CN210230998U

CN210230998U - Kitchen waste treatment machine for treating wet garbage

Info

Publication number: CN210230998U
Application number: CN201921427861.2U
Authority: CN
Inventors: Yong Chen; 陈湧; Yingfan Lu; 卢应梵
Original assignee: Baiwo Xinglian Shanghai Environmental Protection Technology Co Ltd
Current assignee: Baiwo Xinglian Shanghai Environmental Protection Technology Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-04-03
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a kitchen waste machine for processing wet garbage, which comprises a kitchen waste machine body, wherein the kitchen waste machine body comprises a stirring cabin, a stirring device, a slag discharge groove, a heating device and a PLC (programmable logic controller), a biological carrier which can be used for colonization and propagation expansion of biological strains is loaded in the stirring cabin, and the biological strains for decomposing the wet garbage are attached to the biological carrier; the slag discharge groove is arranged below the stirring cabin, and a filter screen is arranged at the bottom of the stirring cabin; the diameter of the filtering holes of the filter screen is smaller than that of the biological carrier; the heating device is arranged outside the stirring cabin, the stirring device comprises a stirring shaft, a plurality of stirring arms and stirring blades arranged on the stirring arms, and the stirring arms and the stirring blades are arranged in the stirring cabin; and the stirring device and the heating device are respectively connected with the PLC. After adopting above-mentioned structure, its beneficial effect is that can the on-the-spot wet rubbish of handling, environmental pollution reduces, and the cost of transportation reduces.

Description

Kitchen waste treatment machine for treating wet garbage

Technical Field

The utility model belongs to the technical field of surplus quick-witted treatment facility in kitchen, specific theory is about a surplus machine in kitchen for handling wet rubbish.

Background

The wet garbage is mainly characterized by rich organic matter content, high water content and easy decay, the properties and the smell of the wet garbage can cause bad influence on environmental sanitation, and harmful substances such as pathogenic microorganisms, mycotoxin and the like can be easily grown. Wet garbage becomes a unique phenomenon in the world. No less than 6000 million tons of wet garbage are generated in China cities every year. When the decomposition speed of the nature is far from the speed of producing garbage by human beings.

Hazards of wet garbage: (1) the environment is polluted, and the appearance of the market is influenced; (2) the health of human body is harmed; (3) spread of disease; (4) the infiltration liquid generated during stacking in the wet garbage enters a pipe network system, so that the content of organic matters is increased, the burden of a sewage treatment plant is increased, and the operation cost is increased.

In conclusion, the wet garbage has serious harm to the environment and people, is an important pollution source for urban environment, and poses a threat to the normal life and the body health of people. At present, the problem of the harm of wet garbage has attracted high attention of government and wide attention of people. To completely solve the above problems, wet garbage disposers have come into the spotlight as a new industry.

At present, wet garbage is treated in various modes, and the common modes are as follows: 1. the basic principle of breeding the black soldier flies is that the black soldier flies eat garbage, and the defect is that the number of wet garbage treated by the black soldier flies is limited; 2. the waste incineration power generation comprises the following treatment processes: firstly, collecting the wet garbage in a centralized way, conveying the wet garbage to a treatment station for extrusion, separating the moisture of the wet garbage, and then using the dry slag for power generation. The method has the advantages that a large amount of odor is generated in collection stations and transportation, the transportation cost is high, the odor is generated by burning, the treatment cost is high, and the like; 3. composting treatment, the treatment process comprises: extruding, separating oil and water, crushing, carrying out aerobic reaction, and producing the organic fertilizer. The disadvantages are that: the collection and composting points are not in the same place, and aerobic reaction can occur in the wet garbage collection points and the transportation process, so that a large amount of odor is generated, the environment is polluted, and meanwhile, the transportation cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a surplus machine in kitchen for handling wet rubbish to solve the problem that current wet rubbish aerobic reaction smells and the polluted environment and current wet rubbish's treatment cost is high.

