Kitchen waste oil-water separation and extraction device and method

Abstract

The invention provides a kitchen waste oil-water separation and extraction device which comprises a main body assembly, and a crushing assembly, a showering assembly, a dehydration assembly and a separation assembly are arranged in the main body assembly. Through cooperation of the crushing assembly, the showering assembly, the dehydration assembly and the separation assembly, the kitchen waste oil-water separation work can be automatically completed, and the automation and intelligent degree of kitchen waste treatment is improved. The kitchen waste can be crushed and decomposed through work of the crushing assembly, so that grease in the kitchen waste can be fully obtained, and the grease recovery rate is increased. The dewatering assembly works, the pressing plate is used for extruding the kitchen waste, the water and grease collecting speed is increased, and the water and grease collecting effect is improved. Through work of the separation assembly, separation work of grease, water and residues can be automatically completed, the grease and the water are discharged through different pipelines, and unified recycling treatment by workers is facilitated.

Description

Technical Field

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

[0002] Food waste, also known as kitchen waste or organic waste, mainly comes from the waste generated during food processing and consumption in households, restaurants, canteens and other catering places. Oil-water separation and extraction of food waste is one of the key technologies to achieve resource utilization and harmless treatment of food waste. Its core goal is to efficiently separate grease, water and solid residue from mixed waste and recycle the separated grease.

[0003] If the grease in kitchen waste is directly discharged into the sewer or natural environment, an oil film will form to cover the surface of the water body, hindering oxygen exchange, leading to ecological problems such as eutrophication of water bodies and fish deaths. After the untreated kitchen waste is landfilled, the grease will seep into the soil and destroy the soil structure, inhibit plant growth, and even endanger human health through the food chain. Therefore, a device and method for separating and extracting oil from kitchen waste are proposed. Summary of the invention

[0004] In view of this, the present invention provides a device and method for separating and extracting oil and water from kitchen waste to solve or alleviate one of the technical problems existing in the prior art and at least provide a beneficial option.

[0005] The technical solution of the embodiment of the present invention is implemented as follows: a kitchen waste oil-water separation and extraction device, comprising a main body component, wherein a crushing component, a shower component, a dehydration component and a separation component are arranged inside the main body component; the main body component comprises a shell, an electric guide rail, a slide, a guide rod, a limit block, a spring, a fixing seat, a connecting block, a hanging basket, a recovery tank, a baffle, a liquid level meter and a controller;

[0006] Two electric guide rails are symmetrically installed on the inner side wall of the shell, one side of the electric guide rail is slidably connected to a slide table, the inner side wall of the slide table is symmetrically slidably connected to two guide rods, the top end of the guide rod is fixedly connected to a limit block, the outer side wall of the guide rod is sleeved with a spring, the bottom end of the guide rod is fixedly connected to a fixing seat, the fixing seat is symmetrically provided with slots, the inside of the slot is provided with a connecting block, one side of the connecting block is fixedly connected to a hanging basket, the inner side wall of the shell is provided with a recovery groove, one side of the recovery groove is fixedly connected to a baffle, the inner side wall of the recovery groove is installed with a liquid level gauge, and the front surface of the shell is installed with a controller.

[0007] Further preferably: the crushing assembly comprises a feed port, a drive motor and a crushing roller;

[0008] A feed port is arranged on the top of the shell, a drive motor is symmetrically mounted on the front surface of the feed port, a crushing roller is symmetrically rotatably connected to the inner side wall of the feed port, and an output shaft of the drive motor is fixedly connected to one end of the crushing roller.

[0009] Further preferably: the shower assembly comprises a liquid storage tank, a liquid inlet pipe and a spray pipe;

[0010] The top of the shell is fixedly connected with a liquid storage tank, the bottom of the inner wall of the liquid storage tank is equipped with a heater and a temperature sensor, the top of the liquid storage tank is connected with a liquid inlet pipe, and the rear surface of the liquid storage tank is connected with a spray pipe.

[0011] Further preferably, a first pump is installed on the spray pipe, and spray heads are evenly installed on the outer side wall of the spray pipe.

