Mute lubricating oil station with multi-stage filtering device

Through multi-stage filtration devices and a fully enclosed soundproof design, the problems of low filtration efficiency and high noise in traditional lubricating oil stations have been solved, achieving efficient impurity separation and noise reduction, extending equipment life and improving production continuity.

CN223807010UActive Publication Date: 2026-01-16ZHEJIANG TESU ELECTROMECHANICAL EQUIP CO LTD
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Patent Information

Application Number
CN202520758855.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-01-16
Estimated Expiration
2035-04-22

AI Technical Summary

Technical Problem

Traditional lubrication oil stations have low filtration efficiency, high noise, inconvenient maintenance, and difficulty in effectively removing impurities of different particle sizes. Furthermore, single-stage filter elements are prone to clogging, affecting equipment lifespan and production continuity.

Method used

It adopts a multi-stage filtration device, including a centrifuge and two sets of filter tanks, which uses centrifugal force to separate large particles of impurities, automatically switches filter elements and backwashes, and combines a three-stage variable diameter buffer structure and a fully enclosed sound insulation system to reduce noise.

Benefits of technology

It achieves efficient impurity separation, extends equipment life, reduces operating noise, and improves maintenance convenience and production continuity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of lubricating oil stations, and discloses a mute lubricating oil station with a multistage filtering device, which comprises a base, one side of the upper surface of the base is fixedly connected with an oil tank, an energy storage tank and a slag discharge tank, the upper surface of the oil tank is fixedly connected with an oil pump, the input end of the oil pump is communicated with the upper surface of the oil tank, and the output end of the oil pump is communicated with the slag discharge tank. A filtering assembly is arranged on the other side of the upper surface of the base, and a sound absorption assembly is arranged outside the oil pump. The filtering assembly comprises a first oil conveying pipe, one end of the first oil conveying pipe communicates with the output end of the sound absorption assembly, and the other end of the first oil conveying pipe communicates with a centrifugal separator. According to the utility model, large-particle impurities are separated by using centrifugal force through the centrifugal separator and are directly discharged through the slag discharge pipe, fine impurities can be alternately filtered through the high-precision filter elements in the two groups of filter tanks, and when a single group of filter elements is blocked, the control system is automatically switched to a standby filter element group.
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Description

TECHNICAL FIELD

[0001] The utility model relates to lubricating oil station technical field especially lubricating oil station with multistage filter device. BACKGROUND

[0002] The core function of lubricating oil station as an important component of lubricating system in industrial equipment is to provide clean and stable lubricating oil for mechanical operation to reduce friction loss and prolong equipment life. However, there are still many technical bottlenecks in the actual application of traditional lubricating oil station, especially in the aspects of filtering efficiency, running noise and maintenance convenience, which need to be optimized.

[0003] Most of the existing lubricating oil stations adopt single-stage filtering design, relying only on single filter element or simple filtering structure, which is difficult to effectively remove impurities (such as metal chips, dust, etc.) of different particle sizes in oil, and large-particle impurities may block the filter element, while fine particles are easy to remain in the oil, resulting in reduced lubrication effect and even accelerated mechanical wear. In addition, the single-stage filtering system needs to be frequently stopped for replacement or manual cleaning after the filter element is blocked, which not only increases the maintenance cost, but also seriously affects the production continuity.

[0004] On the other hand, the noise pollution of traditional lubricating oil station is significant during operation. The turbulent noise and pressure pulse sound generated by oil pump operation and high-speed oil flow are easy to cause harm to the health of operators exposed to such environment for a long time, and it is also difficult to meet the requirements of modern industry for low-noise working environment. Although some devices try to reduce noise by simple soundproof cover, the effect is limited and may hinder heat dissipation and maintenance operation. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides a lubricating oil station with multistage filtering device, aiming at improving the problems of low filtering efficiency and large running noise in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a lubricating oil station with multistage filtering device, comprising a base, the upper surface of the base is fixedly connected with an oil tank, an energy storage tank and a residue discharge tank, the upper surface of the oil tank is fixedly connected with an oil pump, the input end of the oil pump is communicated with the upper surface of the oil tank, the other side of the upper surface of the base is provided with a filtering assembly, and the outside of the oil pump is provided with a sound absorption assembly.