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

a kitchen waste machine for processing wet garbage comprises a kitchen waste machine body, wherein the kitchen waste machine body comprises a stirring cabin, a stirring device, a slag discharge groove, a heating device and a PLC (programmable logic controller),

a biological carrier is loaded in the stirring cabin, the biological carrier can be used for colonization and expanded propagation of biological strains, and the biological strains are attached to the biological carrier and are used for decomposing wet garbage;

the slag discharging groove is arranged below the stirring cabin, and a filter screen is arranged at the bottom of the stirring cabin and used for enabling the decomposed wet garbage waste water to flow into the slag discharging groove below the stirring cabin; the diameter of the filtering holes of the filter screen is smaller than that of the biological carrier, so that the biological carrier is ensured not to be discharged through the filter screen;

the heating device comprises a heating sheet which is arranged outside the stirring cabin and used for heating the stirring cabin, so that the environment in the stirring cabin is suitable for the survival of thalli;

the stirring device comprises a stirring shaft, a plurality of stirring arms and stirring blades arranged on the stirring arms, and the stirring arms and the stirring blades are arranged in the stirring cabin and are used for stirring the wet garbage and the biological carrier so as to fully mix the wet garbage and the biological strains;

and the stirring device and the heating device are respectively connected with the PLC.

According to the utility model, the filtering holes of the filtering net are strip-shaped holes with the thickness of 1.6mm 16mm, and the filtering holes are mainly used for discharging water after the decomposition of the wet garbage; the biological carrier is a cylinder, the diameter of the surface of the biological carrier is 1cm, and the height of the biological carrier is 1 cm.

According to the utility model discloses, the outside of heating plate is equipped with thermal-insulated cotton, plays the heat preservation effect.

According to the utility model discloses, heating device includes first temperature sensor and second temperature sensor, and first temperature sensor is used for controlling the temperature in stirring cabin, and second temperature sensor is mechanical temperature sensor for prevent that heating device from becoming invalid, do secondary protect function and use.

According to the utility model, the stirring shaft traverses the left and right side plates of the stirring cabin, a group of anti-leakage devices are respectively arranged on the left and right side plates of the stirring cabin, each anti-leakage device comprises a spherical bearing, two framework oil seals, a framework oil seal fixing disc, a first silica gel pad, two flange plates, an upper half silica gel pad, a lower half silica gel pad, an upper half disc and a lower half disc, the cambered surface bearing is arranged in interference fit with the framework oil seal, two framework oil seals are arranged in the framework oil seal fixing disc, the upper half silica gel pad and the lower half silica gel pad form a second silica gel pad, the upper half disc and the lower half disc form a disc,

the stirring shaft is sequentially and coaxially provided with a spherical bearing, two framework oil seals, a first silica gel pad, the flange plate, the side plate of the stirring cabin, the flange plate, a second silica gel pad and a disc from outside to inside in a penetrating manner;

the upper half disc and the lower half disc are symmetrically provided with graphite sealing grooves, and graphite sealing rings are arranged in the graphite sealing grooves and play a role in sealing.

Furthermore, at least two graphite sealing grooves are symmetrically arranged on the upper half disc and the lower half disc, and graphite sealing rings are arranged in the graphite sealing grooves to achieve a sealing effect.

According to the utility model, the upper half silica gel pad, the lower half silica gel pad, the upper half disc and the lower half disc are all provided with mounting holes, and the upper half disc, the upper half silica gel pad and the flange disc are detachably connected through fixing parts; the lower semicircular disc, the lower semicircular silica gel pad and the flange disc are detachably connected through the fixing piece, so that the lower semicircular disc, the lower semicircular silica gel pad and the flange disc are convenient to mount and dismount; the framework oil seal fixing disc, the first silica gel pad and the flange disc are detachably connected through the fixing piece.

