CN201670832U - Oil purification treatment equipment - Google Patents

Abstract

The utility model discloses an oil purification device, which comprises a rough processing device, a heating device, a first fine filtration device, a dehydration device, a second fine filtration device and a third fine filtration device. The rough processing device, the heating device, the first fine filtration device, the dehydration device, the second fine filtration device and the third fine filtration device are arranged in sequence and connected through pipelines, and a vacuum pump is arranged on the pipeline between the second fine filtration device and the third fine filtration device. The utility model has good effect on separation of water and solid impurity particles, can achieve high oil purity after purification, and can realize the online continuous treatment.

Description

Oil purification treatment equipment

technical field

The utility model belongs to the technical field of separation equipment, and relates to an oil separation treatment equipment, in particular to an oil purification treatment equipment.

Background technique

After a certain period of time, the oil used in mechanical equipment will be polluted by moisture and impurities. Since most companies are not equipped with expensive professional oil testing equipment, technicians can only judge the degree of oil pollution in mechanical equipment based on the calculation of the oil use time or by the naked eye. If the equipment of the enterprise uses polluted oil with a NAS level higher than 13 for a long time, it will cause serious wear and frequent failure of high-precision parts in the equipment, thereby accelerating the aging of the enterprise's mechanical equipment and increasing expensive equipment maintenance costs. The maintenance cost is usually 20%-40% of the equipment cost. More than 80% of oil equipment failures are caused by oil pollution.

At present, in the treatment of various oils containing impurities, the main focus is generally on the treatment of water, and most of them use vacuum oil filters for oil-water separation. For example, an oil-water separator for oil filters is disclosed in Chinese patent ZL97226341.1 , the tank body of the separator is a vertical structure, and the lower part has an oil-water separation frame, which is composed of at least five oil-water separation sheets with folds and a bushing, and the oil-water separation sheet has holes. The separator is evacuated by a vacuum pump to make the water in the oil boil and convert into water vapor, and the water vapor is discharged by the vacuum pump. However, this device has a poor separation effect on fine impurities such as metal powder and its solid particles.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of oil purification treatment equipment with good separation effect on water and solid impurity particles, high cleanliness of purified oil, and continuous online processing for the above-mentioned defects of the prior art.

The technical solution adopted by the utility model to solve the technical problem is: an oil purification treatment equipment, including a rough treatment device, a heating device, a first fine filter device, a dehydration device, a second fine The filter device and the third fine filter device are provided with a vacuum pump on the pipeline between the second fine filter device and the third fine filter device.

A transition oil tank is arranged before the vacuum pump.

The rough treatment device comprises a coarse filter cylinder, the oil inlet of the coarse filter cylinder communicates with the oil tank to be treated through a pipeline, the oil outlet of the coarse filter cylinder communicates with a heating device through a pipeline, and a coarse filter is arranged in the coarse filter cylinder. The mesh diameter of the coarse filter is 80-120 mesh, and a conveying pump is arranged after the rough treatment device.

The heating device includes a heating cylinder, a heater is arranged in the heating cylinder, the oil inlet of the heating cylinder communicates with the rough treatment device through a pipeline, and the oil outlet of the heating cylinder communicates with the first fine filter device through a pipeline. The temperature of the oil heated by the heating cylinder is 40-80°C.

The first fine filter device includes a first fine filter, the oil inlet of the first fine filter communicates with the heating cylinder through a pipeline, the oil outlet of the first fine filter communicates with the dehydration device through a pipeline, and the first fine filter There is a first fine filter screen inside which the particle size of the filtered particles is greater than 1.0 micron, allowing the viscosity of the filtered oil to be 10-320cst at 40°C.

The dehydration device includes a dehydrator, the dehydrator is connected with a vacuum device, and the vacuum device controls the vacuum degree of 650-670Pa in the dehydration tank, under which the oil and water are separated, and the oil inlet of the dehydrator passes through the pipeline and the first fine filter The device is communicated, and the oil outlet of the dehydrator is communicated with the second fine filter device through a pipeline.

The vacuum device includes a vacuum pump, the dehydrator includes a dehydration cylinder, a separator and a condenser are arranged in the dehydration cylinder, an oil drainer and an oil drain valve are connected to the upper part of the separator, and a drain drainer and a drain valve are connected to the condenser , a Roots pump is arranged between the separator and the condenser, and the condenser is connected with the vacuum pump.

