Intelligent kitchen sewage pretreatment equipment

Abstract

The invention belongs to the technical field of sewage pretreatment equipment, and discloses intelligent kitchen sewage pretreatment equipment which comprises a treatment box, a feeding port for feeding and a sewage discharge pipe for discharging sewage, a filter plate and a sewage cavity are arranged in the treatment box, and an oil catching roller, a first mounting plate and a second mounting plate are arranged in the sewage cavity; a condensation mechanism is arranged in the oil catching roller, and oil scraping tanks are arranged on the two sides of the oil catching roller. During working, the oil catching roller is driven by the moving assembly to reciprocate in the sewage cavity, meanwhile, the oil catching roller continuously rotates, and grease on the surface of the oil catching roller is scraped and collected through an opening of the oil scraping box, so that the device realizes a continuous'adsorption-condensation-stripping collection 'working cycle; according to the device, grease is solidified into one part of a roller surface through condensation phase change, the transfer process is stable and thorough, the device is essentially different from a liquid oil-water mixture recovered by a traditional method, the frequency of equipment maintenance is reduced, the purity of the recovered grease is improved, and the resource value and economic benefits are improved.

Description

Technical Field

[0001] This invention belongs to the technical field of wastewater pretreatment equipment, specifically an intelligent kitchen wastewater pretreatment device. Background Technology

[0002] Kitchen wastewater has a complex composition, containing large amounts of food residue, animal and vegetable oils, detergents, and various organic matter. It is characterized by high oil, high suspended solids, high organic matter content, and high perishability. If discharged directly into the municipal sewer system without pretreatment, it can easily cause pipe blockage and corrosion, and significantly increase the load on urban wastewater treatment plants. Therefore, effective source pretreatment of kitchen wastewater is crucial.

[0003] Currently, grease trap technology, based on physical gravity separation, is widely used for the pretreatment of oily wastewater from kitchens. Common equipment includes traditional grease traps and mechanical automatic grease traps. However, these devices have some inherent drawbacks. The drain outlet of a traditional grease trap is easily clogged by solidified grease, requiring regular manual cleaning, which not only results in poor hygiene but also high maintenance costs. The scrapers, chains, or suction pumps of mechanical automatic grease traps are also prone to jamming due to the adhesion and accumulation of grease, leading to the failure of their automated functions. Summary of the Invention

[0004] The purpose of this invention is to provide an intelligent kitchen wastewater pretreatment device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an intelligent kitchen wastewater pretreatment device, comprising a treatment tank, an inlet for feeding materials, and a drain pipe for discharging wastewater. The treatment tank is provided with a filter plate and a wastewater chamber, and the filter plate is disposed below the inlet. The sewage chamber is equipped with an oil-catching roller, a first mounting plate, and a second mounting plate. The oil-catching roller is equipped with a condensation mechanism. The first mounting plate and the second mounting plate are slidably installed in the sewage chamber through a moving component. The oil-catching roller is located between the first mounting plate and the second mounting plate. The oil-catching roller is rotatably connected to the first mounting plate and the second mounting plate through a first rotating component. Both sides of the oil-catching roller are provided with oil scraping boxes, and each of the two oil scraping boxes has an opening on the opposite side. The opening of one of the oil scraping boxes slides against the outer wall of the oil-catching roller, and each of the two oil scraping boxes is provided with an oil discharge component.

[0006] As a further technical solution of the present invention, the moving component includes a moving seat slidably installed in the processing box. Two moving seats are provided, and the two moving seats are respectively connected to a first mounting plate and a second mounting plate. One of the moving seats is internally threaded with a reciprocating screw, and a motor is installed at one end of the reciprocating screw.

[0007] As a further technical solution of the present invention, the first rotating assembly includes a first rotating shaft fixedly installed at both ends of the oil-catching roller, two first rotating shafts being rotatably installed in the first mounting plate and the second mounting plate respectively, a first gear being fixedly installed on the outer wall of one of the first rotating shafts, a second gear being meshed at the top of the first gear, a third gear being meshed at the top of the second gear, and a rack plate being meshed at the top of the third gear, the rack plate being installed in the processing box.

[0008] As a further technical solution of the present invention, one end of the two oil scraper boxes is fixedly connected by a fixing rod, and the fixing rod is slidably installed in the second mounting plate.

