Kitchen waste residue deoiling device and residue deoiling method

Abstract

The present invention relates to a kitchen waste slag deoiling device and a slag deoiling method thereof, comprising a housing component, at least one microwave heating and inactivation component, a heating component, at least one lifting and stirring component, a slag salvaging component, a floating oil suction component, a control component, a temperature measuring component, an inlet and outlet component and an inlet and outlet door component. The present invention can remove and collect most of the grease in solid kitchen waste. The present invention first soaks in water to remove the slag through the slag salvaging component, and then heats the solid kitchen waste by the heating component and the microwave heating and inactivation component, so that the fat in the solid kitchen waste is heated to discharge a large amount of grease and float on the oil-water mixed layer, and then the floating oil suction component is used to absorb the oil. At the same time, the microwave heating and inactivation component uses microwaves to kill bacteria, viruses and living cells in the kitchen waste to reduce the harm; the design of the control component can control the other components to work in a step sequence, without manual operation throughout the process, and has a high degree of automation.

Description

Technical Field

[0001] The invention belongs to the technical field of garbage disposal, and in particular relates to a kitchen garbage residue deoiling device and a kitchen garbage residue deoiling method. Background Art

[0002] As people's living standards continue to improve, their requirements for catering are also increasing. Food culture is also a kind of Chinese culture. If garbage is discharged directly, it will pollute the environment and easily cause waste of resources.

[0003] Existing kitchen waste treatment devices process the waste by crushing, pulverizing and solid-liquid separation, and then the liquid wastewater is deoiled by oil-water separation, and the solid waste is dried by a microwave drying device; however, the fat and grease in the solid waste are not discharged, resulting in a waste of oil resources. Summary of the invention

[0004] The purpose of the present invention is to provide a device and method for removing oil from kitchen waste residues, which can remove and collect most of the oil in solid kitchen waste and kill bacteria, viruses and living cells in the kitchen waste to reduce the harm.

[0005] A kitchen waste slag removal and oil removal device comprises a housing component, at least one microwave heating and inactivation component, a heating component, at least one lifting and stirring component, a slag salvaging component, a floating oil suction component, a control component, a temperature measurement component, an inlet and outlet component and an inlet and outlet door component;

[0006] The inlet and outlet assembly is arranged on the side of the shell assembly and is connected with the inside of the shell assembly. The inlet and outlet assembly is provided with an inlet and outlet door assembly. The heating assembly is arranged on the bottom surface of the shell assembly. The upper, middle and lower parts of the shell assembly are respectively a scum layer, an oil-water mixed layer and a food waste deposition layer. The lifting and stirring assembly is arranged above the shell assembly and the stirring shaft of the lifting and stirring assembly passes through the scum layer and the oil-water mixed layer from the top of the shell assembly in sequence and extends into the food waste deposition layer. The spiral blades on the stirring shaft of the lifting and stirring assembly are in the shell assembly. The scum salvage assembly is arranged above the corresponding scum layer in the shell assembly, and is used to salvage plastic and light garbage floating on the scum layer. The suction pipe of the floating oil suction assembly floats on the surface of the oil-water mixed layer. A microwave heating inactivation assembly is arranged on the outer surface of the shell assembly. The temperature measuring assembly penetrates the shell assembly and extends into the food waste deposition layer in the shell assembly, and is used to measure the temperature in the food waste deposition layer. The control assembly is respectively connected with the heating assembly, the lifting and stirring assembly, the microwave heating inactivation assembly, the floating oil suction assembly, the scum salvage assembly and the temperature measuring assembly.

[0007] In one embodiment, the control component can control the heating component to heat, maintain a constant temperature, and stop working.

[0008] In one embodiment, the number of microwave heating inactivation components is four, and the four microwave heating inactivation components are symmetrically distributed on the outer surface of the shell component.

[0009] In one embodiment, the number of the lifting and stirring components is two, and the two stirring shafts of the two lifting and stirring components are evenly distributed in the shell component.