[0007] The filtering assembly comprises a first oil conveying pipe, one end of the first oil conveying pipe is communicated with an output end of the sound absorbing assembly, the other end of the first oil conveying pipe is communicated with a centrifugal separator, a first residue discharging pipe is communicated between an output end of the centrifugal separator and a residue discharging tank, a second oil conveying pipe is arranged at a top end of the centrifugal separator, one end of the second oil conveying pipe is communicated with the top end of the centrifugal separator, the other end of the second oil conveying pipe is communicated with two filtering tanks, two control valves are communicated on an outer surface of the second oil conveying pipe and located between the second oil conveying pipe and input ends of the filtering tanks, filter elements are flange-connected in the filtering tanks, a collecting tank is fixedly connected to an upper surface of the base, a recovery pipe is communicated between the filtering tanks and the collecting tank, and a control valve is communicated on an outer surface of the recovery pipe.

[0008] As a further description of the above technical solution: the sound absorbing assembly comprises a conveying pipe, one end of the conveying pipe is communicated with an output end of the oil pump, the other end of the conveying pipe is communicated with a transition pipe, the conveying pipe is communicated with a buffer pipe through the transition pipe, the transition pipe is communicated with a perforated pipe through the buffer pipe, sound absorbing plates are fixedly connected in the perforated pipe in a staggered mode, holes are formed in an outer surface of the sound absorbing plates, and a tapered pipe is communicated between the perforated pipe and the first oil conveying pipe.

[0009] As a further description of the above technical solution: the energy storage tank is internally fixedly connected with a partition plate, and the partition plate divides the energy storage tank into two layers.

[0010] As a further description of the above technical solution: the buffer pipe has a pipe diameter that is at least three times a pipe diameter of the conveying pipe, and the perforated pipe has the same pipe diameter as the buffer pipe.

[0011] As a further description of the above technical solution: an upper surface of the oil tank is fixedly connected with a liquid level meter.

[0012] As a further description of the above technical solution: a spring type pressure relief device is communicated between the filtering tank and the energy storage tank, and a second residue discharging pipe is communicated on an upper end of an outer surface of the filtering tank.

[0013] As a further description of the above technical solution: support frames are fixedly connected to outer surfaces of the centrifugal separator and the filtering tank, and lower ends of the support frames are fixedly connected to an upper surface of the base.

[0014] As a further description of the above technical solution: outer surfaces of the first oil conveying pipe, the second oil conveying pipe, the recovery pipe, the first residue discharging pipe and the second residue discharging pipe are all wrapped with sound insulation cotton.

[0015] The utility model has the advantages of:

[0016] 1. The utility model discloses a centrifugal separator utilizes centrifugal force to separate large particle impurities and directly discharges through the slag discharge pipe, and the high-precision filter element in the two filter tanks can alternately filter fine impurities, when a single filter element is blocked, the control system automatically switches to the standby filter element group, and simultaneously triggers the reverse flushing of the filter element with the flushing liquid in the energy storage box, realizing the effective separation of impurities and the online regeneration of the filter element, and prolonging the service life of the equipment.

[0017] 2. The utility model discloses a three-stage variable-diameter buffer structure is arranged at the oil pump output end, the transition pipe is expanded, the three-pipe-diameter buffer pipe is reduced, the perforated pipe sound-absorbing board decomposes vortex, and the taper pipe stabilizes laminar flow, and the fluid noise generated by the oil pump is reduced, and at the same time, all oil pipelines are wrapped with sound insulation cotton, forming a fully-closed sound insulation system, and effectively improving the industrial workshop operation environment. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 A front view of the mute lubricating oil station with multistage filtering device is provided for the utility model;

[0019] Fig. 2 A side view of the mute lubricating oil station with multistage filtering device is provided for the utility model;

[0020] Fig. 3 A schematic view of the sound-absorbing assembly in the mute lubricating oil station with multistage filtering device is provided for the utility model.

