CN215886849U

CN215886849U - Kitchen waste treatment system

Info

Publication number: CN215886849U
Application number: CN202122217000.5U
Authority: CN
Inventors: 黄旭江; 付敏
Original assignee: Shenzhen Zhizhong Environmental Protection Technology Co ltd
Current assignee: Shenzhen Zhizhong Environmental Protection Technology Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-02-22
Anticipated expiration: 2031-09-13

Abstract

The kitchen waste treatment system comprises a lifting weighing module, a crushing and dewatering module, a fermentation stirring module and a drying and granulating module, wherein the lifting weighing module is used for lifting and weighing a garbage can and pouring out kitchen waste, the crushing and dewatering module is used for crushing and squeezing and dewatering the kitchen waste, the fermentation stirring module is used for performing aerobic fermentation and decomposition on the dewatered kitchen waste, and the drying and granulating module is used for drying the fermented kitchen waste and then preparing granular materials. By using the kitchen waste treatment system, the modules are connected by the closed screw conveyor, the equipment is highly integrated, the structure is compact, the occupied area is small, the operation process is closed, no odor is leaked, the automation degree is high, the operation is simple and easy to use, and the popularization is facilitated. The residue is granulated after being dried and mixed to prepare the granular organic fertilizer, which is beneficial to storage and subsequent use and improves the utilization rate of kitchen waste resources.

Description

Kitchen waste treatment system

Technical Field

The utility model relates to the technical field of kitchen waste treatment, in particular to a kitchen waste treatment system.

Background

With the continuous development of society, the treatment demand of kitchen waste is more and more, and at present, a technical route of kitchen waste treatment and resource utilization by anaerobic fermentation, aerobic fermentation, insect feeding method and the like is basically formed.

The anaerobic fermentation is that under the oxygen deficiency or oxygen-free environment, organic macromolecules of the kitchen waste are decomposed into methane, carbon dioxide, water and the like under the action of facultative bacteria and anaerobic bacteria, and in the anaerobic fermentation process, biogas can be collected as clean energy, can be used for power generation and centralized heat supply, the energy crisis is slowed down to a certain extent, and the reduction and the recycling of the kitchen waste are realized. However, the anaerobic fermentation treatment requires complicated equipment and technology, has large engineering investment, is difficult to clean and treat the residual biogas residues, and is not easy to popularize in cities with more than two or three lines or county level.

The method for feeding insects has small treatment capacity and complex technology, and is not beneficial to popularization.

The aerobic fermentation is a treatment method for biologically decomposing organic matters in the wastes by using the activity of microorganisms to make the organic matters harmless, reduced and recycled, wherein the reduction rate can reach over 90 percent, but the water content of the residues is about 60 percent, so that the kitchen wastes are inconvenient to store and subsequently utilize.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a kitchen waste treatment system which can overcome the defects of aerobic fermentation.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a kitchen waste treatment system comprises a lifting weighing module, a crushing and dewatering module, a fermentation stirring module and a drying and granulating module, wherein the lifting weighing module is used for lifting and weighing a garbage can and pouring out kitchen waste; the crushing and dehydrating module is used for crushing and squeezing and dehydrating kitchen garbage; the fermentation stirring module is used for carrying out aerobic fermentation decomposition on the dehydrated kitchen garbage; and the drying and granulating module is used for drying the fermented kitchen garbage and then preparing the kitchen garbage into granular materials.

Further, the crushing and dewatering module conveys the kitchen waste to the fermentation stirring module through a first conveyor, and the fermentation stirring module conveys the kitchen waste to the drying and granulating module through a second conveyor.

Furthermore, the lifting and weighing module comprises a lifting machine, a weighing machine and a monitoring camera.

Furthermore, the crushing and dewatering module comprises a crusher and an extruding and dewatering machine, and the crusher is arranged on the extruding and dewatering machine.

Furthermore, the fermentation stirring module comprises a stirrer, a ventilator, a heating machine, a temperature and humidity monitor, a carbon dioxide concentration monitor and a water collector, the fermentation and decomposition of the kitchen waste are promoted by adjusting the humidity, the temperature and the oxygen content in the fermentation stirring module, and the water collector is used for collecting moisture generated in the fermentation process.

