CN111423253B - Kitchen waste treatment device - Google Patents

Abstract

The invention relates to a kitchen waste treatment device, which includes a crushing device, a fermentation device, a dry-wet separation device and an oil-water separation device. The dry-wet separation device includes a feed hopper, a discharge hopper and a water outlet. The outlet hopper is connected to the fermentation device, and the drain is connected to the oil-water separation device; the advantages of the present invention: the material pulverized by the crushing device is transported to the dry-wet separation device through the feed hopper, and the material is dried and wetted by the dry-wet separation device. Separation, and the dry-wet separated material is transported to the fermentation device through the discharge hopper. Secondly, the oil and water separated by dry and wet are transported to the oil-water separation device through the drain port for oil-water separation, thereby realizing the fine crushing of kitchen waste , Dry-wet separation, oil-water separation, fermentation treatment, oil, water and organic fertilizer discharged after separation can effectively reduce environmental pollution.

Description

A kitchen waste treatment device

technical field

The invention relates to the technical field of garbage treatment, in particular to a kitchen waste treatment device.

Background technique

With the improvement of environmental requirements, how to dispose of kitchen waste quickly and conveniently has become a top priority. Nowadays, many enterprises or scientific research units conduct research on kitchen waste, and have proposed various treatment equipment and methods. The existing kitchen waste treatment equipment only performs garbage crushing, without solid-liquid separation and oil-water separation. Adding bacterial strains for fermentation and deodorization prolongs the fermentation time, and the final organic fertilizer contains a lot of water and oil, and the excluded organic fertilizer has greasy substances, which cannot be effectively used as organic fertilizer.

Contents of the invention

The purpose of the present invention is to provide a kitchen waste treatment device, which can realize the solid-liquid separation and oil-water separation of kitchen waste, reduce the fermentation time, and improve the overall treatment efficiency.

In order to solve the above technical problems, the present invention is achieved through the following technical solutions: a kitchen waste treatment device, including a crushing device, a fermentation device, a dry-wet separation device and an oil-water separation device, and the dry-wet separation device includes a feed hopper , a hopper and a drain, the feed hopper is connected to the crushing device, the hopper is connected to the fermentation device, and the drain is connected to the oil-water separation device.

Preferably, the dry-wet separation device includes a first box body, a filter screen and a spiral blade, the filter screen is arranged in the first box body, and the filter screen separates the first box body into an upper cavity and a lower cavity, The helical blade is connected to the upper chamber through a rotating shaft and is located above the filter screen. The upper chamber is also provided with a feed port and a discharge port. The feed hopper is arranged above the upper chamber. The outlet The hopper is arranged on the outer wall of the upper chamber, and the rotating shaft is also provided with a pre-tensioning device, which is arranged on the outside of the upper chamber and is located in the discharge hopper, and the drain is arranged on the lower chamber, and the crushing A transmission assembly is provided between the device and the rotating shaft, and the transmission assembly includes a driven pulley, a driving pulley and a belt, the driven pulley is arranged on the rotating shaft, the driving pulley is arranged on the crushing device, and the The belt is provided between the driving pulley and the driven pulley.

Preferably, the pre-tightening device includes a spring, an end cover and a stopper sleeve, the end cover is fixedly connected to the rotating shaft, the stopper sleeve is movably connected to the rotating shaft, and one end of the spring is fixedly connected to the end On the cover, the other end of the spring is fixedly connected to the stop bushing.

Preferably, the oil-water separation device includes a housing and an oil-water separator arranged in the housing, the housing is provided with an oil-water feed pipe, a water outlet pipe and an oil outlet pipe connected to the oil-water separator, and the oil-water feed pipe The pipe is connected to the drain.

Preferably, the crushing device includes a second box body and a crushing assembly arranged in the second box body, the top end of the second box body is provided with a feed cleaning box, and the bottom end of the second box body is provided with a The feeding outlet communicates with the hopper, and the crushing device further includes a scraper for removing crushed particles between two adjacent crushing blades, and the scraper is detachably installed in the second box.