[0010] A method for removing oil from kitchen waste by using the above-mentioned kitchen waste slag removal device comprises the following steps:

[0011] 1) After feeding the bulk solid food waste into the shell assembly through the inlet and outlet assembly, close the inlet and outlet door assembly, and then soak it in water. The water level should be 10cm to 15cm higher than the highest surface of the solid food waste accumulation, and let it stand for 25-30 minutes;

[0012] 2) The control component controls the start-up of the lifting and stirring component to stir the solid food waste. Plastics and light waste in the solid food waste gradually rise and float to the scum layer under the action of buoyancy to become scum;

[0013] While stirring, the control component controls the scum salvaging component to start working and salvage the scum;

[0014] 3) After the scum is salvaged, the control component controls the heating component to heat at a heating rate of 3°C / min from room temperature. When the temperature in the food waste sediment layer is heated to 50°C~55°C, the control component controls the heating component to stop heating and perform the first insulation according to the data fed back by the temperature measuring component. At the same time, the microwave heating inactivation component is started to perform auxiliary heating and microwave inactivation, and the insulation is carried out for 40 minutes, so that all the solid food waste is heated evenly.

[0015] 4) After the first heat preservation is completed, the control component starts the heating component again to heat up at a heating rate of 5°C / min. When the temperature of the food waste sediment layer is heated to 90°C~95°C, the control component controls the microwave heating inactivation component and the heating component to perform a second heat preservation in the temperature range according to the data fed back by the temperature measurement component. The heat preservation lasts for 120 minutes. After being heated, the fat in the solid food waste will discharge a large amount of grease and float in the oil-water mixed layer to become floating oil;

[0016] During the second heat preservation, the control component controls the start of the floating oil suction component to suck away the floating oil in the oil-water mixed layer;

[0017] 5) After the floating oil is sucked away, the control component controls the microwave heating inactivation component and the heating component to continue heating at a heating rate of 5°C / min. When the temperature of the food waste deposition layer rises to 105°C, the control component controls the heating component and the microwave heating inactivation component to stop working according to the data fed back by the temperature measuring component, and the solid food waste residue removal and oil removal work is completed.

[0018] Advantages and beneficial effects of the present invention:

[0019] The present invention can remove and collect most of the grease in solid kitchen waste. The shell assembly, heating assembly, microwave heating inactivation assembly, scum salvage assembly and floating oil suction assembly of the present invention are designed. First, water is added to soak the scum and the scum is removed by the scum salvage assembly. Then, the heating assembly and the microwave heating inactivation assembly are used to heat the solid kitchen waste. After that, a large amount of grease is discharged and floats on the oil-water mixed layer. Then, the floating oil suction assembly is used to absorb the oil. The oil removal rate is high and the amount of oil collected is large. At the same time, the microwave heating inactivation assembly uses microwaves to kill bacteria, viruses and living cells in the kitchen waste, thereby reducing the harm. The design of the control assembly of the present invention can control the other components to work in a step sequence, without manual operation throughout the process, and has a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is the main cross-sectional view of the present invention.

[0021] Figure 2 It is a top view of the present invention.

[0022] Figure 3 It is a side view of the present invention. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0024] It should be noted that when an element is considered to be "set" on another element, it can be directly set or connected to the other element or there can be a central element at the same time. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there can be a central element at the same time.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used in the specification are only for describing specific implementation purposes and are not intended to limit the present invention.

[0026] Example 1

[0027] See also Figure 1 to Figure 2 A kitchen waste residue removal and oil removal device comprises a shell component 1, four microwave heating and inactivation components 2, a heating component 3, two lifting and stirring components 4, a scum salvaging component 5, a floating oil suction component 6, a control component 7, a temperature measuring component 8, an inlet and outlet component 9 and an inlet and outlet door component 10.

[0028] The inlet and outlet port assembly 9 is arranged on the side of the shell assembly 1 and is connected to the inside of the shell assembly 1 , and an inlet and outlet door assembly 10 is provided at the inlet and outlet port assembly 9 .

[0029] Specifically, the heating component 3 is arranged on the bottom surface of the shell component 1, and the upper, middle and lower parts of the shell component 1 are the scum layer 11, the oil-water mixed layer 12 and the food waste sediment layer 13 respectively. The lifting and stirring component 4 is arranged above the shell component 1, and the stirring shaft 14 of the lifting and stirring component 4 passes through the scum layer 11 and the oil-water mixed layer 12 from the top of the shell component 1 and extends into the food waste sediment layer 13, and the spiral blade 15 on the stirring shaft 14 of the lifting and stirring component 4 is in the shell component 1. The scum salvage component 5 is arranged above the corresponding scum layer 11 in the shell component 1, and is used to salvage the plastic and light garbage floating on the scum layer. The suction pipe 16 of the floating oil suction component 6 floats on the surface of the oil-water mixed layer 12. A microwave heating inactivation component 2 is provided on the outer surface of the shell component 1. The temperature measuring component 8 penetrates the shell component 1 and extends into the food waste sediment layer 13 in the shell component 1, and is used to measure the temperature in the food waste sediment layer 13. The control component 7 is connected to the heating component 3, the lifting and stirring component 4, the microwave heating and inactivation component 2, the floating oil suction component 6, the scum salvaging component 5, and the temperature measuring component 8 respectively.