[0021] LEGEND:

[0022] 1, base; 2, oil tank; 3, energy storage box; 4, slag discharge tank; 5, oil pump; 6, filtering assembly; 601, oil pipe one; 602, centrifugal separator; 603, oil pipe two; 604, filter tank; 605, control valve one; 606, filter element; 607, collection tank; 608, recovery pipe; 609, control valve two; 7, sound-absorbing assembly; 701, conveying pipe; 702, transition pipe; 703, buffer pipe; 704, perforated pipe; 705, sound-absorbing board; 706, taper pipe; 8, slag discharge pipe one; 9, liquid level meter; 10, spring type pressure relief device; 11, support frame; 12, sound insulation cotton; 13, partition; 14, slag discharge pipe two. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Refer toFigs. 1-3 The utility model provides an embodiment: a kind of mute lubricating oil station with multistage filtering device, including pedestal 1, the upper surface side of pedestal 1 is fixedly connected with oil tank 2, energy storage tank 3 and deslagging tank 4, the upper surface of oil tank 2 is fixedly connected with oil pump 5, the input end of oil pump 5 is communicated in the upper surface of oil tank 2, the upper surface other side of pedestal 1 is provided with filter assembly 6, and the outside of oil pump 5 is provided with sound absorption assembly 7;

[0025] Filter assembly 6 includes oil pipe one 601, and one end of oil pipe one 601 is communicated in the output end of sound absorption assembly 7, and the other end of oil pipe one 601 is communicated with centrifugal separator 602, and the output end of centrifugal separator 602 is communicated with deslagging pipe one 8 between deslagging tank 4, and the top end of centrifugal separator 602 is provided with oil pipe two 603, and one end of oil pipe two 603 is communicated in the top end of centrifugal separator 602, and the other end of oil pipe two 603 is communicated with two groups of filter tank 604, and the outer surface of oil pipe two 603 is communicated with two control valves one 605, and control valve one 605 is located between oil pipe two 603 and filter tank 604 input end, and filter tank 604 is internally flange connected with filter core 606, and the upper surface of pedestal 1 is fixedly connected with collection tank 607, and filter tank 604 is communicated with recovery pipe 608 between collection tank 607, and the outer surface of recovery pipe 608 is communicated with control valve two 609.

[0026] Energy storage tank 3 is internally fixedly connected with baffle 13, and baffle 13 divides energy storage tank 3 into two layers.

[0027] The upper surface of oil tank 2 is fixedly connected with liquid level meter 9.

[0028] Spring type pressure relief device 10 is communicated between filter tank 604 and energy storage tank 3, and deslagging pipe two 14 is communicated on the outer surface upper end of filter tank 604.

[0029] Centrifugal separator 602 and the outer surface of filter tank 604 are fixedly connected with support frame 11, and the lower end of support frame 11 is fixedly connected on the upper surface of pedestal 1.