Preferably, the pulverizing assembly includes a pulverizing main shaft, a pulverizing sub-shaft and a pulverizing blade, and several pulverizing blades are arranged on the pulverizing main shaft and the pulverizing sub-shaft, and a motor is connected to the pulverizing main shaft, and the pulverizing main shaft and the pulverizing A gear transmission assembly is arranged between the secondary shafts.

Preferably, the feed cleaning box includes a third box body and an upper cover arranged on the third box body, the upper cover is provided with a water inlet pipe, and the inner wall of the upper cover is provided with a drain pipe.

Preferably, the fermentation device includes a tank and a cover, the cover is arranged on the tank, the cover is provided with a fermentation powder feeding port, a residue feeding port and an exhaust port, the tank is provided with A temperature control device and a stirring assembly are provided, a discharge port is provided at the bottom of the tank body, a discharge plate is provided on the tank body, and a discharge cover is rotatably connected to the discharge plate, and the tank body There is an electric push rod connected to the discharge cover, the discharge cover is sealed and connected to the discharge plate by the extension of the electric push rod, and the discharge cover is rotatably connected to the discharge plate by the contraction of the electric push rod. board.

Preferably, the kitchen waste treatment device further includes a support, and the crushing device, fermentation device, dry-wet separation device and oil-water separation device are all set on the support.

Preferably, the support is also provided with a deodorizing device detachably connected with the fermentation device.

To sum up, the advantages of the present invention are as follows: the material pulverized by the crushing device is transported to the dry-wet separation device through the feeding hopper, the dry-wet separation is carried out on the material through the dry-wet separation device, and the dry-wet separation is carried out through the discharge hopper. The material is transported to the fermentation device. Secondly, the oil and water separated from the dry and wet are transported to the oil-water separation device through the drain port for oil-water separation, thereby realizing the fine crushing, dry-wet separation, oil-water separation, fermentation treatment and separation of kitchen waste. The oil, water and organic fertilizer discharged after the fermentation can effectively reduce the pollution to the environment. Secondly, because the material has been separated from dryness and wetness and oil from water before fermentation, there is no need to add bacteria to the material for fermentation and decontamination. Odor treatment reduces the original fermentation time. Finally, the setting of the feed hopper, discharge hopper and drain can play a guiding role in the transportation of materials to ensure reliable and stable material transportation.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing:

Fig. 1 is a schematic structural view of a kitchen waste treatment device of the present invention;

Fig. 2 is the structural representation of dry-wet separation device in the present invention;

Fig. 3 is the structural representation of pretensioning device among the present invention;

Fig. 4 is the structural representation that filter screen is installed among the present invention;

Fig. 5 is the structural representation of oil-water separation device among the present invention;

Fig. 6 is the structural representation of pulverizing device among the present invention;

Fig. 7 is the exploded view of the second casing in the present invention;

Fig. 8 is the structural representation of fermenting device among the present invention;

Fig. 9 is an exploded view of the fermentation device in the present invention.

Reference signs:

1 crushing device, 11 second box, 111 front vertical board, 112 left vertical board, 113 rear vertical board, 114 right vertical board, 12 crushing assembly, 13 crushing main shaft, 14 crushing auxiliary shaft, 15 crushing blade, 16 motor, 161 coupling, 17 gear transmission assembly, 18 scraper, 181 positioning part, 182 scraping part, 19 retaining ring, 2 fermentation device, 20 tank body, 201 discharge port, 202 discharge plate, 203 discharge cover, 21 Cover body, 211 Fermentation powder feeding port, 212 Residue feeding port, 213 Exhaust port, 22 Electric push rod, 23 Temperature control device, 231 Heating wire, 24 Stirring component, 241 Stirring shaft, 242 Spiral blade, 25 Inner container , 26 temperature probe, 27 incubator, 28 fixed seat, 29 drive motor, 3 wet and dry separation device, 31 feed hopper, 32 discharge hopper, 33 drain, 34 first box, 35 filter screen, 351 U-shaped frame, 36 spiral blade, 37 upper cavity, 371 feed inlet, 372 discharge outlet, 38 lower cavity, 39 rotating shaft, 4 oil-water separation device, 41 shell, 42 oil-water separator, 43 oil-water feed pipe, 44 water outlet pipe , 45 oil outlet pipe, 5 pre-tensioning device, 51 spring, 52 end cover, 53 stop bushing, 6 transmission assembly, 61 driven pulley, 62 driving pulley, 63 belt, 7 feeding cleaning box, 71 third Box body, 72 upper cover, 73 fixed pipe, 74 water inlet pipe, 75 drain pipe, 8 bracket, 9 deodorizing device, 91 fan, 92 photocatalyst barrel, 93 heating barrel, 94 catalytic barrel.

