CN116274259A

CN116274259A - Micro kitchen waste treatment system and method

Info

Publication number: CN116274259A
Application number: CN202310547457.3A
Authority: CN
Inventors: 梅磊; 常鸿; 宁莎莎; 刘艳红; 徐光磊
Original assignee: State Power Investment Group Science and Technology Research Institute Co Ltd
Current assignee: State Power Investment Group Science and Technology Research Institute Co Ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-06-23

Abstract

The application provides a miniature kitchen waste treatment system and a miniature kitchen waste treatment method, wherein a sorting subsystem is used for sorting kitchen waste based on the specification of the kitchen waste so as to obtain standby waste; the filtering subsystem is connected with the sorting subsystem and is used for receiving the standby garbage and carrying out solid-liquid separation on the standby garbage to obtain solid garbage and liquid garbage corresponding to the standby garbage; the grease separation subsystem is connected with the filtering subsystem and is used for separating the liquid garbage to obtain grease and sewage; the crushing subsystem is connected with the filtering subsystem and is used for crushing the solid garbage to obtain crushed residue garbage; the aerobic composting subsystem is connected with the crushing subsystem and is used for composting the residue garbage to obtain the available fertilizer, so that the separation of grease, sewage and residues in the kitchen garbage is realized only by a physical disposal mode, the separation efficiency is high, and the method is applicable to miniature kitchen garbage disposal.

Description

Micro kitchen waste treatment system and method

Technical Field

The application relates to the technical field of kitchen waste treatment, in particular to a miniature kitchen waste treatment system and method.

Background

Along with the acceleration of urban treatment and the improvement of the temperature of the living standard of people, the discharge amount of kitchen waste is increased increasingly, wherein most kitchen waste is not effectively recycled and utilized, so that serious resource waste and environmental safety hidden danger are caused, and meanwhile, larger pressure and challenges are brought to the kitchen waste treatment industry.

Disclosure of Invention

The application provides a miniature kitchen waste treatment system and a miniature kitchen waste treatment method.

In one aspect, an embodiment of the application provides a miniature kitchen garbage disposal system, miniature kitchen garbage disposal system includes letter sorting subsystem, filtration subsystem, grease separation subsystem, broken subsystem, good oxygen compost subsystem, wherein: the sorting subsystem is used for sorting the kitchen waste according to a preset sorting rule to obtain standby waste, wherein the sorting rule is determined based on the specification of the kitchen waste; the filtering subsystem is connected with the sorting subsystem and is used for receiving the standby garbage and carrying out solid-liquid separation on the standby garbage to obtain solid garbage and liquid garbage corresponding to the standby garbage; the grease separation subsystem is connected with the filtering subsystem and is used for separating the liquid garbage to obtain grease and sewage; the crushing subsystem is connected with the filtering subsystem and is used for crushing the solid garbage to obtain crushed residue garbage; the aerobic composting subsystem is connected with the crushing subsystem and is used for composting the residue garbage to obtain the available fertilizer.

In one embodiment of the present application, the grease separation subsystem comprises a water inlet, an air bearing pump, an ultrasonic device, an oil drain, a first baffle, a second baffle, wherein: the water inlet is used for receiving the liquid garbage; the air floatation pump is used for introducing micro-bubbles into the liquid garbage so as to obtain a gas floating body; the ultrasonic device is used for emitting ultrasonic waves into the gas floating body so as to obtain grease and sewage; the oil drain port is used for draining the grease; the water outlet is used for discharging the sewage; the first partition is used for preventing the liquid garbage from being directly discharged from the water outlet; the second partition plate is used for preventing the liquid garbage from being directly discharged from the oil discharge port.

In one embodiment of the present application, the water inlet and the oil drain are located in the upper half of the grease separation subsystem, and the pipe centers of the water inlet and the oil drain are at the same horizontal level.

In one embodiment of the present application, the top of the first partition and the bottom of the second partition are at the same horizontal level, and the distance between the bottom of the second partition and the bottom of the grease separation subsystem is determined by the pipe diameter of the drain opening, and the pipe center line of the drain opening and the lateral center line of the first partition are at the same horizontal level.

In one embodiment of the present application, the second separator separates the grease separation subsystem into two parts based on a preset separation ratio, the first separator is located at the bottom of the grease separation subsystem, and the first separator may be arranged in parallel in multiple channels.

In one embodiment of the present application, the pipe diameters of the water inlet, the oil drain, and the water drain are determined by the medium flow rate in the pipe.

In one embodiment of the present application, one or more of the ultrasonic devices are provided and one or more of the air-floating pumps are provided.

In one embodiment of the present application, the system further comprises a grease collection subsystem, wherein: the grease collecting subsystem is connected with the grease separating subsystem and is used for collecting the grease.

