Oil tank with micro-positive pressure drying function

Abstract

The utility model discloses an oil tank with a micro-positive pressure drying function, which comprises a micro-positive pressure drying device and an oil tank body, the micro-positive pressure drying device comprises a gas input port and a gas output port, the gas input port is connected with an external gas input device, and the gas output port is connected with an external gas output device. The micro-positive pressure drying device is used for filtering and drying the compressed gas input by the gas input device and outputting the filtered and dried compressed gas through the gas output port; an air inlet and an air outlet are formed in the two opposite sides of the oil tank body respectively, the air outlet is provided with a respirator, the air inlet is connected with the air output port, and the filtered and dried compressed air is used for adsorbing water vapor in the oil tank body and is discharged through the respirator. The oil tank with the micro-positive pressure drying function can continuously adsorb water vapor in the oil tank and take the water vapor away from the oil tank, so that the low water content of oil liquid is kept for a long time, and other dust impurities are effectively prevented from entering the oil tank.

Description

TECHNICAL FIELD

[0001] The utility model relates to an oil tank drying technical field especially, relates to an oil tank with micro positive pressure drying function. BACKGROUND

[0002] A plurality of oil systems are arranged in a pulping and papermaking workshop, which include a thin oil lubrication station and a hydraulic oil station, etc., the thin oil lubrication station is used for providing lubricating oil for bearings of guide rollers and drying cylinders of a pressing part and a drying part to realize lubrication and cooling, and the hydraulic oil station is used for providing hydraulic power for each hydraulic equipment, but both of them have the problem that oil is contaminated.

[0003] As for the thin oil lubrication station, the output lubricating oil will reach the guide rollers and bearings through pipelines, and then return to the oil tank through pipelines, but the guide rollers and bearings often enter water during production and cleaning during shutdown due to production spraying and water flushing, which further causes the oil in the guide rollers and bearings to be affected, and the water vapor mixed in the lubricating oil will return to the oil tank through the return oil pipe and form a water layer at the bottom of the oil tank after accumulation and deposition, which causes the oil tank to often need to be decontaminated, and the decontamination operation will discharge a small amount of oil during the drainage process, which causes the oil to be wasted, and the water mixed in the oil or the process cleaning chemicals will cause the oil to be emulsified, which greatly reduces the service life of the oil and affects the lubrication effect, which further causes the oil to need to be replaced frequently, thereby increasing the production cost.

[0004] The hydraulic system of the hydraulic oil station often has the problems that the hydraulic oil in the oil tank is contaminated due to equipment leakage, dust and moisture in the surrounding environment, or pipeline leakage, etc., and the contaminated oil with low cleanliness often causes the hydraulic system to have abnormal operation and hydraulic failure, which seriously affects the production efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an oil tank with micro positive pressure drying function, which can continuously adsorb water vapor in the oil tank and take the water vapor away from the oil tank, so as to maintain low water content of the oil for a long time, effectively prevent other dust and impurities from entering the oil tank, prolong the service life of the oil and reduce the consumption of the oil, and ensure the normal operation of the equipment.

[0006] In order to achieve the above-mentioned purpose, the utility model discloses an oil tank with micro positive pressure drying function, which comprises:

[0007] The micro positive pressure drying device comprises a gas input port and a gas output port, the gas input port is connected with an external gas input device, and the micro positive pressure drying device is used for filtering and drying compressed gas input by the gas input device and outputting the filtered and dried compressed gas through the gas output port.

[0008] The oil tank body is provided with an air inlet and an air outlet on opposite sides, respectively, and the air outlet is provided with a breather. The filtered and dried compressed gas is used to adsorb water vapor in the oil tank body and is discharged through the breather.

[0009] Optionally, the oil tank body is further provided with an oil return port connected with an oil return pipe, and the air inlet is correspondingly arranged on a side of the oil tank body close to the oil return port.

