Online oil-water separation device for grinding fluid

Abstract

The utility model discloses a grinding fluid on-line oil-water separation device which comprises a liquid storage tank and a jet device, an oil removal area and a buffer area are arranged in the liquid storage tank, the oil removal area and the buffer area are separated through an overflow plate, the oil removal area is connected with a liquid outlet of the jet device, an oil-water separator for extracting oil is arranged above the oil removal area, and the oil-water separator is connected with the jet device. According to the device, bubbles are generated in the flowing grinding fluid through the jet device by utilizing the Venturi effect, floating of oil liquid is accelerated, impurity oil is discharged through the oil-water separator, finally, the grinding fluid without the impurity oil can be directly conveyed to filtering equipment through a water pump, online oil-water separation is achieved, and the oil-water separation efficiency is improved. And compared with oil-water separation in a static environment, the separation efficiency is higher.

Description

Technical Field

[0001] This utility model relates to the field of grinding fluid filtration devices, and more particularly to an online oil-water separation device for grinding fluid. Background Technology

[0002] Water-based grinding fluids, also known as water-soluble grinding fluids or coolants, are widely used in the metalworking industry due to their excellent cooling performance and certain lubrication properties. To ensure their long-term circulation, solid particles in the grinding fluid are typically removed through a filtration system. However, before filtration, degreasing treatment is necessary to remove mixed guideway oil. This impurity oil originates from the lubrication components of the machine tool guideway system and is incompatible with water-based grinding fluids, thus compromising the fluid's stability. While traditional oil-water separators perform well in static environments, their effectiveness is limited in online circulating filtration applications. To address this need, this application proposes a solution. Summary of the Invention

[0003] Purpose of the utility model: The purpose of this utility model is to provide an online oil-water separation device for grinding fluid, which is used for pre-oil removal treatment of grinding fluid, efficiently separating oil from grinding fluid, and improving the efficiency of subsequent grinding fluid treatment.

[0004] Technical solution: The present invention relates to an online oil-water separation device for grinding fluid, characterized in that: it includes a storage tank and an ejector; the storage tank is provided with an oil removal zone and a buffer zone; the oil removal zone and the buffer zone are separated by an overflow plate; the oil removal zone is connected to the outlet of the ejector; an oil-water separator for extracting oil is provided above the oil removal zone; and part of the conveyor belt of the oil-water separator is submerged in the oil removal zone.

[0005] By utilizing the Venturi effect, bubbles are generated in the flowing grinding fluid through an ejector, accelerating the rise of the oil. The oil is then extracted by an oil-water separator to remove impurities from the grinding fluid.

[0006] Preferably, the inlet of the jet injector is connected to the grinding fluid to be treated, and the outlet of the jet injector is provided with a vortex blade for cutting bubbles.

[0007] The blades rotate under the influence of the grinding fluid, further cutting the bubbles discharged from the jet injector into smaller microbubbles, which better drive the oil to float.

[0008] Preferably, the top of the jet injector is provided with an air inlet pipe, and the end of the air inlet pipe is provided with an adjusting ring that is threadedly connected to the end of the air inlet pipe. The adjusting ring is provided with a conical boss inside, and the conical boss extends into the end of the air inlet pipe to form a variable opening with the end of the air inlet pipe.

[0009] Airflow is introduced through the intake pipe. The regulating ring rotates, which in turn drives the conical boss inside the regulating ring to rotate. The rotating conical boss adjusts the size of the opening at the end of the intake pipe, thereby adjusting the airflow and controlling the size of the generated bubbles.

[0010] Preferably, a flow-damping plate is provided in the oil removal zone. The end face of the flow-damping plate faces the liquid inlet of the oil removal zone. The flow-damping plate has a stepped structure and is inclinedly installed in the oil removal zone. Both ends are fixedly connected to the inner walls of the two sides of the liquid storage tank.

[0011] The buffer plate slows down the flow rate of the grinding fluid, increases the residence time of the grinding fluid in the degreasing zone, and further forces the oil in the grinding fluid to rise quickly through the inclined replacement structure.

[0012] Preferably, an oil baffle is also provided in the oil removal zone. The lower end face of the oil baffle is lower than the upper end face of the overflow plate, and the upper end face of the oil baffle is higher than the upper end face of the overflow plate. The oil baffle has a folded structure, and part of the track of the oil-water separator is submerged in the oil removal zone at the fold of the oil baffle.

