CN110624702A - Intelligent centrifugal oil purifier - Google Patents
Intelligent centrifugal oil purifier Download PDFInfo
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- CN110624702A CN110624702A CN201910929071.2A CN201910929071A CN110624702A CN 110624702 A CN110624702 A CN 110624702A CN 201910929071 A CN201910929071 A CN 201910929071A CN 110624702 A CN110624702 A CN 110624702A
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- 238000001514 detection method Methods 0.000 claims abstract description 46
- 238000004140 cleaning Methods 0.000 claims description 30
- 239000012530 fluid Substances 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000000746 purification Methods 0.000 abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 230000001050 lubricating effect Effects 0.000 abstract description 7
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 238000005070 sampling Methods 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 317
- 239000007788 liquid Substances 0.000 description 12
- 239000002245 particle Substances 0.000 description 6
- 101100293604 Hordeum vulgare NAS7 gene Proteins 0.000 description 4
- 101100529043 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RPN9 gene Proteins 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 101150005408 nas-6 gene Proteins 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 101100459774 Caenorhabditis elegans nas-12 gene Proteins 0.000 description 2
- 101100293607 Caenorhabditis elegans nas-9 gene Proteins 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010724 circulating oil Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 101100293606 Hordeum vulgare NAS8 gene Proteins 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B13/00—Control arrangements specially designed for centrifuges; Programme control of centrifuges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Medicinal Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention discloses an intelligent centrifugal oil purifier, wherein an intelligent detection system is arranged inside or outside the centrifugal oil purifier and comprises a detector, the centrifugal oil purifier comprises a PLC control system, and the detector is electrically connected with the PLC control system. The intelligent centrifugal oil purifier can intelligently detect the granularity and the water content of oil while purifying the oil, is convenient for a user to master the oil purification condition in real time, saves the sampling and inspection processes, saves the labor cost, saves the cost for purchasing a detection instrument for the user, can automatically clean the detector, can intelligently monitor the oil and purify the oil by a lubricating system, is convenient for timely and effectively automatically managing the whole oil purification process, and avoids the problem that the oil exceeds the standard and causes the fault of the lubricating system due to untimely monitoring or purification.
Description
Technical Field
The invention relates to an intelligent centrifugal oil purifier.
Background
The centrifugal oil purifier removes solid impurities, water, air and other pollutants in oil liquid by adopting a centrifugal separation principle. The existing centrifugal oil purifier is divided into a manual type and an automatic type according to different degrees of automation, the automatic type realizes one-key starting, automatic exhaust, automatic drainage, automatic fault alarm and display and the like, the degree of automation is higher, but the existing centrifugal oil purifier cannot detect indexes (such as granularity, water content and the like) of oil liquid in purification in real time, timing sampling and inspection are often needed to judge whether the oil liquid meets the purification requirement while the oil liquid is purified, if the detection result meets the requirement, manual shutdown is needed, sampling detection is needed after the oil liquid is used for a period of time, whether the oil liquid needs to be purified again is judged, and the steps are repeated all the time; however, sampling, inspection and detection requirements are strict, requirements on the manual technical level are high, results are easily influenced by human factors, most enterprises are not equipped with detection equipment, the detection equipment needs to occupy a large amount of capital for purchasing the detection equipment, and in addition, if personnel monitor the oil untimely, the oil can run beyond the standard, and damage is caused to a lubricating system. In order to improve the purification efficiency in the prior art, a technical scheme that three centrifugal cylinders or even more centrifugal cylinders are connected in series is often adopted to improve the purification efficiency of the oil, the purification efficiency is improved, but the number of the centrifugal cylinders is large, and the performance cost is low.
Disclosure of Invention
In order to solve the problems of the conventional centrifugal oil purifier, the invention aims to provide the intelligent centrifugal oil purifier, so that the labor is saved, the adverse effect of human factors on the purification process is avoided, the integral oil purification cost is greatly reduced, the detection efficiency is improved, the cost performance of the oil purifier is improved, and the whole oil purification process is conveniently and effectively managed in time and automatically.
The purpose of the invention is realized by the following technical scheme.
The utility model provides an intelligent centrifugal oil purifier, is provided with intellectual detection system in centrifugal oil purifier inside or outside, intellectual detection system includes the detector, and the input of detector is connected with waits to detect the oil tank, and the output is connected with the micro-pressure oil pump, and the output of micro-pressure oil pump with wait to detect the oil tank and be connected, the micro-pressure oil pump with wait to detect the junction of oil tank be located the detector with wait to detect the top of oil tank junction, including PLC control system on the centrifugal oil purifier, the detector is connected with PLC control system electricity.
