Energy-saving vacuum oil filter

Abstract

The utility model relates to an energy-saving vacuum oil filter, which belongs to the field of vacuum oil filters and comprises a case, an energy-saving mechanism for improving the oil filtering and energy saving performance is arranged on the inner wall of the case, an oil filtering mechanism for improving the oil filtering effect is arranged on the inner bottom wall of the case, and the energy-saving mechanism comprises a heating tank, a vacuum pump, an exhaust pipe, a soaking cover, a spiral heat conduction pipe and an output pipe. According to the energy-saving type vacuum oil filter, the energy-saving mechanism is arranged, after oil liquid is heated, water in the oil liquid becomes water vapor along with temperature rise, the water vapor floats upwards, the water vapor is pumped out through the vacuum pump and the connecting pipe and guided into the spiral heat conduction pipe to flow, the pumped-out water vapor contains high temperature, and when the water vapor spirally flows, dissipated heat is evenly transmitted into the heating tank through the soaking cover; in this way, the heat storage effect of the heating tank can be improved, power loss is reduced, the purpose of saving energy is achieved, water vapor can be precooled, and the condensing device is communicated with the output pipe and used for cooling the water vapor in oil liquid so that the water vapor can be condensed into water to be discharged.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum oil filter machines, in particular to an energy-saving vacuum oil filter machine. Background Art

[0002] The vacuum oil filter is a device that improves the cleanliness of oil used in machinery and electrical appliances. It can be used for on-site oil filtering and oil replenishment of various oil-immersed transformers, oil-immersed current and voltage transformers, and high-voltage and low-oil circuit breakers. It can also perform on-site hot oil circulation drying on the above equipment, especially for oil-immersed current and voltage transformers and high-voltage and low-oil circuit breakers. On-site hot oil circulation drying is more effective.

[0003] A vacuum oil filter disclosed in Chinese patent announcement No. (CN219815554U) includes a frame and a control box, and also includes: two cross bars fixed on both sides of the frame; two fixed bars fixed in parallel to the top of the cross bars, and the two ends are respectively located at the top of different cross bars; two sliding structures, which are slidably arranged inside the fixed bars; a placement plate, which is arranged between the two sliding structures and is used to place the control box. The vacuum oil filter provided by the utility model can move the control box of the vacuum oil filter away from the working part of the vacuum oil filter when in use, so that when the vacuum oil filter has an accident such as explosion, the user is relatively far away and can reduce the damage, which is safer and easier to operate.

[0004] However, the prior art such as the above patent still has the problem of poor energy-saving effect of heat treatment for the oil filter. A vacuum environment is first created in the vacuum oil filter, and then oil is injected and continuously heated to evaporate and filter out the water in the oil. However, continuous heat treatment consumes a lot of electricity to maintain, resulting in poor energy-saving effect of the oil filter. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an energy-saving vacuum oil filter having the advantages of good energy-saving effect, etc., and solves the problem of poor energy-saving effect of heat treatment for oil filter in the prior art.

[0006] To achieve the above object, the utility model provides the following technical solutions: an energy-saving vacuum oil filter, comprising a chassis, the inner wall of the chassis is provided with an energy-saving mechanism for improving the energy-saving performance of oil filtering, and the inner bottom wall of the chassis is provided with an oil filtering mechanism for improving the oil filtering effect;

[0007] The energy-saving mechanism includes a heating tank, a vacuum pump, an exhaust pipe, a heat-saturating hood, a spiral heat-conducting pipe, an output pipe, a condensing device, an electric heating pipe and an agitator. The heating tank is fixed to the inner wall of the chassis, the vacuum pump is fixed to the upper surface of the chassis, the exhaust pipe is connected to the air inlet end of the vacuum pump, the heat-saturating hood is fixed to the outer side of the heating tank, the spiral heat-conducting pipe is fixed to the outer side of the heat-saturating hood, a connecting pipe is connected between the output end of the vacuum pump and the top end of the spiral heat-conducting pipe, one end of the output pipe is connected to the bottom end of the spiral heat-conducting pipe, and the other end of the output pipe is connected to the condensing device, the electric heating pipe is fixed to the inner wall of the heating tank, and the agitator is arranged between the left and right inner walls of the heating tank to stir the oil for uniform heating.