In one embodiment of the present application, the system further comprises a wastewater treatment subsystem, wherein: the sewage treatment subsystem is connected with the grease separation subsystem and is used for purifying the sewage to obtain available water resources.

The application provides a miniature kitchen waste treatment system, in which a sorting subsystem is used for sorting kitchen waste based on the specification of the kitchen waste so as to obtain standby waste; the filtering subsystem is connected with the sorting subsystem and is used for receiving the standby garbage and carrying out solid-liquid separation on the standby garbage to obtain solid garbage and liquid garbage corresponding to the standby garbage; the grease separation subsystem is connected with the filtering subsystem and is used for separating the liquid garbage to obtain grease and sewage; the crushing subsystem is connected with the filtering subsystem and is used for crushing the solid garbage to obtain crushed residue garbage; the aerobic composting subsystem is connected with the crushing subsystem and is used for composting the residue garbage to obtain the available fertilizer, so that the separation of grease, sewage and residues in the kitchen garbage is realized only by a physical disposal mode, the separation efficiency is high, and the method is applicable to miniature kitchen garbage disposal.

In another aspect, an embodiment of the present application provides a method for treating micro kitchen waste, where the method includes: sorting the kitchen waste according to a preset sorting rule to obtain standby waste, wherein the sorting rule is determined based on the specification of the kitchen waste; receiving the standby garbage, and carrying out solid-liquid separation on the standby garbage to obtain solid garbage and liquid garbage corresponding to the standby garbage; separating the liquid garbage to obtain grease and sewage; crushing the solid garbage to obtain crushed residue garbage; composting the residue garbage to obtain the available fertilizer.

The application provides a miniature kitchen waste treatment method, which sorts kitchen waste according to preset sorting rules to obtain standby waste, wherein the sorting rules are determined based on specifications of the kitchen waste; receiving spare garbage, and carrying out solid-liquid separation on the spare garbage to obtain solid garbage and liquid garbage corresponding to the spare garbage; separating the liquid garbage to obtain grease and sewage; crushing the solid garbage to obtain crushed residue garbage; composting is carried out on the residue garbage to obtain the available fertilizer, thus, the separation of grease, sewage and residues in the kitchen garbage is realized only by a physical disposal mode, the separation efficiency is high, and the method is applicable to the miniature kitchen garbage disposal.

Other effects of the above alternative will be described below in connection with specific embodiments.

Drawings

FIG. 1 is a schematic view of a micro kitchen waste treatment system according to one embodiment of the present application;

FIG. 2 is a schematic diagram of a grease separation subsystem according to one embodiment of the present application;

fig. 3 is a schematic flow chart of a method for treating micro kitchen waste according to an embodiment of the present application.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application.

The micro kitchen garbage treatment system according to the embodiment of the present application is described below with reference to the accompanying drawings.

Fig. 1 is a schematic diagram of a micro kitchen waste treatment system according to an embodiment of the present application.

As shown in fig. 1, the micro kitchen waste treatment system 100 further comprises a sorting subsystem 101, a filtering subsystem 102, a grease separating subsystem 103, a crushing subsystem 104 and an aerobic composting subsystem 105.

Optionally, the sorting subsystem 101 is configured to sort the kitchen waste according to a preset sorting rule to obtain the standby waste, where the sorting rule is determined based on the specification of the kitchen waste.

It is understood that the specification of the kitchen waste can be determined based on the size of the kitchen waste and the material of the kitchen waste, but is not limited thereto.

In some embodiments, if the preset sorting rule is determined by the size of the kitchen waste and the material of the kitchen waste, sorting the kitchen waste according to the preset sorting rule to obtain the standby waste, where the sorting and removing are performed on the materials such as plastic, bone and glass which are difficult to digest, so as to obtain the standby waste.

The kitchen waste may be a kitchen waste, specifically, the kitchen waste may include, but is not limited to, food residues such as restaurants, unit canteens, household daily life and the like, food offal, leftovers, meat, grease, vegetables, melons and fruits, and the embodiment is not particularly limited thereto.

Optionally, as shown in fig. 1, the filtering subsystem 102 is connected to the sorting subsystem 101, and is configured to receive the spare garbage, and perform solid-liquid separation on the spare garbage to obtain solid garbage and liquid garbage corresponding to the spare garbage.

In some embodiments, the solid waste may be some food residues, and the liquid waste may be grease or sewage, but is not limited thereto.

Optionally, as shown in fig. 1, a grease separation subsystem 103 is coupled to the filtration subsystem 102 for separating the liquid waste to obtain grease and sewage.

Wherein the grease separated by the grease separation subsystem 103 can be directly sold.

Optionally, as shown in fig. 1, a crushing subsystem 104 is connected to the filtering subsystem 102 for crushing the solid waste to obtain crushed residue waste.

In some embodiments, to improve the availability of the residue waste, the solid waste may be crushed to a small size, for example, the solid waste may be crushed to 1-2cm or less, but not limited thereto.

