A waste cutting fluid precipitation device with floating oil separation function

Abstract

The present application relates to a kind of waste cutting fluid precipitation equipment, especially to a kind of waste cutting fluid precipitation equipment with floating oil separation function.The present application aims to provide a kind of waste cutting fluid precipitation equipment with floating oil separation function, which is time-saving and labor-saving and high efficiency.The present application provides a kind of waste cutting fluid precipitation equipment with floating oil separation function, including precipitation tank, observation window and drain valve, etc., precipitation tank is used for waste cutting fluid to deposit, the right side of precipitation tank is connected with observation window, and the lower part of precipitation tank is connected with drain valve.The water pump suction pipe of the present application is placed in waste cutting fluid pool, by water pump opening, waste cutting fluid can be pumped into oil removal frame, then floating oil flows out through the gap on the left side of oil removal frame, while waste cutting fluid flows out through the gap on the right side of oil removal frame, so that people can separate floating oil contained in cutting fluid wastewater, which is not only time-saving and labor-saving, but also high efficiency.

Description

Technical Field

[0001] This invention relates to a waste cutting fluid sedimentation device, and more particularly to a waste cutting fluid sedimentation device with a floating oil separation function. Background Technology

[0002] In modern metal processing, cutting fluid is an industrial liquid used to improve cutting performance. Cutting fluid has excellent cooling, lubrication, rust prevention, corrosion prevention and cleaning functions and is widely used. However, because waste cutting fluid contains harmful and toxic substances, direct discharge will cause very serious environmental pollution. Therefore, cutting fluid wastewater must be strictly treated in accordance with national discharge standards.

[0003] However, when treating cutting fluid wastewater, the presence of a large amount of floating oil makes separating this oil not only time-consuming and labor-intensive, but also cumbersome, resulting in a lengthy and inefficient process.

[0004] Therefore, to address the aforementioned shortcomings, a waste cutting fluid sedimentation device with floating oil separation function is provided, which is time-saving, labor-saving, and highly efficient. Summary of the Invention

[0005] To overcome the shortcomings of current methods for separating floating oil in cutting fluid wastewater, which are time-consuming, labor-intensive, and inefficient, the purpose of this invention is to provide a time-saving, labor-saving, and highly efficient waste cutting fluid sedimentation device with floating oil separation function.

[0006] This invention is achieved through the following technical means:

[0007] A waste cutting fluid sedimentation device with floating oil separation function includes a sedimentation tank, an observation window, a drain valve, and a stirring mechanism. The sedimentation tank is used for sedimentation of waste cutting fluid. An observation window is connected to the right side of the sedimentation tank, and a drain valve is connected to the lower part of the sedimentation tank. The sedimentation tank is equipped with a stirring mechanism for stirring the waste cutting fluid, and also includes an oil removal mechanism. An oil removal mechanism is provided on the left side of the sedimentation tank for separating the waste cutting fluid from the floating oil.

[0008] More preferably, the stirring mechanism includes a control panel, a first motor, and a stirrer. The control panel is connected to the sedimentation tank, and the first motor is connected to the middle of the left side of the sedimentation tank. The first motor is electrically connected to the control panel, and the stirrer is rotatably connected inside the sedimentation tank. The left side of the stirrer is connected to the output shaft of the first motor.

[0009] More preferably, the oil removal mechanism comprises an oil removal frame, a transverse partition, a baffle, a water pump and a filter cover, the oil removal frame is connected to the left side of the sediment tank, the upper part of the oil removal frame is provided with notches on both sides, one of the notches is located above the inlet of the sediment tank, the side of the oil removal frame close to the sediment tank is connected with a transverse partition, the transverse partition is slidably connected with a baffle, the baffle blocks the middle part of the transverse partition, the oil removal frame is connected with a water pump, the water pump is electrically connected with the control panel, and the water pump is connected with a filter cover.

