Kitchen garbage oil-water separator

Abstract

The invention relates to the technical field of kitchen waste treatment, in particular to a kitchen waste oil-water separator which comprises a box body, an oil-water separation box, a heater, a capacitive oil-water interface sensor, an oil pumping unit and a separation assembly. Large impurities in the solid waste are filtered through a coarse sieve plate, small rice falls to an organic polymer filter membrane for subsequent extrusion of oil and water, after the large impurities are filtered through the coarse sieve plate, a pushing and sweeping unit pushes away the large impurities, meanwhile, the oil and water enter an oil-water separation box, and a heater is started; meanwhile, the capacitance type oil-water interface sensor monitors oil-water layering in real time, when oil-water layering occurs, continuous heating is stopped, then the oil pumping unit is started to pump out an oil layer, and therefore before solid waste is squeezed, large impurities are coarsely filtered firstly, and the large impurities do not participate in squeezing.

Description

Technical Field

[0001] The invention relates to the technical field of kitchen waste treatment, and in particular to a kitchen waste oil-water separator. Background Art

[0002] At present, a large amount of kitchen waste is generated in daily life. Kitchen waste is mainly composed of leftovers and leftover rice. Therefore, there is a lot of grease in the kitchen waste. These greases can be separated and recovered by an oil-water separator and made into bio-oil. However, during recycling, only the oil and water that are easy to absorb on the surface are recovered, and there will also be a lot of grease in the solid waste in the kitchen waste. These greases are not recycled cleanly, which not only causes waste, but also affects the normal treatment of subsequent solid waste.

[0003] In the prior art, the oil and water in the kitchen waste pass through the arc-shaped mesh plate and fall into the oil-water separation box, while the solid waste in the kitchen waste remains in the solid-liquid separation cylinder. At this time, the motor drives the rotating rod to rotate, driving the spiral blades to rotate, and the solid waste at the bottom of the dry hopper is transported along the solid-liquid separation cylinder. As the distance between the spiral blades gradually increases and the pitch of the spiral blades gradually decreases, the fixed waste between the spiral blades is gradually squeezed, so that the oil and water in the solid waste are fully squeezed out.

[0004] However, in the aforementioned prior art, when the solid waste is squeezed, the solid waste is not separated. The solid waste contains not only staple foods such as rice, but also large bones and large pieces of meat. These large pieces of waste not only have less oil content, but are also difficult to squeeze, so that there are gaps between the rice and it cannot be fully squeezed; even after the large pieces of waste are forcibly squeezed, crumbs or fragments will be produced, which will clog the subsequent filter plates and affect the filtration of oil, water and impurities; ultimately, the oil-water separation efficiency and grease recovery rate of kitchen waste are greatly reduced. Summary of the invention

[0005] The object of the present invention is to provide a kitchen waste oil-water separator to solve the problem that in the prior art, when solid waste is squeezed, solid waste is not separated, and the solid waste contains not only staple foods such as rice, but also large bones and large pieces of meat. These large pieces of waste not only have a low oil content, but are also difficult to squeeze, so that there are gaps between the rice and it cannot be fully squeezed; even after the large pieces of waste are forcibly squeezed, crumbs or fragments will be generated, which will clog the subsequent filter plates and affect the filtration of oil, water and impurities; ultimately leading to a significant decrease in the oil-water separation efficiency and grease recovery rate of kitchen waste.

[0006] To achieve the above-mentioned object, the present invention provides a kitchen waste oil-water separator, comprising a box body, an oil-water separation box, a heater, a capacitive oil-water interface sensor, an oil pumping unit and a separation assembly, wherein the oil-water separation box is arranged on the inner bottom wall of the box body, the heater is arranged inside the oil-water separation box, the capacitive oil-water interface sensor is arranged inside the oil-water separation box, and the oil pumping unit is arranged inside the oil-water separation box;

[0007] The separation component includes a coarse screen plate, a push-sweep unit and an organic polymer filtration membrane. The coarse screen plate is arranged at the feed inlet of the box body, the push-sweep unit is arranged above the coarse screen plate, and the organic polymer filtration membrane is arranged below the coarse screen plate.