Detailed ways

As shown in Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, Figure 7, Figure 8, and Figure 9, a kitchen waste treatment device includes a crushing device 1, a fermentation device 2, and a dry-wet separation device. Device 3 and oil-water separation device 5, described dry-wet separation device 3 comprises feed hopper 31, discharge hopper 32 and drain port 33, described feed hopper 31 is connected with crushing device 1, and described discharge hopper 32 is connected with fermentation device 2 The drain port 33 is connected to the oil-water separation device 5 .

The material pulverized by the crushing device 1 is conveyed to the dry-wet separation device 3 through the feed hopper 31, and the dry-wet separation is carried out on the material through the dry-wet separation device 3, and the dry-wet separated material is conveyed to the fermentation device through the discharge hopper 32 2, secondly, the oil and water separated by dry and wet are transported to the oil-water separation device 5 through the drain port 33 for oil-water separation, so as to realize the fine crushing, dry-wet separation, oil-water separation and fermentation treatment of kitchen waste, and discharge after separation The oil, water and organic fertilizer can effectively reduce the pollution to the environment. Secondly, since the dry-wet separation and oil-water separation have been carried out on the material before fermentation, there is no need to add bacteria to the material for fermentation and deodorization treatment , reducing the original fermentation time, and finally, the setting of the feed hopper 31, the discharge hopper 32 and the drain port 33 can play a guiding function for the transportation of materials and ensure the reliability and stability of material transportation.

The dry-wet separation device 3 includes a first box body 34, a filter screen 35 and a spiral blade 36, the filter screen 35 is installed in the first box body 34 by a U-shaped frame 351, and the filter screen 35 makes the first box body 34 is divided into an upper cavity 37 and a lower cavity 38, the spiral blade 36 is connected to the upper cavity 37 by a rotating shaft 39 and is located above the filter screen 35, and the upper cavity 37 is also provided with a feed port 371 and Outlet 372, the feed hopper 31 is arranged above the upper chamber 37, the outlet hopper 32 is arranged on the outer side wall of the upper chamber 37, and the rotating shaft 39 is also provided with a pretensioning device 5 for preloading The tightening device 5 is arranged on the outside of the upper chamber 37 and is located in the discharge hopper 32, the drain port 33 is arranged on the lower chamber 38, and a transmission assembly 6 is arranged between the crushing device 1 and the rotating shaft 39, and the transmission assembly 6 Comprising a driven pulley 61, a driving pulley 62 and a belt 63, the driven pulley 61 is arranged on the rotating shaft 39, the driving pulley 62 is arranged on the crushing device 1, and the belt 63 is arranged on the driving pulley Between 62 and the driven pulley 61, the material is conveyed into the box through the feed end, and the material is rotated and discharged by the rotation of the screw blade 36. During the rotation process, the moisture of the material is rotated and centrifugally separated from the material. Out, due to the setting of the filter assembly, the residue in the material is still discharged along the discharge end in the horizontal direction, and the moisture in the material flows into the lower cavity 38 after being filtered by the filter assembly, and is discharged through the water outlet, so that The material can be separated from wet and dry, and a preloading device 5 is installed on the rotating shaft 39 outside the box, which can not only be used to adjust the size of the material discharge, but also adjust the dry humidity of the material, thereby further improving the quality of the material residue after treatment , can adapt to different processing needs and meet different customer requirements.