Further, stoving granulation module includes a stoving section of thick bamboo, temperature and humidity transmitter, filter sieve and granulation machine.

Further, be provided with the letter sorting platform on the breaker, the letter sorting platform includes automatic sealed lid and the cleaning equipment that opens and shuts.

Further, still include oil water separator, oil water separator respectively with the extrusion hydroextractor and the letter sorting platform passes through the pipe connection.

Furthermore, the blades of the stirrer are of a structure of an inner spiral belt and an outer material frying plate.

Further, the heater is a wind-heat heater.

The beneficial effect of this application lies in: after the scheme is adopted, the kitchen waste treatment system provided by the utility model has the advantages that the modules are connected by the closed screw conveyor, the equipment is highly integrated, the structure is compact, the occupied area is small, the operation process is closed, no odor is leaked, the automation degree is high, the operation is simple and easy to use, and the popularization is facilitated. The residue is granulated after being dried and mixed to prepare the granular organic fertilizer, which is beneficial to storage and subsequent use and improves the utilization rate of kitchen waste resources.

Drawings

FIG. 1 is a schematic structural diagram of a kitchen waste disposal system according to an embodiment of the present invention;

FIG. 2 is a top view of a kitchen waste disposal system according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a stirring mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a drying and granulating module according to an embodiment of the present invention;

FIG. 5 is a right side view of a drying granulation module according to an embodiment of the present invention;

fig. 6 is a rear view of the structure of the drying granulation module according to the embodiment of the present invention.

Detailed Description

In order to make the technical scheme and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "vertical", "lateral", "longitudinal", "front", "rear", "left", "right", "upper", "lower", "horizontal", "oblique", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not mean that the device or component to which the present invention is directed must have a specific orientation or position, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; may be directly connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

the embodiment of the utility model provides a drying and granulating module 100. As shown in fig. 4-6, a drying and granulating module 100 according to an embodiment of the present invention includes a drying cylinder 110, a temperature and humidity transmitter, a filter sieve 120, and a granulator 130; the drying drum 110 is used for storing and drying materials; the filtering temperature and humidity transmitter is used for acquiring the humidity or/and the temperature of the materials in the drying cylinder 110; the filter screen 120 is disposed below the drying drum 110 for filtering the dried material, and the filtered material enters the granulator 130 to be made into a material.

The spiral blade 111 is arranged in the drying cylinder 110, and the drying cylinder 110 is used for charging during forward transmission and discharging during reverse transmission, or used for charging during forward transmission and reverse transmission. The drying cylinder 110 is wrapped by a silica gel electric heating plate 112, and the silica gel electric heating plate 112 is used for heating the drying cylinder 110. The outer casing of the drying drum 110 is generally selected to be a pear-shaped casing, but may be configured to be a casing with other shapes, such as an oval shape, and any shape may be selected as long as the shape is easy for the material to enter and exit the drying drum 110 and can dry the material in the drum more uniformly. The tail of the drying cylinder 110 is provided with a rotating shaft 113, and the electric power is supplied to the silica gel electric heating plate 112 through an electric brush 114 on the rotating shaft 113.

Humidity value or temperature value or humidity value temperature value that humidity transducer has preset all have, and humidity transducer can select according to actual production use needs promptly, can also be temperature transmitter or humidity transducer or wait inductive detector, and when the humidity or/and the temperature of the interior material of drying cylinder reached the default, the drying cylinder was discharged the material. The temperature and humidity transmitter is generally disposed on the drying drum 110, and the position of the temperature and humidity transmitter can be selected according to actual conditions, as long as the mode can collect the humidity or/and the temperature of the materials in the drying drum 110. In practical use, when the humidity or/and temperature of the material in the drying cylinder 110 reaches a preset value, the ingredients are generally required to be added and mixed uniformly, and then the material is discharged.

The filter screen 120 is generally selected as a vibrating screen, which can better screen out large and medium-sized substances, plastic films and impurities in the materials, and of course, other types of screens can be selected.

The granulator 130 is generally a vertical ring die granulator for producing granular organic fertilizer, and may be a molding machine capable of producing various shapes such as powder and block according to actual needs.