[0010] More preferably, the oil removal mechanism comprises an oil removal frame, a transverse partition, a baffle, a water pump and a filter cover, the oil removal frame is connected to the left side of the sediment tank, the upper part of the oil removal frame is provided with notches on both sides, one of the notches is located above the inlet of the sediment tank, the side of the oil removal frame close to the sediment tank is connected with a transverse partition, the transverse partition is slidably connected with a baffle, the baffle blocks the middle part of the transverse partition, the oil removal frame is connected with a water pump, the water pump is electrically connected with the control panel, and the water pump is connected with a filter cover.

[0011] More preferably, the oil removal mechanism comprises an oil removal frame, a transverse partition, a baffle, a water pump and a filter cover, the oil removal frame is connected to the left side of the sediment tank, the upper part of the oil removal frame is provided with notches on both sides, one of the notches is located above the inlet of the sediment tank, the side of the oil removal frame close to the sediment tank is connected with a transverse partition, the transverse partition is slidably connected with a baffle, the baffle blocks the middle part of the transverse partition, the oil removal frame is connected with a water pump, the water pump is electrically connected with the control panel, and the water pump is connected with a filter cover.

[0012] More preferably, the oil removal mechanism comprises an oil removal frame, a transverse partition, a baffle, a water pump and a filter cover, the oil removal frame is connected to the left side of the sediment tank, the upper part of the oil removal frame is provided with notches on both sides, one of the notches is located above the inlet of the sediment tank, the side of the oil removal frame close to the sediment tank is connected with a transverse partition, the transverse partition is slidably connected with a baffle, the baffle blocks the middle part of the transverse partition, the oil removal frame is connected with a water pump, the water pump is electrically connected with the control panel, and the water pump is connected with a filter cover.

[0013] More preferably, the oil removal mechanism comprises an oil removal frame, a transverse partition, a baffle, a water pump and a filter cover, the oil removal frame is connected to the left side of the sediment tank, the upper part of the oil removal frame is provided with notches on both sides, one of the notches is located above the inlet of the sediment tank, the side of the oil removal frame close to the sediment tank is connected with a transverse partition, the transverse partition is slidably connected with a baffle, the baffle blocks the middle part of the transverse partition, the oil removal frame is connected with a water pump, the water pump is electrically connected with the control panel, and the water pump is connected with a filter cover.

[0014] More preferably, the observation window is made of transparent material.

[0015] More preferably, the material of the float is plastic.

[0016] More preferably, a flow-through groove is arranged in the middle of the lower side of the transverse partition plate, a flexible filter screen is connected to the front side of the baffle plate away from the flow-through groove, the side of the flexible filter screen away from the baffle plate is free, a counterweight column is connected to the side of the flexible filter screen away from the baffle plate and horizontally arranged below the float, and the counterweight column is arranged on the inner bottom surface of the oil removal frame.

[0017] More preferably, the flexible filter screen and the counterweight column are rotationally connected.

[0018] More preferably, the counterweight column is provided with a magnetic column in the core.

[0019] The application provides a waste cutting fluid precipitation device with a floating oil separation function.

[0020] 1. The water pump suction pipe is arranged in the waste cutting fluid pool, and the waste cutting fluid can be pumped into the oil removal frame through the water pump, then the floating oil flows out through the gap on the left side of the oil removal frame, and the waste cutting fluid flows out through the gap on the right side of the oil removal frame, so that the floating oil contained in the cutting fluid wastewater can be separated conveniently, which saves time and effort and has high efficiency.

[0021] 2. The waste cutting fluid can be stirred conveniently under the action of the stirrer and the precipitation tank, and the stirred waste cutting fluid can be precipitated conveniently.

[0022] 3. The uppermost floating oil can be intermittently moved to the left through the opening of the second motor, so that the uppermost floating oil is moved to the left by artificial periodic scraping, and manpower is saved.

[0023] 4. The demulsifier and pam polyacrylamide are respectively added into the barrel, the opening and closing of the valve can be controlled through the opening of the air cylinder, so that the demulsifier and pam polyacrylamide can be added conveniently. DETAILED DESCRIPTION

[0024] Figure 1 It is a first perspective view of the structure of the application.

[0025] Figure 2 It is a second perspective view of the structure of the application.

[0026] Figure 3 It is a perspective view of the stirring mechanism of the application.

[0027] Figure 4 It is a sectional view of the oil removal mechanism of the application.