[0008] Furthermore, a controller is fixed on the outside of the chassis, the bottom end of the air extraction pipe passes through and extends to the inner top wall of the heating tank, and the outside of the heating tank is connected to an oil filling pipe.

[0009] Furthermore, the stirring member includes a rotating shaft rotatably connected between the left and right inner walls of the heating tank through a bearing, a plurality of stirring plates are fixed to the outside of the rotating shaft, a driving motor is fixed to the right side of the heating tank, and the outer side of the output shaft of the driving motor is fixed to the rotating shaft.

[0010] Furthermore, the plurality of stirring plates are evenly distributed along the length direction of the rotating shaft.

[0011] Furthermore, the oil filtering mechanism includes a filter box, a coarse filter screen, a multi-layer fine filter element, an oil collecting frame, an oil pump, an oil extraction pipe, an oil delivery pipe and an oil drain pipe. The filter box is fixed to the inner bottom wall of the chassis, the coarse filter screen is fixed to the inner wall of the filter box, the multi-layer fine filter element is fixed to the inner wall of the filter box and is located below the coarse filter screen, the oil collecting frame is fixed to the inner bottom wall of the filter box, the oil pump is fixed to the upper surface of the filter box, the oil extraction pipe is connected to the oil inlet end of the oil pump, one end of the oil delivery pipe is connected to the oil outlet end of the oil pump, and the other end of the oil delivery pipe passes through and extends to the inner top wall of the filter box, and the oil drain pipe is connected to the inner wall of the oil collecting frame.

[0012] Furthermore, the bottom end of the oil extraction pipe passes through and extends to the inner bottom wall of the heating tank, and a flow guide cover is fixed to the upper surface of the oil collecting frame.

[0013] Furthermore, a control valve is fixed on the outer side of the oil drain pipe.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] 1. This energy-saving vacuum oil filter is equipped with an energy-saving mechanism. After the oil is heated, the moisture inside will turn into water vapor and float up as the temperature rises. It is extracted through a vacuum pump and a connecting pipe and introduced into the spiral heat-conducting pipe for flow. The extracted water vapor contains high temperature. When it flows in a spiral, the heat dissipated is evenly transferred to the heating tank by the heat-saturating hood, thereby improving the heat storage effect of the heating tank, reducing power loss and achieving the purpose of energy saving. The water vapor can also be pre-cooled. The condensing equipment is connected to the output pipe to cool the water vapor in the oil, condense it into water and discharge it.

[0016] 2. The energy-saving vacuum oil filter is provided with an oil filtering mechanism. The filter box is used as the main container for filtering oil. The oil pump is used to suck the oil and provide filtering power. The oil is extracted from the heating tank through the oil extraction pipe and then transported to the filter box through the oil delivery pipe. The coarse filter is used to initially filter larger impurities. Further multi-layer fine filter elements are located below the coarse filter to further finely filter tiny impurities in the oil. The oil collecting frame is used to collect the clean oil after filtration, which is filtered by the oil pump and the filtering system to remove impurities, and finally the clean oil is discharged through the control valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the energy-saving mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the oil filter mechanism of the utility model;

[0020] Figure 4 It is a partial schematic diagram of the oil filter mechanism of the utility model.

[0021] In the figure: 1 chassis, 2 energy-saving mechanism, 21 heating tank, 22 vacuum pump, 23 exhaust pipe, 24 heat hood, 25 spiral heat pipe, 26 output pipe, 27 condensing device, 28 electric heating pipe, 29 stirring member, 291 rotating shaft, 292 stirring plate, 293 driving motor, 210 connecting pipe, 3 oil filter mechanism, 31 filter box, 32 coarse filter screen, 33 multi-layer fine filter element, 34 oil collecting frame, 35 oil pump, 36 oil extraction pipe, 37 oil delivery pipe, 38 oil discharge pipe. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 An energy-saving vacuum oil filter in this embodiment includes a chassis 1, an inner wall of the chassis 1 is provided with an energy-saving mechanism 2 for improving the energy-saving performance of oil filtering, and an inner bottom wall of the chassis 1 is provided with an oil filtering mechanism 3 for improving the oil filtering effect.