The flow rate of the micro-pressure oil pump is 100 ml/min-200 ml/min.
The intelligent detection system is arranged outside the centrifugal oil purifier, the oil tank to be detected is a user oil tank, a drain outlet is formed in the lower portion of the user oil tank, the drain outlet is connected with the centrifugal oil purifier through an oil absorption pipe of the oil purifier, an oil filler is formed in the upper portion of the user oil tank, the centrifugal oil purifier is connected with the oil filler through an oil outlet pipe of the oil purifier, a user oil tank oil outlet is formed in the lower portion of the user oil tank, the user oil tank oil outlet is connected with the input end of the detector, and the output end of the detector is.
The intelligent detection system is arranged outside the centrifugal oil purifier, the centrifugal oil purifier comprises an oil tank and a centrifugal cylinder, the centrifugal cylinder comprises a first centrifugal cylinder, a second centrifugal cylinder and a third centrifugal cylinder, the detector comprises a first detector and a second detector, the oil tank to be detected is the oil tank, the upper part of the oil tank is provided with an oil return port, the lower part of the oil tank is provided with an oil outlet, the input end of the first centrifugal cylinder is connected with the oil outlet of the oil tank through a pipeline, the output end of the first centrifugal cylinder is divided into two paths through the pipeline, one path is connected with the input end of the second centrifugal cylinder, the other path is connected with the input end of the first detector, the output end of the first detector is connected with the oil return port of the oil tank through a first micro-pressure oil pump, and the third centrifugal cylinder; the output end of the second centrifugal cylinder is connected with the input end of a second detector through a pipeline, and the output end of the second detector is connected with an oil return port of the oil tank through a second micro-pressure oil pump.
The oil tank is connected with a user oil tank through an oil suction pipe, the user oil tank is connected with the second centrifugal cylinder through an oil outlet pipe, a pressure gauge and an oil outlet valve are arranged on the oil outlet pipe, and the input end of the second detector is located between the second centrifugal cylinder and the oil outlet valve.
The first electromagnetic valve is positioned between the first detector and the first centrifugal cylinder, the input end of the first electromagnetic valve is connected with the first centrifugal cylinder and the cleaning box, and the output end of the first electromagnetic valve is connected with the first detector; the second electromagnetic valve is positioned between the second detector and the second centrifugal cylinder, the input end of the second electromagnetic valve is connected with the second centrifugal cylinder and the cleaning box, and the output end of the second electromagnetic valve is connected with the second detector; the cleaning box is internally provided with cleaning fluid, and the first electromagnetic valve and the second electromagnetic valve are both connected with the PLC control system.
The oil tank is characterized by further comprising a third electromagnetic valve and a fourth electromagnetic valve, wherein the third electromagnetic valve is positioned between the first micro-pressure oil pump and the oil tank, the input end of the third electromagnetic valve is connected with the first micro-pressure oil pump, and the output end of the third electromagnetic valve is connected with the oil tank and the collecting box; the fourth electromagnetic valve is positioned between the second micro-pressure oil pump and the oil tank, the input end of the fourth electromagnetic valve is connected with the second micro-pressure oil pump, and the output end of the fourth electromagnetic valve is connected with the oil tank and the collecting box; and the third electromagnetic valve and the fourth electromagnetic valve are both connected with the PLC control system.
The centrifugal machine further comprises a fourth centrifugal cylinder, and the fourth centrifugal cylinder is connected between the input end and the output end of the first centrifugal cylinder in parallel.
Compared with the prior art, the centrifugal oil purifier has the beneficial effects that the centrifugal oil purifier can intelligently detect the granularity and the water content of oil while purifying the oil, so that a user can conveniently master the oil purification condition in real time, the sampling and inspection processes are saved, the labor cost is saved, the problem that the purification efficiency is influenced due to inaccurate detection results caused by human factors is avoided, the expense for purchasing a detection instrument is saved for the user, the integral oil purification cost is greatly reduced, the detection efficiency is improved, the automatic cleaning of the detector can be carried out, the detection result of the detector is ensured to be accurate, and the detection error caused by oil residue is avoided; in addition, the intelligent oil monitoring and oil purifying work of the lubricating system can be realized, the timely, effective and automatic management of the whole oil purifying process is facilitated, and the phenomenon that the oil exceeds the standard and the lubricating system breaks down due to untimely monitoring or purification is avoided.