[0008] In which, the separation component also includes a dividing plate, a collecting bucket, two first movable parts, a fine screen frame and a pressing unit. The collecting bucket is fixedly connected to the bottom of the coarse screen plate and is located above the organic polymer filtration membrane. The dividing plate is arranged at one end of the coarse screen plate, and the two first movable parts are arranged in sequence below the collecting bucket. The fine screen frame is arranged at the output end of the two first movable parts, the organic polymer filtration membrane is arranged inside the fine screen frame, and the pressing unit is arranged on one side of the fine screen frame.

[0009] Wherein, the pressing unit includes multiple pressing components, a support plate, a pressing plate, multiple support bars and a cleaning and recovery mechanism, the support plate is arranged on one side of the fine screen frame and is located above the first movable component, multiple pressing components are arranged in sequence above the support plate, the output ends of multiple pressing components all pass through the support plate and are fixedly connected to the pressing plate, multiple support bars are arranged in sequence inside the fine screen frame and are located below the organic polymer filtration membrane, and the cleaning and recovery mechanism is arranged inside the box body and is located on one side of the fine screen frame and the oil-water separation box.

[0010] Wherein, the cleaning and recovery mechanism includes an opening and closing plate, an opening and closing component, a recoil nozzle, a recovery channel, a screw conveyor, a cleaning component and a recovery inclined plate, the opening and closing plate is rotatably connected to the fine screen frame, the opening and closing component is arranged on one side of the fine screen frame, the output end of the opening and closing component is fixedly connected to the opening and closing plate, the recoil nozzle is arranged below the first moving component, the recovery channel is arranged on one side of the recoil nozzle, the screw conveyor is connected to the bottom of the recovery channel, the cleaning component is arranged above the first moving component, and the recovery inclined plate is arranged below the screw conveyor.

[0011] Among them, the cleaning component includes two second moving components, a cleaning pushing device and a cleaning scraper. The two second moving components are symmetrically arranged above the first moving component. The cleaning pushing device is sequentially arranged at the output end of the second moving component. The output end of the cleaning pushing device is fixedly connected to the cleaning scraper.

[0012] Wherein, the oil pumping unit includes a pump body, a lifting component, a telescopic hose, a connecting groove, a rotating mechanism and a drain pipe, the pump body is arranged on the inner wall of the box body, the lifting component is arranged below the dividing plate, one end of the telescopic hose is connected to the oil inlet end of the pump body, the other end of the telescopic hose is connected to the connecting groove, the output end of the lifting component is fixedly connected to the connecting groove, the rotating mechanism is arranged inside the oil-water separation box, and the drain pipe is connected to the oil-water separation box.

[0013] Among them, the rotating mechanism includes a rotating component, a rotating shaft and a plurality of rotating plates. The rotating component is arranged below the box body, the output end of the rotating component is fixedly connected to the rotating shaft, the rotating shaft is arranged inside the oil-water separation box, and the plurality of rotating plates are sequentially arranged outside the rotating shaft.

[0014] Wherein, the push-sweeping unit includes two third movable parts, multiple push-sweeping parts, a U-shaped plate, a rotating part, multiple cleaning rubber blocks, multiple cleaning brushes and a pushing plate, the two third movable parts are symmetrically arranged above the coarse screen plate, the multiple push-sweeping parts are sequentially arranged at the output end of the third movable part, the U-shaped plate is fixedly connected to the output ends of the multiple push-sweeping parts, the rotating part is arranged inside the U-shaped plate, the multiple cleaning rubber blocks and the multiple cleaning brushes are staggered at the output end of the rotating part, and the pushing plate is arranged on one side of the U-shaped plate.