The pretensioning device 5 includes a spring 51, an end cap 52 and a stop bushing 53, the end cap 52 is fixedly connected to the rotating shaft 39, the stop bushing 53 is movably connected to the rotating shaft 39, and the spring 51 One end of the spring 51 is fixedly connected to the end cover 52, and the other end of the spring 51 is fixedly connected to the stop bushing 53, and the spring 51 is compressed by pushing the stop bush 53 through the material to ensure that the material is discharged from the discharge end. , when the active force acting on the stopper sleeve 53 is removed, due to the elastic force of the spring 51, the quick reset of the stopper sleeve 53 can be ensured, reducing impurities entering the upper cavity 37, and finally, due to the elasticity of the spring 51 , so that the material can have a reaction force on the material when it is discharged, so the dry humidity of the material can be adjusted through the pre-tightening force of the spring 51, and the adjustment effect is good. The dry humidity of the material can be quickly adjusted without additional structures, and the adjustment effect Well, and the spring 51 can also be adjusted to adjust the output of the material.

The oil-water separator 5 includes a housing 41 and an oil-water separator 42 arranged in the housing 41, the housing 41 is provided with an oil-water feed pipe 43, a water outlet pipe 44 and an oil outlet pipe connected to the oil-water separator 42 45. The oil-water feed pipe 43 is connected to the drain port 33, which can realize rapid separation of oil and water, and discharge oil and water respectively through the water outlet pipe 44 and the oil outlet pipe 45, which improves the effect of oil-water separation. In this embodiment The oil-water separator 42 is a prior art, and the oil-water feed pipe 43 can guide the oil-water mixture after dry-wet separation, so as to ensure that the oil-water mixture enters the oil-water separator 42 accurately.

The crushing device 1 includes a second box body 11 and a crushing assembly 12 arranged in the second box body 11, the top of the second box body 11 is provided with a feed cleaning box 7, the second box body 11 The bottom end is provided with a discharge port that communicates with the feed hopper 31, and the crushing component 12 in the second box body 11 is used to crush the material, and the crushed material is transported to the feed hopper 31 through the discharge port. Ensure that the material accurately enters the dry-wet separation device 3, and the setting of the feed cleaning box 7 can spray the second box body 11 to facilitate the cleaning of the whole second box body 11. Secondly, the second box body 11 Including front vertical board 111, left vertical board 112, rear vertical board 113 and right vertical board 114, described front vertical board 111, left vertical board 112, rear vertical board 113 and right vertical board 114 are connected end to end in order to form described second vertical board. The box body is convenient for quick installation and fixing of the whole pulverizing device 1 .

The crushing assembly 12 includes a crushing main shaft 13, a crushing secondary shaft 14 and a crushing blade 15, and several crushing blades 15 are arranged on the crushing main shaft 13 and the crushing secondary shaft 14, and a motor 16 is connected to the crushing main shaft 13. A gear transmission assembly 17 is arranged between the crushing main shaft 13 and the crushing secondary shaft 14, and the driving pulley 62 is arranged on the crushing main shaft 13, and the gear transmission assembly 17 can ensure that the crushing main shaft 13 and the crushing secondary shaft 14 can be synchronized Rotate can improve the crushing quality and crushing efficiency of the whole rubbish. The crushing main shaft 13 and the crushing sub-shaft 14 are provided with retaining rings 19, and the retaining rings 19 are arranged between two adjacent crushing blades 15 to improve the crushing efficiency. The fixed quality of blade 15 can reduce the axial shaking of the crushing blade 15, improve the crushing quality of the crushing blade 15, and improve the service life of the crushing blade 15. The main shaft 13 is connected to each other, which can protect the crushing main shaft 13 and has a certain speed-limiting function, and improves the overall service life. The transmission assembly 6 includes a driving gear and a driven gear that mesh with each other. Above, the driven gear is arranged on the crushing auxiliary shaft 14, which can ensure that the whole crushing assembly 12 has good transmission efficiency, the overall structure is compact, the operation is reliable, and the overall service life can be improved.