Furthermore, the upper and lower two graphite seal grooves which are arranged oppositely form a circular groove, a graphite seal ring is arranged in the graphite seal groove, the graphite seal ring is a semicircular ring, the two graphite seal rings form a circular ring, the circular ring is matched with the circular groove, and the opening of each graphite seal ring is not positioned in the same direction of the stirring shaft, so that the interfaces of each graphite seal ring are crossed and staggered, and the sealing performance of the stirring shaft can be fully ensured.

According to the utility model discloses, agitating unit is still including being used for driving (mixing) shaft pivoted drive arrangement, drive arrangement includes gear motor. When the stirring shaft is used, the driving chain wheel sleeved on the stirring shaft is driven to rotate through the speed reducing motor, so that the stirring shaft is driven to rotate. And the speed reducing motor is connected with the PLC. The start and stop of the speed reducing motor, the rotating speed of the speed reducing motor and the like are controlled by the PLC.

According to the utility model discloses, surplus quick-witted body in kitchen still includes prevents stifled blowback device, prevent stifled blowback device and locate the inside of scum groove, prevent stifled blowback device and include a plurality of shower, the shower is connected with the first bypass pipe on the inlet tube respectively, is equipped with a plurality of high-pressure nozzle on the shower respectively for wash the filtration pore on the filter screen, high-pressure nozzle sets up relatively the filter screen slope, is convenient for wash the filter screen fast, high-efficiently, be equipped with first solenoid valve on the first bypass pipe; the first electromagnetic valve is connected with the PLC, and the opening or closing of the first electromagnetic valve is controlled through the PLC.

Preferably, the included angle between the high-pressure nozzle and the filter screen is 110 degrees, so that a good cleaning effect is ensured.

According to the utility model discloses, the filter screen is convex, the (mixing) shaft is horizontal setting, stirring leaf and the inner wall interval 2cm-3cm of filter screen ensure that coarse slag homoenergetic such as shell, eggshell, coarse fibre, bone residue in the waste water after the surplus machine of kitchen is handled can be stirred, and the coarse slag of being convenient for falls into the scum groove fast.

Furthermore, the shortest distance between the high-pressure nozzle and the filter screen is 90-110 mm.

According to the utility model discloses, the surplus quick-witted body in kitchen still includes weighing sensor, weighing sensor locates the bottom of the surplus quick-witted body in kitchen, weighing sensor is connected with the PLC controller after passing through the changer transmission. The weighing sensor is mainly used for detecting the total weight of the kitchen waste machine body and wet waste and decomposed liquid in the kitchen waste machine body, and is used as a basis for counting the wet waste added by the kitchen waste machine and the decomposed wet waste. The specific process is as follows: and then the weight signal is sent to a transmitter, the weight signal is converted into a digital signal or an analog signal by the transmitter and is transmitted to a PLC (programmable logic controller), the PLC calculates whether the decomposed liquid leaks into the slag discharging tank and is discharged according to the weight information, calculates whether the decomposition of the wet garbage is finished, calculates the total amount of the wet garbage decomposed by the kitchen garbage machine, calculates whether biological strains need to be added in the mixing cabin, and the like. For example: when the weighing sensor senses that the decrement of the kitchen waste machine body in the set time is not enough, the filter screen can be blocked. At the moment, the PLC sends a signal, the first electromagnetic valve is opened, and the high-pressure nozzle performs back blowing.

Further, the weighing sensors are preferably four and are respectively arranged at four corners of the kitchen waste machine body, the four weighing sensors are communicated with the PLC after being transmitted through the transmitters, and four adjusting bolts are further arranged at the bottom of the kitchen waste machine body and are used for adjusting the flatness of the bottom of the kitchen waste machine body, so that the four weighing sensors are uniformly stressed, and the accuracy of an analysis result is ensured.

According to the utility model discloses, the upper portion of the surplus quick-witted body in kitchen is equipped with the material hatch for put in rubbish and put in the biological carrier etc. that have attached to biological bacterial.