[0015] The kitchen waste oil-water separator of the present invention puts solid waste that needs oil-water separation into the box body, filters large impurities in the solid waste through the coarse screen plate, and smaller rice falls into the organic polymer filter membrane for subsequent oil-water extrusion. After the coarse screen plate filters the large impurities, the push-sweep unit pushes the large impurities away so that they can be filtered and used later. The operation is repeated to perform coarse filtration on the solid waste, and oil and water enter the oil-water separation box. The heater is started to increase the oil-water temperature and reduce the viscosity, so that oil droplets or water droplets are more likely to coalesce and settle, accelerate the thermal motion of molecules, increase the collision frequency between oil droplets or water droplets, and facilitate their coalescence. At the same time, the capacitive oil-water interface sensor monitors the oil-water stratification in real time. When the oil-water stratification occurs, the heating is stopped, and then the oil extraction unit is started to extract the oil layer. Through the above-mentioned structural setting, before squeezing the solid waste, the large impurities are firstly coarsely filtered so that the large impurities do not participate in the squeezing, thereby improving the full contact with the rice during the subsequent squeezing, and improving the oil-water squeezing efficiency and the oil recovery rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0018] Figure 2 It is a cross-sectional view of the entire present invention.

[0019] Figure 3 It is the internal structure diagram of the box body of the present invention.

[0020] Figure 4 It is a schematic structural diagram of the coarse screening of the present invention.

[0021] Figure 5 It is a schematic structural diagram of the oil-water pressing of the present invention.

[0022] Figure 6 The present invention Figure 2 A magnified view of the local structure at A.

[0023] Figure 7 The present invention Figure 2 Enlarged view of the local structure at point B.

[0024] Figure 8 The present invention Figure 2 Enlarged view of the local structure at location C.

[0025] Fig. 9 The present invention Figure 3 Enlarged view of the local structure at D.

[0026] 1-box, 2-oil-water separation box, 3-heater, 4-capacitive oil-water interface sensor, 5-coarse screen plate, 6-organic polymer filter membrane, 7-separation plate, 8-collection bucket, 9-first moving part, 10-fine screen frame, 11-pressing part, 12-support plate, 13-pressing plate, 14-support bar, 15-opening and closing plate, 16-opening and closing part, 17-recoil nozzle, 18-recovery channel, 19-screw conveyor, 2 0-recovery inclined plate, 21-second moving part, 22-cleaning pushing device, 23-cleaning scraper, 24-pump body, 25-lifting part, 26-telescopic hose, 27-connecting groove, 28-drain pipe, 29-rotating part, 30-rotating shaft, 31-rotating plate, 32-third moving part, 33-push sweeping part, 34-U-shaped plate, 35-rotating part, 36-cleaning rubber block, 37-cleaning brush, 38-pushing plate. DETAILED DESCRIPTION

[0027] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0028] See also Figures 1 to 9 The present invention provides a kitchen waste oil-water separator, comprising a box body 1, an oil-water separation box 2, a heater 3, a capacitive oil-water interface sensor 4, an oil pumping unit and a separation component, wherein the separation component comprises a coarse screen plate 5, a push sweep unit and an organic polymer filter membrane 6, and the separation component further comprises a material dividing plate 7, a collecting bucket 8, two first moving parts 9, a fine screen frame 10 and a pressing unit, wherein the pressing unit comprises a plurality of pressing parts 11, a support plate 12, a pressing plate 13, a plurality of supporting bars 14 and a cleaning and recycling mechanism, wherein the cleaning and recycling mechanism comprises an opening and closing plate 15, an opening and closing part 16, a recoil nozzle 17 , a recovery channel 18, a screw conveyor 19, a cleaning component and a recovery inclined plate 20, the cleaning component includes two second moving components 21, a cleaning pushing device 22 and a cleaning scraper 23, the oil pumping unit includes a pump body 24, a lifting component 25, a telescopic hose 26, a connecting groove 27, a rotating mechanism and a drain pipe 28, the rotating mechanism includes a rotating component 29, a rotating shaft 30 and a plurality of rotating plates 31, the push-sweeping unit includes two third moving components 32, a plurality of push-sweeping components 33, a U-shaped plate 34, a rotating component 35, a plurality of cleaning rubber blocks 36, a plurality of cleaning brushes 37 and a pushing plate 38.