The crushing device 1 also includes a scraper 18 for removing crushed particles between two adjacent crushing blades 15, the scraper 18 is detachably installed in the second box 11, and the scraper 18 includes a section The positioning part 181 connected to the box, and a section of scraping part 182 extending into the crushing assembly 12, and the positioning part and the scraping part are integrated structure, through the positioning part, the scraper 18 can be quickly and stably Installed in the box, the scraping part can ensure the precise removal of the crushed particles remaining in the crushing group. Secondly, the positioning part and the scraping part are set into an integrated structure, which can improve the strength of the entire scraper 18 and optimize the positioning part and scraping. The installation process between the moving parts is conducive to the processing of the entire scraper 18. The crushing device 1 includes two scrapers 18, and the two scrapers 18 are arranged on the front side wall and the rear side wall of the box. It can ensure that the scraper 18 can simultaneously remove the crushed particles at both ends of the crushing assembly 12, thereby improving the removal quality.

The feed cleaning box 7 includes a third box body 71 and an upper cover 72 arranged on the third box body 71, a fixing pipe 73 is also arranged between the upper cover 72 and the third box body 71, and the fixing The pipe 73 is provided with a water inlet pipe 74, and the inner side wall of the fixed pipe 73 is provided with a drain port 33. In order to guide the material, the third box 71 in this embodiment is arranged in a large upper part and a smaller lower part. Conical shape, the setting of the upper cover 72 can seal the feed hopper 31 to reduce dust or debris from entering the box. Finally, the water inlet pipe 74 is set on the fixed pipe 73, and different diameters can be set according to different needs. The water inlet pipe 74 has good practical performance, and the drain pipe 75 can ensure that water can enter the second box body 11 along the inner wall of the feed hopper 31 to realize the cleaning operation of the second box body 11. The fixed pipe 73 is arranged in a square shape, It can improve the water inlet efficiency and the cleaning quality.

The fermentation device 2 includes a tank body 20 and a cover body 21, the cover body 21 is arranged on the tank body 20, and the cover body 21 is provided with a fermentation powder feeding port 211, a residue feeding port 212 and an exhaust port 213 , the tank body 20 is provided with a temperature control device 23 and a stirring assembly 24, the bottom end of the tank body 20 is provided with a discharge port 201, and the tank body 20 is provided with a discharge plate 202, and the discharge A discharge cover 203 is rotatably connected to the plate 202, and the tank body 20 is provided with an electric push rod 22 connected with the discharge cover 203, and the discharge cover 203 is sealed and connected to the discharge On the plate 202, the discharge cover 203 is rotatably connected to the discharge plate 202 by the contraction of the electric push rod 22, and the electric push rod 22 connected to the discharge cover 203 is set on the tank body 20, and the electric push rod 22 The stretching of the discharge cover 203 is sealed and connected to the discharge plate 202. At this time, since the electric push rod 22 is always in an extended state, the discharge cover 203 is always under the force of the electric push rod 22, ensuring that the discharge cover 203 is not easy to move. It is opened to ensure the sealing effect of the entire tank 20 in the fermentation work and improve the fermentation efficiency. After the fermentation is completed, it is only necessary to control the shrinkage and reset of the electric push rod 22, and the discharge cover 203 is closed under the pulling force of the electric push rod 22. Rotatingly connected to the discharge plate 202, at this time, the material in the tank body 20 can be automatically discharged under the action of gravity, and the discharge can be quickly realized without changing other structures of the tank body 20, and the overall structure is compact. The discharge effect is obvious.

The temperature control device 23 includes a heating wire 231 and a PLC control box, which is not shown in the figure of the PLC control box, and the heating wire 231 is arranged on the tank body 20, and the electric control device is connected with the heating wire 231, which can be well Control the heating of the heating wire 231 to achieve good control of the temperature in the tank body 20. The tank body 20 is also provided with an inner container 25 for fixing the heating wire 231. The side wall of the inner container 25 is provided with a temperature probe 26. The temperature probe 26 is connected to the electric control device, and the inner container 25 is provided with a first discharge port compatible with the discharge port 201. The setting of the inner container 25 can improve the fixed quality of the heating wire 231, and the temperature probe The setting of 26 can obtain the temperature in the inner tank 25 in real time. When the temperature is too low, it can quickly send a heating command to the electric control device, thereby ensuring the stability of the temperature in the inner tank 25. The tank body 20 and the inner tank An incubator 27 is also provided between the bladders 25, and the incubator 27 is also provided with a second discharge port compatible with the discharge port 201 to ensure that the temperature of the inner container 25 is not affected, and the temperature in the inner container 25 is improved. Reliability, improve the stability of fermentation temperature during fermentation.