According to the utility model discloses, the left and right sides of scum groove is towards water end and drainage end respectively, washes by water and serves and be equipped with a plurality of flushing pipe, respectively is equipped with a washing nozzle on the flushing pipe for the waste water after decomposing the surplus machine in kitchen in the scum groove is washed by water end towards the drainage end to the surplus machine in discharge kitchen, the flushing pipe is connected with the second bypass pipe of inlet tube respectively, be equipped with the second solenoid valve on the second bypass pipe, the drainage is served and is equipped with the outlet. The second electromagnetic valve is connected with the PLC controller, and the opening or closing of the second electromagnetic valve is controlled through the PLC controller.

Furthermore, the bottom surface of the slag discharging groove is an inclined plane plate, and the flushing end of the inclined plane plate is higher than the drainage end, so that impurities such as shells, egg shells, crude fibers, bone residues, silt, sludge, suspended matters and the like can be flushed out of the slag discharging groove conveniently.

Furthermore, the slag discharge groove is made of stainless steel.

According to the utility model, the top of the kitchen waste machine body is also provided with an observation hole for observing the biochemical reaction state and the like in the kitchen waste machine.

According to the utility model discloses, the bottom of the surplus quick-witted body in kitchen is equipped with the truckle, is convenient for remove the surplus machine in kitchen.

According to the utility model discloses, surplus quick-witted body in kitchen still includes hydraulic pressure elevating gear, hydraulic pressure elevating gear includes hydraulic pressure elevating system, hydraulic pressure workstation and hydraulic cylinder, and hydraulic pressure workstation is used for controlling opening of hydraulic cylinder and stops, and hydraulic cylinder is hydraulic pressure elevating system's executor for control hydraulic pressure elevating system's lift, hydraulic pressure elevating system passes through hydraulic pressure workstation and hydraulic cylinder's mating reaction, realizes promoting the material cabin mouth to wet rubbish from the lower extreme of surplus quick-witted body in kitchen to pour the wet rubbish in the garbage bin into the stirring cabin.

Furthermore, the kitchen waste machine body further comprises a garbage can cleaning device, the garbage can cleaning device comprises a water spraying pipe, the water spraying pipe is provided with a cleaning nozzle and used for cleaning the garbage can, the water spraying pipe is connected with a third bypass pipe on the water inlet pipe, a third electromagnetic valve is arranged on the third bypass pipe and connected with the PLC, an upper travel switch is arranged at the upper end of the hydraulic lifting mechanism and connected with the PLC, and when the kitchen waste machine is used, the upper travel switch sends a signal to the PLC, and the opening or closing of the third electromagnetic valve is controlled through the PLC. Usually after waiting 5s, the sprinkler pipe sprays water, and this time can be set. When the hydraulic lifting mechanism rises and touches an upper travel switch, a hydraulic pump in the hydraulic workstation stops working, the garbage can is dumped, meanwhile, the PLC controller carries out calculation timing, when the set time is reached, the cleaning nozzle sprays water, the PLC controller also sets the time of spraying water, when the time of spraying water is reached, the hydraulic oil pump is automatically started, the hydraulic lifting mechanism descends, and when the hydraulic lifting mechanism descends, the hydraulic pump stops working after the hydraulic lifting mechanism descends and touches a lower travel switch at the lower part of the hydraulic device.

According to the utility model discloses, the top of stirring tank is the filler pipe in addition, and the below of filler pipe is equipped with a plurality of apertures, the filler pipe is connected with the fourth bypass pipeline on the inlet tube, is equipped with the fourth solenoid valve on the fourth bypass pipeline, and the fourth solenoid valve is connected with the PLC controller, controls opening or closing of fourth solenoid valve through the PLC controller, when the fourth solenoid valve is opened, can add water to the stirring tank to guarantee the necessary humidity of biological bacterial. The water addition time can be set as required.