[0028] Figure 5 It is a sectional view of the stirring mechanism of the application.

[0029] Figure 6 The figure is a perspective view of the feeding mechanism of the present application.

[0030] Figure 7 The figure is a perspective view of the feeding mechanism of the present application.

[0031] Figure 8 The figure is a perspective view of the detection mechanism of the present application.

[0032] Figure 9 The figure is a perspective view of the floating mechanism of the present application.

[0033] Figure 10 The figure is a perspective view of the filter screen in flat state of the present application.

[0034] Figure 11 The figure is a perspective view of the filter screen in curved state of the present application.

[0035] Figure 12 The figure is a perspective view of the filter screen and the counterweight column of the present application.

[0036] Figure 13 The figure is a perspective view of the counterweight column of the present application.

[0037] The labels of the components in the figures are as follows: 1, sedimentation tank, 2, observation window, 3, drain valve, 4, stirring mechanism, 41, control panel, 42, first motor, 43, stirrer, 5, oil removal mechanism, 51, oil removal frame, 52, transverse partition, 53, baffle, 54, water pump, 55, filter cover, 6, pushing mechanism, 61, fixed plate, 62, second motor, 63, conveyor belt, 64, pushing plate, 65, rotating shaft, 7, feeding mechanism, 71, barrel, 72, valve, 73, air cylinder, 74, guide rail, 75, cover, 8, detection mechanism, 81, PH value detector, 82, electric wire, 83, detection probe, 9, floating mechanism, 91, bolt, 92, float. DETAILED DESCRIPTION

[0038] The present application is further illustrated in conjunction with the accompanying drawings of the specification, and the embodiments of the present application are given in conjunction with the accompanying drawings of the specification.

[0039] Example 1

[0040] Reference Figures 1-4As shown, a kind of waste cutting fluid precipitation equipment with floating oil separation function, including precipitation tank 1, observation window 2, drain valve 3, stirring mechanism 4 and oil removal mechanism 5, precipitation tank 1 top left side is equipped with import, under the action of precipitation tank 1, it can facilitate waste cutting fluid to deposit, precipitation tank 1 right side middle part is connected with observation window 2, observation window 2 is transparent material, precipitation tank 1 lower right side is connected with drain valve 3, precipitation tank 1 is equipped with stirring mechanism 4, and precipitation tank 1 left side is equipped with oil removal mechanism 5.

[0041] Referring to Figure 3 As shown, stirring mechanism 4 includes control panel 41, first motor 42 and stirrer 43, and the control panel 41 is connected to the right side of the upper side of the front side of the precipitation tank 1, the first motor 42 is bolted to the left side of the middle of the precipitation tank 1, and the first motor 42 is electrically connected to the control panel 41, and the stirrer 43 is rotatably connected inside the precipitation tank 1, which can stir the waste cutting fluid by rotating the stirrer 43, and the left side of the middle of the stirrer 43 is connected to the output shaft of the first motor 42.

[0042] Referring to Figure 4 As shown, oil removal mechanism 5 includes oil removal frame 51, transverse partition 52, baffle 53, water pump 54 and filter cover 55, and the oil removal frame 51 is connected to the left side of the precipitation tank 1, and the left and right sides of the upper side of the oil removal frame 51 are both provided with a notch in the middle, and the notch on the right side is located above the import of the precipitation tank 1, the transverse partition 52 is connected to the right side of the upper side of the oil removal frame 51, the baffle 53 is slidably connected to the middle of the transverse partition 52, under the action of the oil removal frame 51, the transverse partition 52 and the baffle 53, waste cutting fluid and floating oil can be separated, the baffle 53 blocks the middle of the transverse partition 52, the water pump 54 is bolted to the left side of the upper side of the oil removal frame 51, the water pump 54 is electrically connected to the control panel 41, and the filter cover 55 is connected to the water suction pipe of the water pump 54.