[0010] Optionally, the micro-positive pressure drying device comprises a filter and a dryer, an input end of the filter is connected with the gas inlet, an output end of the filter is connected with an input end of the dryer, and an output end of the dryer is connected with the gas outlet. The filter is provided with a pressure reducing unit and a filter element unit. The pressure reducing unit is used to reduce the pressure of the gas input by the gas inlet to condense the water in the gas. The filter element unit is used to filter particulate impurities in the gas input by the gas inlet. The dryer is provided with a reverse osmosis membrane unit, which is used to separate and adsorb water vapor in the gas output by the filter.

[0011] Optionally, the filter is further provided with a gas pressure display unit connected with the pressure reducing unit, and the gas pressure display unit is used to display the pressure of the gas in the pressure reducing valve unit.

[0012] Optionally, the filter is provided with a blowdown valve unit connected with the pressure reducing unit and the filter element unit, and the blowdown valve unit is used to discharge the water condensed by the pressure reducing unit and the particulate impurities filtered by the filter element unit from the filter.

[0013] Optionally, the micro-positive pressure drying device further comprises a flow meter and an adjusting valve, which are sequentially arranged between the output end of the dryer and the gas outlet. The flow meter is used to display the flow of the gas output by the dryer, and the adjusting valve is used to adjust the flow of the gas output to the gas outlet.

[0014] Optionally, the flow meter is an air float flow meter, and the adjusting valve is a throttle valve.

[0015] Optionally, a control valve is further arranged between the input end of the filter and the gas inlet, and the control valve is used to control the communication or disconnection between the input end of the filter and the gas inlet.

[0016] The utility model discloses a micro positive pressure drying device is set to the compressed gas of oil tank body is transported, and the gas input of micro positive pressure drying device is connected with the gas input device of outside, to filter and dry the compressed gas of input, and the gas output of micro positive pressure drying device is connected with the air inlet of oil tank body one side, and the filtered and dried compressed gas of micro positive pressure drying device input oil tank body can adsorb the water vapor in oil tank body, and is discharged through the breather of oil tank body the other side, and the filtered and dried compressed gas of micro positive pressure drying device input can continuously adsorb the water vapor in oil tank and take the water vapor away from oil tank, to keep the low water content of oil liquid for a long time, and effectively prevent other dust impurities from entering the oil tank, and it is favorable to prolong the service life of oil liquid and reduce the consumption of oil liquid, guarantee the normal operation of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic diagram of the oil tank with micro positive pressure drying function of the utility model embodiment.

[0018] Figure 2 It is the structure schematic diagram of the micro positive pressure drying device in the oil tank with micro positive pressure drying function of the utility model embodiment. DETAILED DESCRIPTION

[0019] To explain the technical content, construction features, realized purpose and effect of the utility model in detail, the following is combined with the embodiment and the drawing and is explained in detail.

[0020] Please refer to Figure 1 And Figure 2 The utility model discloses an oil tank with micro positive pressure drying function, which comprises:

[0021] The micro positive pressure drying device 1 comprises a gas input port 11 and a gas output port 12, the gas input port 11 is connected with a gas input device outside, and the micro positive pressure drying device 1 is used for filtering and drying the compressed gas input by the gas input device and outputting the filtered and dried compressed gas through the gas output port 12.

[0022] The oil tank body 2 is provided with an air inlet 21 and an air outlet 22 on opposite sides, the air outlet 22 is provided with a breather 23, the air inlet 21 is connected with the gas output port 12, and the filtered and dried compressed gas is used for adsorbing the water vapor in the oil tank body 2 and discharging through the breather 23.

[0023] The utility model discloses a micro positive pressure drying device 1 is set up to deliver compressed gas to oil tank body 2, and the gas input port 11 of micro positive pressure drying device 1 is connected with the gas input device outside, to filter and dry the input compressed gas, and the air inlet 21 of one side of oil tank body 2 is connected with the gas output port 12 of micro positive pressure drying device 1, and the filtered and dried compressed gas that micro positive pressure drying device 1 inputs oil tank body 2 can absorb the water vapor in oil tank body 2, and is discharged through breather 23 of the other side of oil tank body 2, and the filtered and dried compressed gas that micro positive pressure drying device 1 inputs can continuously absorb the water vapor in oil tank and take the water vapor away from oil tank, to keep the low water content of oil for a long time, and effectively prevent other dust impurities from entering oil tank, which is beneficial to prolong the service life of oil and reduce the consumption of oil, and ensure the normal operation of equipment.