The invention adopts three centrifugal cylinders or four centrifugal cylinders and two detectors, and can detect the granularity and the water content of oil in a layered manner, the first detector detects the oil purified by the centrifugal cylinders connected in parallel, and the second detector detects the oil purified by the second centrifugal cylinder again; meanwhile, the oil purifying efficiency and the detection efficiency of the invention are greatly improved by matching the detectors with the corresponding branch pipelines, which is beneficial to more accurately controlling the intelligent centrifugal oil purifier.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.
In the figure, 1 is a user oil tank, 2 is an oil tank, 3 is a first centrifuge bowl, 4 is a second centrifuge bowl, 5 is a third centrifuge bowl, 6 is a first detector, 7 is a second detector, 8 is a first micro-pressure oil pump, 9 is a second micro-pressure oil pump, 10 is a first solenoid valve, 11 is a second solenoid valve, 12 is a third solenoid valve, 13 is a fourth solenoid valve, 14 is a cleaning box, 15 is a collecting box, 16 is an oil outlet valve, 17 is a pressure gauge, 18 is an oil outlet pipe, 19 is an oil suction pipe, 20 is an oil outlet, 21 is an oil return port, 22 is a third detector, 23 is a third micro-pressure oil pump, 24 is an oil filling port, 25 is a sewage discharge port, 26 is an oil purifier outlet pipe, 27 is an oil purifier suction pipe, 28 is a centrifugal oil purifier, 29 is a user oil tank outlet, and 30 is a fourth centrifuge bowl.
Detailed Description
An intelligent centrifugal oil purifier is provided with an intelligent detection system inside or outside a centrifugal oil purifier 28, the intelligent detection system comprises a detector, the input end of the detector is connected with an oil tank to be detected, the detector is used for detecting the granularity and the water content of oil in the oil tank to be detected, the output end of the detector is connected with a micro-pressure oil pump, the output end of the micro-pressure oil pump is connected with the oil tank to be detected, the oil passing through the detector reenters the oil tank to be detected through the micro-pressure oil pump for circulation purification, the joint of the micro-pressure oil pump and the oil tank to be detected is positioned above the joint of the detector and the oil tank to be detected, the centrifugal oil purifier 28 comprises a PLC control system, the detector is electrically connected with the PLC control system, the PLC control system is connected with a touch screen, the result detected by the detector is displayed on the touch screen, when the centrifugal oil purifier 28 is started for purification, a user can set the automatic shutdown of the oil purifier when the granularity of the oil reaches several levels or the water content reaches a certain value, so as to realize the functions of intelligent operation and shutdown of the centrifugal oil purifier 28.
Example 1
As shown in fig. 1, a connection configuration diagram provided inside the centrifugal oil purifier 28 for the smart detection system, the centrifugal oil purifier 28 comprises an oil tank 2 and a centrifugal cylinder, the centrifugal cylinder comprises a first centrifugal cylinder 3, a second centrifugal cylinder 4 and a third centrifugal cylinder 5, the detector comprises a first detector 6 and a second detector 7, the oil tank to be detected is the oil tank 2, an oil return port 21 is arranged at the upper part of the oil tank 2, an oil outlet 20 is arranged at the lower part of the oil tank 2, the input end of the first centrifugal cylinder 3 is connected with the oil outlet 20 of the oil tank 2 through a pipeline, the output end of the first centrifugal cylinder 3 is divided into two paths through a pipeline, one path is connected with the input end of the second centrifugal cylinder 4, the other path is connected with the input end of the first detector 6, the output end of the first detector 6 is connected with the oil return port 21 of the oil tank 2 through a first micro-pressure oil pump 8, and the third centrifugal cylinder 5 is connected; the output end of the second centrifugal cylinder 4 is connected with the input end of the second detector 7 through a pipeline, and the output end of the second detector 7 is connected with the oil return port 21 of the oil tank 2 through a second micro-pressure oil pump 9.