[0012] Further preferably: the dehydration assembly comprises a hydraulic cylinder, a pressing plate and a supporting plate;

[0013] A hydraulic cylinder is installed on the top of the shell, a pressure plate is fixedly connected to the bottom end of the piston rod of the hydraulic cylinder, and a support plate is fixedly connected to the inner side wall of the shell.

[0014] Further preferably: the separation component comprises a first liquid return pipe and a first electric valve;

[0015] One side of the recovery tank is connected to a first liquid return pipe, and a first electric valve is installed on the first liquid return pipe.

[0016] Further preferably: the separation assembly further comprises a first liquid outlet pipe, a second pump, a cylinder, an ultrafiltration membrane, a second liquid return pipe and a one-way valve;

[0017] One side of the recovery tank is connected to a first liquid outlet pipe, on which a second pump is installed, one end of the first liquid outlet pipe is connected to a cylinder, an ultrafiltration membrane is fixedly connected to the inner wall of the cylinder, and an outer wall of the cylinder is connected to a second liquid return pipe, on which a one-way valve is installed.

[0018] Further preferably: the separation assembly further includes a second liquid outlet pipe, a third pump, a filter, an oil outlet pipe and a second electric valve;

[0019] The bottom of the cylinder is connected to a second liquid outlet pipe, a third pump is installed on the second liquid outlet pipe, one end of the second liquid outlet pipe is connected to a filter, the outer wall of the filter is connected to an oil outlet pipe, and a second electric valve is installed on the oil outlet pipe.

[0020] In addition, the present invention also provides a method for separating and extracting oil and water from kitchen waste, which is applied to a device for separating and extracting oil and water from kitchen waste, and comprises the following steps:

[0021] Step 1: Feed the food waste into the feed port, and drive the crushing roller to rotate through the driving motor to crush and decompose the food waste;

[0022] Step 2: The crushed kitchen waste falls into the hanging basket, and the electric guide rail drives the slide to move the hanging basket to the bottom of the spray pipe;

[0023] Step 3: The first pump is operated to deliver spray water containing demulsifier to the spray pipe, and the spray water is sprayed out through the spray head to wash the oil in the kitchen waste and make it fall into the recovery tank;

[0024] Step 4: After the oil and water are left to stand, the position of the oil-water separation interface in the recovery tank is detected by a liquid level meter, and the controller opens the first electric valve to discharge the spray water through the first liquid return pipe. The discharge is stopped after the oil-water separation interface drops to a certain height;

[0025] Step 5: The remaining oil-water mixture is transported to the cylinder through the second pump, filtered through the ultrafiltration membrane to remove excess water, and the excess water is discharged through the second liquid return pipe;

[0026] Step 6: The third pump conveys the recovered grease to the filter, through which solid impurities are filtered to obtain recovered grease, which is then delivered out through the oil outlet pipe.

[0027] Further preferably: in step three, the spray water is heated to 60-80° C. by a heater in the liquid storage tank.

[0028] The embodiment of the present invention has the following advantages due to the adoption of the above technical solution:

[0029] 1. The present invention can automatically complete the oil-water separation of kitchen waste through the coordination of a crushing component, a flushing component, a dehydration component and a separation component, thereby improving the automation and intelligence of kitchen waste treatment.

[0030] 2. The present invention can break up and decompose the food waste through the crushing component, so as to fully obtain the grease in the food waste and improve the grease recovery rate.

[0031] 3. The present invention works through the dehydration component and utilizes the pressing plate to squeeze the food waste, thereby accelerating the collection speed of water and grease and improving the collection effect of water and grease.

[0032] Fourth, the present invention can automatically complete the separation of grease, water and residue by working through the separation component, and the grease and water are discharged through different pipelines, which is convenient for the staff to uniformly recycle and process.

[0033] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] 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 technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0035] Figure 1 It is a structural diagram of the present invention;

[0036] Figure 2 It is a structural diagram of the liquid storage tank of the present invention;

[0037] Figure 3 It is a structural diagram of the spray pipe and the pressing plate of the present invention;

[0038] Figure 4 It is a structural diagram of the slide table of the present invention;

[0039] Figure 5 It is a diagram showing the internal structure of the housing of the present invention;

[0040] Figure 6 It is a structural diagram of the separation component of the present invention;

[0041] Figure 7 It is a diagram of the internal structure of the cylinder of the present invention.

