CN111306145A - Hydraulic oil purification system - Google Patents
Hydraulic oil purification system Download PDFInfo
- Publication number
- CN111306145A CN111306145A CN202010200863.9A CN202010200863A CN111306145A CN 111306145 A CN111306145 A CN 111306145A CN 202010200863 A CN202010200863 A CN 202010200863A CN 111306145 A CN111306145 A CN 111306145A
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- Prior art keywords
- oil
- hydraulic oil
- tank
- storage tank
- stop valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0427—Heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/044—Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention discloses a hydraulic oil purification system which can quickly separate oil-water mixtures. The method comprises the following steps: the oil storage tank is used for storing hydraulic oil; the oil filling pipeline is used for inputting hydraulic oil to the oil storage tank; the heating pipeline is used for heating the hydraulic oil in the oil storage tank; and the vacuum negative pressure pipeline is used for pumping out water vapor generated in the oil storage tank.
Description
Technical Field
The invention relates to the technical field of hydraulic pressure, in particular to a hydraulic oil purification system.
Background
And hydraulic oil is used as a medium for normal work of the hydraulic system. When the hydraulic system is used in the system for a long time, impurities of the hydraulic system can appear in hydraulic oil, and the hydraulic system cannot work normally after the impurities of the hydraulic system appear in the hydraulic oil. Meanwhile, in the long-term work of a hydraulic system, particularly for the hydraulic system with high and low temperature environment, moisture can appear in hydraulic oil, so that oil is emulsified. Making the system unable to operate normally. For this situation, especially for oil emulsification, it is often only possible to change the oil. Causing great waste of oil. The traditional method is to heat the mixture to 100 ℃ to evaporate the water automatically, so that the time is long and the number of working procedures is large.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a hydraulic oil purification system which can quickly separate oil-water mixtures.
The purpose of the invention is realized as follows:
the utility model provides a hydraulic oil clean system which characterized in that: comprises that
The oil storage tank is used for storing hydraulic oil;
the oil filling pipeline is used for inputting hydraulic oil to the oil storage tank;
the heating pipeline is used for heating the hydraulic oil in the oil storage tank;
and the vacuum negative pressure pipeline is used for pumping out water vapor generated in the oil storage tank.
Preferably, the oil storage tank is closed structure, it includes the oil pipe to add the oil pipe, the mouth of pipe that adds the oil pipe is the oil filler point, it adds the oil stop valve to be equipped with on the oil pipe.
Preferably, the heating pipeline comprises a hydraulic oil circulation loop and a heat conduction oil circulation loop, the hydraulic oil circulation loop comprises an oil absorption stop valve, a hydraulic oil circulation pump, a heat exchanger hydraulic oil part and an oil return stop valve which are sequentially connected, and two ends of the hydraulic oil circulation loop are connected to the oil storage tank to form a loop; the heat conducting oil circulation loop comprises a heater, a hydraulic oil circulating pump, a heat exchanger heat conducting oil part and a heat conducting oil tank, wherein the heater, the hydraulic oil circulating pump and the heat conducting oil part are sequentially connected to form a loop; the heat exchanger is composed of the heat exchanger hydraulic oil part and the heat conducting oil part of the heat exchanger and used for heating hydraulic oil.
Preferably, the oil inlet end of the hydraulic oil circulation loop is connected to the lower end of the oil storage tank, and the oil outlet end of the hydraulic oil circulation loop is connected to the upper end of the oil storage tank.
Preferably, a filter is sequentially arranged between the hydraulic oil circulation loop part of the heat exchanger and the oil return stop valve.
Preferably, a primary filter and a fine filter are sequentially arranged between the hydraulic oil circulation loop part of the heat exchanger and the oil return stop valve.
Preferably, the conduction oil tank adopts an open structure.
Preferably, the vacuum negative pressure pipeline comprises a negative pressure stop valve, a condensation tank, a vacuum tank, a vacuumizing stop valve and a vacuum pump which are connected in sequence.
Preferably, the condensation water supply device further comprises a water storage tank, a condensation tank water drain pipe is arranged at the lower end of the condensation tank, a vacuum tank water drain pipe is arranged at the lower end of the vacuum tank, the condensation tank water drain pipe and the vacuum tank water drain pipe are both connected with the water storage tank and used for draining condensation water, a condensation tank stop valve is arranged on the condensation tank water drain pipe, and a vacuum tank stop valve is arranged on the vacuum tank water drain pipe.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. the hydraulic oil in the oil storage tank is heated in a heat exchange mode through the hydraulic oil circulation loop and the heat conduction oil circulation loop, and the hydraulic oil is heated in the mode, so that the phenomenon that the hydraulic oil is aged and deteriorated due to direct heating of the hydraulic oil is avoided; meanwhile, the viscosity of the hydraulic oil is reduced in the heating process, and the fluidity of the hydraulic oil is improved; simultaneously, arranged primary filter and fine filter in the pipeline, when fluid when the filter, filtered the impurity in the hydraulic oil, the impurity of reseparation after the heating has improved the separation efficiency of hydraulic oil and impurity.