The first centrifugal cylinder 3, the second centrifugal cylinder 4 and the third centrifugal cylinder 5 are centrifugal cylinders with the same size, the power of the centrifugal pumps of the first centrifugal cylinder 3 and the third centrifugal cylinder 5 is the same, but the power of the centrifugal pump of the second centrifugal cylinder 4 is twice that of the centrifugal pump of the first centrifugal cylinder 3 or the third centrifugal cylinder 5, and the oil purified by the first centrifugal cylinder 3 and the third centrifugal cylinder 5 is accelerated at the second centrifugal cylinder 4, that is, the flow rate of the oil at the second centrifugal cylinder 4 is twice that of the oil at the first centrifugal cylinder 3 or the third centrifugal cylinder 5, so as to deal with the situation that the first centrifugal cylinder 3 and the third centrifugal cylinder 5 are connected in parallel.
It should be noted that, based on experiments, the inventors have found that: the cost performance of two centrifugal cylinders connected in parallel and then connected in series with one centrifugal cylinder is higher than that of three centrifugal cylinders directly connected in series. Experiment one: under the condition that three centrifugal cylinders are connected in series, the oil granularity reaches NAS8 after purification for a certain time, and under the condition of the same purification time, two centrifugal cylinders are connected in parallel and then connected in series with one centrifugal cylinder, and the oil granularity can reach NAS 7.5. Experiment two: under the condition that three centrifugal cylinders are connected in series, the oil granularity reaches NAS6 after purification for a certain time, and under the condition of the same purification time, two centrifugal cylinders are connected in parallel and then connected in series with one centrifugal cylinder, and the oil granularity can reach NAS 5.6. In summary, when two centrifugal cylinders are connected in parallel and then connected in series with one centrifugal cylinder, the oil particle size is about 6% better than that of the case where three centrifugal cylinders are directly connected in series.
Oil in the oil tank 2 comes from user's oil tank 1, oil tank 2 connects user's oil tank 1 through inhaling oil pipe 19, user's oil tank 1 is connected with second centrifuge tube 4 through going out oil pipe 18, be provided with manometer 17 and delivery valve 16 on going out oil pipe 18, the input of second detector 7 is located between second centrifuge tube 4 and the delivery valve 16, on the one hand, fluid bubble after the centrifuge tube purifies is not had, avoid the bubble to cause the influence to the testing result, on the other hand this section fluid velocity of flow is even and pressure is great, can be better satisfy the operation requirement of detector.
The centrifugal oil purifier 28 further comprises a first electromagnetic valve 10, a second electromagnetic valve 11, a third electromagnetic valve 12 and a fourth electromagnetic valve 13, wherein the first electromagnetic valve 10 and the second electromagnetic valve 11 are three-position three-way electromagnetic valves, two of the three-position three-way electromagnetic valves are in inlet and outlet, and are respectively provided with an input end B2, an output end B3 and an output end B1, the first electromagnetic valve 10 and the second electromagnetic valve 11 are respectively provided with two coils a and B, when the coil a is electrified, the coil B1B3 is communicated, and the coil B1B2 is closed; when the coil B is electrified, the B1B2 is connected, the B1B3 is closed, and when the two coils are not electrified, the B1B2 and the B1B3 are both closed. The first electromagnetic valve 10 is located between the first detector 6 and the first centrifuge bowl 3, an input end B3 of the first electromagnetic valve 10 is connected with the first centrifuge bowl 3 through an outlet pipe, an input end B2 is connected with the cleaning box 14, and an output end B1 of the first electromagnetic valve 10 is connected with the first detector 6; the second electromagnetic valve 11 is located between the second testing instrument 7 and the second centrifuge bowl 4, an input end B3 of the second electromagnetic valve 11 is connected with the second centrifuge bowl 4 through a pipeline, an input end B2 is connected with the cleaning box 14, and an output end B1 of the second electromagnetic valve 11 is connected with the second testing instrument 7. The cleaning box 14 contains a cleaning fluid, which is typically petroleum ether.
The third electromagnetic valve 12 and the fourth electromagnetic valve 13 are two-position three-way electromagnetic valves, one is in and two is out, and both have an input end A1 and output ends A2 and A3, when the three-position three-way electromagnetic valves are electrified, A1A3 is communicated, A1A2 is closed, when the three-position three-way electromagnetic valves are powered off, A1A2 is communicated, and A1A3 is closed. The third electromagnetic valve 12 is positioned between the first micro-pressure oil pump 8 and the oil tank 2, the input end A1 of the third electromagnetic valve 12 is connected with the first micro-pressure oil pump 8, the output end A3 is connected with the oil tank 2, and the output end A2 is connected with the collecting box 15; the fourth solenoid valve 13 is located between the second micro-pressure oil pump 9 and the oil tank 2, the input end a1 of the fourth solenoid valve 13 is connected with the second micro-pressure oil pump 9, the output end A3 is connected with the oil tank 2, and the output end a2 is connected with the collecting box 15. The cleaning solution in the cleaning cartridge 14 cleans the meter and then enters the corresponding collection cartridge 15.