The stirring assembly 24 includes a stirring shaft 24 and a helical blade 242, the helical blade 242 is fixedly connected to the agitating shaft 24, the tank body 20 is provided with a fixing seat 28 for fixing the agitating shaft 24, and the agitating shaft 24 One end passes through the fixed seat 28 and is placed outside the tank body 20. The stirring shaft is connected with a drive motor 29, and the screw blade 242 can improve the stirring quality of the material in the fermenter and improve the fermentation efficiency. After passing through the fixing seat 28, it is placed outside the tank body 20, which is conducive to the connection between the stirring assembly 24 and the driving motor 29, and ensures that the stirring assembly 24 can rotate quickly.

The kitchen waste treatment device also includes a support 8, and the crushing device 1, fermentation device 2, dry-wet separation device 3 and oil-water separation device 5 are all arranged on the support 8, which can effectively separate the crushing device 1, fermentation device 2 , the dry-wet separation device 3 and the oil-water separation device 5 form an integral body with the bracket 8, which reduces the footprint of the entire kitchen waste treatment device and optimizes the overall pipeline arrangement.

The support 8 is also provided with a deodorizing device 9 detachably connected to the fermentation device 2, which can deodorize the fermented gas. The deodorizing device 9 in this embodiment includes a fan 91 for oxidizing organic gases. The photocatalyst barrel 92, the heating barrel 93 for heating organic gas and oxygen and the catalytic barrel 94 for reducing ozone and carbon monoxide, the photocatalyst barrel 92, the heating barrel 93 and the catalytic barrel 94 are all installed on the support 8, in addition, The photocatalyst barrel 92 in the present embodiment, the heating barrel 93 and the catalytic barrel 94 are all prior art, and the present embodiment is not described in detail, and one end of the blower fan 91 is provided with the photocatalyst barrel 92 air intake pipes, and the blower blower 91 The other end of the photocatalyst barrel 92 is connected with the heating barrel 93, and the heating barrel 93 is connected with the catalytic barrel 94. The catalytic barrel 94 is connected with an exhaust pipe, and the organic gas is sequentially discharged by the fan 91. Through photocatalyst barrel 92 oxidation treatment, heating barrel 93 heat treatment and redox treatment of catalytic barrel 94, because photocatalyst barrel 92 can carry out oxidation treatment to organic gas, and unoxidized organic gas is through heating barrel 93 heat treatment, makes organic The gas can react with oxygen, and the carbon monoxide and ozone produced by the heating reaction are processed by the catalytic barrel 94 to form oxygen and carbon dioxide, which are finally discharged through the exhaust pipe, thereby improving the quality of deodorization, reducing the pollution of organic gases to the environment, and being environmentally friendly The effect is good, energy saving and emission reduction are realized, and the unified installation and fixing of the photocatalyst barrel 92, the heating barrel 93 and the catalytic barrel 94 can be realized through the bracket 8, the overall space utilization rate is large, and it is suitable for use in restaurants.

Except above-mentioned preferred embodiment, the present invention also has other embodiments, and those skilled in the art can make various changes and deformations according to the present invention, as long as they do not depart from the spirit of the present invention, all should belong to the scope defined in the appended claims of the present invention scope.

Claims (5)