[0043] When people need to use the waste cutting fluid precipitation equipment with the floating oil separation function, first put the container directly below the gap on the left side of the oil removal frame 51, then put the water pump 54 suction pipe in the waste cutting fluid pool, and then control the water pump 54 to start through the control panel 41, so that the water pump 54 can pump the waste cutting fluid into the oil removal frame 51, and the filter cover 55 can filter the pumped waste cutting fluid during the process. When the waste cutting fluid is pumped into the oil removal frame 51, the floating oil in the waste cutting fluid will float on the uppermost layer. Then pull the baffle 53 to move upwards, so that the baffle 53 no longer blocks the middle part of the transverse partition plate 52, so that the waste cutting fluid in the oil removal frame 51 flows into the precipitation tank 1 through the middle part of the transverse partition plate 52 and the gap on the right side of the oil removal frame 51. After the floating oil on the uppermost layer is accumulated, people can periodically scrape the floating oil on the uppermost layer to the left, so that the floating oil on the uppermost layer falls downward through the gap on the left side of the oil removal frame 51 into the container. When the waste cutting fluid in the waste cutting fluid pool is completely pumped, control the water pump 54 to stop through the control panel 41, then scrape all the floating oil on the uppermost layer to the left, then put all the waste cutting fluid in the oil removal frame 51 into the precipitation tank 1, then loosen the baffle 53, and under the action of gravity, the baffle 53 moves downward to reset, so that the baffle 53 blocks the middle part of the transverse partition plate 52 again. Then take away the container, then add a proper amount of demulsifier and pam polyacrylamide into the precipitation tank 1 respectively, then control the first motor 42 to start through the control panel 41, so that the output shaft of the first motor 42 drives the stirrer 43 to rotate, so that the stirrer 43 stirs the waste cutting fluid, demulsifier and pam polyacrylamide in the precipitation tank 1. When the waste cutting fluid, demulsifier and pam polyacrylamide are completely stirred, control the first motor 42 to stop through the control panel 41, so that the stirrer 43 stops rotating, then wait for a period of time, so that the stirred waste cutting fluid is precipitated in the precipitation tank 1. During this period, people can watch the situation in the precipitation tank 1 through the observation window 2. When the stirred waste cutting fluid is completely precipitated in the precipitation tank 1, open the switch of the drain valve 3, so that the waste cutting fluid which is completely precipitated in the precipitation tank 1 is discharged outward, so that the waste cutting fluid which is completely precipitated can enter the next process. When the waste cutting fluid which is completely precipitated in the precipitation tank 1 is completely discharged, close the switch of the drain valve 3.

[0044] Example 2

[0045] Referring to Figure 1 、 Figure 2 and Figure 5As shown, on the basis of embodiment 1, also includes a toggle mechanism 6, the toggle mechanism 6 includes a fixed plate 61, the second motor 62, the conveyor belt 63, the toggle plate 64 and the shaft 65, the top of the oil removal frame 51 is connected with the fixed plate 61 on both sides, the front side of the fixed plate 61 is connected with the second motor 62 on the right side, the second motor 62 is connected with the control panel 41 through electricity, the left and right sides between the two fixed plates 61 are rotatably connected with the shaft 65, the front side of the right shaft 65 is connected with the output shaft of the second motor 62, the conveyor belt 63 is wound between the two shafts 65 through the transmission wheel, two toggle plates 64 are connected on the conveyor belt 63, the uppermost layer of floating oil can be automatically moved to the left by rotating the toggle plate 64.

[0046] When people need to regularly scrape the uppermost layer of floating oil to move to the left, the second motor 62 can be started by controlling the control panel 41, so that the output shaft of the second motor 62 drives the right shaft 65 to rotate, thereby driving the conveyor belt 63, the toggle plate 64 and the left shaft 65 to rotate, when the toggle plate 64 contacts the uppermost layer of floating oil, the toggle plate 64 will move the uppermost layer of floating oil to the left, so that the toggle plate 64 intermittently moves the uppermost layer of floating oil to the left, thereby replacing the artificial regular scraping of the uppermost layer of floating oil to the left, when people do not need to scrape the uppermost layer of floating oil to the left, the second motor 62 can be turned off by controlling the control panel 41.