The centrifugal oil purifier in the embodiment has the functions of intelligent detection, automatic shutdown and automatic cleaning of the detector.
Intelligent detection: after the centrifugal oil purifier 28 is started, oil in the user oil tank 1 enters the oil tank 2 through the oil suction pipe 19 and then enters the first centrifugal cylinder 3, the second centrifugal cylinder 4 and the third centrifugal cylinder 5 for purification, and the purified oil returns to the user oil tank 1 through the oil outlet pipe 18 to achieve circular purification. A branch pipeline is arranged between the first centrifugal cylinder 3 and the second centrifugal cylinder 4, the first detector 6 is positioned on the branch pipeline, after the centrifugal oil purifier 28 works, the coil a of the first electromagnetic valve 10 is electrified, the third electromagnetic valve 12 is electrified, the first micro-pressure oil pump 8 and the first detector 6 are started, at this time, A1A3 of the third electromagnetic valve 12 is communicated, A1A2 is closed, B1B3 of the first electromagnetic valve 10 is communicated, B1B2 is closed, oil purified by the first centrifugal cylinder 3 and the third centrifugal cylinder 5 enters the first detector 6 through B1B3 under the action of pressure of the oil outlet pipe 18 and the first micro-pressure oil pump 8, the first detector 6 detects the granularity and the water content of the oil, the oil passing through the first detector 6 enters the oil tank 2 through A1A3 of the third electromagnetic valve 12 to be purified circularly again, waste of the oil due to detection is avoided, and the centrifugal oil purifier 28 can intelligently detect the granularity and the water content of the oil while purifying the oil.
A branch pipeline is also arranged between the second centrifugal cylinder 4 and the oil outlet valve 16, the second detector 7 is positioned on the branch pipeline, after the centrifugal oil purifier 28 works, the coil a of the second electromagnetic valve 11 is electrified, the fourth electromagnetic valve 13 is electrified, the second micro-pressure oil pump 9 and the second detector 7 are started, at this time, A1A3 of the fourth electromagnetic valve 13 is communicated, A1A2 is closed, B1B3 of the second electromagnetic valve 11 is communicated, B1B2 is closed, oil purified by the first centrifugal cylinder 3, the third centrifugal cylinder 5 and the second centrifugal cylinder 4 enters the second detector 7 through B1B3 under the action of pressure of the oil outlet pipe 18 and the second micro-pressure oil pump 9, the second detector 7 detects the granularity and the water content of the oil, the oil passing through the second detector 7 enters the oil tank 2 through A1A3 of the fourth electromagnetic valve 13 to be purified again in a circulating mode, waste of the oil due to detection is avoided, and the work of intelligently detecting the granularity and the water content of the oil while the oil purifier purifies the oil is completed.
According to actual conditions, the branch pipelines where the first detector 6 and the second detector 7 are located can also work independently, and the electromagnetic valves and the micro-pressure oil pumps on the corresponding branch pipelines can be used for closing and conducting the branch pipelines where the first detector and the second detector are located.
The flow rates of the first micro-pressure oil pump 8 and the second micro-pressure oil pump 9 are both controlled to be suitable for the flow rate passing requirements of the respective corresponding detectors, generally 100 ml/min-200 ml/min, when the pressure of the oil outlet pipe 18 of the centrifugal oil purifier 28 is above 0.15MPa, the flow rate of oil entering the detectors can meet the requirements only depending on the pressure, and the corresponding micro-pressure oil pumps can be omitted in the process.