[0024] See also Figure 2 In order to improve the energy-saving heat treatment effect of the vacuum oil filter, the energy-saving mechanism 2 in this embodiment includes a heating tank 21, a vacuum pump 22, an exhaust pipe 23, a heat hood 24, a spiral heat pipe 25, an output pipe 26, a condensing device 27, an electric heating pipe 28 and an agitator 29. The heating tank 21 is fixed to the inner wall of the chassis 1, and the vacuum pump 22 is fixed to the upper surface of the chassis 1. The vacuum pump 22 is fixed to the upper surface of the chassis 1 and is used to evacuate, reduce the pressure in the system, and promote the evaporation of moisture and gas in the oil. The exhaust pipe 23 is connected to the air inlet end of the vacuum pump 22, and the exhaust pipe 23 is connected to the air inlet end of the vacuum pump 22 to extract the gas in the tank to form a vacuum environment, and then add oil through the oil filling pipe. The heat hood 24 is fixed to the outer side of the heating tank 21, and the spiral heat pipe 25 is fixed to the outer side of the heat hood 24. A connecting pipe 210 is connected between the output end of the vacuum pump 22 and the top of the spiral heat pipe 25. The output One end of the tube 26 is connected to the bottom end of the spiral heat-conducting tube 25, and the other end of the output tube 26 is connected to the condensing device 27. The electric heating tube 28 is fixed to the inner wall of the heating tank 21. The heating tank 21 serves as the main container for heating the oil. The electric heating tube 28 is fixed to the inner wall of the heating tank 21 for heating the oil. When the electric heating tube 28 is energized, it generates heat to heat the oil in the heating tank 21. The stirring member 29 is arranged between the left and right inner walls of the heating tank 21 to stir the oil for uniform heating. After the oil is heated, the moisture inside will turn into water vapor and float up as the temperature rises. It is extracted through the vacuum pump 22 and the connecting pipe 210 and introduced into the spiral heat-conducting tube 25 for flow. The extracted water vapor contains high temperature. When it flows in the spiral heat-conducting tube 25, the dissipated heat is evenly transferred to the heating tank 21 by the heat absorbing cover 24, thereby improving the heat storage effect of the heating tank 21, reducing power loss to achieve the purpose of energy saving, and pre-cooling the water vapor can also be performed.

[0025] The stirring member 29 includes a rotating shaft 291 rotatably connected between the left and right inner walls of the heating tank 21 through a bearing, a plurality of stirring plates 292 are fixed to the outer side of the rotating shaft 291, a driving motor 293 is fixed to the right side of the heating tank 21, and the outer side of the output shaft of the driving motor 293 is fixed to the rotating shaft 291, the stirring member 29 is arranged in the heating tank 21, and is driven by the driving motor 293, and stirs the oil through the rotating shaft 291 and the stirring plates 292 to heat it evenly.

[0026] In this embodiment, a controller is fixed to the outside of the chassis 1, the bottom end of the exhaust pipe 23 passes through and extends to the inner top wall of the heating tank 21, the outside of the heating tank 21 is connected to the oil filling pipe, and a plurality of stirring plates 292 are evenly distributed along the length direction of the rotating shaft 291. The condensing device 27 is connected to the output pipe 26, which is used to cool the water vapor in the oil so that it condenses into water and is discharged.