[0042] Figure numerals: 10, main assembly; 11, housing; 12, electric guide rail; 13, slide; 14, guide rod; 15, limit block; 16, spring; 17, fixed seat; 18, connecting block; 19, hanging basket; 110, recovery tank; 111, baffle; 112, liquid level meter; 113, controller; 20, crushing assembly; 21, feed port; 22, drive motor; 23, crushing roller; 30, shower assembly; 31, liquid storage tank; 32, liquid inlet pipe; 33, spray pipe; 34, the first pump; 35, the sprinkler head; 40, the dehydration assembly; 41, the hydraulic cylinder; 42, the pressure plate; 43, the support plate; 50, the separation assembly; 51, the first return pipe; 52, the first electric valve; 53, the first liquid outlet pipe; 54, the second pump; 55, the cylinder; 56, the ultrafiltration membrane; 57, the second return pipe; 58, the one-way valve; 59, the second liquid outlet pipe; 510, the third pump; 511, the filter; 512, the oil outlet pipe; 513, the second electric valve. DETAILED DESCRIPTION

[0043] The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

[0044] It should be clear that the following embodiments of the present disclosure are described by specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all of the embodiments. The present disclosure can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that the following embodiments and features in the embodiments can be combined with each other in the absence of conflict. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present disclosure.

[0045] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein may be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present disclosure, it should be understood by those skilled in the art that an aspect described herein may be implemented independently of any other aspect, and two or more of these aspects may be combined in various ways. For example, any number of aspects described herein may be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein may be used to implement this device and / or practice this method.

[0046] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present disclosure. The drawings only show components related to the present disclosure rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0047] Additionally, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects described may be practiced without these specific details.

[0048] like Figure 1-Figure 7As shown, an embodiment of the present invention provides a kitchen waste oil-water separation and extraction device, including a main body component 10, wherein a crushing component 20, a shower component 30, a dehydration component 40 and a separation component 50 are arranged inside the main body component 10; the main body component 10 includes a housing 11, an electric guide rail 12, a slide 13, a guide rod 14, a limit block 15, a spring 16, a fixing seat 17, a connecting block 18, a hanging basket 19, a recovery tank 110, a baffle 111, a liquid level meter 112 and a controller 113;

[0049] Two electric guide rails 12 are symmetrically installed on the inner side wall of the shell 11, and a slide 13 is slidably connected to one side of the electric guide rail 12. The inner side wall of the slide 13 is symmetrically slidably connected to two guide rods 14. The top of the guide rod 14 is fixedly connected to a limit block 15. The outer side wall of the guide rod 14 is sleeved with a spring 16. The bottom end of the guide rod 14 is fixedly connected to a fixed seat 17. The fixed seat 17 is symmetrically provided with a card slot, and a connecting block 18 is provided inside the card slot. A hanging basket 19 is fixedly connected to one side of the connecting block 18. A recovery groove 110 is provided on the inner side wall of the shell 11, and a baffle 111 is fixedly connected to one side of the recovery groove 110. The inner A liquid level gauge 112 is installed on the side wall, a controller 113 is installed on the front surface of the shell 11, and a motor is installed on one side of the electric guide rail 12 for driving the electric guide rail 12 to work. During the movement of the slide 13, the hanging basket 19 is driven to move together. The spring 16 is used to increase the height of the hanging basket 19 so that the hanging basket 19 can move above the support plate 43. The controller 113 is connected to the liquid level gauge 112 and the temperature sensor signal in the liquid storage tank 31 to receive the liquid level and temperature signals. At the same time, the controller 113 is electrically connected to the electric guide rail 12, the drive motor 22, the pump, the hydraulic cylinder 41 and the electric valve, and can control the working status of each electrical equipment.