The second fine filter device includes a second fine filter, the oil inlet of the second fine filter communicates with the first fine filter device through a pipeline, and the oil outlet of the second fine filter communicates with the third fine filter through a pipeline , the second fine filter is provided with a second fine filter element whose filtered particle size is greater than 0.5 micron and allows the viscosity of the filtered oil to be 10-320cst at 40°C.

The third fine filter device includes a third fine filter, the oil inlet of the third fine filter is communicated with the second fine filter device through a pipeline, the oil outlet of the third fine filter is communicated with the fuel tank through a pipeline, and the oil outlet of the third fine filter is connected with the oil tank through a pipeline. The filter is provided with a third fine filter element whose filtered particle size is greater than 0.1 micron and allows the viscosity of the filtered oil to be 10-320cst at 40°C.

A water removal device is arranged before the rough treatment device, an oil inlet valve is arranged before the water removal device, and an oil outlet valve is arranged behind the third fine filter device.

The utility model adopts multi-level processing equipment, one rough treatment, three fine filtrations, one oil-water separation, fully treats and filters solid impurities and water, removes water efficiently, and can also completely remove all harmful substances such as metal particles and powders. Oil harmful solid matter. It can be docked with the oil inlet and outlet of the oil tank of the oil equipment without affecting the normal operation of the oil equipment used in the production of the enterprise, and the unclean oil in the oil tank can be processed by the treatment equipment of the utility model. The filtered oil with high cleanliness enters the oil tank of the production oil equipment. Moreover, after multiple cycles of filtration, the pollution accumulation in the oil tank and valve of the oil equipment can be cleaned, and the oil is always at a high degree of cleanliness.

The utility model also has the following beneficial effects:

1. The waste oil polluted in the oil tank of the production equipment of the waste oil reuse enterprise can be separated from impurities and water after many times of high-precision filtration by the utility model, and the NAS grade of the purified oil can be kept at 5 grades, which is equivalent to or It is higher than the cleanliness level of the new oil purchased by the enterprise, which reduces the cost of purchasing oil for the enterprise.

2. Reduce the failure rate of oil-using equipment The oil purification equipment can be filtered online, which can keep the oil in the oil tank of the equipment with high cleanliness continuously, and the failure rate caused by oil pollution is almost zero. This greatly reduces the damage rate of enterprise equipment.

3. On-line filtration only needs to connect the utility model with the oil tank of the enterprise's production oil equipment. The whole purification process is fully automated, and can automatically circulate and filter without personnel supervision, and will not affect the normal work of the enterprise's production oil equipment. With the advantages of high efficiency and easy management, it can truly save energy and reduce emissions for high-energy-consuming enterprises, and improve the competitiveness of enterprises.

4. Avoid secondary pollution During the process of replacing the oil in the oil tank of the enterprise's oil equipment, various pollutants such as moisture, dust in the air, dust and fine metal particles carried by operators will inevitably pollute the oil. Moreover, the replacement of new oil cannot completely export the remaining oil and pollutants at the bottom of the fuel tank, so the quality of new oil will decline after it is injected into the fuel tank. However, the utility model can realize on-line filtration and export the pollutants at the bottom of the fuel tank by means of circular filtration through pressure shock, so that no more pollutants remain in the fuel tank of the equipment, and at the same time, various pollutions caused by each oil change are avoided.

Description of drawings

The utility model will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

Fig. 1 is the connection schematic diagram of the utility model embodiment;

Fig. 2 is a schematic structural view of the water removal device of the utility model embodiment;

Fig. 3 is the schematic structural view of the rough processing device of the utility model embodiment;

Fig. 4 is the structural representation of the heating device of the utility model embodiment;

Fig. 5 is a schematic structural view of the first fine filter device according to the embodiment of the present invention;

Fig. 6 is a schematic structural view of a dehydration device according to an embodiment of the present invention;

Fig. 7 is a schematic structural view of the second fine filter device according to the embodiment of the present invention;

Fig. 8 is a schematic structural view of a third fine filter device according to an embodiment of the present invention.

