Wet garbage treatment system

Abstract

According to the wet garbage treatment system provided by the utility model, a hydrothermal carbonization method and a microwave carbonization method are combined, so that the stable quality of a product is ensured, and meanwhile, generated harmful gases are reduced. A material outlet of the sorting device is connected with a material inlet of the material particle preparation device, a material outlet of the material particle preparation device is connected with a material inlet of the drying device, a material outlet of the drying device is connected with a material inlet of the hydrothermal carbonization device, and a material outlet of the hydrothermal carbonization device is connected with a material inlet of the microwave carbonization device. A material outlet of the microwave carbonization device is connected with a material inlet of the carbon block preparation device; a waste gas outlet of the drying device and a waste gas outlet of the microwave carbonization device are connected with the hydrothermal carbonization device; a waste gas outlet of the hydrothermal carbonization device is connected with the waste gas treatment device; a waste liquid outlet of the material particle preparation device is connected with the waste liquid treatment device.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of wet garbage treatment systems. BACKGROUND

[0002] Wet garbage refers to the garbage generated in daily life of residents and food processing, catering service, unit meal service and other activities, including discarded vegetable leaves, leftovers, rice, peel, eggshell, tea dregs, bone and the like, and its main sources are household kitchen, dining room, restaurant, canteen, market and other food processing-related industries.Wet garbage contains extremely high moisture and organic matter, and is easily rotten, producing foul odor, so it must be properly handled and processed.

[0003] Wet garbage carbonization treatment process is a process of converting wet garbage into carbon, which can reduce garbage volume, reduce environmental pollution and realize resource recycling, such as the Chinese patent shown in application number 2020109933122.Wet garbage carbonization treatment process includes hydrothermal carbonization method and microwave carbonization method, which can convert wet garbage into activated carbon and biochar, two high-value carbons.

[0004] The product quality of hydrothermal carbonization method is unstable, and the quality of the product is affected by operating conditions.It is difficult to obtain ideal products by controlling temperature and pressure alone, and it is difficult to ensure the stable quality of the product;Although the product quality of microwave carbonization method is more stable than that of hydrothermal carbonization method, microwave carbonization method produces more harmful gases than hydrothermal carbonization method. UTILITY MODEL CONTENT

[0005] The utility model aims to overcome the above-mentioned deficiencies in the prior art, and provides a wet garbage treatment system with reasonable structure design, which combines hydrothermal carbonization method and microwave carbonization method to ensure the stable quality of the product and reduce the generation of harmful gases.

[0006] The technical scheme adopted by the utility model to solve the above problems is: a wet garbage treatment system, characterized by: including sorting device, material particle preparation device, drying device, hydrothermal carbonization device, microwave carbonization device, carbon block preparation device, waste gas treatment device and waste liquid treatment device;The material outlet of the sorting device is connected with the material inlet of the material particle preparation device, the material outlet of the material particle preparation device is connected with the material inlet of the drying device, the material outlet of the drying device is connected with the material inlet of the hydrothermal carbonization device, the material outlet of the hydrothermal carbonization device is connected with the material inlet of the microwave carbonization device, and the material outlet of the microwave carbonization device is connected with the material inlet of the carbon block preparation device;The waste gas outlet of the drying device and the waste gas outlet of the microwave carbonization device are connected with the hydrothermal carbonization device;The waste gas outlet of the hydrothermal carbonization device is connected with the waste gas treatment device;The waste liquid outlet of the material particle preparation device is connected with the waste liquid treatment device.

[0007] The drying device adopts a tunnel microwave device.

[0008] The carbon block preparation device is provided with a carbon block conveying belt.

[0009] The waste gas outlet of the drying device and the waste gas outlet of the microwave carbonization device are connected with the hydrothermal carbonization device through the waste gas recovery pipeline.

[0010] The sorting device is provided with a sorting robot, a recycling sorting machine and a waste storage box.

[0011] The waste liquid treatment device comprises an oil-water separation device and a waste liquid post-treatment device, the waste liquid outlet of the material particle preparation device is connected with the inlet of the oil-water separation device, and the outlet of the oil-water separation device is connected with the inlet of the waste liquid post-treatment device.

[0012] The drying device and the hydrothermal carbonization device are provided with a post-drying buffer tank, the material outlet of the drying device is connected with the material inlet of the post-drying buffer tank, and the material outlet of the post-drying buffer tank is connected with the material inlet of the hydrothermal carbonization device.