[0050] In this embodiment, specifically: the crushing assembly 20 includes a feed port 21, a drive motor 22 and a crushing roller 23;

[0051] A feed port 21 is provided at the top of the shell 11, and a drive motor 22 is symmetrically installed on the front surface of the feed port 21. A crushing roller 23 is symmetrically rotatably connected to the inner wall of the feed port 21. The output shaft of the drive motor 22 is fixedly connected to one end of the crushing roller 23. The drive motor 22, the pump, the hydraulic cylinder 41 and the electric valve are all connected to the external mains electricity and are powered by the mains electricity.

[0052] In this embodiment, specifically: the shower assembly 30 includes a liquid storage tank 31, a liquid inlet pipe 32 and a spray pipe 33;

[0053] A liquid storage tank 31 is fixedly connected to the top of the shell 11, and a heater and a temperature sensor are installed at the bottom of the inner wall of the liquid storage tank 31. The top of the liquid storage tank 31 is connected to a liquid inlet pipe 32, and the rear surface of the liquid storage tank 31 is connected to a spray pipe 33. The heater is used to heat the temperature of the spray water so as to increase the temperature of the grease during spraying, thereby increasing the fluidity of the grease and fully recovering the grease.

[0054] In this embodiment, specifically: a first pump 34 is installed on the spray pipe 33, and spray heads 35 are evenly installed on the outer wall of the spray pipe 33. Multiple groups of spray heads 35 can evenly spray the kitchen waste.

[0055] In this embodiment, specifically: the dehydration assembly 40 includes a hydraulic cylinder 41, a pressing plate 42 and a supporting plate 43;

[0056] A hydraulic cylinder 41 is installed on the top of the shell 11, and the bottom end of the piston rod of the hydraulic cylinder 41 is fixedly connected to a pressure plate 42, and the inner wall of the shell 11 is fixedly connected to a support plate 43. When the food waste in the hanging basket 19 is compressed and dehydrated by the pressure plate 42, the support plate 43 can provide support to assist in completing the dehydration work.

[0057] In this embodiment, specifically: the separation component 50 includes a first liquid return pipe 51 and a first electric valve 52;

[0058] One side of the recovery tank 110 is connected to a first liquid return pipe 51 , on which a first electric valve 52 is installed. The spray water discharged from the first liquid return pipe 51 is uniformly recovered and reused by the staff, thereby reducing energy consumption and waste of resources.

[0059] In this embodiment, specifically: the separation assembly 50 further includes a first liquid outlet pipe 53, a second pump 54, a cylinder 55, an ultrafiltration membrane 56, a second liquid return pipe 57 and a one-way valve 58;

[0060] One side of the recovery tank 110 is connected to a first liquid outlet pipe 53, on which a second pump 54 is installed, one end of the first liquid outlet pipe 53 is connected to a cylinder 55, an inner wall of the cylinder 55 is fixedly connected to an ultrafiltration membrane 56, an outer wall of the cylinder 55 is connected to a second liquid return pipe 57, on which a one-way valve 58 is installed, and the remaining water and grease are filtered through the ultrafiltration membrane 56, and the one-way valve 58 can control the flow direction of the spray water.

[0061] In this embodiment, specifically: the separation assembly 50 further includes a second liquid outlet pipe 59, a third pump 510, a filter 511, an oil outlet pipe 512 and a second electric valve 513;

[0062] The bottom of the cylinder 55 is connected to a second liquid outlet pipe 59, on which a third pump 510 is installed, one end of the second liquid outlet pipe 59 is connected to a filter 511, the outer wall of the filter 511 is connected to an oil outlet pipe 512, on which a second electric valve 513 is installed, and the recovered grease is transported to the filter 511, and solid impurities are filtered out by the filter 511 to obtain pure recovered grease.

[0063] In addition, the present invention also provides a method for separating and extracting oil and water from kitchen waste, which is applied to a device for separating and extracting oil and water from kitchen waste, and comprises the following steps:

[0064] Step 1: Feed the food waste into the feed port 21, and drive the crushing roller 23 to rotate by the driving motor 22 to crush and decompose the food waste;

[0065] Step 2: The crushed kitchen waste falls into the hanging basket 19, and the electric guide rail 12 drives the slide 13 to move the hanging basket 19 to the bottom of the spray pipe 33;

[0066] Step 3: The first pump 34 operates to deliver spray water containing demulsifier to the spray pipe 33, and the spray water is sprayed out through the spray head 35 to wash the oil in the food waste and make it fall into the recovery tank 110;

