CN216612516U - Oil storage tank for hydrophilic lubricating oil - Google Patents

Abstract

The utility model relates to the technical field of lubricating oil storage, and discloses an oil storage tank for hydrophilic lubricating oil, which comprises a tank body, wherein the tank body is respectively provided with an inflation pipe and an emptying pipe for replacing gas in the tank body, the tank body is also provided with a vacuum pipe for vacuumizing the interior of the tank body and an oil filling pipe for filling oil in the interior of the tank body, one side of the emptying pipe is connected with a dew point detection line for detecting the humidity in the interior of the tank body, and valves are respectively arranged on the inflation pipe, the emptying pipe, the vacuum pipe, the oil filling pipe and the dew point detection line.

Description

Oil storage tank for hydrophilic lubricating oil

Technical Field

The utility model relates to a lubricating oil storage tank, in particular to an oil storage tank for hydrophilic lubricating oil.

Background

The hydrophilic lubricating oil has extremely strong water absorption capacity, so that the hydrophilic lubricating oil has extremely high requirements on the storage environment of the oil, the conventional storage mode is barrel-packed sealed storage, the integrity of the sealing is difficult to ensure, and real-time monitoring cannot be carried out. The deteriorated lubricant not only clogs and damages the production equipment, but also contaminates the helium circulating medium (helium gas). In addition, when oil is actually replenished, the required amount is variable, and after the whole barrel of lubricating oil is opened, the residual amount of the replenished oil has no effective storage measure, so that great waste is caused.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to provide an oil storage tank which can store the hydrophilic lubricating oil for a long time and monitor the hydrophilic lubricating oil in real time.

The technical scheme of the utility model is realized as follows:

the utility model provides an oil storage tank for hydrophilic lubricating oil, which comprises a tank body, wherein the tank body is respectively provided with an inflation pipe and an emptying pipe for replacing gas in the tank body, the tank body is also provided with a vacuum pipe for vacuumizing the interior of the tank body and an oil filling pipe for filling oil in the interior of the tank body, one side of the emptying pipe is connected with a dew point detection line for detecting the humidity in the interior of the tank body, and valves are arranged on the inflation pipe, the emptying pipe, the vacuum pipe, the oil filling pipe and the dew point detection line.

Preferably, the dew point detection line includes detection pipeline, flowmeter and dew point hygrometer, the detection pipeline is located blow-down pipe one side, install the inner end of detection pipeline the flowmeter, install the outer end of detection pipeline the dew point hygrometer.

Preferably, a self-standing adjusting valve is further mounted on the inflation tube.

Preferably, the inflation pipe and the emptying pipe are respectively arranged at the upper part of the tank body.

Preferably, the filler pipe is located below the vacuum pipe.

Preferably, the tank body is provided with a pressure gauge for detecting the internal pressure of the tank body.

Preferably, the tank body is provided with a thermometer for detecting the temperature inside the tank body.

Preferably, a liquid level meter for detecting the oil storage amount in the tank body is mounted at the top of the tank body.

Preferably, the top of the tank body is also provided with a safety valve.

Preferably, the bottom of the tank body is provided with an oil outlet pipe, and the oil outlet pipe is provided with a filter.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides an oil storage tank for hydrophilic lubricating oil, which is characterized in that positive pressure displacement of nitrogen is carried out on the interior of the oil storage tank through an inflation pipe and a vent pipe, after the displacement is finished, the interior of the oil storage tank is vacuumized through a vacuum pipe, oil is sucked into the oil storage tank through an oil injection pipe under the condition of ensuring negative pressure, after the oil injection is finished, the steps of vacuumizing and pressurizing are repeated, the gas phase space above the oil is repeatedly displaced, the purity of the nitrogen in the oil storage tank is ensured, then pressure maintaining is carried out, and finally the dew point of the gas phase space is monitored through a detection line. Through the device, the problem that the hydrophilic lubricating oil is deteriorated due to lack of real-time monitoring in the long-term preservation process is solved, and the waste caused by the uncertain oil supplement amount is avoided.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is apparent that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic view showing the internal structure of an oil storage tank for a hydrophilic lubricating oil according to the present invention.