In the specific use: putting fermentation products of kitchen waste, namely materials, into a drying cylinder 110, wherein a transmission shaft 113 at the tail part of the drying cylinder 110 is connected with a speed reducer, two rollers are arranged on a front end rail for supporting, the rotating drying cylinder 110 is coated and heated by a silica gel electric heating plate 112, power is supplied to a heating plate through an electric brush 114 on the transmission shaft 113, a spiral blade 111 is arranged in the cylinder, the drying cylinder 110 is fed when rotating forwards, a temperature and humidity transmitter is used for controlling the drying degree of the materials, the materials are dried to the specified humidity, added with ingredients and mixed evenly, and discharged in a reverse rotation mode; a small vibrating screen is arranged at a discharge port of the dryer 110 and used for screening out large substances, plastic films and other sheet substances in the materials, the large substances, the plastic films and other sheet substances are additionally treated as dry garbage, and the screened substances enter the granulator 130 to be prepared into granular organic fertilizers.

By using the drying and granulating module, the kitchen waste fermentation product is directly prepared into organic fertilizer particles through the mutual matching of the drying cylinder, the temperature and humidity transmitter, the filter sieve and the granulator, so that the organic fertilizer particles are beneficial to storage and subsequent use, can be used for soil improvement and landscaping, and achieve the purpose of recycling treatment of kitchens. And the equipment has high automation degree, simple operation, easy use and convenient popularization.

Example 2:

the embodiment of the utility model provides a kitchen waste treatment system. As shown in fig. 1 and 2, a kitchen waste treatment system according to an embodiment of the present invention includes a lifting and weighing module 600, a crushing and dewatering module 500, a fermentation and stirring module 300, and a drying and granulating module 100. The lifting and weighing module 600 is used for lifting and weighing the garbage can and pouring out kitchen garbage; the crushing and dewatering module 500 is used for crushing and squeezing and dewatering kitchen garbage; the fermentation stirring module 300 is used for performing aerobic fermentation decomposition on the dehydrated kitchen waste; the drying and granulating module 100 is used for drying the fermented kitchen garbage and then preparing the kitchen garbage into granular materials.

The crushing and dehydrating module 500 transfers the kitchen waste to the fermentation stirring module 300 through the first conveyor 400, and the fermentation stirring module 300 transfers the kitchen waste to the drying and granulating module 100 through the second conveyor 200.

In a specific implementation, the kitchen waste treatment system according to the embodiment of the present invention further includes a tail gas treatment module, a deodorization module, and a heat preservation module, which can further improve the treatment effect, but are not necessary features.

The lifting weighing module 600 is composed of a lifter, a weighing sensor and a camera, and realizes the lifting, weighing and monitoring automation of the garbage can.

Broken dehydration module 500 is integrated as an organic whole by breaker, extrusion dewaterer, and on the extrusion dewaterer was arranged in to the breaker, the hydroextractor delivery port passed through the pipe connection with oil water separator, and the discharge gate is connected through confined screw conveyer with fermentation mixer side, reduces equipment height and area, prevents that the foul smell from revealing.

Sorting platform 510 is integrated on the breaker, passes through the pipe connection with oil water separator, is provided with automatic sealed lid and the belt cleaning device that opens and shuts.

The fermentation mixer module 300 includes a mixer, a ventilator, a heater, a temperature and humidity monitor, a carbon dioxide concentration monitor, a water collector, an automatic discharge port, etc. The stirrer blade 310 is designed into a structure of an inner spiral belt 311 and an outer material copying plate 312, so that the stirring is uniform and the efficiency is high. The heating system adopts hot air for heating, thereby saving energy and reducing consumption. The monitoring machines are matched with the ventilator and the heater, and the materials are subjected to full aerobic fermentation and decomposition by adjusting the moisture, oxygen content and temperature change of the raw materials. The water collector collects and discharges distilled water generated in the fermentation process, and prevents water from being repeatedly evaporated to consume energy.

The temperature of the equipment is controlled to be 55-60 ℃ through the functions of ventilation, oxygenation, stirring and the like, the optimal temperature for fermentation treatment of the kitchen waste is reached, a large amount of pathogenic bacteria and parasites in the kitchen waste pile can be killed at the optimal temperature, and meanwhile, the deodorization module is used for performing biological odor on discharged gas, so that the aim of harmless treatment of the kitchen is fulfilled.