[0027] See also Figures 3 to 4 In order to filter and purify the oil after heat treatment, the oil filter mechanism 3 in this embodiment includes a filter box 31, a coarse filter screen 32, a multi-layer fine filter element 33, an oil collecting frame 34, an oil pump 35, an oil extraction pipe 36, an oil delivery pipe 37 and an oil discharge pipe 38. The filter box 31 is used as the main container for filtering the oil. The oil pump 35 is used to suck the oil and provide filtering power. The oil is extracted from the heating tank 21 through the oil extraction pipe 36, and then the oil is delivered to the filter box 31 through the oil delivery pipe 37. The filter box 31 is fixed to the inner bottom wall of the chassis 1, the coarse filter screen 32 is fixed to the inner wall of the filter box 31, and the multi-layer fine filter element 33 is fixed to the inner wall of the filter box 31. 3 is fixed to the inner wall of the filter box 31 and is located below the coarse filter 32. The coarse filter 32 is used for preliminary filtering of larger impurities. A multi-layer fine filter element 33 is further located below the coarse filter 32 for further fine filtering of tiny impurities in the oil. The oil collecting frame 34 is fixed to the inner bottom wall of the filter box 31. The oil pump 35 is fixed to the upper surface of the filter box 31. The oil suction pipe 36 is connected to the oil inlet end of the oil pump 35. One end of the oil delivery pipe 37 is connected to the oil outlet end of the oil pump 35, and the other end of the oil delivery pipe 37 penetrates and extends to the inner top wall of the filter box 31. The oil discharge pipe 38 is connected to the inner wall of the oil collecting frame 34.

[0028] In this embodiment, the bottom end of the oil extraction pipe 36 passes through and extends to the inner bottom wall of the heating tank 21, a guide cover is fixed to the upper surface of the oil collecting frame 34, and a control valve is fixed to the outside of the oil discharge pipe 38. The oil collecting frame 34 is used to collect the filtered clean oil, filter it through the oil pump 35 and the filtering system to remove impurities, and finally discharge the clean oil through the control valve.

[0029] The working principle of the above embodiment is:

[0030] (1) When the vacuum oil filter is used to improve the energy-saving heat treatment effect, the vacuum pump 22 is first fixed to the upper surface of the chassis 1 to evacuate the system, reduce the pressure in the system, and promote the evaporation of water and gas in the oil. The exhaust pipe 23 is connected to the air inlet end of the vacuum pump 22 to extract the gas in the tank to form a vacuum environment, and then the oil is added through the oil filling pipe. The heating tank 21 is used as the main container for heating the oil. The electric heating pipe 28 is fixed to the inner wall of the heating tank 21 to heat the oil. The electric heating pipe 28 generates heat after being energized to heat the oil in the heating tank 21. The stirring member 29 is arranged in the heating tank 21 and is driven by the driving motor 293. The oil is stirred by the rotating shaft 291 and the stirring plate 292 to make it evenly heated. After the oil is heated, the moisture inside will turn into water vapor and float up as the temperature rises. It is extracted through the vacuum pump 22 and the connecting pipe 210 and introduced into the spiral heat pipe 25 for flow. The extracted water vapor contains high temperature. When it flows in the spiral heat pipe 25, the dissipated heat is evenly transferred to the heating tank 21 by the heat absorbing cover 24, thereby improving the heat storage effect of the heating tank 21, reducing power loss and achieving the purpose of energy saving. The water vapor can also be pre-cooled. The condensing device 27 is connected to the output pipe 26 to cool the water vapor in the oil so that it condenses into water and is discharged.