[0024] Referring to Figure 1 And Figure 2 , micro positive pressure drying device 1 includes filter 13 and dryer 14, the input end of filter 13 is connected with gas input port 11, the output end of filter 13 and the input end of dryer 14 are connected, the output end of dryer 14 is connected with gas output port 12, filter 13 is provided with pressure reducing unit and filter element unit, pressure reducing unit is used for reducing the pressure of the gas inputted by gas input port 11 to condense the water in it, filter element unit is used for filtering the particulate impurities in the gas inputted by gas input port 11, dryer 14 is provided with reverse osmosis membrane unit, and the reverse osmosis membrane unit is used for separating and adsorbing the water vapor in the gas outputted by filter 13.

[0025] Specifically, in the embodiment, filter 13 is a precision pressure reducing and drying filter, and dryer 14 is a high polymer reverse osmosis membrane dryer, but is not limited thereto, filter 13 and dryer 14 are combined into an ultralow dew point air generator to filter and dry the compressed air of ordinary quality accessed to process it into clean compressed air with a dew point lower than-40 DEG C.

[0026] Further, filter 13 is also provided with air pressure display unit 131, air pressure display unit 131 is connected with pressure reducing unit, and air pressure display unit 131 is used for displaying the pressure of the gas in pressure reducing valve unit.

[0027] Specifically, in the embodiment, pressure reducing unit is provided with adjusting knob 132, and the pressure value displayed by air pressure display unit 131 and actual demand are used to adjust the size of the pressure reducing unit to reduce the pressure of the gas by rotating adjusting knob 132.

[0028] Further, filter 13 is provided with blowdown valve unit 133, blowdown valve unit 133 is connected with pressure reducing unit and filter element unit, and blowdown valve unit 133 is used for discharging the water condensed by pressure reducing unit and the particulate impurities filtered by filter element unit out of filter 13.

[0029] Specifically, in the present embodiment, the blowdown valve unit 133 is an automatic blowdown valve, and the output end of the blowdown valve unit 133 is connected with a blowdown pipe 134, and the other end of the blowdown pipe 134 is connected with an external drain.

[0030] Referring to Figure 1 and Figure 2 , the micro-positive pressure drying device 1 further comprises a flow meter 15 and a regulating valve 16, which are sequentially arranged between the output end of the dryer 14 and the gas output port 12, the flow meter 15 is used to display the flow of the gas output by the dryer 14, and the regulating valve 16 is used to adjust the flow of the gas output to the gas output port 12, so as to adjust the low-dew-point compressed air to a suitable gas amount through the regulating valve 16 according to the gas flow displayed by the flow meter 15.

[0031] Further, the flow meter 15 is an air float flow meter, and the regulating valve 16 is a throttle valve.

[0032] Referring to Figure 1 and Figure 2 , the input end of the filter 13 and the gas input port 11 are further provided with a control valve 17, which is used to control the communication or disconnection between the input end of the filter 13 and the gas input port 11.

[0033] Specifically, in the present embodiment, the compressed gas input by the external gas input device to the micro-positive pressure drying device 1 is compressed air, but is not limited thereto.

[0034] Referring to Figure 1 and Figure 2 , the oil tank body 2 is further provided with an oil return port 24, the oil return port 24 is connected with an oil return pipe 25, and the air inlet 21 is correspondingly arranged on the side of the oil tank body 2 close to the oil return port 24.