[0067] Step 4: After the oil and water are left to stand, the position of the oil-water separation interface in the recovery tank 110 is detected by the liquid level meter 112, and the controller 113 opens the first electric valve 52 to discharge the spray water through the first liquid return pipe 51. The discharge is stopped when the oil-water separation interface drops to a certain height;

[0068] Step 5: The remaining oil-water mixture is transported to the cylinder 55 through the second pump 54, filtered through the ultrafiltration membrane 56 to remove excess water, and the excess water is discharged through the second liquid return pipe 57;

[0069] Step six: the third pump 510 delivers the recovered grease to the filter 511 , through which solid impurities are filtered to obtain recovered grease, which is then delivered out through the oil outlet pipe 512 .

[0070] In this embodiment, specifically: in step three, the spray water is heated to 60-80° C. by the heater in the liquid storage tank 31 .

[0071] When the present invention is in operation, the food waste is fed into the feed port 21, the crushing roller 23 is driven to rotate by the driving motor 22, the food waste is crushed and decomposed, the volume of the food waste is reduced, so that the surface of the food waste can be fully washed by the spray water, the crushed food waste falls into the hanging basket 19, the slide 13 is driven to move by the electric guide rail 12, the hanging basket 19 is moved to the bottom of the spray pipe 33, the spray water is heated to 80°C by the heater in the liquid storage tank 31, the first pump 34 is operated to deliver the spray water containing the demulsifier to the spray pipe 33, the spray water is sprayed through the spray head 35, the oil on the surface of the food waste is washed, and the oil falls into the recovery tank 110, after the spraying is completed, the hanging basket 19 moves to the pressing plate 42, the hydraulic cylinder 41 drives the pressing plate 42 to compress the food waste to complete the dehydration of the food waste. After the oil and water are left to stand, the position of the oil-water separation interface in the recovery tank 110 is detected by the liquid level meter 112, and the controller 113 opens the first electric valve 52 to discharge the spray water through the first return pipe 51. The discharge is stopped after the oil-water separation interface drops to a certain height, and the remaining oil-water mixture is transported to the cylinder 55 through the second pump 54, filtered through the ultrafiltration membrane 56 to remove excess water, and the excess water is discharged through the second return pipe 57. The third pump 510 transports the recovered grease to the filter 511, and the solid impurities are filtered through the filter 511 to obtain pure recovered grease, which is sent out through the oil outlet pipe 512.

[0072] The present invention can automatically complete the oil-water separation of kitchen waste by cooperating with the crushing component 20, the flushing component 30, the dehydration component 40 and the separation component 50, thereby improving the automation and intelligence of kitchen waste treatment.

[0073] The present invention can break and decompose the food waste through the operation of the crushing component 20, so as to fully obtain the grease in the food waste and improve the grease recovery rate.

[0074] The present invention works through the dehydration component 40 and utilizes the pressing plate 42 to squeeze the food waste, thereby accelerating the collection speed of water and grease and improving the collection effect of water and grease.

[0075] The present invention can automatically complete the separation of grease, water and residue by working through the separation component 50, and the grease and water are discharged through different pipelines, which is convenient for the staff to uniformly recycle and process.

[0076] The basic principles of the present disclosure are described above in conjunction with specific embodiments. However, it should be noted that the advantages, strengths, effects, etc. mentioned in the present disclosure are only examples and not limitations, and it cannot be considered that these advantages, strengths, effects, etc. are required by each embodiment of the present disclosure. In addition, the specific details disclosed above are only for the purpose of illustration and ease of understanding, and are not limitations. The above details do not limit the present disclosure to the necessity of adopting the above specific details to be implemented.

[0077] In the present disclosure, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. The block diagrams of the devices, devices, equipment, and systems involved in the present disclosure are only illustrative examples and are not intended to require or imply that they must be connected, arranged, and configured in the manner shown in the block diagram. As will be appreciated by those skilled in the art, these devices, devices, equipment, and systems can be connected, arranged, and configured in any manner. Words such as "including", "comprising", "having", etc. are open words, referring to "including but not limited to", and can be used interchangeably with them. The words "or" and "and" used here refer to the words "and / or" and can be used interchangeably with them, unless the context clearly indicates otherwise. The words "such as" used here refer to the phrase "such as but not limited to", and can be used interchangeably with them.