[0029] Among them, the oil-water separation box 2 is arranged on the inner bottom wall of the box body 1, the heater 3 is arranged inside the oil-water separation box 2, the capacitive oil-water interface sensor 4 is arranged inside the oil-water separation box 2, the oil pumping unit is arranged inside the oil-water separation box 2, the coarse screen plate 5 is arranged at the feed inlet of the box body 1, the push-sweep unit is arranged above the coarse screen plate 5, and the organic polymer filtration membrane 6 is arranged below the coarse screen plate 5. Solid waste that needs oil-water separation is put into the box body 1, and large impurities in the solid waste are filtered through the coarse screen plate 5, and smaller rice falls into the organic polymer filter membrane 6 for subsequent squeezing of oil and water. When the coarse screen plate 5 filters large impurities, the push-sweep unit pushes the large impurities away for subsequent filtration and reuse. The operation is repeated to perform coarse filtration on the solid waste, and the oil and water enter the oil-water separation box 2. The heater 3 is started to increase the temperature of the oil and water, reduce the viscosity, make the oil droplets or water droplets more easily aggregate and settle, accelerate the thermal motion of molecules, increase the collision frequency between the oil droplets or water droplets, and facilitate their aggregation; at the same time, the capacitive oil-water interface sensor 4 real-timely detects the oil-water stratification Monitor, when oil and water stratification occurs, stop heating, and then start the oil extraction unit to extract the oil layer; the organic polymer filter membrane 6 has good hydrophilicity and oil resistance, and is therefore suitable for solid-liquid separation of kitchen waste. After small particles of solid waste stay on the organic polymer filter membrane 6, the small particles of solid waste are lightly pressed to discharge the oil and water. At the same time, the filter space of the organic polymer filter membrane 6 itself is small micropores, which helps to filter tiny particles and colloidal waste, making the filtered oil and water clearer and reducing turbidity; and the filter hole of the coarse screen plate 5 is a 20 mm wide square groove, which can effectively intercept large pieces of garbage such as bones, and allow small particles such as rice to pass smoothly.

[0030] Secondly, the collecting hopper 8 is fixedly connected to the lower part of the coarse screen plate 5 and is located above the organic polymer filter membrane 6. The dividing plate 7 is arranged at one end of the coarse screen plate 5. The two first moving parts 9 are arranged in sequence below the collecting hopper 8. The fine screen frame 10 is arranged at the output ends of the two first moving parts 9. The organic polymer filter membrane 6 is arranged inside the fine screen frame 10. The pressing unit is arranged on one side of the fine screen frame 10. The first moving part 9 is an electric slide rail; after the coarse screening is completed, the push-sweep unit pushes the large pieces of garbage to the dividing plate 7, and then slides out of the box 1 for subsequent recycling, while the small particles of garbage pass through the collecting hopper 8 and enter the fine screen frame 10. Then the first moving part 9 moves the fine screen frame 10 to the lower part of the pressing unit, and the oil and water are squeezed through the pressing unit.

[0031] At the same time, the support plate 12 is arranged on one side of the fine screen frame 10 and is located above the first movable component 9. The plurality of pressing components 11 are arranged in sequence above the support plate 12. The output ends of the plurality of pressing components 11 all pass through the support plate 12 and are fixedly connected to the pressing plate 13. The plurality of support bars 14 are arranged in sequence inside the fine screen frame 10 and are all located below the organic polymer filtration membrane 6. The cleaning and recovery mechanism is arranged inside the box body 1 and is located on one side of the fine screen frame 10 and the oil-water separation box 2. The pressing component 11 is a cylinder; a pressure sensor is arranged on the pressing plate 13 to detect the pressure of squeezing. In the traditional technology, when the kitchen waste is recycled, the rice must have been soaked in oil and water for a long time and is relatively soft. Although the oil and water can be fully squeezed out by squeezing it with the threaded blades, the structure of the rice is also destroyed, making the squeezed oil and water turbid and thick, which affects the efficiency and effect of subsequent oil-water separation. Therefore, the present application detects the squeezing pressure and controls the appropriate squeezing force to avoid excessive squeezing of the rice to cause oil and water turbidity. During operation, first, small particles of solid waste such as rice fall on the organic polymer filtration membrane. 6, the pressing component 11 is started, driving the pressing plate 13 to move downward, and at the same time the support bar 14 supports the bottom of the organic polymer filter membrane 6 to avoid excessive deformation; a preset pressure value is set, and when the pressing force reaches the preset value, the pressing is stopped, and at the same time, the small particles of solid waste are cleaned through the cleaning and recycling mechanism for subsequent squeezing, and the operation is repeated in this way. By controlling the pressing force and combining with the micropore characteristics of the organic polymer filter membrane 6 itself, the turbidity and viscosity of the oil and water can be reduced, and the organic polymer filter membrane 6 can be cleaned and reused to always maintain high-quality oil and water filtration.