[0030] The control component 7 can control the heating component 3 to heat, maintain a constant temperature, and stop working.

[0031] Specifically, four microwave heating inactivation components 2 are symmetrically arranged on the outer surface of the housing component 1. Figure 1 The two stirring shafts 14 of the two lifting and stirring components 4 are evenly distributed in the shell component.

[0032] The stirring shaft 14 of one of the two lifting and stirring components 4 is located on the left side of the shell component 1 , and the stirring shaft 14 of the other lifting and stirring component 4 is located on the right side of the shell component 1 .

[0033] A method for removing oil from kitchen waste by using the above-mentioned kitchen waste slag removal device comprises the following steps:

[0034] 1) After the bulk solid food waste is fed into the housing assembly 1 through the inlet and outlet assembly 9, the inlet and outlet door assembly 10 is closed, and then water is added to soak the solid food waste, with the water level being 10 cm to 15 cm higher than the highest surface of the solid food waste accumulation, and the solid food waste is left to stand for 25-30 minutes.

[0035] 2) The control component 7 controls the start-up of the lifting and stirring component 4 to stir the solid food waste, and the plastic and light waste in the solid food waste gradually rise and float to the scum layer 11 under the action of buoyancy to become scum;

[0036] While stirring, the control component 7 controls the scum salvaging component 5 to start working and salvage the scum.

[0037] 3) After the scum is salvaged, the control component 7 controls the heating component 3 to start heating at a heating rate of 3°C / min from room temperature. When the temperature in the food waste deposition layer 13 is heated to 50°C-55°C, the control component 7 controls the heating component 3 to stop heating and perform the first heat preservation according to the data fed back by the temperature measuring component 8, and at the same time starts the microwave heating inactivation component 2 to perform auxiliary heating and microwave inactivation, and keeps warm for 40 minutes, so that all the solid food waste is heated evenly.

[0038] 4) After the first heat preservation is completed, the control component 7 starts the heating component 3 again to heat up at a heating rate of 5°C / min. When the temperature of the food waste deposition layer 13 is heated to 90°C to 95°C, the control component 7 controls the microwave heating inactivation component 2 and the heating component 3 to perform a second heat preservation in the temperature range according to the data fed back by the temperature measuring component 8. The heat preservation is carried out for 120 minutes. After being heated, the fat in the solid food waste will discharge a large amount of grease and float in the oil-water mixed layer 12 to become floating oil;

[0039] During the second heat preservation, the control component 7 controls the opening of the floating oil suction component 6 to suck away the floating oil in the oil-water mixed layer 12.

[0040] 5) After the floating oil is sucked away, the control component 7 controls the microwave heating inactivation component 2 and the heating component 3 to continue heating at a heating rate of 5°C / min. When the temperature of the food waste deposition layer rises to 105°C, the control component 7 controls the heating component 3 and the microwave heating inactivation component 2 to stop working according to the data fed back by the temperature measuring component 8, and then opens the inlet and outlet door component 10, and the garbage in the food waste deposition layer 13 is discharged from the inlet and outlet component 9, and the solid food waste residue removal work is completed.

[0041] Advantages and beneficial effects of the present invention:

[0042] The present invention can remove and collect most of the grease in solid kitchen waste. The design of the housing component 1, the heating component 3, the microwave heating inactivation component 2, the scum salvage component 5, and the floating oil suction component 6 of the present invention is to first soak the solid kitchen waste with water to remove the scum through the scum salvage component 5, and then heat the solid kitchen waste by the heating component 3 and the microwave heating inactivation component 2, so that the fat in the solid kitchen waste is heated and a large amount of grease is discharged and floats on the oil-water mixed layer 12, and then the floating oil suction component 6 is used to absorb the oil, so that the oil removal rate is high and the amount of oil collected is large. At the same time, the microwave heating inactivation component 2 uses microwaves to kill bacteria, viruses and living cells in the kitchen waste, thereby reducing the harm. The design of the control component 7 of the present invention can control the other components to work in a step sequence, without manual operation throughout the process, and has a high degree of automation.

[0043] The present invention utilizes microwaves, which are a kind of electromagnetic waves, to perform high-frequency oscillation on polar molecules such as water, protein, fat and sugar in organic cells, heating them by molecular collision, and simultaneously inactivating living cells of organic matter.