[0009] As a further technical solution of the present invention, the oil discharge assembly includes two rotating wheels disposed in the oil scraper box, and the two rotating wheels are rotatably connected to the oil scraper box through a second rotating assembly; A connecting plate is fixedly connected between the two rotating wheels. Oil drain plates are evenly installed at the bottom of the connecting plate. The oil drain plates are movably installed inside the oil scraper box. The bottom of the oil scraper box is connected to the oil storage tank through a connecting pipe. The oil storage tank is located at the bottom of the sewage chamber.

[0010] As a further technical solution of the present invention, the second rotating assembly includes a second rotating shaft fixedly installed on the outer wall of two rotating wheels. A first belt drive mechanism is installed on the outer wall of the two second rotating shafts. A third drive shaft is connected to the outer wall of one of the second rotating shafts through the second belt drive mechanism. A second bevel gear is fixedly installed at one end of the third drive shaft. A first bevel gear meshes with one side of the second bevel gear. A second drive shaft is fixedly installed on the side wall of the first bevel gear. A first drive shaft is connected to one end of the second drive shaft. A fifth gear is fixedly installed on the outer wall of the first drive shaft. A fourth gear meshes with the top of the fifth gear. The fourth gear meshes with the bottom of the rack plate.

[0011] As a further technical solution of the present invention, a connecting sleeve shaft is sleeved on the outer wall of the first drive shaft and the second drive shaft, and a limiting plate is rotatably installed on the outer wall of the connecting sleeve shaft. The limiting plate is elastically installed in the oil scraper box by a first spring. A wedge-shaped rod is provided on one side of the limiting plate, and the wedge-shaped rod is fixedly installed on the outer wall of the second mounting plate.

[0012] As a further technical solution of the present invention, a slag-pushing plate is slidably installed on the top of the filter plate, one side of the slag-pushing plate is connected to the movable end of the cylinder, and the cylinder is fixedly installed on the outer wall of the processing box. A slag collection box is provided on one side of the filter plate, and the slag collection box is slidably installed inside the processing box.

[0013] The beneficial effects of this invention are as follows: This invention uses an oil-catching roller to condense and scrape off oil stains on the surface of sewage in a sewage chamber. In use, kitchen sewage is first poured into a treatment tank. After the sewage passes through a filter plate to remove large particles of impurities, it enters the sewage chamber. When it is necessary to remove grease from the sewage, the moving component drives the oil-catching roller, the first mounting plate, and the second mounting plate to move back and forth in the sewage chamber. When the oil-catching roller comes into contact with the grease on the surface of the sewage, the heat of the liquid grease is rapidly carried away, and the viscosity increases instantly until it solidifies. Simultaneously, the first rotating component drives the oil-catching roller to rotate continuously, ensuring that the entire circumference of the oil-catching roller is in contact with the grease-laden surface of the wastewater, thus performing continuous adsorption-condensation. As the oil-catching roller rotates, the condensed grease on its surface moves towards the opening of the scraper box, where it is scraped off and collected. This allows the device to achieve a continuous "adsorption-condensation-stripping collection" cycle. Through condensation phase change, this device solidifies the grease into part of the roller surface. The transfer process is stable and thorough, fundamentally different from the liquid oil-water mixture recovered by traditional methods. This not only reduces the frequency of equipment maintenance but also improves the purity of the recovered grease, greatly enhancing its resource value and economic benefits.

[0014] This invention, through the setting of the oil draining component, drives two rotating wheels inside the oil scraper to rotate synchronously during operation via the second rotating component. When the two rotating wheels rotate, they drive several oil draining plates to move in a U-shape through the connecting plate, pushing the grease collected inside the oil scraper towards the oil draining port. Finally, the grease is discharged into the oil storage tank through the connecting pipe, preventing grease from accumulating inside the oil scraper. This achieves the separation of functions of "efficient collection in the small box and centralized temporary storage in the large box", thereby greatly improving the operational continuity, maintenance convenience and processing capacity of the entire system.