[0078] Additionally, as used herein, "or" used in a list of items beginning with "at least one" indicates a separate list, so that, for example, a list of "at least one of A, B, or C" means A or B or C, or AB or AC or BC, or ABC (i.e., A and B and C). Furthermore, the word "exemplary" does not mean that the example described is preferred or better than other examples.

[0079] It should also be noted that in the system and method of the present disclosure, each component or each step can be decomposed and / or recombined. Such decomposition and / or recombination should be regarded as equivalent solutions of the present disclosure.

[0080] Various changes, substitutions, and modifications of the techniques described herein may be made without departing from the teachings defined by the appended claims. Furthermore, the scope of the claims of the present disclosure is not limited to the specific aspects of the processes, machines, manufactures, compositions of events, means, methods, and actions described above. Currently existing or later to be developed processes, machines, manufactures, compositions of events, means, methods, or actions that perform substantially the same functions or achieve substantially the same results as the corresponding aspects described herein may be utilized. Thus, the appended claims include such processes, machines, manufactures, compositions of events, means, methods, or actions within their scope.

[0081] The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present disclosure. Various modifications to these aspects will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other aspects without departing from the scope of the present disclosure. Therefore, the present disclosure is not intended to be limited to the aspects shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

[0082] The above description has been given for the purpose of illustration and description. In addition, this description is not intended to limit the embodiments of the present disclosure to the forms disclosed herein. Although multiple example aspects and embodiments have been discussed above, those skilled in the art will recognize certain variations, modifications, changes, additions and sub-combinations thereof.

Claims

1. A kitchen waste oil-water separation and extraction device, comprising a main assembly (10), characterized in that: The main body component (10) is provided with a crushing component (20), a shower component (30), a dehydration component (40) and a separation component (50) inside; the main body component (10) comprises a housing (11), an electric guide rail (12), a slide (13), a guide rod (14), a limit block (15), a spring (16), a fixing seat (17), a connecting block (18), a hanging basket (19), a recovery tank (110), a baffle (111), a liquid level meter (112) and a controller (113); Two electric guide rails (12) are symmetrically mounted on the inner side wall of the shell (11); a slide table (13) is slidably connected to one side of the electric guide rail (12); two guide rods (14) are symmetrically slidably connected to the inner side wall of the slide table (13); the top end of the guide rod (14) is fixedly connected to a limit block (15); the outer side wall of the guide rod (14) is sleeved with a spring (16); the bottom end of the guide rod (14) is fixedly connected to a fixing seat (17); a card slot is symmetrically provided on the fixing seat (17); a connecting block (18) is provided inside the card slot; a hanging basket (19) is fixedly connected to one side of the connecting block (18); a recovery groove (110) is provided on the inner side wall of the shell (11); a baffle (111) is fixedly connected to one side of the recovery groove (110); a liquid level meter (112) is mounted on the inner side wall of the recovery groove (110); and a controller (113) is mounted on the front surface of the shell (11).

2. The device for separating oil and water from kitchen waste according to claim 1, characterized in that: The crushing assembly (20) comprises a feed port (21), a drive motor (22) and a crushing roller (23); A feed port (21) is provided at the top of the shell (11), a drive motor (22) is symmetrically mounted on the front surface of the feed port (21), a crushing roller (23) is symmetrically rotatably connected to the inner side wall of the feed port (21), and an output shaft of the drive motor (22) is fixedly connected to one end of the crushing roller (23).

3. The device for separating oil and water from kitchen waste according to claim 1, characterized in that: The shower assembly (30) comprises a liquid storage tank (31), a liquid inlet pipe (32) and a shower pipe (33); The top of the shell (11) is fixedly connected to a liquid storage tank (31), the bottom of the inner wall of the liquid storage tank (31) is equipped with a heater and a temperature sensor, the top of the liquid storage tank (31) is connected to a liquid inlet pipe (32), and the rear surface of the liquid storage tank (31) is connected to a spray pipe (33).