Optionally, an aerobic composting subsystem 105 is connected to the crushing subsystem 104 for composting the residue waste to obtain an available fertilizer.

In some embodiments, the aerobic composting subsystem 105 is used for composting the residue garbage, so that one implementation of the available fertilizer can be that the residue garbage and the microbial inoculum are fed into the aerobic composting subsystem 105 together, and the technological parameters are controlled based on the aerobic composting subsystem 105, so that efficient production of the fertilizer is realized, and the fertilizer is directly marketed.

Wherein, the control technological parameters of the aerobic composting subsystem 105 can be 10-30 ℃ in the low temperature period, 20-50 ℃ in the medium temperature period and 60-80 ℃ in the high temperature period, and the embodiment is not limited in particular.

In addition, the available fertilizer may be an organic fertilizer, but is not limited thereto.

Optionally, as shown in fig. 1, the micro kitchen waste treatment system 100 further includes a grease collecting subsystem 106, and the grease collecting subsystem 106 is connected to the grease separating subsystem 103 for collecting grease.

Optionally, as shown in fig. 1, the micro kitchen waste treatment system 100 further includes a sewage treatment subsystem 107, where the sewage treatment subsystem 107 is connected to the grease subsystem 103, and is used for purifying sewage to obtain available water resources.

In some embodiments, the wastewater treatment subsystem 107 may perform purification operations such as disinfection, decontamination, etc. of the water to obtain available water resources, and to increase the reliability of the available water resources.

The available water resource can be directly recycled or used as municipal water, or can be recycled through the dissolved air to the grease separation subsystem 103, and the embodiment is not particularly limited.

In summary, in the micro kitchen waste disposal system 100, the subsystems may be connected through a pipe, but not limited thereto, and the embodiment is not particularly limited thereto.

In addition, for a clearer understanding of the present application, a schematic structural diagram of the grease subsystem 103 is also provided, as shown in fig. 2, where the grease subsystem 103 includes a water inlet 1031, an air pump 1032, an ultrasonic device 1033, an oil drain 1034, a water drain 1035, a first partition 1036, and a second partition 1037.

Optionally, the water inlet 1031 is for receiving liquid waste.

Optionally, an air flotation pump 1032 is used to introduce micro-bubbles into the liquid waste to obtain air flotation.

Alternatively, the ultrasonic device 1033 is used to emit ultrasonic waves into the gas-floating body to obtain grease and sewage.

Optionally, an oil drain 1034 is used to drain grease.

Alternatively, the drain 1035 is used to drain sewage.

Optionally, the first separator 1036 is used to prevent the liquid waste from being directly discharged from the water outlet 1035.

Optionally, a second separator 1037 is used to prevent the liquid waste from being directly discharged from the oil drain 1034.

It can be understood that after the ultrasonic and air floatation treatment is performed on the liquid garbage, the oil separating and separating system 103 accurately separates the oil and the sewage in the liquid garbage, and the separation efficiency can reach 85-95%.

Optionally, the water inlet 1031 and the oil drain 1034 are located in the upper half of the grease subsystem 103, and the centers of the pipes of the water inlet 1031 and the oil drain 1034 are at the same level.

Wherein the water inlet 1031 and the oil drain 1034 may be located in an upper portion of the grease isolation subsystem 103, the embodiment is not specifically limited thereto.

Optionally, the top of the first separator 1036 and the bottom of the second separator 1037 are at the same level, and the distance between the bottom of the second separator 1037 and the bottom of the grease separation subsystem 103 is determined by the pipe diameter of the drain outlet 1035, and the pipe center line of the drain outlet 1035 and the lateral center line of the first separator 1036 are at the same level.

The distance from the bottom of the second separator 1037 to the bottom of the grease distribution subsystem 103 is 3-10 times the pipe diameter of the drain outlet 1035, but the present invention is not limited thereto.

Alternatively, the second separator 1037 divides the grease separation subsystem 103 into two parts based on a predetermined dividing ratio, the first separator 1036 is located at the bottom of the grease separation subsystem 103, and the first separator 1036 may be arranged in parallel in a plurality of channels.

The second separator 1037 may divide the grease subsystem 103 into two parts based on a ratio (1:5-10), but is not limited thereto, and the embodiment is not particularly limited thereto.

The first separator 1036 may be located in any area of 1/4-3/4 of the bottom of the fat separation subsystem 103, but is not limited thereto, and the embodiment is not particularly limited thereto.

Optionally, the pipe diameters of the water inlet 1031, the oil drain 1034, and the drain 1035 are determined by the medium flow rate in the pipe.

For example, the pipe diameters of the water inlet 1031, the oil drain 1034 and the water outlet 1035 are designed to ensure that the flow rate of the medium in the pipe is not higher than 0.5m/s, and the embodiment is not particularly limited.