[0015] This invention, through the arrangement of the second rotating component, enables the fourth gear to mesh and rotate with the rack plate when the oil scraper box moves during operation. The rotation of the fourth gear drives the rotation of the fifth gear, which in turn drives the rotation of the first transmission shaft. The rotation of the first transmission shaft drives the rotation of the second transmission shaft, which in turn drives the rotation of the first bevel gear. The rotation of the first bevel gear drives the rotation of the second bevel gear, which in turn drives the rotation of the third transmission shaft. When the third transmission shaft rotates, it drives one of the second rotating shafts to rotate via a second belt drive mechanism. Then, it drives the two first belt drive mechanisms to rotate synchronously, thereby providing power to the oil discharge component. This eliminates the need to set up a separate motor, sensor, and control program for the oil discharge component, achieving "one drive driving two drives". Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic cross-sectional view of the overall structure of the present invention; Figure 3 This is a front cross-sectional view of the overall structure of the present invention; Figure 4 This is a schematic diagram of the structure of the moving component of the present invention; Figure 5 This is a schematic cross-sectional view of the oil scraper and oil catcher roller of the present invention; Figure 6 This is a schematic diagram of the structure of the oil-catching roller of the present invention; Figure 7 This is a schematic cross-sectional view of the oil-catching roller structure of the present invention; Figure 8 This is a schematic diagram of the oil scraper tank structure of the present invention; Figure 9 This is a schematic cross-sectional view of the oil scraper tank structure of the present invention; Figure 10 For the present invention Figure 9 Enlarged schematic diagram of the structure at point A in the middle; Figure 11 This is a schematic diagram of the structure of the oil discharge assembly of the present invention; Figure 12 This is a schematic cross-sectional view of the connecting sleeve shaft of the present invention.

[0017] In the diagram: 1. Processing tank; 12. Feed inlet; 13. Sewage pipe; 14. Filter plate; 15. Wastewater chamber; 21. Oil-catching roller; 22. First mounting plate; 23. Second mounting plate; 24. Movable seat; 25. Reciprocating lead screw; 26. Motor; 211. First rotating shaft; 212. First gear; 213. Second gear; 214. Third gear; 215. Rack plate; 31. Oil scraper; 32. Fixing rod; 311. Connecting plate; 312. Oil drain plate; 313. Rotating wheel; 314. Second rotating shaft; 315. First belt drive mechanism; 316. Connecting pipe; 317. Oil reservoir; 41. Fourth gear; 42. Fifth gear; 43. First drive shaft; 44. Second drive shaft; 45. First bevel gear; 46. Second bevel gear; 47. Third drive shaft; 48. Second belt drive mechanism; 51. Connecting sleeve shaft; 52. Limiting plate; 53. Wedge rod; 54. First spring; 61. Slag pusher plate; 62. Cylinder; 63. Slag collection box. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] like Figures 1 to 12 As shown in the embodiment of the present invention, an intelligent kitchen wastewater pretreatment device includes a treatment tank 1, an inlet 12 for feeding materials and a drain pipe 13 for discharging wastewater. The treatment tank 1 is provided with a filter plate 14 and a wastewater chamber 15, and the filter plate 14 is located below the inlet 12. The sewage chamber 15 is equipped with an oil-catching roller 21, a first mounting plate 22 and a second mounting plate 23. The oil-catching roller 21 is equipped with a condensation mechanism. The first mounting plate 22 and the second mounting plate 23 are slidably installed in the sewage chamber 15 through a moving component. The oil-catching roller 21 is located between the first mounting plate 22 and the second mounting plate 23. The oil-catching roller 21 is rotatably connected to the first mounting plate 22 and the second mounting plate 23 through a first rotating component. Oil scraping boxes 31 are provided on both sides of the oil-catching roller 21. Each of the two oil scraping boxes 31 has an opening on the opposite side. The opening of one of the oil scraping boxes 31 slides against the outer wall of the oil-catching roller 21. Both oil scraping boxes 31 are equipped with oil discharge components.

[0020] The condensation mechanism is preferably a refrigerant circulation system, which can easily reduce the roller surface temperature to 0°C or even lower, ensuring that various animal and vegetable oils (including high-freezing-point tallow and lard) can be effectively solidified.