[0013] The oil baffle plate collects the floating oil within its angled structure, making it easier for the oil-water separator to remove the oil.

[0014] Preferably, the oil-water separator includes a power mechanism, a track, an oil drain port, and an oil collection box. The top of the track is provided with an oil drain port, and the bottom is immersed in the oil in the oil removal zone. An oil collection box is provided below the oil drain port. The power mechanism drives the track to move.

[0015] The power mechanism drives the tracks to move, extracting the floating oil to the drain port and then draining it into the oil collection box.

[0016] Preferably, a water pump is also included, which is located within the buffer area.

[0017] The water pump transports the oil-free grinding fluid to a subsequent precision filtration system for further filtration.

[0018] Beneficial effects: Compared with the prior art, this utility model has the following advantages:

[0019] This invention utilizes the Venturi effect to generate bubbles in the flowing grinding fluid through an ejector, accelerating the rise of the oil. Simultaneously, the adjusting ring and vanes further minimize the size of the bubbles, further promoting oil buoyancy and facilitating removal. Furthermore, the flow-damping plate slows the flow rate of the grinding fluid, making it easier for the oil to rise. The oil baffle then collects the rising oil, facilitating the removal of impurities by the oil-water separator. Finally, the grinding fluid, now free of impurities, can directly pass over the overflow plate and be pumped to the filtration equipment, achieving online oil-water separation with higher efficiency compared to static oil-water separation. Attached Figure Description

[0020] Figure 1 This is a perspective view of the present invention from one angle.

[0021] Figure 2 This is a perspective view of the present invention after the outer shell has been removed.

[0022] Figure 3 This is an enlarged view of the oil-water separator in this utility model.

[0023] Figure 4 This is a perspective view of the jet ejector in this utility model.

[0024] Figure 5 This is a cross-sectional view of the jet ejector in this utility model.

[0025] The components are: 1. Liquid storage tank; 2. Ejector; 3. Overflow plate; 4. Oil-water separator; 5. Flow buffer plate; 6. Oil baffle plate; 7. Water pump; 11. Oil removal zone; 12. Buffer zone; 21. Rotary vane; 22. Air inlet pipe; 23. Adjusting ring; 24. Conical boss; 41. Track; 42. Oil drain port; 43. Oil collection box. Detailed Implementation

[0026] The technical solution of this utility model will be further described below with reference to the accompanying drawings.

[0027] See appendix Figures 1-5 The figure shows an online oil-water separation device for grinding fluid, which includes a storage tank 1 and an ejector 2. The storage tank 1 is provided with an oil removal zone 11 and a buffer zone 12. The oil removal zone 11 and the buffer zone 12 are separated by an overflow plate 3. The oil removal zone 11 is connected to the outlet of the ejector 2. An oil-water separator 4 for extracting oil is provided above the oil removal zone 11. Part of the conveyor belt 41 of the oil-water separator 4 is submerged in the oil removal zone 11.

[0028] In this embodiment, the Venturi effect is utilized to generate bubbles in the flowing grinding fluid through the jet injector 2, which accelerates the rise of the oil. The oil is then extracted by the oil-water separator 4 to remove impurities from the grinding fluid.

[0029] In this embodiment, the inlet of the jet injector 2 is connected to the grinding fluid to be treated, and a blade 21 for cutting bubbles is provided on the outlet. The blade 21 rotates under the drive of the grinding fluid, further cutting the bubbles discharged from the jet injector 2 to form smaller microbubbles, which better drive the oil to float.

[0030] In this embodiment, an air inlet pipe 22 is provided at the top of the jet injector 2, and an adjusting ring 23 is provided at the end of the air inlet pipe 22, which is threadedly connected to the end of the air inlet pipe 22. A conical boss 24 is provided inside the adjusting ring 23. The conical boss 24 extends into the end of the air inlet pipe 22 and forms a variable opening with the end of the air inlet pipe 22. Airflow is introduced through the air inlet pipe 22. The adjusting ring 23 rotates, thereby driving the conical boss 24 inside the adjusting ring 23 to rotate. The rotating conical boss 24 adjusts the size of the opening at the end of the air inlet pipe 22, thereby adjusting the size of the airflow and thus controlling the size of the generated bubbles.