[0032] In addition, the opening and closing plate 15 is rotatably connected to the fine screen frame 10, the opening and closing component 16 is arranged on one side of the fine screen frame 10, the output end of the opening and closing component 16 is fixedly connected to the opening and closing plate 15, the recoil nozzle 17 is arranged below the first movable component 9, the recovery channel 18 is arranged on one side of the recoil nozzle 17, the screw conveyor 19 is connected to the bottom of the recovery channel 18, the cleaning component is arranged above the first movable component 9, and the recovery inclined plate 20 is arranged below the screw conveyor 19. The opening and closing component 16 is a self-locking motor; when the squeezing is completed, the fine screen frame 10 moves to the top of the recoil nozzle 17, and then the recoil nozzle 17 is connected to the external water source, and the organic polymer filter membrane 6 is backwashed by spraying water from the lower net, and at the same time, the opening and closing component 16 is started, driving the opening and closing plate 15 to rotate and open the opening and closing plate 15; at this time, the cleaning component cleans the squeezed small particle impurities above the organic polymer filter membrane 6, and the impurities fall into the recovery channel 18, and then enter the screw conveyor 19 and are discharged from the outside of the box body 1. At the same time, the recovery inclined plate 20 can collect the naturally falling water after backwashing, and then discharge it from the box body 1 together to keep the inside of the box body 1 clean.

[0033] Then, two second moving parts 21 are symmetrically arranged above the first moving part 9, and the cleaning and pushing device 22 is sequentially arranged at the output end of the second moving part 21, and the output end of the cleaning and pushing device 22 is fixedly connected to the cleaning scraper 23. The second moving part 21 is an electric slide rail, and the cleaning and pushing device 22 is a cylinder; when cleaning small particles of garbage, the second moving part 21 adjusts the position of the cleaning scraper 23, and then the cleaning and pushing device 22 is started, driving the cleaning scraper 23 to move, scraping away the garbage above the organic polymer filter membrane 6, passing through the opening and closing plate 15, and falling into the recovery channel 18.

[0034] Again, the pump body 24 is arranged on the inner wall of the box body 1, the lifting component 25 is arranged below the dividing plate 7, one end of the telescopic hose 26 is connected to the oil inlet end of the pump body 24, the other end of the telescopic hose 26 is connected to the connecting groove 27, the output end of the lifting component 25 is fixedly connected to the connecting groove 27, the rotating mechanism is arranged inside the oil-water separation box 2, and the drain pipe 28 is connected to the oil-water separation box 2. When the capacitive oil-water interface sensor 4 detects obvious oil-water stratification, heating is stopped and the lifting component 25 is started to drive the connecting groove 27 to move downward. At the same time, the telescopic hose 26 is extended, so that the connecting groove 27 is located at the oil layer. Then the pump body 24 is started to suck out the grease. After the grease is sucked out, the sewage in the lower layer is drained away through the drain pipe 28. In addition, when heating for oil-water separation, the rotating mechanism can be started to stir the oil and water to help the oil and water to aggregate and settle, thereby accelerating the separation process. At the same time, the rotation speed is controlled at 80 revolutions per minute to avoid excessive shearing and emulsification of the oil and water due to excessive speed.

[0035] Furthermore, the rotating component 29 is disposed below the box body 1, the output end of the rotating component 29 is fixedly connected to the rotating shaft 30, the rotating shaft 30 is disposed inside the oil-water separation box 2, and the plurality of rotating plates 31 are sequentially disposed outside the rotating shaft 30. The rotating component 29 is a motor, and when the rotating component 29 is started, the rotating shaft 30 and the plurality of rotating plates 31 are driven to rotate, thereby slowly stirring the oil and water; when oil and water are separated, the stirring can be stopped.