2. As known by national standards, the higher the temperature of water in a vacuum environment, the closer the vaporization pressure of water is to atmospheric pressure. Therefore, the oil in the oil storage tank is heated to a certain temperature, and meanwhile, the vacuum negative pressure pipeline arranged on the oil storage tank is vacuumized to force the moisture in the hydraulic oil to be vaporized and pumped into the condensing tank through the vacuum negative pressure pipeline, so that the rapid oil-water separation is realized.
3. Through practical verification, the oil-water separation can be completed by heating 120L of oil in one tank to 80 ℃ for only 20 minutes and vacuumizing for 5 minutes. Compared with the conventional method, the method heats the mixture to 100 ℃, and the mixture is automatically evaporated and separated by water, so that the efficiency is increased by 2-3 times.
The invention reduces the vaporization pressure of water by vacuum, so that the water is vaporized at a lower temperature, and the water vapor is rapidly pumped away by vacuum. Simultaneously, the filter is arranged in the heating pipeline, and oil impurities can be filtered in real time. The multifunctional separator realizes multiple purposes and improves the separation efficiency. Provides high-efficiency equipment for rapid oil filtering and oil-water separation of a hydraulic system.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Reference numerals
In the attached drawings, 1 is a heat-conducting oil tank, 2 is a heater, 3 is a heat-conducting oil circulating pump, 4 is a heat-conducting oil circulating loop, 5 is a hot oil circulating pump, 6 is a heat exchanger, 7 is a hydraulic oil circulating loop, 8 is a primary filter, 9 is a fine filter, 10 is an oil return stop valve, 11 is an oil absorption stop valve, 12 is an oil storage tank, 13 is an oil drain stop valve, 14 is an oil filling pipeline, 15 is an oil filling port stop valve, 16 is a vacuum negative pressure pipeline, 17 is a negative pressure stop valve, 18 is a condensing tank, 19 is a vacuum tank, 20 is a condensing tank stop valve, 21 is a condensing tank drain pipe, 22 is a vacuum tank drain pipe, 23 is a vacuum tank stop valve, 24 is a condensing pipeline, 25 is a vacuumizing pipeline, 26 is a vacuumizing stop valve, 27 is a vacuum pump set, 28 is a.
Detailed Description
In the present embodiment, the terms "upper", "lower", "left", "right", "front", "rear", "upper end", "lower end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, or be operated, and thus, should not be construed as limiting the invention.
Referring to fig. 1, a hydraulic oil purification system. It includes an oil reservoir 12, closed, for storing hydraulic oil. The closed oil storage tank 12 is provided with a hydraulic oil circulation loop 7, a vacuum negative pressure pipeline 16, an oil filling pipe 14 and an oil discharge pipeline, and the oil discharge pipeline is provided with an oil discharge stop valve 13. And a hydraulic oil circulating pump 5, an oil absorption stop valve 11, a heat exchanger 6 (a heat exchanger hydraulic oil part), a primary filter 8, a fine filter 9 and an oil return stop valve 10 are arranged on the hydraulic oil circulating loop 7. The hydraulic oil circulating pump 5 pumps the oil in the oil storage tank 12 out of the oil tank, and returns the oil to the oil storage tank after circulating. The oil suction stop valve 11 is arranged between the closed oil storage tank and the hydraulic oil circulating pump 5, and the on-off of the oil suction stop valve can be controlled through an electric signal. The heat exchanger 6 is used for exchanging heat to the hydraulic oil circulation loop by utilizing heat conduction oil of the heat conduction oil circulation loop 4, so that hydraulic oil is heated. The primary filter 8 and the fine filter 9 filter out impurities of oil liquid in the hot oil circulating pipeline. The heat conducting oil circulation loop 4 is provided with a heat conducting oil circulation loop circulating pump 3, a heat exchanger 6 (a heat conducting oil part of the heat exchanger), a heater 2 and a heat conducting oil tank 1. The heat conducting oil needs to be heated circularly, and certain loss exists after long-term use, so that the heat conducting oil tank 1 is arranged. The heat conducting oil tank 1 is open and is provided with an oil tank cover, and a ventilation mechanism is arranged on the oil tank cover and is not sealed; the volume of the heat conducting oil expands to a certain extent in the heating process, so that the heat conducting oil is not suitable for being fully closed. The heat conduction oil circulation loop circulating pump 3 circulates heat conduction oil, and then heats the heat conduction oil. The heater 2 heats the circulating heat conducting oil. The open type heat conduction oil tank 1 is used for storing heat conduction oil. The vacuum negative pressure pipeline 16 is provided with a negative pressure stop valve 17, a condensation tank 18, a vacuum tank 19, a vacuumizing stop valve 26, a vacuum pump set 27, a condensation tank stop valve 20, a vacuum tank stop valve 23 and a water storage tank 28. The negative pressure stop 17 valve is a switch for controlling the vacuumizing of the closed oil storage tank 12. The condensing tank 18 is a device for condensing water vapor into water. The condensing tank cut-off valve 20 is arranged on the condensing tank, and water in the condensing tank 18 can be put into the water storage tank 28 through control. The vacuum tank 19 is a place for storing vacuum and secondary condensation. The vacuum tank cut-off valve 23 is arranged on the vacuum tank, and the vacuum cut-off valve 26 is connected with the vacuum pump set 27 by controlling the water in the vacuum tank 19 to be put into the water storage tank 28, so that the vacuum on/off can be controlled.
