Wet garbage fermentation pretreatment device

By designing a wet waste fermentation pretreatment device that includes a crusher, a mixing tank, a buffer tank, a screw conveyor, and a holding tank, the wet waste treatment device was solved, the wet waste treatment device in the prior art was solved, the wet waste problem in the prior art was solved, and the fermentation efficiency of wet waste was achieved.

CN223733500UActive Publication Date: 2025-12-30SONGHUAN RENEWABLE RESOURCES (SHANGHAI) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520026317.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2025-12-30
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

In existing technologies, the fermentation cycle of wet waste is relatively long, mainly due to the uneven fermentation caused by the varying sizes of wet waste.

Method used

A wet waste fermentation pretreatment device was designed, including a crusher, a mixing tank, a buffer tank, a screw conveyor, and a container. The crusher crushes the wet waste into small pieces, the mixing tank mixes the auxiliary materials and inoculum, and the screw conveyor transports the mixture to packaging bags for storage.

Benefits of technology

It achieves uniform fermentation of wet waste, shortens the fermentation cycle, and improves processing efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223733500U_ABST
    Figure CN223733500U_ABST
Patent Text Reader

Abstract

The utility model discloses a wet garbage fermentation pretreatment device, which belongs to the field of wet garbage pretreatment and comprises a crusher, a stirring barrel, a buffer barrel, a spiral conveyor and a containing barrel. The pulverizer is fixedly installed on the stirring barrel, the stirring barrel is provided with a stirring mechanism, the top of the stirring barrel is provided with a feeding port, an auxiliary material feeding hopper and a strain feeding port, the discharging end of the pulverizer is connected with the feeding port, the bottom of the stirring barrel is provided with a discharging port, the discharging port is connected with the temporary storage barrel through a discharging pipe, and a discharging valve is installed on the discharging pipe. The spiral conveyor is connected between the temporary storage barrel and the containing barrel, and a packaging bag used for storing pretreated wet garbage is arranged in the containing barrel. According to the wet garbage crushing device, wet garbage can be crushed into relatively regular small-size blocks before fermentation, so that subsequent fermentation is facilitated; and through the arrangement of a stirring barrel, an auxiliary material feeding hopper and a strain feeding opening, the crushed wet garbage can be fully mixed with auxiliary materials and strains, and the fermentation efficiency of the wet garbage is further improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to wet garbage treatment technical field, especially a kind of wet garbage fermentation pretreatment device. BACKGROUND

[0002] Wet garbage is the food leftovers generated in the activities of residents' families, restaurants, hotels, unit canteens, food processing, food service and unit catering, as well as the waste generated in the process of fruit and vegetable, meat, oil and pastry processing, mainly from household kitchens, hotels, restaurants, restaurants and internally operated enterprise canteens.

[0003] The main components of wet garbage include animal bones and internal organs, vegetable stems and leaves, fruit peels and shells, branches and leaves, leftover food, mainly starch, food cellulose, protein and animal and plant fats, with more than 95% of organic matter accounting for dry matter.

[0004] The main treatment method for wet garbage is fermentation composting, where wet garbage is fed into a fermentation tank for fermentation treatment, so that the wet garbage is decomposed and forms fertilizer.

[0005] However, if the wet garbage collected from various places is directly fed into fermentation, the fermentation will be uneven due to the different sizes of the wet garbage, which will further prolong the overall fermentation period, which is not conducive to the efficiency of wet garbage fermentation treatment. SUMMARY

[0006] In view of the problem of long fermentation period of wet garbage in the prior art, the purpose of the utility model is to provide a wet garbage fermentation pretreatment device to at least partially solve the above problems.

[0007] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0008] A wet garbage fermentation pretreatment device, comprising a pulverizer, a stirring barrel, a buffer barrel, a screw conveyor and a holding barrel; the pulverizer is fixedly installed on the stirring barrel, the stirring barrel is provided with a stirring mechanism, and a feed inlet, an auxiliary material feeding hopper and a strain feeding port are formed in the top of the stirring barrel; the discharge end of the pulverizer is connected with the feed inlet, the bottom of the stirring barrel is provided with a discharge port, the discharge port is connected with the buffer barrel through a discharge pipe, a discharge valve is installed on the discharge pipe, the screw conveyor is connected between the buffer barrel and the holding barrel, and a packaging bag for storing pretreated wet garbage is arranged in the holding barrel.