Automatic shutdown: the first detector 6 and the second detector 7 can be in butt joint with the PLC control system and the touch screen, and the results detected by the first detector 6 and the second detector 7 are transmitted into the PLC control system in real time and displayed on the touch screen in real time, so that the oil purification condition can be mastered in real time. Before the centrifugal oil purifier 28 is started, a user can set the shutdown condition of the centrifugal oil purifier 28 according to needs, that is, the centrifugal oil purifier 28 can be automatically shut down after the granularity or the water content of the oil reaches the specified requirement. For example, when the oil particle size is set to reach NAS7 level at the first detector 6, the oil is shut down after the second detector 7 reaches NAS6 level, the results detected by the first detector 6 and the second detector 7 are transmitted to the PLC control system in real time after the operation, and when the detection result of the first detector 6 is stabilized at NAS7 level or the detection result of the second detector 7 is stabilized at NAS6 level, the PLC control system controls the centrifugal oil purifier 28 to shut down, or may set the detection result to be stabilized and shut down after a certain time delay, so as to ensure that all the circulating oil meets the requirements.
Automatic cleaning of a detector: cleaning liquid for cleaning the detector is filled in the cleaning box 14, when the centrifugal oil purifier 28 is stopped, the third electromagnetic valve 12 and the fourth electromagnetic valve 13 are powered off, the coils B of the first electromagnetic valve 10 and the second electromagnetic valve 11 are electrified, the A1A2 and the B1B2 are communicated, the A1A3 and the B1B3 are closed, the micro-pressure oil pump and the detector on the corresponding branch pipeline are started, under the action of the corresponding micro-pressure oil pump, the cleaning liquid in the cleaning box 14 enters the corresponding detector through the B1B2 to clean residual oil in the corresponding detector, and the cleaned liquid enters the corresponding collecting box 15 through the A1A2 to avoid the pollution of the oil caused by the fact that the cleaning liquid flows into the oil tank 2. The cleaning time can be set as required, generally within 1min, the micro-pressure oil pump and the detector on the corresponding branch pipeline are closed after the cleaning time is reached, the two coils a and b of the first electromagnetic valve 10 and the second electromagnetic valve 11 are powered off, the cleaning work is finished, the liquid in the collecting box 15 needs to be discharged periodically, and the cleaning liquid in the cleaning box 14 needs to be filled periodically.
The automatic cleaning of the detection instrument can avoid that the centrifugal oil purifier 28 does not cause residual oil in the detector to air-dry and block the instrument for a long time or cause oil pollution when other oil is purified.
The detector is a precision instrument, the granularity of the flowing oil is not too large so as to avoid blocking the detector, the granularity of the flowing oil is generally required to be less than or equal to NAS 12 level, when the granularity of the initial oil is greater than NAS 12 level, the detector can be controlled by manual operation, namely, the intelligent detection function is not started temporarily after the centrifugal oil purifier 28 is started, and after the centrifugal oil purifier is purified for a certain time, the intelligent detection is started after the oil is observed by naked eyes without obvious particles.
Example 2
As shown in fig. 2, unlike embodiment 1, this embodiment further includes a fourth centrifugal cylinder 30, the fourth centrifugal cylinder 30 is connected in parallel between the input end and the output end of the first centrifugal cylinder 3, and the rest is the same as embodiment 1, and compared with embodiment 2, the oil particle purification efficiency of this embodiment is improved by 1.5 times.
It should be noted that the first centrifugal cylinder 3, the second centrifugal cylinder 4, the third centrifugal cylinder 5 and the fourth centrifugal cylinder 30 are centrifugal cylinders of the same size, the power of the centrifugal pumps of the first centrifugal cylinder 3, the third centrifugal cylinder 5 or the fourth centrifugal cylinder 30 is the same, but the power of the centrifugal pump of the second centrifugal cylinder 4 is three times that of the centrifugal pumps of the first centrifugal cylinder 3, the third centrifugal cylinder 5 or the fourth centrifugal cylinder 30, and the oil purified by the first centrifugal cylinder 3, the third centrifugal cylinder 5 and the fourth centrifugal cylinder 30 is accelerated at the second centrifugal cylinder 4, that is, the oil flow rate at the second centrifugal cylinder 4 is three times that of the oil at the first centrifugal cylinder 3, the third centrifugal cylinder 5 or the fourth centrifugal cylinder 30, so as to deal with the situation that the first centrifugal cylinder 3, the third centrifugal cylinder 5 and the fourth centrifugal cylinder 30 are connected in parallel.