[0030] Specifically, the oil tank 2 and the collection tank 607 are used to store the oil before filtration and the oil before filtration respectively; the upper and lower layers of the energy storage tank 3 are used to store the impurities and the flushing liquid of the filter element 606 respectively; the residue tank 4 is used to store the large particle impurities; the oil in the oil tank 2 is sent into the centrifugal separator 602 through the oil pump 5, and the liquid level meter 9 outside the oil tank 2 monitors the oil level of the oil tank 2 in real time; the centrifugal separator 602 uses centrifugal force to send the large particle impurities therein to the residue tank 4, and the preliminarily purified oil is distributed into any one of the filter tanks 604 through the control valve one 605 of the oil delivery pipe two 603, and the support frame 11 outside the centrifugal separator 602 and the filter tank 604 provides necessary support for them; the filter element 606 inside the filter tank 604 further filters the fine impurities, and the filtered oil is stored in the collection tank 607 through the recovery pipe 608; when any one of the filter elements 606 is blocked, the corresponding control valve one 605 and control valve two 609 are closed, and the pressure in the corresponding filter tank 604 decreases; since the baffle 13 separates the energy storage tank 3 into a flushing liquid area and an impurity storage area, as the pressure in the filter tank 604 decreases, the flushing liquid in the lower layer of the energy storage tank 3 reversely flushes the filter element 606 through the spring type pressure relief device 10, and the impurities therein are discharged into the upper layer of the energy storage tank 3 through the residue discharge pipe two 14.

[0031] The sound absorption assembly 7 includes a delivery pipe 701, one end of the delivery pipe 701 is communicated with the output end of the oil pump 5, the other end of the delivery pipe 701 is communicated with a transition pipe 702, the delivery pipe 701 is communicated with a buffer pipe 703 through the transition pipe 702, the transition pipe 702 is communicated with a perforated pipe 704 through the buffer pipe 703, the perforated pipe 704 is fixedly connected with sound-absorbing plates 705 staggered inside, the outer surface of the sound-absorbing plates 705 is provided with holes, and the perforated pipe 704 is communicated with a tapered pipe 706 between the oil delivery pipe one 601.

[0032] The pipe diameter of the buffer pipe 703 is at least three times the pipe diameter of the delivery pipe 701, and the pipe diameter of the perforated pipe 704 is the same as that of the buffer pipe 703.

[0033] The outer surfaces of the oil delivery pipe one 601, the oil delivery pipe two 603, the recovery pipe 608, the residue discharge pipe one 8 and the residue discharge pipe two 14 are all wrapped with sound insulation cotton 12.

[0034] Specifically, the oil pump 5 extracts lubricating oil from the oil tank 2, the oil enters the sound absorption assembly 7 through the delivery pipe 701, expands and buffers through the transition pipe 702, enters the buffer pipe 703 with three times the pipe diameter, uses the buffer pipe 703 to slow down the flow rate and disperse the pressure pulse, uses the sound-absorbing plates 705 arranged staggered inside the perforated pipe 704 to decompose large eddies into small eddies to reduce turbulent noise, and finally uses the tapered pipe 706 to gradually reduce the diameter to the original pipe diameter to stabilize the laminar flow state, in addition, all oil delivery pipes are wrapped with sound insulation cotton 12 to further reduce the operating noise, achieving the effect of multi-stage noise reduction.

[0035] Working principle: in use, the oil pump 5 from the oil tank 2 oil, oil through the oil pump 5 output into the sound absorbing assembly 7, in the sound absorbing assembly 7, oil in turn through the delivery pipe 701, transition pipe 702, buffer pipe 703 and perforated pipe 704, then the oil through the tapered tube 706 into the oil pipe one 601, and then into the filter assembly 6; oil in the filter assembly 6 first through centrifugal separator 602, preliminary separation of large particles of impurities, impurities by the slag pipe one 8 into the slag tank 4, the oil after preliminary filtration by the oil pipe two 603 into the filter tank 604, by controlling valve one 605 can control the oil into different filter tank 604, filter cartridge 606 in the filter tank 604 further filter the oil, filtered oil through the recovery pipe 608 and collected into the collection tank 607 storage for standby; long time filtering, close single control valve one 605 and the corresponding control valve two 609, at this time connected with the filter tank 604 pressure decreases, then the energy storage tank 3 lower layer of flushing liquid through the spring type pressure relief device 10 reverse flushing filter tank 604, the impurities on the filter cartridge 606 inside 606 by the slag pipe two 14 into the upper layer of the energy storage tank 3.