[0009] In some preferred embodiments, the stirring mechanism includes a stirring motor, a stirring shaft, and a stirring paddle. The stirring motor is fixed to the bottom of the stirring tank. The stirring shaft is arranged vertically and rotatably connected to the stirring tank. The upper end of the stirring shaft extends into the stirring tank and the stirring paddle is fixed thereon. The lower end of the stirring shaft extends out of the stirring tank and is connected to the motor shaft of the stirring motor.

[0010] In some preferred embodiments, the packaging bag includes an inner bag and an outer bag, wherein the inner bag is made of a fully biodegradable material and the outer bag is made of polypropylene.

[0011] In some preferred embodiments, both the inner bag and the outer bag are provided with a sealing structure.

[0012] In some preferred embodiments, the mixing tank is provided with an observation window, which is closed by an observation plate made of transparent material.

[0013] The beneficial effects of this utility model by adopting the above technical solution are as follows: the pulverizer allows wet waste to be pulverized into relatively regular small pieces before fermentation, which helps with subsequent fermentation; the mixing tank and its auxiliary material feeding hopper and inoculum feeding port allow the pulverized wet waste to be fully mixed with the auxiliary materials and inoculum that help fermentation; the buffer tank, screw conveyor, holding tank and its inner packaging bag allow the mixed wet waste to be transported into the packaging bag, which facilitates subsequent transfer and storage. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model.

[0015] In the diagram: 1-Crusher, 2-Mixing tank, 21-Auxiliary material feeding hopper, 22-Inoculum feeding port, 3-Buffer tank, 4-Screw conveyor, 5-Container tank, 6-Mixing motor, 7-Mixing shaft, 8-Mixing paddle, 9-Observation window, 10-Discharge pipe, 11-Discharge valve, 12-Packaging bag. Detailed Implementation

[0016] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0017] It should be noted that in the description of the present application, the terms "upper", "lower", "left", "right", "front", "back" and the like indicate the orientation or positional relationship of the structure of the present application shown in the drawings, and are only for the convenience of describing the present application simply, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0018] For "first" and "second" in the technical solution, it is only a distinction for the same or similar structure, or the corresponding structure with similar function, not the arrangement of the importance of these structures, nor the order, or the comparison of size, or other meanings.

[0019] In addition, unless otherwise specified and limited, the terms "mounting", "connection" should be understood broadly, for example, the connection can be fixed connection, or detachable connection, or integrally connected; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through intermediate medium, can be the communication inside two structures. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the overall idea of the present application and the specific circumstances of the present scheme.

[0020] Embodiment

[0021] A wet garbage fermentation pretreatment device, as shown in Figure 1 The device comprises a pulverizer 1, a stirring barrel 2, a buffer barrel 3, a spiral conveyor 4 and a containing barrel 5.

[0022] The pulverizer 1 is configured as a small pulverizer, and a feeding hopper is usually installed at the feeding end of the pulverizer 1 to facilitate the feeding of wet garbage. The stirring barrel 2 comprises a barrel body arranged in a cylindrical and vertical manner, and a plurality of supporting feet are fixedly installed at the bottom surface of the barrel body. The top of the stirring barrel 2 is configured as a flat shape, and a feeding port is formed at the top of the stirring barrel 1. The pulverizer 1 is fixedly installed at the top of the stirring barrel 2 by screws or bolts, and the discharging end of the pulverizer 1 is connected with the feeding port of the stirring barrel 1 through a pipeline, so as to facilitate the wet garbage after being pulverized to enter the stirring barrel 1.

[0023] An auxiliary feeding hopper 21 and a strain feeding port 22 are also formed at the top of the stirring barrel 2, so as to add auxiliary materials and strains which are helpful for the fermentation of the wet garbage in the stirring barrel 2. The stirring barrel 2 is configured with a stirring mechanism for stirring the wet garbage in the stirring barrel 2.