[0044] The embodiments described in the present invention are merely descriptions of the preferred implementation modes of the present invention, and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made to the technical solutions of the present invention by engineers and technicians in this field should fall within the protection scope of the present invention. The technical contents for which protection is sought in the present invention have all been recorded in the claims.

Claims

1. A method for removing oil from kitchen waste residues in a kitchen waste residue removal device, characterized in that: The kitchen waste slag deoiling device comprises a housing component, at least one microwave heating inactivation component, a heating component, at least one lifting and stirring component, a slag salvaging component, a floating oil suction component, a control component, a temperature measuring component, an inlet and outlet component and an inlet and outlet door component; The inlet and outlet assembly is arranged on the side of the shell assembly and is connected to the inside of the shell assembly. The inlet and outlet door assembly is provided at the inlet and outlet assembly. The heating assembly is arranged on the bottom surface of the shell assembly. The upper, middle and lower parts of the shell assembly are respectively a scum layer, an oil-water mixed layer and a food waste deposition layer. The lifting and stirring assembly is arranged above the shell assembly and the stirring shaft of the lifting and stirring assembly passes through the scum layer and the oil-water mixed layer from the top of the shell assembly in sequence and extends into the food waste deposition layer. The spiral blades on the stirring shaft of the lifting and stirring assembly are in the shell assembly. The scum salvaging assembly is arranged above the corresponding scum layer in the shell assembly and is used to salvage plastic and light garbage floating on the scum layer. The suction pipe of the floating oil suction assembly floats on the surface of the oil-water mixed layer. A microwave heating and inactivation assembly is provided on the outer surface of the shell assembly. The temperature measuring assembly penetrates the shell assembly and extends into the food waste deposition layer in the shell assembly to measure the temperature in the food waste deposition layer. The control assembly is respectively connected to the heating assembly, the lifting and stirring assembly, the microwave heating and inactivation assembly, the floating oil suction assembly, the scum salvaging assembly and the temperature measuring assembly; The slag deoiling method comprises the following steps: 1) After feeding the bulk solid food waste into the shell assembly through the inlet and outlet assembly, close the inlet and outlet door assembly, and then soak it in water. The water level should be 10cm to 15cm higher than the highest surface of the solid food waste accumulation, and let it stand for 25-30 minutes; 2) The control component controls the start-up of the lifting and stirring component to stir the solid food waste. Plastics and light waste in the solid food waste gradually rise and float to the scum layer under the action of buoyancy to become scum; While stirring, the control component controls the scum salvaging component to start working and salvage the scum; 3) After the scum is salvaged, the control component controls the heating component to heat from room temperature at a heating rate of 3°C / min. When the temperature in the food waste sediment layer is heated to 50°C to 55°C, the control component controls the heating component to stop heating and perform the first heat preservation according to the data fed back by the temperature measuring component. At the same time, the microwave heating inactivation component is started to perform auxiliary heating and microwave inactivation, and the heat preservation is carried out for 40 minutes, so that all the solid food waste is heated evenly; 4) After the first heat preservation is completed, the control component starts the heating component again to heat up at a heating rate of 5°C / min. When the temperature of the food waste sediment layer is heated to 90°C~95°C, the control component controls the microwave heating inactivation component and the heating component to perform a second heat preservation in the temperature range according to the data fed back by the temperature measurement component. The heat preservation lasts for 120 minutes. After being heated, the fat in the solid food waste will discharge a large amount of grease and float in the oil-water mixed layer to become floating oil; During the second heat preservation, the control component controls the start of the floating oil suction component to suck away the floating oil in the oil-water mixed layer; 5) After the floating oil is sucked away, the control component controls the microwave heating inactivation component and the heating component to continue heating at a heating rate of 5°C / min. When the temperature of the food waste deposition layer rises to 105°C, the control component controls the heating component and the microwave heating inactivation component to stop working according to the data fed back by the temperature measuring component, and the solid food waste residue removal and oil removal work is completed.

2. The method for de-oiling kitchen waste residue according to claim 1, characterized in that: The control component can control the heating component to heat, maintain constant temperature and stop working.

3. The method for de-oiling kitchen waste residue according to claim 1, characterized in that: The number of the microwave heating and inactivation components is four, and the four microwave heating and inactivation components are symmetrically distributed on the outer surface of the shell component.

4. The method for de-oiling kitchen waste residue according to claim 1, characterized in that: The number of the lifting and stirring components is two, and the two stirring shafts of the two lifting and stirring components are evenly distributed in the shell component.

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