The utility model discloses a surplus machine in kitchen for handling wet rubbish, its beneficial effect is:

1. the kitchen waste machine of the utility model can directly treat wet waste on site, does not have the problem that the wet waste collection station and the aerobic reaction in the transportation process cause odor to pollute the environment, and can reduce the transportation cost; in addition, the application range is wide, for example: the kitchen waste machine can be directly applied to wet waste collection sites of large-scale farmer markets and residential districts and the like, is used for decomposing vegetable leaves of the farmer markets, wet waste in the districts and the like, and has wide application range;

2. the kitchen waste machine is internally provided with a biological carrier, biological strains are attached to the biological carrier and colonize and propagate on the biological carrier, and the diameter of a filter hole of the filter screen is smaller than that of the biological carrier, so that the biological carrier is always remained in the kitchen waste machine, enough biological strains are kept in the kitchen waste machine, newly added wet garbage can be decomposed, and the biological strains do not need to be thrown every time;

2. the arrangement of the heating device can provide a suitable environment for the biological strains in the kitchen waste machine to be stable, and is beneficial to the growth and the propagation of the biological strains and the decomposition of wet garbage;

3. the leakage-proof device is arranged, when the leakage-proof device needs to be maintained and the like, the whole stirring shaft does not need to be disassembled, only the upper half silica gel pad, the lower half silica gel pad, the upper half disc and the lower half disc need to be disassembled, and the upper half silica gel pad, the lower half silica gel pad, the upper half disc and the lower half disc are replaced with new ones, so that the leakage-proof device is convenient to install and disassemble, and the installation and disassembly cost can be greatly reduced; the openings of the graphite sealing rings on the upper half disc and the lower half disc are not in the same direction of the stirring shaft, so that the interfaces of the graphite sealing rings are crossed and staggered, and the sealing property of the stirring shaft can be fully ensured;

4. due to the arrangement of the anti-blocking back-blowing device, the filter screen at the bottom of the stirring cabin can be back-blown, so that a mixture of soil and the like can be timely cleaned, the filter screen is prevented from being blocked by the soil, the maintenance time can be shortened, and the maintenance cost can be reduced;

5. the bottom surface slope of scum groove sets up, and washes by water the end and be higher than the drainage end, is convenient for wash out the scum groove with impurity such as shell, eggshell, coarse fibre, bone residue, silt, mud, suspended solid.

Drawings

Fig. 1 is a perspective view of the garbage disposer for treating wet garbage according to the present invention.

Fig. 2 is a schematic view of a partial cross-sectional view of the garbage disposer for treating wet garbage according to the present invention.

FIG. 3 is a schematic view of the stirring shaft and the leakage preventing device.

Fig. 4 is a partially enlarged view of a portion a of fig. 3.

Fig. 5 is a partial enlarged view of a-1 of fig. 4.

Fig. 6 is a partially enlarged view of a portion B of fig. 3.

Fig. 7 is a schematic structural view of a disc.

FIG. 8 is a schematic structural diagram of a slag discharge groove and an anti-blocking back-blowing device.

Fig. 9 is a schematic structural diagram of the slag discharging groove.

Fig. 10 is a partially enlarged view of a portion C of fig. 9.

Fig. 11 is another perspective view of the garbage disposer for treating wet garbage according to the present invention.

Fig. 12 is a partially enlarged view of a portion D of fig. 11.

Fig. 13 is another schematic view of a partial cross-sectional view of the garbage disposer of the present invention.

Detailed Description

The kitchen garbage machine for processing wet garbage according to the present invention will be described in detail with reference to the accompanying drawings. In the description of the present embodiment, unless otherwise specified, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or assembly referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 and 2, for the utility model discloses a surplus machine in kitchen for handling wet rubbish, including surplus quick-witted body 10 in kitchen, surplus quick-witted body 10 in kitchen includes stirred tank 2, agitating unit 3, row's cinder notch 4, heating device 6 and PLC controller, the PLC controller is located in the PLC control box 98.