[0021] When in use, first pour kitchen wastewater into the treatment tank 1 through the inlet 12. After the wastewater passes through the filter plate 14 to filter out large particles of impurities (such as vegetable leaves, broken bones, fruit pits, etc.), it enters the wastewater chamber 15. When it is necessary to remove grease from wastewater, the moving assembly drives the oil-catching roller 21, the first mounting plate 22, and the second mounting plate 23 to reciprocate within the wastewater chamber 15. When the oil-catching roller 21 comes into contact with the grease on the surface of the wastewater, the heat of the liquid grease is rapidly carried away, and the viscosity increases instantaneously until it solidifies. At the same time, the first rotating assembly drives the oil-catching roller 21 to rotate continuously, so that the entire circumference of the oil-catching roller 21 is in contact with the grease surface of the wastewater, performing continuous adsorption-condensation work. (like Figure 5 As shown, the oil-catching roller 21 rotates counterclockwise. When the oil-catching roller 21 rotates, the grease condensed on the surface of the oil-catching roller 21 moves toward the opening of the oil scraping box 31. The grease on the surface of the oil-catching roller 21 is scraped off through the opening of the oil scraping box 31 and collected into the oil scraping box 31, so that the device realizes a continuous "adsorption-condensation-stripping collection" working cycle.

[0022] This device solidifies grease into part of the roller surface through condensation phase change. The transfer process is stable and thorough, which is fundamentally different from the liquid oil-water mixture recovered by traditional methods. It not only reduces the frequency of equipment maintenance, but also improves the purity of the recovered grease, greatly enhancing the resource value and economic benefits.

[0023] like Figures 4 to 7 As shown, the moving assembly includes a movable seat 24 that is slidably installed in the processing box 1. There are two movable seats 24, which are respectively connected to the first mounting plate 22 and the second mounting plate 23. One of the movable seats 24 is internally threaded with a reciprocating screw 25, and a motor 26 is installed at one end of the reciprocating screw 25.

[0024] During operation, the reciprocating screw 25 is driven to rotate by the motor 26. When the reciprocating screw 25 rotates, it drives the moving seat 24 to move back and forth in the treatment box 1. When the moving seat 24 moves, it drives the oil-catching roller 21 to move back and forth on the surface of the sewage in the sewage chamber 15 through the first mounting plate 22, eliminating treatment dead corners and ensuring that the floating oil on the surface of all areas in the sewage chamber 15 can be treated in a timely manner.

[0025] The first mounting plate 22 and the second mounting plate 23 are slidably connected to the movable base 24; The main body of the oil scraper box 31 is made of PP or PVC plastic injection molding, which has a density less than water and thus has buoyancy. The bottom of the oil skimmer 31 can also be equipped with a buoyancy module, using closed-cell foam material (such as EPE pearl cotton, polyurethane foam) or sealed plastic / aluminum alloy floats. This reduces the overall weight, allowing the oil-catching roller 21, the first mounting plate 22, and the second mounting plate 23 to float slightly a certain distance on the sewage surface, adapting to liquid level fluctuations and creating calmer surface conditions for oil-water separation, thus indirectly improving separation efficiency.

[0026] like Figure 4 and Figure 7 As shown, the first rotating assembly includes a first rotating shaft 211 fixedly installed at both ends of the oil-catching roller 21. The two first rotating shafts 211 are respectively rotatably installed in the first mounting plate 22 and the second mounting plate 23. A first gear 212 is fixedly installed on the outer wall of one of the first rotating shafts 211. A second gear 213 is meshed at the top of the first gear 212. A third gear 214 is meshed at the top of the second gear 213. A rack plate 215 is meshed at the top of the third gear 214. The rack plate 215 is installed in the processing box 1.

[0027] The inner diameters of the second gear 213 and the first gear 212 are ten times the inner diameter of the third gear 214, where N is a positive integer. The transmission between these three gears reduces the rotational speed of the oil-catching roller 21. Since grease needs time to solidify from a liquid state, heat conduction and phase change are necessary. The low-speed rotation extends the residence time of the grease in the condensation zone on the surface of the oil-catching roller 21, ensuring it is sufficiently cooled to complete solidification or a high-viscosity state. During operation, when the first mounting plate 22 moves within the sewage chamber 15, the third gear 214 meshes with the rack plate 215 and rotates. The rotation of the third gear 214 drives the rotation of the second gear 213, which in turn drives the rotation of the first gear 212. The rotation of the first gear 212 drives the rotation of the first rotating shaft 211, thereby providing power for the rotation of the oil-catching roller 21. The rotation of the oil-catching roller 21 is a direct result of its movement, greatly simplifying the electrical and control systems.