Example 3
As shown in fig. 3, in order to configure the smart detection system in a connection structure outside the centrifugal oil purifier 28, the smart detection system is disposed separately from the centrifugal oil purifier 28 and is only interfaced by the PLC control system of the centrifugal oil purifier 28. The oil tank to be detected is a user oil tank 1, the lower portion of the user oil tank 1 is provided with a drain outlet 25, the drain outlet 25 is connected with a centrifugal oil purifier 28 through an oil purifier suction pipe 27, the upper portion of the user oil tank 1 is provided with an oil filling opening 24, and the centrifugal oil purifier 28 is connected with the oil filling opening 24 through an oil purifier discharge pipe 26 to form a purification circulation pipeline. The lower part of the user oil tank 1 is also provided with a user oil tank outlet 29, the user oil tank outlet 29 is connected with the input end of the third detector 22, and the output end of the third detector 22 is connected with the user oil tank 1 through the third micro-pressure oil pump 23.
The centrifugal oil purifier in the embodiment has the functions of intelligent detection and intelligent starting and stopping of the oil purifier.
Intelligent detection: the user oil tank 1 is connected with a third detector 22 through a user oil tank oil outlet 29, the input end of the third detector 22 is independently connected with the user oil tank 29, the output end of the third detector 22 is connected with a third micro-pressure oil pump 23, the outlet of the third micro-pressure oil pump 23 is connected with the user oil tank 29, the third detector 22 and the third micro-pressure oil pump 23 are simultaneously started during detection, oil in the user oil tank 1 flows through the third detector 22 under the action of the third micro-pressure oil pump 23, the third detector 22 detects the flowing oil, and then the oil returns into the user oil tank 1 through the third micro-pressure oil pump 23. The third detector 22 and the third micro-pressure oil pump 23 can work for a long time so as to monitor the oil state in real time.
The third detector 22 can also be installed on the oil outlet pipeline of the user oil tank 1, the oil outlet pipeline is an output pipeline when the user uses the oil in the oil tank, and because the pressure of the oil outlet pipeline of the user oil tank 1 is too high (> 1 MPa), a pressure regulating valve can be added in front of the third detector 22, so that the pressure is controlled to be between 0.15MPa ~ 1MPa, and the third micro-pressure oil pump 23 can be omitted.
The oil purifier is intelligently started and stopped: the third detector 22 is connected to the PLC control system of the centrifugal oil purifier 28, and can transmit the detection result to the PLC control system in real time.
Firstly, connecting a centrifugal oil purifier 28 with a user oil tank 1, connecting an oil absorption pipe 27 of the oil purifier with a sewage outlet 25 of the user oil tank 1, and connecting an oil outlet pipe 26 of the oil purifier with an oil filling port 24 of the user oil tank 1; the PLC control system of the centrifugal oil purifier 28 is set according to the requirement of the system of the user oil tank 1 on oil, the starting condition of the centrifugal oil purifier 28 and the shutdown condition of the centrifugal oil purifier 28 are set, after the centrifugal oil purifier 28 is powered on, the PLC control system controls the centrifugal oil purifier 28 according to the result detected by the third detector 22, when the detection result reaches the preset starting condition, the PLC control system controls the automatic starting operation of the centrifugal oil purifier 28 to purify the oil, and along with the purification, when the result detected by the third detector 22 reaches the preset shutdown condition, the PLC control system controls the automatic shutdown of the centrifugal oil purifier 28. For example, the centrifugal oil purifier 28 is started up when the oil particle size reaches the NAS 9 level, and is shut down when the oil particle size reaches the NAS7 level, the detection result of the third detector 22 is transmitted to the PLC control system in real time after the operation, when the detection result is stabilized at the NAS 9 level, the PLC control system controls the centrifugal oil purifier 28 to be automatically started up to start the circulation purification of the oil, and when the detection result is stabilized at the NAS7 level in the purification process, the PLC control system controls the centrifugal oil purifier 28 to be automatically shut down. And the detection result can be set to be stable, and the machine is stopped after a certain time delay, so that all the circulating oil can meet the requirements.
This embodiment can be used to realize carrying out intelligent fluid monitoring and fluid purification work to lubricating system, practices thrift the personnel selection cost, avoids leading to the fact fluid to exceed standard because of monitoring or purify untimely, arouses lubricating system to break down.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical solution of the present invention, it should be noted that, for those skilled in the art, many changes and modifications can be made without departing from the overall concept of the present invention, and these should also be considered as the protection scope of the present invention.