The stirring cabin 2 is loaded with a biological carrier 20, the biological carrier is a biological carrier BIOSTAR which can be purchased from the environmental protection technology company Limited of Liowatty (Shanghai), the biological carrier BIOSTAR is provided with a plurality of small holes and can be used for colonization and expanded propagation of biological strains, the biological carrier is attached with biological strains which can decompose the kitchen waste into water and a small amount of impurities, and the biological strains are mixed bacteria of bacillus subtilis and bacillus thuringiensis. Wherein the preservation number of the bacillus subtilis is ACCC11089, and the preservation number of the bacillus thuringiensis is ACCC 01585.

Arrange the below of cinder notch 4 located stirring cabin 2, arrange the welding of cinder notch 4 in the bottom of stirring cabin 2, the bottom of stirring cabin 2 is filter screen 21 for in the row cinder notch 4 of stirring cabin 2 below is flowed to the wet rubbish waste water after will decomposing, the diameter of filter screen 21's filtration pore 210 is less than the diameter of biological carrier 20, ensures that biological carrier 20 can not discharge through the filter screen.

The heating device 6 comprises a heating sheet which is arranged outside the stirring cabin 2 and used for heating the stirring cabin 2, so that the environment in the stirring cabin is suitable for the survival of biological strains; when the heating device is used, the heating switch is turned on, and when the heating sheet works to the set temperature, the heating switch is automatically turned off.

The stirring device 3 comprises a stirring shaft 31, a plurality of stirring arms 32 and stirring blades 33 arranged on the stirring arms 32, wherein the stirring arms 32 and the stirring blades 33 are arranged in the stirring cabin 2 and are used for stirring the wet garbage and the biological carrier 20, so that the wet garbage and the biological strains are fully mixed. It should be noted that 3-7 stirring arms 32 in different directions are welded on the stirring shaft 31, the number of the stirring arms 32 is different due to different models, the installation angles of the stirring arms 32 are different, 360-degree equal division angles are adopted according to the number of the stirring arms 32, so that the biological carrier 20 and the wet material can be fully mixed, during stirring, the biological carrier and the wet garbage are stirred by the stirring arms 32 and the stirring blades 33 to roll back and forth, the stirring blades 33 are arranged on the stirring arms 32, and the stirring blades 33 are obliquely arranged relative to the stirring arms 32, so that the mixing effect of the wet garbage and the biological carrier is better, the models are different, and the inclination angles are different.

And the stirring device 3 and the heating device 6 are respectively connected with a PLC.

As shown in fig. 2, the filtering holes 210 of the filtering net 21 are strip-shaped holes 1.6mm by 16mm, and the filtering holes 210 are mainly used for discharging water after the wet garbage is decomposed; the biological carrier 20 is a cylinder with a surface diameter of 1cm and a height of 1 cm.

And heat insulation cotton is arranged outside the heating sheet to play a role in heat preservation.

The heating device 6 comprises a first temperature sensor and a second temperature sensor (not shown in the figure), the first temperature sensor is used for controlling the temperature of the stirring cabin 2, in use, the first temperature sensor is connected with a first temperature module of the PLC controller, the first temperature module is used for carrying out PID control on the temperature of the stirring cabin 2, the temperature of the stirring cabin 2 is in a temperature range set by the first temperature module, the second temperature sensor is a mechanical temperature sensor and is connected with a second temperature module of the PLC controller, when a temperature signal output by the second temperature sensor is greater than a temperature value set by the second temperature module, the PLC controller controls the heating switch to be turned off, the heating device is powered off, and therefore the second temperature sensor is mainly used for preventing the heating device from being out of work and plays a secondary protection function.

As shown in fig. 3-7, the stirring shaft 31 traverses the left and right side plates 22 of the stirring chamber 2, a set of leakage prevention devices 1 are respectively arranged on the left and right side plates 22 of the stirring chamber 2, each leakage prevention device 1 includes a spherical bearing 11, two framework oil seals 12, a framework oil seal fixing disk 13, a first silica gel pad 14, two flange plates 15, an upper half silica gel pad 161, a lower half silica gel pad 162, an upper half disk 171 and a lower half disk 172, the spherical bearing 11 is installed in interference fit with the framework oil seals 12, two framework oil seals 12 are installed in the framework oil seal fixing disk 13, the upper half silica gel pad 161 and the lower half silica gel pad 162 constitute a second silica gel pad 16, and the upper half disk 171 and the lower half disk 172 constitute a disk 17.