[0028] The rack plate 215 is elastically installed in the sewage chamber 15 by the second spring. When the oil-catching roller 21, the first mounting plate 22 and the second mounting plate 23 float up and down, the rack plate 215 is always kept in mesh with the third gear 214 by the second spring, so as to ensure the stability of the rotation of the oil-catching roller 21.

[0029] like Figure 4 , Figure 6 and Figure 8 As shown, one end of each of the two oil scraper boxes 31 is fixedly connected by a fixing rod 32, which is slidably installed inside the second mounting plate 23.

[0030] The oil-catching roller 21, the first mounting plate 22, and the second mounting plate 23 are kept on the same horizontal plane by the connection of the fixing rod 32. When the oil-catching roller 21 moves to one side of the inner wall of the sewage chamber 15, the oil scraper box 31 on the side away from the oil-catching roller 21 comes into contact with the inner wall of the sewage chamber 15 and moves to one side of the sewage chamber 15 under force. Similarly, the other oil scraper box 31 moves to the side away from the oil-catching roller 21, so that the two oil scraper boxes 31 change their contact state with the oil-catching roller 21 when they are on both sides of the inner wall of the sewage chamber 15. This ensures that the opening direction of the two oil scraper boxes 31 matches the rotation direction of the oil collection roller 21, preventing the collected grease from being pushed back into the sewage due to malfunction.

[0031] By using two scraper boxes 31, it can be ensured that no matter the direction of movement of the oil-catching roller 21, there is always one scraper box 31 located "downstream" where the grease is transported, and it is scraped off, thereby improving processing efficiency.

[0032] like Figure 9 and Figure 11 As shown, the oil discharge assembly includes two rotating wheels 313 disposed inside the oil scraper box 31, and the two rotating wheels 313 are rotatably connected to the oil scraper box 31 through a second rotating assembly; A connecting plate 311 is fixedly connected between the two rotating wheels 313. Oil drain plates 312 are evenly installed at the bottom of the connecting plate 311. The oil drain plates 312 are movably installed inside the oil scraper box 31. The bottom of the oil scraper box 31 is connected to the oil storage box 317 through a connecting pipe 316. The oil storage box 317 is located at the bottom of the sewage chamber 15.

[0033] An oil drain port is provided on one side of the oil scraper 31, and the oil drain port is connected to the connecting pipe 316. During operation, the two rotating wheels 313 inside the oil scraper 31 are driven to rotate synchronously through the second rotating component. When the two rotating wheels 313 rotate, they drive several oil discharge plates 312 to move in a U-shape through the connecting plate 311, pushing the grease collected inside the oil scraper 31 towards the oil discharge port. Finally, the grease is discharged into the oil storage tank 317 through the connecting pipe 316, preventing the grease from accumulating inside the oil scraper 31. This achieves the separation of functions of "efficient collection in the small box and centralized temporary storage in the large box", thereby greatly improving the continuous operation, convenient maintenance and processing capacity of the entire system.

[0034] The connecting pipe 316 is designed to be flexible to ensure the stability of the connection between the oil scraper 31 and the oil storage tank 317 during movement.

[0035] like Figure 4 , Figure 9 , Figure 10 and Figure 11 As shown, the second rotating assembly includes a second rotating shaft 314 fixedly mounted on the outer wall of two rotating wheels 313. A first belt drive mechanism 315 is mounted on the outer wall of the two second rotating shafts 314. A third drive shaft 47 is connected to the outer wall of one of the second rotating shafts 314 through the second belt drive mechanism 48. A second bevel gear 46 is fixedly mounted on one end of the third drive shaft 47. A first bevel gear 45 meshes with one side of the second bevel gear 46. A second drive shaft 44 is fixedly mounted on the side wall of the first bevel gear 45. A first drive shaft 43 is connected to one end of the second drive shaft 44. A fifth gear 42 is fixedly mounted on the outer wall of the first drive shaft 43. A fourth gear 41 meshes with the top of the fifth gear 42. The fourth gear 41 meshes with the bottom of the rack plate 215.