[0013] The hydrothermal carbonization device and the microwave carbonization device are provided with a post-hydrothermal carbonization buffer tank, the material outlet of the hydrothermal carbonization device is connected with the material inlet of the post-hydrothermal carbonization buffer tank, and the material outlet of the post-hydrothermal carbonization buffer tank is connected with the material inlet of the microwave carbonization device.

[0014] Compared with the prior art, the hydrothermal carbonization method and the microwave carbonization method are combined to ensure the stable quality of products, and stable activated carbon and biochar can be produced; meanwhile, the waste gas generated by the microwave carbonization method is used as the combustion gas of the hydrothermal carbonization method for secondary combustion, so that the waste gas is treated and energy is saved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic diagram of an embodiment of the utility model. DETAILED DESCRIPTION

[0016] The utility model will be further explained in detail in combination with the drawings and through embodiments, and the following embodiments are explanatory of the utility model but the utility model is not limited to the following embodiments.

[0017] The wet garbage treatment system of the embodiment of the utility model comprises a sorting device 1, a material particle preparation device 2, a drying device 3, a post-drying buffer tank 4, a hydrothermal carbonization device 5, a post-hydrothermal carbonization buffer tank 6, a microwave carbonization device 7, a carbon block preparation device 8, a waste gas treatment device 10, a waste liquid treatment device and an intelligent control cabinet 13.

[0018] The sorting device 1 is provided with a sorting robot 101, a recycling sorting machine 102 and a waste storage tank 103, and a material outlet of the sorting device 1 is connected with a material inlet of the material particle preparation device 2.

[0019] A material outlet of the drying device 3 is connected with a material inlet of the hydrothermal carbonization device 5, and further, a post-drying buffer tank 4 is arranged between the drying device 3 and the hydrothermal carbonization device 5, and the material outlet of the drying device 3 is connected with the material inlet of the hydrothermal carbonization device 5 through the post-drying buffer tank 4.

[0020] A material outlet of the hydrothermal carbonization device 5 is connected with a material inlet of the microwave carbonization device 7, and further, a post-hydrothermal carbonization buffer tank 6 is arranged between the hydrothermal carbonization device 5 and the microwave carbonization device 7, and the material outlet of the hydrothermal carbonization device 5 is connected with the material inlet of the microwave carbonization device 7 through the post-hydrothermal carbonization buffer tank 6.

[0021] A material outlet of the microwave carbonization device 7 is connected with a material inlet of the carbon block preparation device 8, and the carbon block preparation device 8 is provided with a carbon block conveying belt 801.

[0022] The waste gas outlet of the drying device 3 and the waste gas outlet of the microwave carbonization device 7 are both connected with the hydrothermal carbonization device 5 through a waste gas recovery pipeline 9.

[0023] A waste gas outlet of the hydrothermal carbonization device 5 is connected with a waste gas treatment device 10.

[0024] A waste liquid outlet of the material particle preparation device 2 is connected with a waste liquid treatment device, and the waste liquid treatment device comprises an oil-water separation device 11 and a waste liquid post-treatment device 12, the waste liquid outlet of the material particle preparation device 2 is connected with an inlet of the oil-water separation device 11, and an outlet of the oil-water separation device 11 is connected with an inlet of the waste liquid post-treatment device 12.

[0025] An intelligent control cabinet 13 is used for intelligently controlling each device in the system to realize intelligent production.

[0026] The working method of the utility model comprises the following steps:

[0027] (1) The wet garbage is put into the sorting device 1 for sorting; the recycling sorting machine 102 classifies and recycles metals, glass, batteries and the like; the sorting robot 101 classifies and recycles other waste which is inconvenient to classify and recycle and carbonizes, and puts the waste into the waste storage box 103.

[0028] (2) The sorted wet garbage enters the material particle preparation device 2, which prepares the wet garbage into granular material after pressing and breaking the wall of the wet garbage.

[0029] (3) The granular material enters the drying device 3, which dries the granular material. After drying, the moisture of the granular material is reduced, which not only increases the shelf life of the granular material, but also facilitates packaging and transportation. The granular material can be used as raw material for carbon production in the system, and can also be taken out from the system as breeding material for breeding black soldier flies and the like.

[0030] (4) The granular material in the drying post-storage tank 4 is stored to adapt to the production rhythm.