[0031] (2) When filtering and purifying the oil after heat treatment, the filter box 31 is used as the main container for filtering the oil, and the oil pump 35 is used to suck the oil and provide filtering power. The oil is extracted from the heating tank 21 through the oil extraction pipe 36, and then the oil is transported to the filter box 31 through the oil delivery pipe 37, wherein the coarse filter 32 is used to initially filter larger impurities, and further multi-layer fine filter elements 33 are located below the coarse filter 32, which are used to further finely filter tiny impurities in the oil. The oil collecting frame 34 is used to collect the clean oil after filtration, and the oil pump 35 and the filtering system are used to filter and remove impurities, and finally the clean oil is discharged through the control valve.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0033] The standard parts used in this application document can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in this field. Therefore, this application document will no longer explain the control method and circuit connection in detail.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. An energy-saving vacuum oil filter, comprising a housing (1), characterized in that: The inner wall of the case (1) is provided with an energy-saving mechanism (2) for improving the oil filtering energy-saving performance, and the inner bottom wall of the case (1) is provided with an oil filtering mechanism (3) for improving the oil filtering effect; The energy-saving mechanism (2) comprises a heating tank (21), a vacuum pump (22), an exhaust pipe (23), a heat hood (24), a spiral heat-conducting pipe (25), an output pipe (26), a condensing device (27), an electric heating pipe (28) and an agitator (29); the heating tank (21) is fixed to the inner wall of the chassis (1); the vacuum pump (22) is fixed to the upper surface of the chassis (1); the exhaust pipe (23) is connected to the air inlet end of the vacuum pump (22); the heat hood (24) is fixed to the outer side of the heating tank (21); The spiral heat-conducting pipe (25) is fixed to the outer side of the heat-averaging hood (24); a connecting pipe (210) is connected between the output end of the vacuum pump (22) and the top end of the spiral heat-conducting pipe (25); one end of the output pipe (26) is connected to the bottom end of the spiral heat-conducting pipe (25), and the other end of the output pipe (26) is connected to the condensing device (27); the electric heating pipe (28) is fixed to the inner wall of the heating tank (21); and the stirring member (29) is arranged between the left and right inner walls of the heating tank (21) to stir the oil for uniform heating.

2. The energy-saving vacuum oil filter according to claim 1, characterized in that: A controller is fixed on the outside of the chassis (1); the bottom end of the air extraction pipe (23) penetrates and extends to the inner top wall of the heating tank (21); and the outside of the heating tank (21) is connected to an oil filling pipe.

3. The energy-saving vacuum oil filter according to claim 1, characterized in that: The stirring member (29) comprises a rotating shaft (291) rotatably connected between the left and right inner walls of the heating tank (21) via a bearing, a plurality of stirring plates (292) are fixed on the outer side of the rotating shaft (291), a driving motor (293) is fixed on the right side of the heating tank (21), and the outer side of the output shaft of the driving motor (293) is fixed to the rotating shaft (291).

4. The energy-saving vacuum oil filter according to claim 3 is characterized in that: The plurality of stirring plates (292) are evenly distributed along the length direction of the rotating shaft (291).

5. The energy-saving vacuum oil filter according to claim 1, characterized in that: The oil filtering mechanism (3) comprises a filter box (31), a coarse filter screen (32), a multi-layer fine filter element (33), an oil collecting frame (34), an oil pump (35), an oil extraction pipe (36), an oil delivery pipe (37) and an oil discharge pipe (38); the filter box (31) is fixed to the inner bottom wall of the chassis (1); the coarse filter screen (32) is fixed to the inner wall of the filter box (31); the multi-layer fine filter element (33) is fixed to the inner wall of the filter box (31) and is located on the coarse filter screen (3 2), the oil collecting frame (34) is fixed to the inner bottom wall of the filter box (31), the oil pump (35) is fixed to the upper surface of the filter box (31), the oil extraction pipe (36) is connected to the oil inlet end of the oil pump (35), one end of the oil delivery pipe (37) is connected to the oil outlet end of the oil pump (35), and the other end of the oil delivery pipe (37) passes through and extends to the inner top wall of the filter box (31), and the oil discharge pipe (38) is connected to the inner wall of the oil collecting frame (34).

6. The energy-saving vacuum oil filter according to claim 5, characterized in that: The bottom end of the oil extraction pipe (36) penetrates through and extends to the inner bottom wall of the heating tank (21), and a flow guide cover is fixed on the upper surface of the oil collecting frame (34).

7. The energy-saving vacuum oil filter according to claim 5, characterized in that: A control valve is fixed on the outer side of the oil drain pipe (38).

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