[0036] Finally, the two third movable parts 32 are symmetrically arranged above the coarse screen plate 5, the multiple push-sweeping parts 33 are sequentially arranged at the output end of the third movable part 32, the U-shaped plate 34 is fixedly connected to the output ends of the multiple push-sweeping parts 33, the rotating part 35 is arranged inside the U-shaped plate 34, the multiple cleaning rubber blocks 36 and the multiple cleaning brushes 37 are staggered at the output end of the rotating part 35, and the push plate 38 is arranged on one side of the U-shaped plate 34. The third moving part 32 is an electric slide rail, the pushing and sweeping part 33 is a cylinder, and the rotating part 35 is a motor; when it is necessary to push away excess large pieces of impurities and garbage, the pushing and sweeping unit is started, so that the U-shaped plate 34 moves down, so that the pushing plate 38 is close to the coarse screen plate 5, and then the third moving part 32 drives the U-shaped plate 34 to move, so that the pushing plate 38 pushes the large pieces of impurities and garbage toward the dividing plate 7, and at the same time the rotating part 35 is started, driving the cleaning rubber block 36 and the cleaning brush 37 to rotate, so as to clean the coarse screen plate 5. The groove of the screen plate 5 is cleaned to prevent garbage from getting stuck in the groove and affecting the pushing; when the pushing plate 38 is flush with the coarse screen plate 5, the cleaning brush 37 and the cleaning rubber block 36 are located inside the groove of the coarse screen plate 5, and then continuously rotate, continuously extend out and penetrate into the groove to clean the groove, which helps to remove impurities in the groove; at the same time, the cleaning rubber block 36 has a certain toughness and elasticity, and the cleaning brush 37 is made of soft material, so under the cooperation of each other, they can fully contact with the inner wall of the groove to avoid dead corners and improve the cleaning efficiency and effect.

[0037] When using a kitchen waste oil-water separator of the present embodiment, solid waste that needs oil-water separation is put into the box body 1, and large impurities in the solid waste are filtered through the coarse screen plate 5, and smaller rice falls to the organic polymer filter membrane 6 for subsequent squeezing of oil and water. After the coarse screen plate 5 filters the large impurities, the push plate 38 pushes the large impurities away for subsequent filtering and use. The operation is repeated to perform coarse filtration on the solid waste, and the oil and water enter the oil-water separation box 2. The heater 3 is started to increase the temperature of the oil and water, reduce the viscosity of the oil and water, make the oil droplets or water droplets more easily aggregate and settle, and accelerate the thermal motion of the molecules. The collision frequency between oil droplets or water droplets is increased, and at the same time, the rotating plate 31 rotates to slowly stir the oil and water, which is conducive to the aggregation of oil and water under the cooperation of each other; at the same time, the capacitive oil-water interface sensor 4 monitors the oil-water stratification in real time. When oil-water stratification occurs, the heating and stirring are stopped, and then the pump body 24 is started, and the lifting component 25 drives the connecting groove 27 to move to the oil layer height to extract the oil. Through the above-mentioned structural arrangement, before squeezing the solid waste, the large impurities are first coarsely filtered so that the large impurities do not participate in the squeezing, thereby improving the full contact with the rice during subsequent squeezing, and improving the oil-water squeezing efficiency and the oil recovery rate.

[0038] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A kitchen waste oil-water separator, comprising a box body, an oil-water separation box, a heater, a capacitive oil-water interface sensor and an oil pumping unit, wherein the oil-water separation box is arranged on the inner bottom wall of the box body, the heater is arranged inside the oil-water separation box, the capacitive oil-water interface sensor is arranged inside the oil-water separation box, and the oil pumping unit is arranged inside the oil-water separation box, characterized in that: Also included are separation components; The separation component includes a coarse screen plate, a push-sweep unit and an organic polymer filtration membrane. The coarse screen plate is arranged at the feed inlet of the box body, the push-sweep unit is arranged above the coarse screen plate, and the organic polymer filtration membrane is arranged below the coarse screen plate.