The two flange plates 15 are respectively welded on the inner wall and the outer wall of the side plate 22 of the stirring chamber 2, the axle center of the flange plate 15 is concentric with the axle center of the stirring shaft 31, and the spherical bearing 11, the framework oil seal 12, the first silica gel pad 14, the flange plate 15, the side plate 22 of the stirring chamber 2, the flange plate 15, the second silica gel pad 16 and the disc 17 are sequentially and coaxially arranged from outside to inside through the stirring shaft 31.

As shown in fig. 11 and 12, one or more graphite sealing grooves 18 are formed in the upper half disc 171 and the lower half disc 172, and a graphite sealing ring 19 is disposed in the graphite sealing groove 18 for sealing. It should be noted that, in order to make the sealing effect better, at least two graphite sealing grooves 18 are symmetrically arranged on the upper half disc 171 and the lower half disc 172, and a graphite sealing ring 19 is arranged in the graphite sealing groove 18 to perform the sealing function.

The upper half silica gel pad 161, the lower half silica gel pad 162, the upper half disc 171 and the lower half disc 172 are all provided with mounting holes, and the upper half disc 171, the upper half silica gel pad 161 and the flange disc 15 are detachably connected through fixing parts (such as bolts) so as to be convenient to mount and dismount; the lower half-round disc 172, the lower half-silica gel pad 162 and the flange disc 15 are detachably connected through a fixing piece (such as a bolt) so as to be convenient to mount and dismount; the framework oil seal fixing disc 13, the first silica gel pad 14 and the flange 15 are detachably connected through fixing pieces (such as bolts and the like).

As shown in fig. 7, a first graphite sealing groove 181 and a second graphite sealing groove 182 are formed in the upper half disc 171, a third graphite sealing groove 183 and a fourth graphite sealing groove 184 are formed in the lower half disc 172, and graphite sealing rings 19 are disposed in the first graphite sealing groove 181, the second graphite sealing groove 182, the third graphite sealing groove 183 and the fourth graphite sealing groove 184 for sealing.

First graphite seal groove 181 and third graphite seal groove 183 constitute a circular recess, second graphite seal groove 182 and fourth graphite seal groove 184 constitute a circular recess, graphite sealing ring 19 is the semicircle ring, and the opening of each graphite sealing ring 19 is not in the same direction of axle, and when the (mixing) shaft rotated, can fully guarantee the leakproofness of (mixing) shaft 31. For example: in the mounting process, one end of the graphite sealing ring 19 may be placed in the first graphite sealing groove 181, the other end may be placed in the third graphite sealing groove 183, and similarly, one end of the other graphite sealing ring 19 may be placed in the second graphite sealing groove 182, and the other end may be placed in the fourth graphite sealing groove 184, so that the sealing property at the joint between the upper half disc 171 and the lower half disc 172 may be ensured.

As shown in fig. 2, the stirring device further comprises a driving device for driving the stirring shaft 31 to rotate, and the driving device comprises a speed reduction motor 34. One end of the stirring shaft 31 is provided with a driving chain wheel 35, an output shaft of the speed reducing motor 34 is provided with a driving chain wheel, and the driving chain wheel are sleeved with a chain. When the stirring shaft is used, the driving chain wheel of the speed reducing motor 34 rotates to drive the driving chain wheel 35 sleeved on the stirring shaft 31 to rotate, so that the stirring shaft 31 is driven to rotate. The speed reducing motor 34 is connected with the PLC. The start and stop of the reduction motor 34, the rotation speed of the reduction motor 34 and the like are controlled by the PLC controller.