1. The utility model provides a kitchen garbage processing apparatus, includes reducing mechanism and fermenting installation, its characterized in that: the device comprises a fermentation device, a dry-wet separation device and a dry-wet separation device, wherein the dry-wet separation device comprises a feed hopper, a discharge hopper and a water outlet;

the dry-wet separation device comprises a first box body, a filter screen and a helical blade, wherein the filter screen is arranged in the first box body, the first box body is divided into an upper cavity and a lower cavity by the filter screen, the helical blade is rotationally connected with the upper cavity through a rotating shaft and is positioned above the filter screen, the upper cavity is further provided with a feed inlet and a discharge outlet, the feed hopper is arranged above the upper cavity, the discharge hopper is arranged on the outer side wall of the upper cavity, the rotating shaft is further provided with a pre-tightening device, the pre-tightening device is arranged on the outer side of the upper cavity and is positioned in a discharge hopper, the water outlet is arranged on the lower cavity, a transmission assembly is arranged between the crushing device and the rotating shaft, the transmission assembly comprises a driven belt pulley, a driving belt pulley and a belt, the driven belt pulley is arranged on the rotating shaft, the driving belt pulley is arranged on the crushing device, and the belt is arranged between the driving belt pulley and the driven belt pulley;

the pre-tightening device comprises a spring, an end cover and a stop shaft sleeve, wherein the end cover is fixedly connected to the rotating shaft, the stop shaft sleeve is movably connected to the rotating shaft, one end of the spring is fixedly connected to the end cover, and the other end of the spring is fixedly connected to the stop shaft sleeve;

the oil-water separation device comprises a shell and an oil-water separator arranged in the shell, wherein an oil-water feeding pipe, a water outlet pipe and an oil outlet pipe which are connected with the oil-water separator are arranged on the shell, and the oil-water feeding pipe is connected with the water outlet;

the crushing device comprises a second box body and a crushing assembly arranged in the second box body, wherein a feeding cleaning box is arranged at the top end of the second box body, a discharge hole communicated with a feed hopper is formed in the bottom end of the second box body, the crushing device further comprises a scraping plate for removing crushing particles between two adjacent crushing blades, and the scraping plate is detachably arranged in the second box body;

the fermentation device comprises a tank body and a cover body, wherein the cover body is arranged on the tank body, a fermentation powder feeding port, a residue feeding port and an exhaust port are formed in the cover body, a temperature control device and a stirring assembly are arranged on the tank body, a discharge port is formed in the bottom end of the tank body, a discharge plate is arranged on the tank body, a discharge cover is rotationally connected onto the discharge plate, an electric push rod connected with the discharge cover is arranged on the tank body, the discharge cover is hermetically connected onto the discharge plate by virtue of the extension of the electric push rod, and the discharge cover is rotationally connected onto the discharge plate by virtue of the contraction of the electric push rod;

the temperature control device comprises a heating wire and a PLC control box, wherein the heating wire is arranged on a tank body, the heating wire is connected with an electric control device, an inner container for fixing the heating wire is further arranged in the tank body, a temperature probe is arranged on the side wall of the inner container, the temperature probe is connected with the electric control device, and a first discharge hole matched with a discharge hole is formed in the inner container; an insulation box is arranged between the tank body and the inner container; the stirring assembly comprises a stirring shaft and a spiral blade, the spiral blade is fixedly connected to the stirring shaft, a fixing seat for fixing the stirring shaft is arranged on the tank body, one end of the stirring shaft penetrates through the fixing seat and then is arranged outside the tank body, and a driving motor is connected to the stirring shaft.

2. A kitchen waste treatment device according to claim 1, characterized in that: the crushing assembly comprises a crushing main shaft, a crushing auxiliary shaft and crushing blades, wherein a plurality of crushing blades are arranged on the crushing main shaft and the crushing auxiliary shaft, a motor is connected to the crushing main shaft, a gear transmission assembly is arranged between the crushing main shaft and the crushing auxiliary shaft, and the driving belt wheel is arranged on the crushing main shaft.

3. A kitchen waste treatment device according to claim 1, characterized in that: the feeding cleaning box comprises a third box body and an upper cover arranged on the third box body, a fixing pipe is further arranged between the upper cover and the third box body, a water inlet pipe is arranged on the fixing pipe, and a water outlet is arranged on the inner side wall of the fixing pipe.

4. A kitchen waste treatment device according to claim 1, characterized in that: the kitchen garbage treatment device further comprises a support, and the crushing device, the fermentation device, the dry-wet separation device and the oil-water separation device are all arranged on the support.

5. The kitchen waste treatment device according to claim 4, wherein: the bracket is also provided with a deodorizing device which is detachably connected with the fermenting device.