Claims (8)
1. The utility model provides an intelligent centrifugal oil purifier which characterized in that: the intelligent detection system is arranged inside or outside the centrifugal oil purifier and comprises a detector, the input end of the detector is connected with an oil tank to be detected, the output end of the detector is connected with a micro-pressure oil pump, the output end of the micro-pressure oil pump is connected with the oil tank to be detected, the joint of the micro-pressure oil pump and the oil tank to be detected is located above the joint of the detector and the oil tank to be detected, the centrifugal oil purifier is provided with a PLC control system, and the detector is electrically connected with the PLC control system.
2. The intelligent centrifugal oil purifier of claim 1, wherein: the flow rate of the micro-pressure oil pump is 100 ml/min-200 ml/min.
3. The intelligent centrifugal oil purifier of claim 1, wherein: the intelligent detection system is arranged outside the centrifugal oil purifier, the oil tank to be detected is a user oil tank, a drain outlet is formed in the lower portion of the user oil tank, the drain outlet is connected with the centrifugal oil purifier through an oil absorption pipe of the oil purifier, an oil filler is formed in the upper portion of the user oil tank, the centrifugal oil purifier is connected with the oil filler through an oil outlet pipe of the oil purifier, a user oil tank oil outlet is formed in the lower portion of the user oil tank, the user oil tank oil outlet is connected with the input end of the detector, and the output end of the detector is.
4. The intelligent centrifugal oil purifier of claim 1, wherein: the intelligent detection system is arranged outside the centrifugal oil purifier, the centrifugal oil purifier comprises an oil tank and a centrifugal cylinder, the centrifugal cylinder comprises a first centrifugal cylinder, a second centrifugal cylinder and a third centrifugal cylinder, the detector comprises a first detector and a second detector, the oil tank to be detected is the oil tank, the upper part of the oil tank is provided with an oil return port, the lower part of the oil tank is provided with an oil outlet, the input end of the first centrifugal cylinder is connected with the oil outlet of the oil tank through a pipeline, the output end of the first centrifugal cylinder is divided into two paths through the pipeline, one path is connected with the input end of the second centrifugal cylinder, the other path is connected with the input end of the first detector, the output end of the first detector is connected with the oil return port of the oil tank through a first micro-pressure oil pump, and the third centrifugal cylinder; the output end of the second centrifugal cylinder is connected with the input end of a second detector through a pipeline, and the output end of the second detector is connected with an oil return port of the oil tank through a second micro-pressure oil pump.
5. The intelligent centrifugal oil purifier of claim 4, wherein: the oil tank is connected with a user oil tank through an oil suction pipe, the user oil tank is connected with the second centrifugal cylinder through an oil outlet pipe, a pressure gauge and an oil outlet valve are arranged on the oil outlet pipe, and the input end of the second detector is located between the second centrifugal cylinder and the oil outlet valve.
6. The intelligent centrifugal oil purifier of claim 4, wherein: the first electromagnetic valve is positioned between the first detector and the first centrifugal cylinder, the input end of the first electromagnetic valve is connected with the first centrifugal cylinder and the cleaning box, and the output end of the first electromagnetic valve is connected with the first detector; the second electromagnetic valve is positioned between the second detector and the second centrifugal cylinder, the input end of the second electromagnetic valve is connected with the second centrifugal cylinder and the cleaning box, and the output end of the second electromagnetic valve is connected with the second detector; the cleaning box is internally provided with cleaning fluid, and the first electromagnetic valve and the second electromagnetic valve are both connected with the PLC control system.
7. The intelligent centrifugal oil purifier of claim 4, wherein: the oil tank is characterized by further comprising a third electromagnetic valve and a fourth electromagnetic valve, wherein the third electromagnetic valve is positioned between the first micro-pressure oil pump and the oil tank, the input end of the third electromagnetic valve is connected with the first micro-pressure oil pump, and the output end of the third electromagnetic valve is connected with the oil tank and the collecting box; the fourth electromagnetic valve is positioned between the second micro-pressure oil pump and the oil tank, the input end of the fourth electromagnetic valve is connected with the second micro-pressure oil pump, and the output end of the fourth electromagnetic valve is connected with the oil tank and the collecting box; and the third electromagnetic valve and the fourth electromagnetic valve are both connected with the PLC control system.
8. The intelligent centrifugal oil purifier of claim 4, 5, 6 or 7, wherein: the centrifugal machine further comprises a fourth centrifugal cylinder, and the fourth centrifugal cylinder is connected between the input end and the output end of the first centrifugal cylinder in parallel.
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