[0047] Referring to Figure 1 , Figure 2 , Figure 6 and Figure 7 As shown, also includes a discharging mechanism 7, the discharging mechanism 7 includes a barrel 71, a valve 72, a cylinder 73, a guide rail 74 and a cover 75, the left and right sides of the top of the sediment tank 1 are connected with the barrel 71, the demulsifier and pam polyacrylamide are respectively added into the barrel 71, which can facilitate people to add demulsifier and pam polyacrylamide, the lower part of the two barrels 71 is connected with the valve 72, the top of the sediment tank 1 is connected with the cylinder 73 on the left and right sides, the cylinder 73 is located on the right rear side of the corresponding barrel 71, the two cylinders 73 are connected with the control panel 41 through electricity, the extension rods of the two cylinders 73 are connected with the guide rails 74, the two guide rails 74 are in contact with the switches of the corresponding valves 72, and the covers 75 are placed on the top of the two barrels 71.

[0048] When people need to use the waste cutting fluid precipitation equipment with the floating oil separation function, the cover 75 can be removed, and then the demulsifier and pam polyacrylamide are added into the barrel 71 respectively, and then the cover 75 is put back to the original place. When people need to add a proper amount of demulsifier and pam polyacrylamide into the precipitation tank 1, the control panel 41 can be controlled to open the air cylinder 73, the telescopic rod of the control panel 41 is elongated, so as to drive the guide rail 74 to move forward, so that the guide rail 74 extrudes the switch of the valve 72 to rotate and open, so that the demulsifier or pam polyacrylamide in the barrel 71 falls into the precipitation tank 1. When a proper amount of demulsifier or pam polyacrylamide falls into the precipitation tank 1, the telescopic rod of the control panel 41 is shortened, so as to drive the guide rail 74 to move backward and reset, so that the guide rail 74 extrudes the switch of the valve 72 to reverse and close, and then the control panel 41 can be controlled to close the air cylinder 73, so as to facilitate people to add the demulsifier and pam polyacrylamide.

[0049] Referring to Figure 1 and Figure 8 As shown in the figure, it also includes a detection mechanism 8, the detection mechanism 8 includes a PH value detector 81, an electric wire 82 and a detection probe 83, the PH value detector 81 is bolted on the right side of the upper front side of the precipitation tank 1, the PH value detector 81 is electrically connected with the control panel 41, the bottom of the PH value detector 81 is connected with the electric wire 82, and the detection probe 83 is connected to the middle of the right lower part of the precipitation tank 1. Under the action of the detection probe 83, the PH value of the waste cutting fluid can be detected, and the electric wire 82 is connected with the detection probe 83.

[0050] When people add the demulsifier and pam polyacrylamide, the control panel 41 can be controlled to open the PH value detector 81, so that the detection probe 83 detects the PH value of the waste cutting fluid in the precipitation tank 1. The detected data will be displayed on the PH value detector 81 through the electric wire 82, so that people can know the PH value of the waste cutting fluid in the precipitation tank 1 by watching the PH value detector 81, thereby facilitating people to control the amount of added demulsifier and pam polyacrylamide. When the PH value of the waste cutting fluid in the precipitation tank 1 meets the standard, stop adding the demulsifier and pam polyacrylamide. When the first motor 42 is closed through the control panel 41, the PH value detector 81 can be closed through the control panel 41.

[0051] Referring to Figure 2 and Figure 9 As shown in the figure, it also includes a floating mechanism 9, the floating mechanism 9 includes a bolt 91 and a float 92, the front and back of the upper left side of the baffle 53 are both threadedly connected with the bolt 91, and the bottom between the two bolts 91 is rotatably connected with the float 92. The material of the float 92 is plastic. The float 92 is driven by the waste cutting fluid to float up, which can drive the baffle 53 to move upward.

[0052] When people need to use the waste cutting fluid sedimentation equipment with floating oil separation function, they can turn the bolt 91 in both directions to move the bolt 91 and the float 92 up and down, thereby adjusting the height of the float 92. After adjustment, the bolt 91 can be loosened. When the waste cutting fluid in the oil removal frame 51 comes into contact with the float 92, the waste cutting fluid in the oil removal frame 51 will drive the float 92 to float up, thereby driving the baffle 53 to move upward, thus replacing manual pulling of the baffle 53 to move upward. When the waste cutting fluid in the oil removal frame 51 separates from the float 92, under the action of gravity, the float 92 and the baffle 53 move downward to reset.