[0024] The stirring mechanism comprises a stirring motor 6, a stirring shaft 7 and a stirring paddle 8. The stirring motor 6 is fixed on the bottom of the stirring barrel 2 (i.e. the barrel body) through a motor base. The stirring shaft 7 is arranged vertically, and the two ends of the stirring shaft 7 are rotatably connected to the top and bottom of the stirring barrel 2 through bearings respectively. The stirring paddle 8 is arranged inside the stirring barrel 2 and is fixed on the stirring shaft 7. The lower end of the stirring shaft 7 extends out of the bottom of the stirring barrel 2 and is connected to the motor shaft of the stirring motor 6.

[0025] Generally, an observation window 9 is formed on the barrel body of the stirring barrel 2, and the observation window 9 is closed by an observation plate made of transparent material, such as transparent glass or transparent plastic, to facilitate personnel to observe the stirring condition in the stirring barrel 2.

[0026] The bottom of the stirring barrel 2 is provided with a discharge port, which is connected to the upper part of the buffer barrel 3 through a discharge pipe 10, and a discharge valve 11 is installed on the discharge pipe 10. The flow of wet garbage to the buffer barrel 3 is controlled by controlling the opening degree of the valve. The buffer barrel 3 is used for temporarily storing the stirred wet garbage.

[0027] The spiral conveyor 4 is connected between the buffer barrel 3 and the holding barrel 5, and is used for conveying the wet garbage in the buffer barrel 3 to the holding barrel 5. The holding barrel 5 is internally provided with a packaging bag 12 for storing the pretreated wet garbage.

[0028] The packaging bag 12 comprises an inner bag and an outer bag, which are sequentially sleeved and both have openings. The openings are provided with openable sealing structures, such as zippers or concave-convex buckles. The material of the inner bag is configured as a fully degradable material, and the material of the outer bag is polypropylene.

[0029] The working process of the wet garbage fermentation pretreatment device provided by the embodiment of the present application is as follows:

[0030] In use, the wet garbage is first put into the pulverizer 1. After being pulverized, the wet garbage with small size enters the stirring barrel 2. Then, according to actual needs, auxiliary materials and strains are added to the stirring barrel 2. The wet garbage is stirred by the stirring mechanism. After the stirring is completed, the discharge valve 11 is opened, so that the stirred wet garbage enters the buffer barrel 3. Then, the spiral conveyor 4 is used to convey the stirred wet garbage to the packaging bag 12 arranged in the holding barrel 5, for subsequent fermentation.

[0031] The embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and still fall within the protection scope of the present application.

Claims

1. A wet garbage fermentation pre-treatment apparatus, characterized by: Including the grinder, the stirring barrel, the buffer barrel, the screw conveyor and the containing barrel, the grinder is fixedly installed on the stirring barrel, the stirring barrel is equipped with stirring mechanism, and the top of the stirring barrel is equipped with feeding port, auxiliary material feeding hopper and strain feeding port, the discharge end of the grinder is connected with the feeding port, the bottom of the stirring barrel is equipped with discharge port, the discharge port is connected with the buffer barrel through the discharge pipe, the discharge valve is installed on the discharge pipe, the screw conveyor is connected between the buffer barrel and the containing barrel, and the containing barrel is equipped with packaging bag for storing pretreated wet garbage.

2. The wet waste fermentation pre-treatment apparatus according to claim 1, characterized in that: The stirring mechanism includes stirring motor, stirring shaft and stirring paddle, the stirring motor is fixed on the bottom of the stirring barrel, the stirring shaft is vertically arranged and is rotationally connected with the stirring barrel, the upper end of the stirring shaft extends into the stirring barrel and the stirring paddle is fixed on the upper end of the stirring shaft, and the lower end of the stirring shaft is connected with the motor shaft of the stirring motor after extending out of the stirring barrel.

3. The wet garbage fermentation pre-treatment device according to claim 1, characterized in that: The packaging bag includes inner bag and outer bag, the material of the inner bag is full-degradable material, and the material of the outer bag is polypropylene.

4. The wet waste fermentation pre-treatment apparatus according to claim 3, characterized in that: The inner bag and the outer bag are both provided with sealing structure.

5. The wet garbage fermentation pre-treatment apparatus according to claim 1, characterized in that: The stirring barrel is provided with observation window, and the observation window is closed by the observation plate made of transparent material.