Detailed ways

As shown in Figure 1, a kind of oil purification treatment equipment, including water removal device 1, rough treatment device 2, heating device 3, first fine filter device 4, dehydration device 5, second fine filter device 7 arranged in sequence , The third fine filter device 8 , the above devices are connected by pipelines, and a vacuum pump 94 is arranged on the pipeline between the second fine filter device 7 and the third fine filter device 8 . The transition oil tank 6 is provided before the vacuum pump 94 and the second fine filter device 7, and the transition oil tank 6 is used to store oil to prevent the vacuum pump 94 from entering the vacuum pump 94 when it is working, causing the vacuum pump 94 to be idling and damaged. An oil inlet valve 92 is arranged in front of the dewatering device 1, which is opened after starting the oil purification treatment equipment. A transfer pump 93 is provided between the heating device 3 and the first fine filter device 4, and the transfer pump 93 is a gear pump, which is used to extract the oil in the oil tank 100 and flow it in the oil purification treatment equipment for treatment. The inlet and outlet of the oil tank 100 are respectively provided with an oil outlet valve 91 and an oil inlet valve 95 for connecting with oil purification treatment equipment.

As shown in Figure 2, the dewatering device 1 directly connected with the oil tank 100 includes a dewatering tank 10, and the upper part of the dewatering tank 10 is respectively provided with an oil inlet 11 and an oil outlet 12, and the oil entering the dewatering tank 10 is separated from oil and water. The large water droplets present in the oil are due to their heavy weight and settle to the bottom of the water removal tank 10, and the accumulated water is discharged through the sewage outlet 13 at the bottom of the water removal tank 10.

As shown in Figure 3, the coarse treatment device 2 comprises a coarse filter cylinder 20, the oil inlet 21 of the coarse filter cylinder 20 communicates with the water removal tank 10 through a pipeline, and the oil outlet 22 of the coarse filter cylinder 20 communicates with the heating device 3 through a pipeline, Coarse filtering cylinder 20 is provided with filter screen 23, and filter screen 23 is arranged between oil inlet 21 and oil outlet 22, and filter screen 23 is provided with 2～5 layers, can horizontal interval be arranged, also can vertical interval be arranged. The mesh diameter of filter screen 23 is selected as 80～120 orders, and the filter screen 23 mesh diameter of present embodiment is selected as 100 orders, can also select 80,90,110,120 orders, multi-layer filter screen 23 can be net The hole diameters are the same, or the mesh diameters may be different, and the mesh diameters of the filter screen 23 are gradually reduced from the oil inlet 21 to the oil outlet 22 . Through the multi-layer filtration of the filter screen 23, the solid matter of large particles is filtered out. A delivery pump 93 is provided behind the rough processing device 2, and the delivery pump 93 is a gear pump.

As shown in Figure 4, heating device 3 comprises heating cylinder 30, is provided with heater 33 in heating cylinder 30, and the oil inlet 31 of heating cylinder 30 is communicated with the coarse filtering cylinder 20 of rough treatment device 2 by pipeline, and the heating cylinder 30 The oil outlet 32 communicates with the first fine filter device 4 through a pipeline. The pipeline transports the oil into the heating cylinder 30, the oil flows through the heater 33 to be heated, and the temperature of the oil heated by the heating cylinder 30 is maintained at 40-80°C. After heating, the viscosity of the oil is reduced and the fluidity is enhanced. The height of the heating oil temperature of the heating device 3 is controlled by a controller (not shown in the figure), so that it meets the processing requirements.

As shown in Figure 5, the first fine filter device 4 comprises a first fine filter 40, the oil inlet 41 of the first fine filter 40 communicates with the heating cylinder 30 through a pipeline, and the oil outlet 42 of the first fine filter communicates with the heating cylinder 30 through a pipeline. The dehydration device 5 is connected. The first fine filter 40 is provided with a first fine filter screen 43, the first fine filter screen 43 is a metal filter screen, and the first fine filter screen 43 can be provided with one layer or multiple layers at intervals. The diameter of the particles filtered out by the first fine filter screen 43 is larger than 1.0 micron, and the viscosity of the filter oil is allowed to be 10-320 cst (at 40° C.), which is suitable for the treatment of most oils. For oil filtration, the first fine filter oil inlet 41 and the first fine filter oil outlet 42 are respectively arranged on both sides of the first fine filter screen 43 . For the convenience of pipeline connection, the first fine filter oil inlet 41 and the first fine filter oil outlet 42 can also be arranged on the same side of the first fine filter screen 43, then the oil inlet 41 is connected to the first fine filter through a pipeline. Oil flows out from the other side of the fine filter screen 43 , and then flows out from the first fine filter oil outlet 42 after being filtered by the first fine filter screen 43 .

As shown in Figure 6, the dehydration device 5 includes a dehydrator, the dehydrator is connected with a vacuum device, and the vacuum device controls the degree of vacuum of 650-670 Pa in the dehydration cylinder, under which the oil and water are separated, and the oil inlet of the dehydrator It communicates with the first fine filter device 4 through a pipeline, and the oil outlet of the dehydrator communicates with the second fine filter device 7 through a pipeline. The vacuum device includes a vacuum pump 55 .