[0053] like Figures 10-13 As shown, a flow channel 520 is provided in the middle of the lower side of the partition 52. The length of the flow channel 520 in the length direction of the partition 52 is shorter than the length of the baffle 53, so that the baffle 53 can close the flow channel 520. A flexible filter screen 530 is connected to the front side of the baffle 53 away from the flow channel 520. The flexible filter screen 530 is a metal mesh. The side of the flexible filter screen 530 away from the baffle 53 is free. A counterweight column 531 is connected to the side of the flexible filter screen 530 away from the baffle 53 and is placed horizontally below the float 92. The length of the counterweight column 531 is longer than the length of the flow channel 520 in the length direction of the partition 52, so as to prevent the counterweight column 531 from entering the flow channel 520. The counterweight column 531 is placed on the inner bottom surface of the degreasing frame 51.

[0054] As the baffle 53 moves upward, the waste cutting fluid in the degreasing frame 51 flows from left to right. Since the waste cutting fluid contains certain impurities, entering the sedimentation tank 1 will prolong the processing time of the sedimentation tank. When the waste cutting fluid flows through the flow channel 520, the flexible filter screen 530 can filter the impurities. At the same time, due to the further configuration of the counterweight column 531, the waste cutting fluid can be filtered throughout the entire process before flowing into the flow channel 520. Preferably, in this embodiment, the flexible filter screen 530 has gaps between its two ends along the width direction of the degreasing frame 51 and the corresponding inner wall of the degreasing frame 51 so that all the waste cutting fluid can be filtered.

[0055] Secondly, the design of the flexible filter screen 530 can prevent impurities from remaining on the inner bottom surface of the degreasing frame 51 opposite the baffle 53, thus affecting the sealing effect of the baffle 53 during secondary descent. For example, when the degreasing frame 51 is unloaded, the waste cutting fluid that first enters the degreasing frame 51 naturally carries floating oil. Since there is a gap between the lower surface of the baffle 53 and the inner bottom surface of the degreasing frame 51, the floating oil directly enters the right side cavity. Therefore, this design of the present application can prevent the occurrence of the above phenomenon.

[0056] The designed counterweight column 531 can change the shape of the flexible filter screen 530 to play a role of full-range filtering.

[0057] In order to make the counterweight column 531 move freely and prolong the service life of the flexible filter screen 530, the flexible filter screen 530 and the counterweight column 531 are rotationally connected. For example, rotational supports are arranged at the axial two ends of the counterweight column 531, the rotational supports are connected to the counterweight column 531 through bearings to realize free rolling of the counterweight column 531, the flexible filter screen 530 is connected to the rotational supports, and a gap is left between the side edge of the flexible filter screen 530 close to the counterweight column 531 and the outer cylindrical surface of the counterweight column 531.

[0058] A magnetic column 532 is arranged in the core of the counterweight column 531. The length of the magnetic column 532 is shorter than the length of the counterweight column 531 to magnetically attract the tiny metal powder in the waste cutting fluid. The counterweight column 531 is made of stainless steel material. The flexible filter screen 530 is, for example, a stainless steel wire screen.

[0059] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application.