In the figure, 1 tank body, 2 inflation pipes, 3 emptying pipes, 4 vacuum pipes, 5 oil filling pipes, 6 detection pipelines, 7 flow meters, 8 dew point meters, 9 self-supporting adjusting valves, 10 pressure meters, 11 temperature meters, 12 liquid level meters, 13 safety valves, 14 oil outlet pipes and 15 filters.

Detailed Description

In order to better understand the technical content of the utility model, specific embodiments are provided below, and the utility model is further described with reference to the accompanying drawings.

Referring to fig. 1, the utility model provides an oil storage tank for hydrophilic lubricating oil, which comprises a tank body 1, wherein the tank body 1 is respectively provided with an inflation pipe 32 and an emptying pipe for replacing gas inside the tank body 1, the inflation pipe 32 is connected with inert gas sources such as nitrogen, a vacuum pipe 4 for vacuumizing the inside of the tank body 1 and an oil filling pipe 5 for filling oil into the inside of the tank body 1 are also arranged on the tank body 1, one side of the emptying pipe is connected with a dew point detection line for detecting the humidity inside the tank body 1, and valves are respectively arranged on the inflation pipe 32, the emptying pipe, the vacuum pipe 4, the oil filling pipe 5 and the dew point detection line.

When carrying out the oiling to the oil storage tank, carry out nitrogen gas malleation replacement to oil storage tank inside through gas tube 32 and blow-down pipe earlier, the replacement is accomplished the back, through vacuum tube 4 to the inside evacuation of oil storage tank, under the state of guaranteeing the negative pressure, inhale the oil storage tank with oil through oiling pipe 5, the back is accomplished in the oiling, the step of repeated evacuation and pressurization again, replace 3 times repeatedly to the gas phase space of oil top, ensure the purity of nitrogen gas in the oil storage tank, then implement the pressurize, monitor the dew point of gas phase space through the detection line at last.

Dew point detection line is including detecting pipeline 6 and adopting flowmeter 7 and dew point hygrometer 8 on the market, it locates to detect pipeline 6 blow-down pipe one side, install the inner end of detecting pipeline 6 flowmeter 7, install the outer end of detecting pipeline 6 dew point hygrometer 8.

And a self-supporting regulating valve 9 is also arranged on the inflation pipe 32, so that the pressure inside the oil storage tank is maintained at normal state.

The inflation pipe 32 and the emptying pipe are respectively arranged at the upper part of the tank body 1.

The oil filling pipe 5 is located below the vacuum pipe 4, and if the oil filling pipe 5 is located above the vacuum pipe 4, part of the oil may be drawn out of the vacuum pipe 4 during the process of entering the oil storage tank.

The pressure gauge 10 for detecting the internal pressure of the tank body 1 is arranged on the tank body 1, so that the pressure value inside the oil storage tank can be conveniently known in real time.

The tank body 1 is provided with a thermometer 11 for detecting the temperature inside the tank body 1.

The liquid level gauge 12 for detecting the oil storage capacity in the tank body 1 is installed at the top of the tank body 1, so that the oil storage capacity can be conveniently known, and the phenomenon that the oil level is too high to be sucked out from the vacuum tube 4 in the oil injection process can be avoided.

The top of the tank body 1 is also provided with a safety valve 13, and the safety valve 13 is used for performing overpressure relief protection on the oil storage tank.

The bottom of the tank body 1 is provided with an oil outlet pipe 14, the oil outlet pipe 14 is provided with a filter 15, and the filter 15 adopts a commercially available Y-shaped filter 15 to filter oil.

When the oil storage tank is filled with oil, the valve of the gas filling pipe 32 is firstly opened to fill nitrogen into the oil storage tank, and then the valve of the emptying pipe is opened to carry out positive pressure purging and gas hold-off replacement on the gas in the oil storage tank.