2. The kitchen waste oil-water separator according to claim 1, characterized in that: The separation assembly also includes a dividing plate, a collecting hopper, two first movable parts, a fine screen frame and a pressing unit. The collecting hopper is fixedly connected to the bottom of the coarse screen plate and is located above the organic polymer filtration membrane. The dividing plate is arranged at one end of the coarse screen plate, the two first movable parts are arranged in sequence below the collecting hopper, the fine screen frame is arranged at the output ends of the two first movable parts, the organic polymer filtration membrane is arranged inside the fine screen frame, and the pressing unit is arranged on one side of the fine screen frame.

3. The kitchen waste oil-water separator according to claim 2, characterized in that: The pressing unit includes multiple pressing components, a support plate, a pressing plate, multiple support bars and a cleaning and recovery mechanism. The support plate is arranged on one side of the fine screen frame and is located above the first movable component. Multiple pressing components are arranged in sequence above the support plate. The output ends of multiple pressing components all pass through the support plate and are fixedly connected to the pressing plate. Multiple support bars are arranged in sequence inside the fine screen frame and are located below the organic polymer filtration membrane. The cleaning and recovery mechanism is arranged inside the box body and is located on one side of the fine screen frame and the oil-water separation box.

4. The kitchen waste oil-water separator according to claim 3, characterized in that: The cleaning and recovery mechanism includes an opening and closing plate, an opening and closing component, a recoil nozzle, a recovery channel, a screw conveyor, a cleaning component and a recovery inclined plate. The opening and closing plate is rotatably connected to the fine screen frame, the opening and closing component is arranged on one side of the fine screen frame, the output end of the opening and closing component is fixedly connected to the opening and closing plate, the recoil nozzle is arranged below the first moving component, the recovery channel is arranged on one side of the recoil nozzle, the screw conveyor is connected to the bottom of the recovery channel, the cleaning component is arranged above the first moving component, and the recovery inclined plate is arranged below the screw conveyor.

5. The kitchen waste oil-water separator according to claim 4, characterized in that: The cleaning component includes two second movable components, a cleaning pushing device and a cleaning scraper. The two second movable components are symmetrically arranged above the first movable component. The cleaning pushing device is sequentially arranged at the output end of the second movable component. The output end of the cleaning pushing device is fixedly connected to the cleaning scraper.

6. The kitchen waste oil-water separator according to claim 5, characterized in that: The oil pumping unit includes a pump body, a lifting component, a telescopic hose, a connecting groove, a rotating mechanism and a drain pipe. The pump body is arranged on the inner wall of the box body, the lifting component is arranged below the dividing plate, one end of the telescopic hose is connected to the oil inlet end of the pump body, the other end of the telescopic hose is connected to the connecting groove, the output end of the lifting component is fixedly connected to the connecting groove, the rotating mechanism is arranged inside the oil-water separation box, and the drain pipe is connected to the oil-water separation box.

7. The kitchen waste oil-water separator according to claim 6, characterized in that: The rotating mechanism includes a rotating component, a rotating shaft and a plurality of rotating plates. The rotating component is arranged below the box body. The output end of the rotating component is fixedly connected to the rotating shaft. The rotating shaft is arranged inside the oil-water separation box. The plurality of rotating plates are sequentially arranged outside the rotating shaft.

8. The kitchen waste oil-water separator according to claim 7, characterized in that: The push-sweeping unit includes two third movable parts, multiple push-sweeping parts, a U-shaped plate, a rotating part, multiple cleaning rubber blocks, multiple cleaning brushes and a pushing plate. The two third movable parts are symmetrically arranged above the coarse screen plate, and the multiple push-sweeping parts are sequentially arranged at the output end of the third movable part. The U-shaped plate is fixedly connected to the output ends of the multiple push-sweeping parts. The rotating part is arranged inside the U-shaped plate. The multiple cleaning rubber blocks and the multiple cleaning brushes are staggered at the output end of the rotating part. The pushing plate is arranged on one side of the U-shaped plate.

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