4. The device for separating oil and water from kitchen waste according to claim 3, characterized in that: A first pump (34) is installed on the spray pipe (33), and spray heads (35) are evenly installed on the outer side wall of the spray pipe (33).

5. The device for separating oil and water from kitchen waste according to claim 1, characterized in that: The dehydration assembly (40) comprises a hydraulic cylinder (41), a pressing plate (42) and a supporting plate (43); A hydraulic cylinder (41) is installed on the top of the housing (11); a pressure plate (42) is fixedly connected to the bottom end of the piston rod of the hydraulic cylinder (41); and a support plate (43) is fixedly connected to the inner side wall of the housing (11).

6. The device for separating oil and water from kitchen waste according to claim 1, characterized in that: The separation assembly (50) comprises a first liquid return pipe (51) and a first electric valve (52); One side of the recovery tank (110) is connected to a first liquid return pipe (51), and a first electric valve (52) is installed on the first liquid return pipe (51).

7. The device for separating oil and water from kitchen waste according to claim 6, characterized in that: The separation assembly (50) further comprises a first liquid outlet pipe (53), a second pump (54), a cylinder (55), an ultrafiltration membrane (56), a second liquid return pipe (57) and a one-way valve (58); One side of the recovery tank (110) is connected to a first liquid outlet pipe (53), a second pump (54) is installed on the first liquid outlet pipe (53), one end of the first liquid outlet pipe (53) is connected to a cylinder (55), an ultrafiltration membrane (56) is fixedly connected to the inner wall of the cylinder (55), and the outer wall of the cylinder (55) is connected to a second liquid return pipe (57), and a one-way valve (58) is installed on the second liquid return pipe (57).

8. The device for separating oil and water from kitchen waste according to claim 7, characterized in that: The separation assembly (50) further comprises a second liquid outlet pipe (59), a third pump (510), a filter (511), an oil outlet pipe (512) and a second electric valve (513); The bottom of the cylinder (55) is connected to a second liquid outlet pipe (59), a third pump (510) is installed on the second liquid outlet pipe (59), one end of the second liquid outlet pipe (59) is connected to a filter (511), the outer wall of the filter (511) is connected to an oil outlet pipe (512), and a second electric valve (513) is installed on the oil outlet pipe (512).

9. A method for separating and extracting oil and water from kitchen waste, applied to a device for separating and extracting oil and water from kitchen waste as claimed in any one of claims 1 to 8, characterized in that: The following steps are involved: Step 1: Feed the food waste into the feed port (21), and drive the crushing roller (23) to rotate by the driving motor (22) to crush and decompose the food waste; Step 2: The crushed kitchen waste falls into the hanging basket (19), and the electric guide rail (12) drives the slide (13) to move, so that the hanging basket (19) is moved to the bottom of the spray pipe (33); Step 3: The first pump (34) operates to deliver spray water containing a demulsifier to the spray pipe (33); the spray water is sprayed out through the spray head (35) to wash away the oil in the food waste and make it fall into the recovery tank (110); after the spraying is completed, the hanging basket (19) moves to the bottom of the pressing plate (42); the pressing plate (42) is driven by the hydraulic cylinder (41) to compress the food waste, thereby completing the dehydration of the food waste; Step 4: After the oil and water in the recovery tank (110) are left to stand, the position of the oil-water separation interface in the recovery tank (110) is detected by the liquid level meter (112), and the controller (113) opens the first electric valve (52) to discharge the spray water through the first liquid return pipe (51), and stops discharging after the oil-water separation interface drops to a certain height; Step 5: The remaining oil-water mixture is transported to the cylinder (55) through the second pump (54), filtered through the ultrafiltration membrane (56) to remove excess water, and the excess water is discharged through the second liquid return pipe (57); Step six: The third pump (510) delivers the recovered grease to the filter (511), and the solid impurities are filtered through the filter (511) to obtain the recovered grease, which is then delivered through the oil outlet pipe (512).

10. The method for separating oil and water from kitchen waste according to claim 9, characterized in that: In step three, the spray water is heated to 60-80° C. by the heater in the liquid storage tank (31).

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