The working process is as follows:
first, the hydraulic fluid is introduced into the closed-type oil tank 12, the filler pipe 14 is connected to the inlet of the oil tank, and the filler cut-off valve 15 is controlled to allow the oil to be filled. And after the oiling is finished, the oil suction stop valve 11 and the oil return stop valve 10 are opened. Starting the hydraulic oil circulating pump 5 and the heat conducting oil circulating loop circulating pump 3, and controlling the heater 2 to heat. When the temperature is controlled to the set temperature, the negative pressure stop valve 17 and the vacuumizing stop valve 26 are opened, and the vacuum pump unit 27 is started to start oil-water separation. When the set time is reached, the negative pressure stop valve 17, the vacuum stop valve 26 and the vacuum pump unit 27 are closed. Meanwhile, the condensate tank stop valve 20 and the empty tank stop valve 23 are opened to pump the pumped water into the water storage tank 28. After completion, the oil discharge port pipeline stop valve 13 is opened, and clean hydraulic oil is discharged.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and those skilled in the art should understand that the technical solutions of the present invention can be modified or substituted with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a hydraulic oil clean system which characterized in that: comprises that
The oil storage tank is used for storing hydraulic oil;
the oil filling pipeline is used for inputting hydraulic oil to the oil storage tank;
the heating pipeline is used for heating the hydraulic oil in the oil storage tank;
and the vacuum negative pressure pipeline is used for pumping out water vapor generated in the oil storage tank.
2. A hydraulic oil purification system as claimed in claim 1, wherein: the oil storage tank is of a closed structure, the oil filling pipeline comprises an oil filling pipe, the pipe opening of the oil filling pipe is an oil filling opening, and an oil filling stop valve is arranged on the oil filling pipe.
3. A hydraulic oil purification system as claimed in claim 1, wherein: the heating pipeline comprises a hydraulic oil circulation loop and a heat conduction oil circulation loop, the hydraulic oil circulation loop comprises an oil absorption stop valve, a hydraulic oil circulation pump, a heat exchanger hydraulic oil part and an oil return stop valve which are sequentially connected, and two ends of the hydraulic oil circulation loop are connected to the oil storage tank to form a loop; the heat conducting oil circulation loop comprises a heater, a hydraulic oil circulating pump, a heat exchanger heat conducting oil part and a heat conducting oil tank, wherein the heater, the hydraulic oil circulating pump and the heat conducting oil part are sequentially connected to form a loop; the heat exchanger is composed of the heat exchanger hydraulic oil part and the heat conducting oil part of the heat exchanger and used for heating hydraulic oil.
4. A hydraulic oil purification system as claimed in claim 1, wherein: the oil inlet end of the hydraulic oil circulation loop is connected to the lower end of the oil storage tank, and the oil outlet end of the hydraulic oil circulation loop is connected to the upper end of the oil storage tank.
5. A hydraulic oil purification system as claimed in claim 1, wherein: and a filter is sequentially arranged between the hydraulic oil circulation loop part of the heat exchanger and the oil return stop valve.
6. A hydraulic oil purification system as claimed in claim 5, wherein: and a primary filter and a fine filter are sequentially arranged between the hydraulic oil circulation loop part of the heat exchanger and the oil return stop valve.