Described dehydrator comprises dehydration cylinder 50, is provided with separator 52 and condenser 54 in dehydration cylinder 50, and the top of separator 52 is connected with drainer 56 and drain valve 59, and condenser 54 is connected with drainage drainer 57 and A blowdown valve 58 , a Roots pump 53 is provided between the separator 52 and the condenser 54 , and the condenser 54 is connected to a vacuum pump 55 . During the oil filtering process, start the vacuum pump 55 to evacuate the dehydration cylinder 50. When the pressure in the dehydration cylinder 50 reaches 0.95mpa, start the Roots pump 53, and cooperate with the vacuum pump 55 to evacuate the dehydration cylinder 50. When the pressure in the dehydration cylinder 50 reaches 650-670Pa When the vacuum degree is high, open the oil drain valve 59 and the drain valve 58, the separated oil enters the transition oil tank 6 from the oil drain valve 59 for storage, and the water condensed by the condenser and a small part of dirty oil are discharged from the drain valve 58.

As shown in Figure 7, the second fine filter device 7 described includes a second fine filter 70, the oil inlet 71 of the second fine filter 70 communicates directly with the transition oil tank 6 through a pipeline, and the second fine filter 70 The oil outlet 72 communicates with the third fine filter device 8 through a pipeline. The second fine filter element 70 is provided with a second fine filter element 73, the particle size of the second fine filter element 73 filters particles greater than 0.5 micron, the second fine filter element 73 allows the viscosity of the filtered oil to be 10 ~ 320cst ( 40°C). The oil inlet 71 is connected with a pipeline 74, and the oil is delivered to the upper end of the second fine filter element 73. An oil outlet 75 is formed on the pipeline 74. The oil flows out from the oil outlet 75 and slowly penetrates the second fine filter element 73 for filtration. The second fine filter element 73 keeps the moisture and metal particles contained in the oil in the second fine filter element 73 .

As shown in Figure 8, the third fine filter device 8 includes a third fine filter 80, the oil inlet 81 of the third fine filter 80 communicates with the second fine filter device 7 through a pipeline, and the third fine filter The oil outlet 82 of 80 communicates with the oil tank 100 through the pipeline. The third fine filter element 80 is provided with a third fine filter element 83. The particle size of the particles filtered out by the third fine filter element 83 is greater than 0.1 micron. 83 allows the viscosity of the filter oil to be 10-320cst (40°C). The oil inlet 81 is connected with a pipeline 84, and the oil is delivered to the upper end of the second fine filter element 83. An oil outlet 85 is formed on the pipeline 84, and the oil flows out from the oil outlet 85 and slowly permeates the second fine filter element 83 for filtration. The second fine filter element 83 keeps the moisture and metal particles contained in the oil in the second fine filter element 83 . The cleanliness level of the oil can generally reach NAS 5-7 in one-time filtration accuracy.

The second fine filter element 73 and the third fine filter element 83 are made of glass fiber or plant fiber. The second fine filter element 73 and the third fine filter element 83 have a filter layer of more than 110 mm, which can filter out pollutants mixed in the oil, such as metal powder, carbide, moisture, dust, etc. The second fine filter element 73 and the third fine filter element 83 have dual functions of deep filtration and adsorption, and the pollutants and water above 0.1 micron can be filtered out together.

Implementation process: the oil outlet valve 91 of the oil equipment oil tank 100 of the enterprise is connected with the oil inlet valve 92 of the water removal device 1 in the equipment of the present invention, and the oil inlet of the utility model and the oil inlet on the oil equipment oil tank 100 are set. The oil valve 95 is connected. Firstly, the delivery pump 93 is opened, and the oil to be filtered enters the large water droplets in the dewatering device 1 to separate the oil from the oil inlet valve 91, and then enters the coarse filter cylinder 20, where larger particulate matter is filtered. Then the oil enters the heating device 3 for heating, and the oil in the heating cylinder 30 increases the oil temperature through the heater 33, and the oil temperature is controlled between 40 and 80 degrees. In the device 40, the particulate matter above 1.0 micron is filtered. Then the oil enters the dehydration device 5 for further oil-water separation, the water is fully separated, the water is released from the dehydration cylinder 50, and the oil after oil-water separation enters the transition oil tank 6 for transfer, and then enters successively under the action of the pressure difference provided by the high-frequency vacuum pump 94. The second fine filter device 7 and the third fine filter device 8 pass through these two fine filter devices to filter and remove all harmful substances such as metal dust, water, and particles larger than 0.1 micron, and then return to the fuel tank through the oil inlet valve 95 100.

