability exerciser; It is characterized in that; This exerciser comprises the magnetic drives mode oxygen bomb metal bath assembled unit (101) of gas circuit connection and charges and discharge oxygen unit (102) automatically; Also comprise the control system (103) that circuit connects said magnetic drives mode oxygen bomb metal bath assembled unit (101) and charges and discharge oxygen unit (102) automatically, also comprise circuit connect described control system (103) and with the electric rotating machine (6) of magnetic drives mode oxygen bomb metal bath assembled unit (101) mechanical connection.
2. lubricating oil oxidation stability exerciser as claimed in claim 1 is characterized in that, described magnetic drives mode oxygen bomb metal bath assembled unit (101) comprises:
Oxygen bomb metal bath combination (8);
Oxygen bomb gland bonnet (9), it is arranged in the oxygen bomb metal bath combination (8), forms the oxygen bomb body jointly with oxygen bomb metal bath combination (8), realizes the sealing of oxygen bomb body, oxygen inflatable in the body;
Metal bath well heater (1), it is coated on oxygen bomb metal bath combination (8) outside, and circuit connects described control system (103);
Sample holder rotating base (3), it is arranged on oxygen bomb metal bath combination (8) inside, places glass sample holder (2) on it, and this sample holder rotating base (3) adopts permanent magnet;
Permanent magnet (5), it is arranged on oxygen bomb metal bath combination (8) bottom, is fixedly connected the rotor of electric rotating machine (6);
Temperature sensor (7), it is arranged in the oxygen bomb metal bath combination (8), and circuit connects described control system (103), the temperature variation of this temperature sensor (7) monitoring oxygen bomb metal bath combination (8).
3. lubricating oil oxidation stability exerciser as claimed in claim 2 is characterized in that, described magnetic drives mode oxygen bomb metal bath assembled unit (101) also comprises oxygen bomb gas-filled tube (4), and it connects the oxygen bomb body and charges and discharge oxygen unit (102) automatically.
4. lubricating oil oxidation stability exerciser as claimed in claim 2 is characterized in that, the described oxygen unit (102) that charges and discharge automatically comprises:
Pressure transducer (10), it connects described oxygen bomb body, and circuit connects described control system (103), the oxygen pressure variation in this pressure transducer (10) monitoring oxygen bomb body;
Oxygenation solenoid valve (11), the one of which end connects source of the gas, and other end gas circuit connects described oxygen bomb body;
Put oxygen solenoid valve (12), one of which end gas circuit connects described oxygen bomb body.
5. lubricating oil oxidation stability exerciser as claimed in claim 1 is characterized in that, described exerciser also comprises touch-screen (103) and the print module (105) that circuit connects said control system (103).
6. the oxygen method that charges and discharge automatically that is used for the lubricating oil oxidation stability exerciser is characterized in that, comprises following steps:
Step 1, oxygenation solenoid valve are opened, and automatic oxygenation begins;
Step 2, whether judge oxygen bomb pressure greater than 620KPa, if carry out step 3;
Step 3, oxygenation closed electromagnetic valve;
Step 4, time-delay 20s;
Step 5, put the oxygen solenoid valve and open;
Step 6, judge that whether oxygen bomb pressure is less than 50 KPa, if carry out step 7;
Step 7, put the oxygen closed electromagnetic valve;
Step 8, oxygenation solenoid valve are opened;
Step 9, whether judge oxygen bomb pressure greater than 620KPa, if carry out step 10;
Step 10, oxygenation closed electromagnetic valve;
Step 11, time-delay 20s;
Step 12, put the oxygen solenoid valve and open;
Step 13, judge that whether oxygen bomb pressure is less than 50 KPa, if carry out step 14;
Step 14, put the oxygen closed electromagnetic valve;
Step 15, oxygenation solenoid valve are opened;
Step 16, whether judge oxygen bomb pressure greater than 550KPa, if carry out step 17;
Step 17, oxygenation closed electromagnetic valve;
Step 18, time-delay 20s;
Step 19, oxygenation solenoid valve are opened 500mS;
Step 20, time-delay 20s;
Step 21, whether judge oxygen bomb pressure less than 619KPa, if, carry out step 19, if not, carry out step 22;
Step 22, whether judge oxygen bomb pressure greater than 621KPa, if, carry out step 23, if not, carry out step 25;
Step 23, put the oxygen solenoid valve and open 500mS;
Step 24, time-delay 20s carry out steps 21;
Step 25, automatic oxygenation are accomplished, and finish.
7. the oxygen method that charges and discharge automatically that is used for the lubricating oil oxidation stability exerciser as claimed in claim 6 is characterized in that, when pressure accumulation is lower than 550kPa in the oxygen bomb, forbids the motor rotation.
8. the oxygen method that charges and discharge automatically that is used for the lubricating oil oxidation stability exerciser as claimed in claim 6 is characterized in that, when metal bath temperature is higher than 152 ℃, or 142 ℃ the time, stops the metal bath heating.
9. the oxygen method that charges and discharge automatically that is used for the lubricating oil oxidation stability exerciser as claimed in claim 6 is characterized in that, when metal bath temperature is higher than 160 ℃, cuts off the metal bath heating power supply.
10. the oxygen method that charges and discharge automatically that is used for the lubricating oil oxidation stability exerciser as claimed in claim 6 is characterized in that, when the oxygen bomb internal pressure surpassed 1.2MPa, forbidding was inflated solenoid valve automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110245893A CN102313799A (en) | 2011-08-25 | 2011-08-25 | Soundness test device for lubricating oil oxidation and method for automatic oxygenation and oxygen evolution |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110245893A CN102313799A (en) | 2011-08-25 | 2011-08-25 | Soundness test device for lubricating oil oxidation and method for automatic oxygenation and oxygen evolution |
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| CN102313799A true CN102313799A (en) | 2012-01-11 |
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| CN201110245893A Pending CN102313799A (en) | 2011-08-25 | 2011-08-25 | Soundness test device for lubricating oil oxidation and method for automatic oxygenation and oxygen evolution |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634722A (en) * | 2014-12-05 | 2015-05-20 | 大连北方分析仪器有限公司 | Method and device for detecting oxidation stability of lubricating oil |
| CN105738707A (en) * | 2014-12-10 | 2016-07-06 | 中国石油天然气股份有限公司 | Device and method for continuously detecting transformer oil insulation performance in high-voltage rapid oxidation |
| CN105738413A (en) * | 2014-12-10 | 2016-07-06 | 中国石油天然气股份有限公司 | Device and method for rapidly detecting oxidation stability of transformer oil |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104634722A (en) * | 2014-12-05 | 2015-05-20 | 大连北方分析仪器有限公司 | Method and device for detecting oxidation stability of lubricating oil |
| CN105738707A (en) * | 2014-12-10 | 2016-07-06 | 中国石油天然气股份有限公司 | Device and method for continuously detecting transformer oil insulation performance in high-voltage rapid oxidation |
| CN105738413A (en) * | 2014-12-10 | 2016-07-06 | 中国石油天然气股份有限公司 | Device and method for rapidly detecting oxidation stability of transformer oil |
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Application publication date: 20120111 |