7. A hydraulic oil purification system as claimed in claim 1, wherein: the heat conducting oil tank adopts an open structure.
8. A hydraulic oil purification system as claimed in claim 1, wherein: the vacuum negative pressure pipeline comprises a negative pressure stop valve, a condensing tank, a vacuum tank, a vacuumizing stop valve and a vacuum pump which are connected in sequence.
9. The hydraulic oil purification system of claim 8, wherein: the condensate tank is characterized by further comprising a water storage tank, a condensate tank water drain pipe is arranged at the lower end of the condensate tank, a vacuum tank water drain pipe is arranged at the lower end of the vacuum tank, the condensate tank water drain pipe and the vacuum tank water drain pipe are both connected with the water storage tank and used for discharging condensate water, a condensate tank stop valve is arranged on the condensate tank water drain pipe, and a vacuum tank stop valve is arranged on the vacuum tank water drain pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010200863.9A CN111306145A (en) | 2020-03-20 | 2020-03-20 | Hydraulic oil purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010200863.9A CN111306145A (en) | 2020-03-20 | 2020-03-20 | Hydraulic oil purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111306145A true CN111306145A (en) | 2020-06-19 |
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ID=71145786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010200863.9A Pending CN111306145A (en) | 2020-03-20 | 2020-03-20 | Hydraulic oil purification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111306145A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85202372U (en) * | 1985-06-13 | 1986-07-16 | 沈汉石 | Installation for erasing air cell in hydraulic system |
| CN101776110A (en) * | 2009-10-30 | 2010-07-14 | 中国第一冶金建设有限责任公司 | Method of water removing for hydraulic oil by using hydraulic oil container and device thereof |
| CN102425954A (en) * | 2011-12-09 | 2012-04-25 | 昆明理工大学 | Blast furnace slag and slag flushing water waste heat organic working medium supercritical generating system |
| CN103045298A (en) * | 2012-12-27 | 2013-04-17 | 宜昌升华新能源科技有限公司 | System for recovering cracking fraction fuel in waste oil |
| CN203196453U (en) * | 2013-04-08 | 2013-09-18 | 奚啸谷 | Oil purifier without oil pump |
| CN203741285U (en) * | 2014-03-24 | 2014-07-30 | 国电长源湖北生物质气化科技有限公司 | Biomass hot fuel gas cooling system |
| CN203847488U (en) * | 2014-03-21 | 2014-09-24 | 天津市晓川过滤设备发展有限公司 | Heating control system for hydraulic oil |
| CN110131248A (en) * | 2019-03-21 | 2019-08-16 | 武汉船用机械有限责任公司 | The cooling/heating apparatus and Hydraulic Power Transmission System of Hydraulic Power Transmission System |
| CN210102021U (en) * | 2019-06-28 | 2020-02-21 | 北京瑞尔腾普科技有限公司 | Fuel icing test system |
-
2020
- 2020-03-20 CN CN202010200863.9A patent/CN111306145A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85202372U (en) * | 1985-06-13 | 1986-07-16 | 沈汉石 | Installation for erasing air cell in hydraulic system |
| CN101776110A (en) * | 2009-10-30 | 2010-07-14 | 中国第一冶金建设有限责任公司 | Method of water removing for hydraulic oil by using hydraulic oil container and device thereof |
| CN102425954A (en) * | 2011-12-09 | 2012-04-25 | 昆明理工大学 | Blast furnace slag and slag flushing water waste heat organic working medium supercritical generating system |
| CN103045298A (en) * | 2012-12-27 | 2013-04-17 | 宜昌升华新能源科技有限公司 | System for recovering cracking fraction fuel in waste oil |
| CN203196453U (en) * | 2013-04-08 | 2013-09-18 | 奚啸谷 | Oil purifier without oil pump |
| CN203847488U (en) * | 2014-03-21 | 2014-09-24 | 天津市晓川过滤设备发展有限公司 | Heating control system for hydraulic oil |
| CN203741285U (en) * | 2014-03-24 | 2014-07-30 | 国电长源湖北生物质气化科技有限公司 | Biomass hot fuel gas cooling system |
| CN110131248A (en) * | 2019-03-21 | 2019-08-16 | 武汉船用机械有限责任公司 | The cooling/heating apparatus and Hydraulic Power Transmission System of Hydraulic Power Transmission System |
| CN210102021U (en) * | 2019-06-28 | 2020-02-21 | 北京瑞尔腾普科技有限公司 | Fuel icing test system |
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Application publication date: 20200619 |
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| RJ01 | Rejection of invention patent application after publication |