[0036] During operation, the movement of the oil scraper 31 drives the fourth gear 41 to mesh with the rack plate 215 and rotate. The rotation of the fourth gear 41 drives the rotation of the fifth gear 42, which in turn drives the rotation of the first transmission shaft 43. The rotation of the first transmission shaft 43 drives the rotation of the second transmission shaft 44, which in turn drives the rotation of the first bevel gear 45. The rotation of the first bevel gear 45 drives the rotation of the second bevel gear 46, which in turn drives the rotation of the third transmission shaft 47. When the third transmission shaft 47 rotates, it drives one of the second rotating shafts 314 to rotate via the second belt drive mechanism 48. Then, it drives the two first belt drive mechanisms 315 to rotate synchronously via the first belt drive mechanism 315, thereby providing power to the oil discharge assembly. This eliminates the need to set up a separate motor 26, sensor, and control program for the oil discharge assembly, achieving "one motor driving two motors".

[0037] like Figures 9 to 12 As shown, a connecting sleeve shaft 51 is sleeved on the outer wall of the first drive shaft 43 and the second drive shaft 44. A limit plate 52 is rotatably installed on the outer wall of the connecting sleeve shaft 51. The limit plate 52 is elastically installed in the oil scraper box 31 by a first spring 54. A wedge-shaped rod 53 is provided on one side of the limiting plate 52, and the wedge-shaped rod 53 is fixedly installed on the outer wall of the second mounting plate 23.

[0038] Both the second drive shaft 44 and the first drive shaft 43 are equipped with locking blocks on their outer walls. During operation, the connecting sleeve shaft 51 covers the outer walls of the second drive shaft 44 and the first drive shaft 43 to drive the oil discharge assembly. The connecting sleeve shaft 51 inside the oil scraper box 31 that is in contact with the oil-catching roller 21 is not simultaneously located on the outer wall of the second drive shaft 44 and the first drive shaft 43, so the two do not drive each other, and the oil discharge assembly inside the oil scraper box 31 does not work. The connecting sleeve shaft 51 inside the oil scraper box 31, which is not in contact with the oil-catching roller 21, is located on the outer wall of both the second drive shaft 44 and the first drive shaft 43. The two drive each other, and the oil discharge assembly inside the oil scraper box 31 works. When the two oil scraper boxes 31 move to the inner walls of the sewage chamber 15 and change their contact with the oil-catching roller 21, the oil scraper box 31 that was originally in contact with the oil-catching roller 21 moves away from the oil-catching roller 21. The limiting plate 52 separates from the wedge rod 53, and the elastic potential energy released by the first spring 54 causes the limiting plate 52 to move back to its original position. This causes the connecting sleeve shaft 51 to move to the outer wall of the second drive shaft 44 and the first drive shaft 43, and the two drive each other. Similarly, the other connecting sleeve shaft 51 moves from the outer wall of the second drive shaft 44 and the first drive shaft 43 to the outer wall of the second drive shaft 44, and the two do not drive each other. Only the oil discharge component in the oil scraper box 31 that is not in contact with the oil-catching roller 21 can work, avoiding interference and congestion that may be caused by "simultaneous inflow and outflow". This ensures that each oil scraper box 31 has sufficient capacity and is in optimal condition when "collecting" and is focused and thorough when "draining", achieving time isolation between "collection" and "draining".

[0039] like Figure 1 , Figure 2 and Figure 3 As shown, a slag pusher plate 61 is slidably installed on the top of the filter plate 14. One side of the slag pusher plate 61 is connected to the movable end of the cylinder 62. The cylinder 62 is fixedly installed on the outer wall of the processing box 1. A slag collection box 63 is provided on one side of the filter plate 14, and the slag collection box 63 is slidably installed inside the treatment box 1.

[0040] After the impurities in the batch of wastewater are filtered out, the cylinder 62 drives the slag pusher 61 to move to one side of the slag collection box 63, pushing the large particles of impurities on the surface of the filter plate 14 into the slag collection box 63 for collection, which facilitates the subsequent centralized treatment of large particles of impurities and the separation of wastewater impurities again.

[0041] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An intelligent kitchen wastewater pretreatment device, comprising a treatment tank (1), an inlet (12) for feeding and a drain pipe (13) for discharging wastewater, wherein the treatment tank (1) is provided with a filter plate (14) and a wastewater chamber (15), and the filter plate (14) is located below the inlet (12); Its features are: The sewage chamber (15) is provided with an oil-catching roller (21), a first mounting plate (22), and a second mounting plate (23). The oil-catching roller (21) is provided with a condensation mechanism. The first mounting plate (22) and the second mounting plate (23) are slidably installed in the sewage chamber (15) through a moving component. The oil-catching roller (21) is located between the first mounting plate (22) and the second mounting plate (23). The oil-catching roller (21) is rotatably connected to the first mounting plate (22) and the second mounting plate (23) through a first rotating component. Oil scraping boxes (31) are provided on both sides of the oil-catching roller (21). Each of the two oil scraping boxes (31) has an opening on the opposite side. The opening of one of the oil scraping boxes (31) slides against the outer wall of the oil-catching roller (21). An oil discharge component is provided inside each of the two oil scraping boxes (31).