Optionally, one or more ultrasonic devices 1033 are provided and one or more air floatation pumps 1032 are provided.

Wherein a corresponding number of ultrasonic devices 1033 may be selected according to the ultrasonic effect, and a corresponding number of air floatation pumps 1032 may be selected according to the air floatation effect.

In order to understand the application more clearly, the application also provides a flow diagram of the micro kitchen waste treatment method, as shown in fig. 3.

As shown in FIG. 3, the method for treating the micro kitchen waste comprises the following steps:

step 301, sorting kitchen waste according to a preset sorting rule to obtain standby waste, wherein the sorting rule is determined based on the specification of the kitchen waste.

And 302, receiving the standby garbage, and carrying out solid-liquid separation on the standby garbage to obtain solid garbage and liquid garbage corresponding to the standby garbage.

And 303, separating the liquid garbage to obtain grease and sewage.

And 304, crushing the solid garbage to obtain crushed residue garbage.

Step 305, composting the residue garbage to obtain usable fertilizer.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims

1. The utility model provides a miniature kitchen garbage processing system which characterized in that, miniature kitchen garbage processing system includes letter sorting subsystem, filtration subsystem, grease separation subsystem, broken subsystem, good oxygen compost subsystem, wherein:

the sorting subsystem is used for sorting the kitchen waste according to a preset sorting rule to obtain standby waste, wherein the sorting rule is determined based on the specification of the kitchen waste;

the filtering subsystem is connected with the sorting subsystem and is used for receiving the standby garbage and carrying out solid-liquid separation on the standby garbage to obtain solid garbage and liquid garbage corresponding to the standby garbage;

the grease separation subsystem is connected with the filtering subsystem and is used for separating the liquid garbage to obtain grease and sewage;

the crushing subsystem is connected with the filtering subsystem and is used for crushing the solid garbage to obtain crushed residue garbage;

the aerobic composting subsystem is connected with the crushing subsystem and is used for composting the residue garbage to obtain the available fertilizer.

2. The micro kitchen waste treatment system of claim 1, wherein the grease separation subsystem comprises a water inlet, an air floating pump, an ultrasonic device, an oil drain, a water drain, a first partition, a second partition, wherein:

the water inlet is used for receiving the liquid garbage;

the air floatation pump is used for introducing micro-bubbles into the liquid garbage so as to obtain a gas floating body;

the ultrasonic device is used for emitting ultrasonic waves into the gas floating body so as to obtain grease and sewage;

the oil drain port is used for draining the grease;

the water outlet is used for discharging the sewage;

the first partition is used for preventing the liquid garbage from being directly discharged from the water outlet;

the second partition plate is used for preventing the liquid garbage from being directly discharged from the oil discharge port.

3. The micro kitchen waste treatment system as claimed in claim 2, wherein the water inlet and the oil drain are positioned at the upper half part of the grease separating subsystem, and the centers of the pipelines of the water inlet and the oil drain are positioned at the same horizontal line height.

4. The micro kitchen waste disposal system of claim 2, wherein the top of said first partition and the bottom of said second partition are at the same level, and the distance between the bottom of said second partition and the bottom of said grease separation subsystem is determined by the pipe diameter of said drain opening, and the pipe center line of said drain opening and the lateral center line of said first partition are at the same level.

5. The micro kitchen waste treatment system according to claim 2, wherein the second partition plate divides the grease separation subsystem into two parts based on a preset separation ratio, the first partition plate is located at the bottom of the grease separation subsystem, and the first partition plate can be arranged in parallel in multiple channels.

6. The micro kitchen waste disposal system of claim 2, wherein the pipe diameters of said water inlet, said oil drain, and said water drain are determined by the medium flow rate in the pipe.

7. The micro kitchen waste treatment system as claimed in claim 2, wherein one or more ultrasonic devices are provided, and one or more air floating pumps are provided.

8. The micro kitchen waste disposal system of claim 1, further comprising a grease collection subsystem, wherein:

the grease collecting subsystem is connected with the grease separating subsystem and is used for collecting the grease.

9. The micro kitchen waste treatment system of claim 1, further comprising a sewage treatment subsystem, wherein:

the sewage treatment subsystem is connected with the grease separation subsystem and is used for purifying the sewage to obtain available water resources.

10. The miniature kitchen waste treatment method is characterized by comprising the following steps of:

sorting the kitchen waste according to a preset sorting rule to obtain standby waste, wherein the sorting rule is determined based on the specification of the kitchen waste;

receiving the standby garbage, and carrying out solid-liquid separation on the standby garbage to obtain solid garbage and liquid garbage corresponding to the standby garbage;

separating the liquid garbage to obtain grease and sewage;

crushing the solid garbage to obtain crushed residue garbage;

composting the residue garbage to obtain the available fertilizer.