Claims

1. A waste cutting fluid sedimentation device with floating oil separation function, comprising a sedimentation tank (1), an observation window (2), a drain valve (3) and a stirring mechanism (4), the sedimentation tank (1) is used for waste cutting fluid to be deposited, the right side of the sedimentation tank (1) is connected with the observation window (2), the lower part of the sedimentation tank (1) is connected with the drain valve (3), and the upper part of the sedimentation tank (1) is provided with the stirring mechanism (4) for stirring the waste cutting fluid, characterized in that, It also includes the oil removal mechanism (5), the sediment tank (1) left side is equipped with oil removal mechanism (5) for separating waste cutting fluid and floating oil; the oil removal mechanism (5) includes oil removal frame (51), transverse partition (52), baffle (53), water pump (54) and filter cover (55), the sediment tank (1) left side is connected with oil removal frame (51), the oil removal frame (51) upper left and right sides are both opened with a gap, one side of the gap is located above the inlet of the sediment tank (1), the oil removal frame (51) upper left side is connected with the transverse partition (52), the transverse partition (52) is slidably connected with the baffle (53), the baffle (53) blocks the middle part of the transverse partition (52), the oil removal frame (51) upper left side is connected with the water pump (54), the water pump (54) is connected with the filter cover (55) on the water pump pipe; it also includes a floating mechanism (9) for moving the baffle (53), the floating mechanism (9) includes a bolt (91) and a float (92), the front and back sides of the baffle (53) upper left side are both threadedly connected with the bolt (91), the bottom of the bolt (91) is rotatably connected with the float (92); The lower side of the transverse partition (52) is provided with a flow-through groove (520), the front side of the baffle (53) away from the flow-through groove (520) is connected with a flexible filter screen (530), the side of the flexible filter screen (530) away from the baffle (53) is free, the side of the flexible filter screen (530) away from the baffle (53) is connected with a counterweight column (531) transversely placed below the float (92), the counterweight column (531) is placed on the inner bottom surface of the oil removal frame (51); the flexible filter screen (530) and the counterweight column (531) are rotatably connected, the length of the counterweight column (531) is longer than the length of the flow-through groove (520) in the length direction of the transverse partition (52), the flexible filter screen (530) is a stainless steel wire screen; It also includes a dosing mechanism (7) for breaking emulsifier and pam polyacrylamide, the dosing mechanism (7) includes a barrel (71), a valve (72), a gas cylinder (73), a guide rail (74) and a lid (75), the sediment tank (1) top left and right sides are both connected with the barrel (71), the barrel (71) lower part is connected with the valve (72), the sediment tank (1) top left and right sides are both connected with the gas cylinder (73), the gas cylinder (73) is located at the right rear side of the corresponding barrel (71), the gas cylinder (73) is electrically connected with the control panel (41), the telescopic rod of the gas cylinder (73) is connected with the guide rail (74), the guide rail (74) is in contact with the switch of the corresponding valve (72), the barrel (71) top is placed with the lid (75).

2. The waste cutting fluid sedimentation apparatus having a floating oil separation function according to claim 1, characterized by, The stirring mechanism (4) comprises a control panel (41), a first motor (42) and a stirrer (43), the control panel (41) is connected to the sediment tank (1), the first motor (42) is connected to the left side of the middle of the sediment tank (1), the first motor (42) is electrically connected with the control panel (41), the stirrer (43) is rotatably connected in the sediment tank (1), and the left side of the stirrer (43) is connected with the output shaft of the first motor (42).

3. The waste cutting fluid sedimentation apparatus having a floating oil separation function according to claim 2, characterized by, The water pump (54) is electrically connected with the control panel (41).

4. The waste cutting fluid sedimentation apparatus having a floating oil separation function according to claim 3, characterized by, Further comprising a stirring mechanism (6) for scraping floating oil, the stirring mechanism (6) comprises a fixed plate (61), a second motor (62), a conveying belt (63), a stirring plate (64) and a rotating shaft (65), the fixed plate (61) is connected to the top of the oil removal frame (51) on both sides, the second motor (62) is connected to one side of the fixed plate (61), the second motor (62) is electrically connected with the control panel (41), the rotating shaft (65) is rotatably connected to the left and right sides between the fixed plates (61), one side of the rotating shaft (65) is connected with the output shaft of the second motor (62), the conveying belt (63) is wound around the rotating shaft (65) through a transmission wheel, and at least two stirring plates (64) are connected to the conveying belt (63) at intervals.

5. The waste cutting fluid sedimentation apparatus having a floating oil separation function according to claim 1, characterized by, Further comprising a detection mechanism (8) for detecting the PH value of the waste cutting fluid, the detection mechanism (8) comprises a PH value detector (81), an electric wire (82) and a detection probe (83), the PH value detector (81) is connected to the right side of the sediment tank (1), the PH value detector (81) is electrically connected with the control panel (41), the electric wire (82) is connected to the PH value detector (81), the detection probe (83) is connected to the sediment tank (1), and the electric wire (82) is connected with the detection probe (83).

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