[0035] Specifically, in the present embodiment, the oil tank body 2 is further provided with an oil supply port 26, an oil pump 27 and an oil supply pipe 28, two ends of the oil pump 27 are connected with the oil supply port 26 and the oil supply pipe 28 respectively, two sides of the oil tank body 2 are an oil inlet side and an oil return side respectively, the oil supply port is correspondingly arranged on the side wall of the oil inlet side of the oil tank body 2, the oil return port 24 is correspondingly arranged on the top surface of the oil inlet side of the oil tank body 2, and the air inlet 21 is correspondingly arranged on the top surface of the oil inlet side of the oil tank body 2 adjacent to the position of the oil return port 24, but is not limited thereto, and can also be correspondingly arranged on the oil return side of the oil tank according to the existing opening position or the position convenient for opening the hole of the oil tank body 2; the water vapor mixed in the oil is discharged to the top of the oil tank body 2 through the oil return port 24, and the low dew point compressed air enters the top of the oil tank body 2 through the air inlet 21 to adsorb the water vapor, and then is discharged out of the oil tank body 2 through the breather 23, and the low dew point compressed air is continuously blown in, which can not only continuously adsorb the water vapor, but also can maintain the oil tank body 2 in a slightly positive pressure state, thereby preventing the particulate impurities such as dust from entering the oil tank body 2 through the breather 23, the air inlet 21, the air outlet 22 and the oil return port 24 to pollute the oil.

[0036] The above only discloses preferred embodiments of the present application, and of course cannot limit the scope of the present application, therefore, equivalent changes made according to the patent application scope of the present application still belong to the scope covered by the present application.

Claims

1. An oil tank with a micro-positive pressure drying function, characterized by, include: A micro-positive pressure drying device includes a gas inlet and a gas outlet. The gas inlet is connected to an external gas input device. The micro-positive pressure drying device is used to filter and dry the compressed gas input by the gas input device, and output the filtered and dried compressed gas through the gas outlet. The fuel tank body has an air inlet and an air outlet on opposite sides. The air outlet is equipped with a breather. The air inlet is connected to the gas outlet. The filtered and dried compressed gas is used to adsorb water vapor inside the fuel tank body and is discharged through the breather.

2. The oil tank with a slight positive pressure drying function according to claim 1, characterized by, The fuel tank body is also provided with a return oil port, which is connected to a return oil pipe, and the air inlet is correspondingly located on the side of the fuel tank body near the return oil port.

3. The oil tank with a slight positive pressure drying function according to claim 1, characterized by, The micro-positive pressure drying device includes a filter and a dryer. The input end of the filter is connected to the gas inlet, the output end of the filter is connected to the input end of the dryer, and the output end of the dryer is connected to the gas outlet. The filter is equipped with a pressure reducing unit and a filter element unit. The pressure reducing unit is used to reduce the pressure of the gas input through the gas inlet to condense the moisture therein. The filter element unit is used to filter particulate impurities in the gas input through the gas inlet. The dryer is equipped with a reverse osmosis membrane unit, which is used to separate and adsorb water vapor in the gas output from the filter.

4. The oil tank with a slight positive pressure drying function according to claim 3, characterized in that, The filter is also equipped with a pressure display unit, which is connected to the pressure reducing unit and is used to display the pressure of the gas in the pressure reducing unit.

5. The oil tank with a slight positive pressure drying function according to claim 3, characterized in that, The filter is equipped with a drain valve unit, which is connected to the pressure reducing unit and the filter element unit. The drain valve unit is used to discharge the water condensed by the pressure reducing unit and the particulate impurities filtered by the filter element unit from the filter.

6. The oil tank with a slight positive pressure drying function according to claim 3, wherein The micro-positive pressure drying device also includes a flow meter and a regulating valve. The flow meter and the regulating valve are sequentially arranged between the output end of the dryer and the gas output port. The flow meter is used to display the flow rate of the gas output by the dryer, and the regulating valve is used to regulate the flow rate of the gas output to the gas output port.

7. The oil tank with a slight positive pressure drying function according to claim 6, characterized by, The flow meter is an air float flow meter, and the regulating valve is a throttle valve.

8. The oil tank with a slight positive pressure drying function according to claim 3, wherein A control valve is also provided between the input end of the filter and the gas inlet, and the control valve is used to control the connection or disconnection between the input end of the filter and the gas inlet.

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