Oil inspection: the oil filtered by the utility model and the unfiltered oil are sent to the oil product inspection and evaluation center of the machinery industry for inspection.

Test method: adopt NAS1638, ISO4406.

Inspection numbers: J2010031514 and J2010031515 respectively.

Test results: the NAS grade of the oil treated by the equipment of the utility model is 7, and the ISO grade is 15/11.

The NAS grade of the oil not treated by the utility model is greater than 16, and the ISO grade is greater than 24/21.

The above results show that the cleanliness of the oil treated by the equipment of the utility model is equal to or higher than that of new oil.

Claims (10)

1. purifying oil equipment, it is characterized in that, comprise the bulk processing device, heating unit, first fine filtering apparatus, dewatering unit, second fine filtering apparatus, the 3rd fine filtering apparatus that are provided with and pass through pipe connection successively in proper order, on the pipeline between second fine filtering apparatus, the 3rd fine filtering apparatus, be provided with vacuum pump.

2. purifying oil equipment according to claim 1 is characterized in that, is provided with the transition fuel tank before the described vacuum pump.

3. purifying oil equipment according to claim 1, it is characterized in that, described bulk processing device comprises the coarse filtration cylinder, the oil-in of coarse filtration cylinder is by pipeline and the fuel tank UNICOM that needs to handle, the oil outlet of coarse filtration cylinder is by pipeline and heating unit UNICOM, be provided with the coarse filtration net in the coarse filtration cylinder, the mesh diameter of coarse filtration net is 80～120 orders, is provided with transferpump behind the described bulk processing device.

4. purifying oil equipment according to claim 1, it is characterized in that described heating unit comprises the heating cylinder, be provided with well heater in the heating cylinder, the oil-in of heating cylinder is by pipeline and bulk processing device UNICOM, and heating cylinder oil outlet is by the pipeline and the first fine filtering apparatus UNICOM.

5. purifying oil equipment according to claim 1, it is characterized in that, described first fine filtering apparatus comprises first fine filter, the first fine filter oil-in is by pipeline and heating cylinder UNICOM, the first fine filter oil outlet is by pipeline and dewatering unit UNICOM, be provided with in first fine filter particle diameter that leaches greater than 1.0 microns, to allow to filter oil viscosity be the first smart filter screen that filters of 10～320cst 40 ℃ the time, the described first smart filter screen that filters.

6. purifying oil equipment according to claim 1, it is characterized in that described dewatering unit comprises water trap, water trap is connected with vacuum unit, the water trap oil-in is by the pipeline and the first fine filtering apparatus UNICOM, and the water trap oil outlet is by the pipeline and the second fine filtering apparatus UNICOM.

7. purifying oil equipment according to claim 6, it is characterized in that, described vacuum unit comprises vacuum pump, described water trap comprises the dehydration cylinder, be provided with separator and condenser in the dehydration cylinder, separator top is connected with bleeder and oil-release valve, and condenser is connected with sluicing excretion machine and wash water valve, be provided with lobe pump between separator and the condenser, condenser is connected with described vacuum pump.

8. purifying oil equipment according to claim 1, it is characterized in that, described second fine filtering apparatus comprises second fine filter, the second fine filter oil-in is by the pipeline and the first fine filtering apparatus UNICOM, the second fine filter oil outlet is by pipeline and the 3rd fine filter UNICOM, be provided with in second fine filter particle diameter that leaches greater than 0.5 micron, to allow to filter oil viscosity be the second smart filter core of 1 0～320cst 40 ℃ the time.

9. purifying oil equipment according to claim 1, it is characterized in that, described the 3rd fine filtering apparatus comprises the 3rd fine filter, the 3rd fine filter oil-in is by the pipeline and the second fine filtering apparatus UNICOM, the 3rd fine filter oil outlet is by pipeline and fuel tank UNICOM, be provided with in the 3rd fine filter particle diameter that leaches greater than 0.1 micron, to allow to filter oil viscosity be the 3rd smart filter core of 10～320cst 40 ℃ the time.

10. purifying oil equipment according to claim 1 is characterized in that, is provided with de-watering apparatus before the bulk processing device, is provided with delivery valve after being provided with fuel charging valve, described the 3rd fine filtering apparatus before the de-watering apparatus.

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