After the replacement is finished, a dew point monitoring line is opened, the flow is adjusted through the flowmeter 7, the dew point value of a nitrogen gas source is monitored, and the dew point is ensured to meet the requirement that the temperature is less than or equal to minus 60 ℃.

Then, the gas in the oil storage tank is pumped out through the vacuum pipe 4 by using a vacuum pump until the pressure in the oil storage tank reaches below 1x10-3 pa.

After the pressure reaches, the oil is sucked into the oil storage tank through the oil filling port while vacuumizing, and after the oil is filled, the oil filling port and the vacuum tube 4 are closed.

And (3) opening the valve of the gas filling pipe 32 to fill the internal pressure of the oil storage tank to 0.2MPa, closing the valve of the gas filling pipe 32, opening the valve of the vent pipe to release pressure, then opening the vacuum pump and the vacuum pipe 4 again to perform vacuumizing replacement, and repeating the steps of filling nitrogen and vacuumizing (3 times) to ensure the cleanliness of the gas phase space in the oil storage tank.

And keeping the valve of the gas filling pipe 32 open, and setting the pressure of the self-supporting regulating valve 9 to be 0.2MPa, so that the pressure of the inside of the oil storage tank is kept to be 0.2MPa in a normal state.

And opening a monitoring line valve, adjusting the flow to the normal working flow of the dew point instrument 8 (the specific flow value is determined according to the selection of the dew point instrument 8), monitoring the dew point of the pressure maintaining gas in the oil storage tank in real time, immediately closing the pressure charging line valve when the monitored dew point is higher than-60 ℃, and vacuumizing the gas in the oil storage tank. And checking the dew point and cleanliness of the gas source, and considering replacement of the gas source. Through the device, the problem that the hydrophilic lubricating oil is deteriorated due to lack of real-time monitoring in the long-term preservation process is solved, and the waste caused by the uncertain oil supplement amount is avoided.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The utility model provides an oil storage tank for hydrophilicity lubricating oil, a serial communication port, which comprises a tank body, the jar body is equipped with respectively and is used for the replacement jar internal portion gaseous gas tube and blow-down pipe, still be equipped with the vacuum tube to jar internal portion evacuation on the jar body and to the notes oil pipe of the internal portion oiling of jar, blow-down pipe one side is connected with and is used for detecting the dew point detection line of the internal portion humidity of jar, all install the valve on gas tube, blow-down pipe, vacuum tube, notes oil pipe and the dew point detection line.

2. The oil storage tank for the hydrophilic lubricating oil as claimed in claim 1, wherein the dew point detection line comprises a detection pipeline, a flow meter and a dew point meter, the detection pipeline is arranged on one side of the emptying pipe, the flow meter is arranged at the inner end of the detection pipeline, and the dew point meter is arranged at the outer end of the detection pipeline.

3. The storage tank for hydrophilic lubricating oil according to claim 1, wherein the gas filling pipe is further provided with a self-standing regulating valve.

4. An oil storage tank for a hydrophilic lubricating oil according to claim 1, wherein the gas filling pipe and the emptying pipe are respectively arranged at the upper part of the tank body.

5. An oil reservoir for hydrophilic lubricating oil according to claim 1, characterized in that the filler pipe is located below the vacuum pipe.

6. An oil storage tank for hydrophilic lubricating oil according to claim 1, wherein the tank body is provided with a pressure gauge for detecting the internal pressure of the tank body.

7. An oil storage tank for a hydrophilic lubricating oil according to claim 1, wherein a thermometer for detecting the temperature inside the tank body is mounted on the tank body.

8. An oil storage tank for hydrophilic lubricating oil according to claim 1, wherein a liquid level gauge for detecting the amount of oil stored inside the tank body is installed on the top of the tank body.

9. An oil storage tank for hydrophilic lubricating oil according to claim 1, wherein a safety valve is further installed on the top of the tank body.

10. The oil storage tank for hydrophilic lubricating oil according to claim 1, wherein the tank body is provided at a bottom thereof with an oil outlet pipe, and a filter is mounted on the oil outlet pipe.

Images