[0031] In this embodiment, a flow-retarding plate 5 is provided in the degreasing zone 11. The end face of the flow-retarding plate 5 is directly opposite the liquid inlet of the degreasing zone 11. The flow-retarding plate 5 has a stepped structure and is inclinedly arranged in the degreasing zone 11. Both ends are fixedly connected to the inner walls of the two sides of the liquid storage tank 1. The arrangement of the flow-retarding plate 5 can slow down the flow rate of the grinding fluid and increase the residence time of the grinding fluid in the degreasing zone 11. At the same time, through the inclined replacement structure, the oil in the grinding fluid is further forced to rise quickly.

[0032] In this embodiment, an oil baffle 6 is also provided in the oil removal zone 11. The lower end face of the oil baffle 6 is lower than the upper end face of the overflow plate 3, and the upper end face of the oil baffle 6 is higher than the upper end face of the overflow plate 3. The oil baffle 6 has a folded structure. Part of the track 41 of the oil-water separator 4 is immersed in the oil removal zone 11 at the fold of the oil baffle 6. The setting of the oil baffle 6 will collect the floating oil in the folded structure of the oil baffle 6, which makes it easier for the oil-water separator to take oil 4.

[0033] In this embodiment, the oil-water separator 4 includes a power mechanism, a track 41, an oil drain port 42, and an oil collection box 43. The top of the track 41 is provided with an oil drain port 42, and the bottom is immersed in the oil in the oil removal zone 11. The oil collection box 43 is provided below the oil drain port 42. The power mechanism drives the track 41 to move, extracting the floating oil to the oil drain port 42 and then discharging it into the oil collection box 43 for collection and unified treatment.

[0034] In this embodiment, a water pump 7 is also included. The water pump 7 is located in the buffer area 12. The water pump 7 transports the oil-removed grinding fluid to a subsequent precision filtration device for further filtration.

[0035] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. An on-line oil-water separation device for grinding fluid, characterized by: The device comprises a liquid storage tank and a jet device, the liquid storage tank is provided with an oil removal area and a buffer area, the oil removal area and the buffer area are separated by an overflow plate, the oil removal area is connected to the liquid outlet of the jet device, an oil-water separator for extracting oil is arranged above the oil removal area, and part of the track of the oil-water separator is immersed in the oil removal area.

2. The on-line oil-water separation device for grinding fluid according to claim 1, characterized in that: The liquid inlet of the jet device is communicated with the grinding fluid to be treated, and a rotary blade for cutting bubbles is arranged on the liquid outlet of the jet device.

3. The on-line oil-water separation device for grinding fluid according to claim 1, characterized in that: The top of the jet device is provided with an air inlet pipe, the end of the air inlet pipe is provided with an adjusting ring which is threadedly connected to the end of the air inlet pipe, the inside of the adjusting ring is provided with a tapered boss which extends into the end of the air inlet pipe and forms a variable opening with the end of the air inlet pipe.

4. The on-line oil-water separation device for grinding fluid according to claim 1, characterized in that: The oil removal area is provided with a flow slowing plate, the end surface of the flow slowing plate faces the liquid inlet of the oil removal area, the flow slowing plate has a stepped structure and is arranged obliquely in the oil removal area, and the two ends of the flow slowing plate are fixedly connected to the inner walls of the two sides of the liquid storage tank.

5. The on-line oil-water separation device for grinding fluid according to claim 1, characterized in that: The oil removal area is further provided with an oil baffle, the lower end surface of the oil baffle is lower than the upper end surface of the overflow plate, the upper end surface of the oil baffle is higher than the upper end surface of the overflow plate, the oil baffle has a corner structure, and part of the track of the oil-water separator is immersed in the oil removal area at the corner of the oil baffle.

6. The on-line oil-water separation device for grinding fluid according to claim 1, characterized in that: The oil-water separator comprises a power mechanism, a track, an oil discharge port and an oil collecting box, the top of the track is provided with the oil discharge port, the bottom of the track is immersed in the oil in the oil removal area, the oil collecting box is arranged below the oil discharge port, and the power mechanism drives the track to move.

7. The on-line oil-water separation device for grinding fluid according to claim 1, characterized in that: The device further comprises a water pump, and the water pump is arranged in the buffer area.

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