[0031] (5) The granular material in the drying post-storage tank 4 enters the hydrothermal carbonization device 5 for hydrothermal carbonization process.

[0032] (6) The material after hydrothermal carbonization enters the hydrothermal carbonization post-storage tank 6 for storage to adapt to the production rhythm.

[0033] (7) The material in the hydrothermal carbonization post-storage tank 6 enters the microwave carbonization device 7 for microwave carbonization process.

[0034] (8) The material after microwave carbonization process enters the carbon block preparation device 8, which prepares finished carbon blocks, which are output by the finished carbon block conveyor belt 801.

[0035] (9) The exhaust gas of the drying device 3 and the microwave carbonization device 7 contains combustible gas such as methane. The exhaust gas of the drying device 3 and the microwave carbonization device 7 is introduced into the hydrothermal carbonization device 5 as secondary combustion gas of the hydrothermal carbonization device 5, which not only treats the exhaust gas, but also saves energy. The exhaust gas of the hydrothermal carbonization device 5 is introduced into the exhaust gas treatment device 10 for gas treatment. The treated exhaust gas is pollution-free, colorless and odorless, and is discharged after reaching the standard.

[0036] (10) The waste liquid generated by the material particle preparation device 2 enters the oil-water separation device 11 for oil-water separation, and the waste liquid enters the waste liquid post-treatment device 12 for further post-treatment. The treated waste liquid is pollution-free, colorless and odorless, and is discharged after reaching the standard.

[0037] In addition, it needs to be explained that the specific embodiments described in the specification, the shape of the zero, component, name, etc. can be different, the above described in the specification is only an example of the structure of the utility model. The equivalent changes or simple changes made according to the structure, features and principles described in the patent concept of the utility model are included in the protection scope of the utility model patent.

Claims

1. A wet waste treatment system, characterized in that: It includes a sorting device, a material particle preparation device, a drying device, a hydrothermal carbonization device, a microwave carbonization device, a charcoal block preparation device, a waste gas treatment device, and a waste liquid treatment device. The material outlet of the sorting device is connected to the material inlet of the material particle preparation device, the material outlet of the material particle preparation device is connected to the material inlet of the drying device, the material outlet of the drying device is connected to the material inlet of the hydrothermal carbonization device, the material outlet of the hydrothermal carbonization device is connected to the material inlet of the microwave carbonization device, and the material outlet of the microwave carbonization device is connected to the material inlet of the charcoal block preparation device. The waste gas outlets of the drying device and the microwave carbonization device are both connected to the hydrothermal carbonization device. The waste gas outlet of the hydrothermal carbonization device is connected to the waste gas treatment device. The waste liquid outlet of the material particle preparation device is connected to the waste liquid treatment device.

2. The wet waste treatment system according to claim 1, characterized in that: The drying device described herein employs a tunnel microwave device.

3. The wet waste treatment system according to claim 1, characterized in that: The carbon block preparation device is equipped with a carbon block conveyor belt.

4. The wet waste treatment system according to claim 1, characterized in that: It also includes a waste gas recovery pipeline, and the waste gas outlets of the drying device and the microwave carbonization device are connected to the hydrothermal carbonization device through the waste gas recovery pipeline.

5. The wet waste treatment system according to claim 1, characterized in that: The sorting device is equipped with a sorting robot, a recycling sorting machine, and a waste storage bin.

6. The wet waste treatment system according to claim 1, characterized in that: The waste liquid treatment device includes an oil-water separation device and a waste liquid post-treatment device. The waste liquid outlet of the material particle preparation device is connected to the inlet of the oil-water separation device, and the outlet of the oil-water separation device is connected to the inlet of the waste liquid post-treatment device.

7. The wet waste treatment system according to claim 1, characterized in that: A post-drying buffer tank is installed between the drying unit and the hydrothermal carbonization unit. The material outlet of the drying unit is connected to the material inlet of the post-drying buffer tank, and the material outlet of the post-drying buffer tank is connected to the material inlet of the hydrothermal carbonization unit.

8. The wet waste treatment system according to claim 1, characterized in that: A buffer tank for post-hydrothermal carbonization is installed between the hydrothermal carbonization device and the microwave carbonization device. The material outlet of the hydrothermal carbonization device is connected to the material inlet of the buffer tank for post-hydrothermal carbonization, and the material outlet of the buffer tank for post-hydrothermal carbonization is connected to the material inlet of the microwave carbonization device.

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