2. The intelligent kitchen wastewater pretreatment equipment according to claim 1, characterized in that: The moving component includes a movable seat (24) that is slidably installed in the processing box (1). There are two movable seats (24), which are respectively connected to the first mounting plate (22) and the second mounting plate (23). One of the movable seats (24) is internally threaded with a reciprocating screw (25), and a motor (26) is installed at one end of the reciprocating screw (25).

3. The intelligent kitchen wastewater pretreatment equipment according to claim 1, characterized in that: The first rotating assembly includes a first rotating shaft (211) fixedly installed at both ends of the oil-catching roller (21). The two first rotating shafts (211) are respectively rotatably installed in the first mounting plate (22) and the second mounting plate (23). A first gear (212) is fixedly installed on the outer wall of one of the first rotating shafts (211). A second gear (213) meshes with the top of the first gear (212). A third gear (214) meshes with the top of the second gear (213). A rack plate (215) meshes with the top of the third gear (214). The rack plate (215) is installed in the processing box (1).

4. The intelligent kitchen wastewater pretreatment equipment according to claim 1, characterized in that: One end of each of the two oil scraper boxes (31) is fixedly connected by a fixing rod (32), which is slidably installed in the second mounting plate (23).

5. The intelligent kitchen wastewater pretreatment equipment according to claim 1, characterized in that: The oil discharge assembly includes two rotating wheels (313) disposed inside the oil scraper box (31), and the two rotating wheels (313) are rotatably connected to the oil scraper box (31) through a second rotating assembly; A connecting plate (311) is fixedly connected between the two rotating wheels (313). Oil drain plates (312) are evenly installed at the bottom of the connecting plate (311). The oil drain plates (312) are movably installed in the oil scraper box (31). The bottom of the oil scraper box (31) is connected to the oil storage box (317) through a connecting pipe (316). The oil storage box (317) is located at the bottom of the sewage chamber (15).

6. The intelligent kitchen wastewater pretreatment equipment according to claim 5, characterized in that: The second rotating assembly includes a second rotating shaft (314) fixedly mounted on the outer wall of two rotating wheels (313). A first belt drive mechanism (315) is mounted on the outer wall of the two second rotating shafts (314). A third drive shaft (47) is connected to the outer wall of one of the second rotating shafts (314) through the second belt drive mechanism (48). A second bevel gear (46) is fixedly mounted on one end of the third drive shaft (47). A first bevel gear (45) meshes with one side of the second bevel gear (46). A second drive shaft (44) is fixedly mounted on the side wall of the first bevel gear (45). A first drive shaft (43) is connected to one end of the second drive shaft (44). A fifth gear (42) is fixedly mounted on the outer wall of the first drive shaft (43). A fourth gear (41) meshes with the top of the fifth gear (42). The fourth gear (41) meshes with the bottom of the rack plate (215).

7. The intelligent kitchen wastewater pretreatment equipment according to claim 6, characterized in that: A connecting sleeve shaft (51) is sleeved on the outer wall of the first drive shaft (43) and the second drive shaft (44). A limiting plate (52) is rotatably installed on the outer wall of the connecting sleeve shaft (51). The limiting plate (52) is elastically installed in the oil scraper box (31) by a first spring (54). A wedge rod (53) is provided on one side of the limiting plate (52), and the wedge rod (53) is fixedly installed on the outer wall of the second mounting plate (23).

8. The intelligent kitchen wastewater pretreatment equipment according to claim 1, characterized in that: A slag pusher plate (61) is slidably installed on the top of the filter plate (14). One side of the slag pusher plate (61) is connected to the movable end of the cylinder (62). The cylinder (62) is fixedly installed on the outer wall of the processing box (1). A slag collection box (63) is provided on one side of the filter plate (14), and the slag collection box (63) is slidably installed inside the processing box (1).

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