Drying and granulating module 100 includes drying drum 110, temperature and humidity transmitter, filter sieve 120 and granulator 130. Putting fermentation products of kitchen waste, namely materials, into a drying cylinder 110, wherein a transmission shaft 113 at the tail part of the drying cylinder 110 is connected with a speed reducer, two rollers are arranged on a front end rail for supporting, the rotating drying cylinder 110 is coated and heated by a silica gel electric heating plate 112, power is supplied to a heating plate through an electric brush 114 on the transmission shaft 113, a spiral blade 111 is arranged in the cylinder, the drying cylinder 110 is fed when rotating forwards, a temperature and humidity transmitter is used for controlling the drying degree of the materials, the materials are dried to the specified humidity, added with ingredients and mixed evenly, and discharged in a reverse rotation mode; a small vibrating screen is arranged at a discharge port of the dryer 110 and used for screening out large substances, plastic films and other sheet substances in the materials, the large substances, the plastic films and other sheet substances are additionally treated as dry garbage, and the screened substances enter the granulator 130 to be prepared into granular organic fertilizers. Is beneficial to storage and subsequent use, can be used for soil improvement and landscaping, and achieves the purpose of resourceful treatment of kitchen waste.

After the scheme is adopted, the kitchen waste treatment system provided by the utility model utilizes an aerobic fermentation biological bacterium technology, is high in reduction rate, low in energy consumption and low in operation cost, and achieves the purpose of kitchen waste reduction treatment. The modules are connected by a closed screw conveyor, the equipment is highly integrated, the structure is compact, the occupied area is small, the operation process is closed, no odor is leaked, the automation degree is high, the operation is simple, the use is easy, and the popularization is convenient. The residue is granulated after being dried and mixed to prepare the granular organic fertilizer, which is beneficial to storage and subsequent use and improves the utilization rate of kitchen waste resources.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the utility model is not to be considered limited to those descriptions. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims

1. A kitchen waste treatment system is characterized by comprising a lifting weighing module, a crushing and dehydrating module, a fermentation stirring module and a drying and granulating module,

the lifting and weighing module is used for lifting and weighing the garbage can and pouring out kitchen garbage;

the crushing and dehydrating module is used for crushing and squeezing and dehydrating kitchen garbage;

the fermentation stirring module is used for carrying out aerobic fermentation decomposition on the dehydrated kitchen garbage;

and the drying and granulating module is used for drying the fermented kitchen garbage and then preparing the kitchen garbage into granular materials.

2. The kitchen waste treatment system of claim 1, wherein the crushing and dewatering module transfers kitchen waste to the fermentation and agitation module via a first conveyor, and the fermentation and agitation module transfers kitchen waste to the drying and granulating module via a second conveyor.

3. The kitchen waste treatment system according to claim 1, wherein the lifting and weighing module comprises a lifter, a weighing machine, and a monitoring camera.

4. The kitchen waste treatment system according to claim 1, wherein said crushing and dewatering module comprises a crusher and an extruding and dewatering machine, and said crusher is disposed on said extruding and dewatering machine.

5. The kitchen waste treatment system according to claim 1, wherein the fermentation stirring module comprises a stirrer, a ventilator, a heater, a temperature and humidity monitor, a carbon dioxide concentration monitor and a water collector, wherein the fermentation decomposition of the kitchen waste is promoted by adjusting the humidity, temperature and oxygen content in the fermentation stirring module, and the water collector is used for collecting moisture generated in the fermentation process.

6. The kitchen waste treatment system according to claim 1, wherein the drying and granulating module comprises a drying drum, a temperature and humidity transmitter, a filter sieve and a granulator.

7. The kitchen waste treatment system according to claim 4, wherein a sorting platform is provided on said crusher, said sorting platform comprising an automatically opening and closing sealing cover and a cleaning device.

8. The kitchen waste treatment system according to claim 7, further comprising an oil-water separator, wherein the oil-water separator is connected to the squeezing dehydrator and the sorting platform through pipes, respectively.

9. The kitchen waste treatment system according to claim 5, wherein the mixer blades are of an inside ribbon plus outside frying plate configuration.

10. The kitchen waste treatment system of claim 9, wherein the heater is a wind-heat heater.