[0036] Finally, it should be noted that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the foregoing detailed description of the present application has been made with reference to the foregoing embodiments, for the skilled person in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A silent lubricating oil station with a multi-stage filtration device, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected with an oil tank (2), an energy storage tank (3) and a residue discharge tank (4), the upper surface of the oil tank (2) is fixedly connected with an oil pump (5), the input end of the oil pump (5) is communicated with the upper surface of the oil tank (2), the upper surface of the base (1) is provided with a filter assembly (6), and the outside of the oil pump (5) is provided with a sound absorption assembly (7). The filter assembly (6) comprises an oil conveying pipe I (601), one end of the oil conveying pipe I (601) is communicated with the output end of the sound absorption assembly (7), the other end of the oil conveying pipe I (601) is communicated with a centrifugal separator (602), a residue discharge pipe I (8) is communicated between the output end of the centrifugal separator (602) and the residue discharge tank (4), the top end of the centrifugal separator (602) is provided with an oil conveying pipe II (603), one end of the oil conveying pipe II (603) is communicated with the top end of the centrifugal separator (602), the other end of the oil conveying pipe II (603) is communicated with two groups of filter tanks (604), the outer surface of the oil conveying pipe II (603) is communicated with two control valves I (605), the control valves I (605) are located between the oil conveying pipe II (603) and the input ends of the filter tanks (604), the filter tanks (604) are flange-connected with filter elements (606) inside, the upper surface of the base (1) is fixedly connected with a collection tank (607), a recovery pipe (608) is communicated between the filter tanks (604) and the collection tank (607), and the outer surface of the recovery pipe (608) is communicated with a control valve II (609).

2. A silent lubricating oil station with a multi-stage filtration device according to claim 1, characterized in that: The sound absorption assembly (7) comprises a conveying pipe (701), one end of the conveying pipe (701) is communicated with the output end of the oil pump (5), the other end of the conveying pipe (701) is communicated with a transition pipe (702), the conveying pipe (701) is communicated with a buffer pipe (703) through the transition pipe (702), the transition pipe (702) is communicated with a perforated pipe (704) through the buffer pipe (703), the inside of the perforated pipe (704) is fixedly connected with sound-absorbing plates (705) staggeredly, the outer surface of the sound-absorbing plates (705) is provided with holes, and the perforated pipe (704) is communicated with a taper pipe (706) between the conveying pipe (701).

3. A silent lubricating oil station with a multi-stage filtration device according to claim 1, characterized in that: The inside of the energy storage tank (3) is fixedly connected with a partition plate (13), and the energy storage tank (3) is divided into two layers by the partition plate (13).

4. A silent lubricating oil station with a multi-stage filtration device according to claim 2, characterized in that: The pipe diameter of the buffer pipe (703) is at least three times the pipe diameter of the conveying pipe (701), and the pipe diameter of the perforated pipe (704) is the same as that of the buffer pipe (703).

5. A silent lubricating oil station with a multi-stage filtration device according to claim 1, characterized in that: The upper surface of the oil tank (2) is fixedly connected with a liquid level meter (9).

6. A silent lubricating oil station with a multi-stage filtration device according to claim 3, characterized in that: A spring type pressure relief device (10) is communicated between the filter tanks (604) and the energy storage tank (3), and a residue discharge pipe II (14) is communicated on the outer surface of the upper end of the filter tanks (604).

7. A silent lubricating oil station with multi-stage filtration device according to claim 1, characterized in that: The centrifugal separator (602) and the outer surface of the filter tank (604) are fixedly connected with a support frame (11), and the lower end of the support frame (11) is fixedly connected to the upper surface of the base (1).

8. A silent lubricating oil station with a multi-stage filtration device according to claim 6, characterized in that: The outer surfaces of the oil conveying pipe one (601), the oil conveying pipe two (603), the recovery pipe (608), the first slag discharging pipe (8) and the second slag discharging pipe (14) are all wrapped with sound insulation cotton (12).