As shown in fig. 8, the kitchen waste machine body 10 further comprises an anti-blocking back-blowing device 5, the anti-blocking back-blowing device 5 is arranged inside the slag discharge groove 4, the anti-blocking back-blowing device 5 comprises three spraying pipes 51, the three spraying pipes 51 are connected with a first bypass pipe 71 of the water inlet pipe through a tee joint, and seven high-pressure nozzles 52 are respectively arranged on the three spraying pipes 51 and used for cleaning filter holes on the filter screen 21. The high-pressure nozzle 52 is obliquely arranged relative to the filter screen 21, so that the filter screen 21 can be cleaned quickly and efficiently. The first bypass pipe 71 is provided with a first electromagnetic valve 81, the first electromagnetic valve 81 is connected with a PLC controller, and the opening or closing of the first electromagnetic valve 81 is controlled through the PLC controller.

The angle between the high pressure nozzle 52 and the filter screen 21 is preferably 110 ° to ensure good cleaning effect. It should be understood that the number of the shower pipes 51 and the high pressure nozzles 52 (four shower pipes 51 are shown in fig. 11 and 12) is determined according to the height and area of the middle filtering holes of the slag chute 4 and the filtering net 21, so that each filtering hole can be washed by the high pressure nozzles 52, and the working pressure of the high pressure nozzles 52 is between 0.3 and 0.5 mpa. In addition, the PLC can be used for setting the time for automatic interval flushing, so that the middle filtering hole of the filtering net 21 is prevented from being blocked. Therefore, the maintenance and cleaning time of the equipment can be reduced, and the kitchen waste machine can perform normal functions.

As shown in fig. 2 and 13, the filter screen 21 is arc-shaped, the stirrer 31 is transversely arranged, and the stirring blade 33 is spaced from the inner wall of the filter screen 21 by 2cm-3cm, so that coarse residues such as shells, egg shells, coarse fibers, bone residues and the like in the waste water treated by the kitchen waste machine can be stirred, and the coarse residues can fall into the residue discharge tank 4 quickly.

The shortest distance between the high-pressure nozzle 52 and the filter screen 21 is 90-110mm, so that the water pressure and density sprayed by the high-pressure nozzle 52 are sufficient, and the good cleaning effect is ensured. It should be noted that, since the filter screen 21 has an arc shape, the distance between the high pressure nozzle 52 and the filter screen 21 can be adjusted in various ways. For example, the mounting positions of the shower pipes 51 are adjusted so that the position of the shower pipe 51 in the middle is the lowest and the mounting positions of the shower pipes 51 on both sides are gradually increased. For another example, when the positions of the shower pipes 51 are at the same level, the installation positions of the high-pressure nozzles 52 on the shower pipes 51 on both sides are gradually increased.

As shown in fig. 1, four corners of the kitchen waste machine body 10 are respectively provided with a weighing sensor 94, and the four weighing sensors 94 are transmitted by a transmitter and then communicate with a PLC controller. The weighing sensor is mainly used for detecting the total weight of the kitchen waste machine body and wet waste and decomposed liquid in the kitchen waste machine body, and is used as a basis for counting the wet waste added by the kitchen waste machine and the decomposed wet waste. The specific working process is as follows: the weighing sensor 94 detects the total weight of the kitchen waste machine body 10 and wet waste inside the kitchen waste machine body, the decomposed liquid and the like, then sends a weight signal to the transmitter, the weight signal is transmitted to the PLC controller through the transmitter, the PLC controller calculates whether the decomposed liquid leaks into the slag discharging groove 4 and is discharged according to the weight information, calculates whether the decomposition of the wet waste is completed, calculates the total amount of the decomposed wet waste, calculates whether biological strains need to be added into the stirring cabin 2 or not, and the like. For example: when the load cell 94 senses that the amount of the surplus machine body is reduced within a predetermined time, the filter screen 21 may be clogged. At this time, the PLC controller sends a signal to open the first solenoid valve 81, and the high-pressure nozzle 52 performs back blowing.

The bottom of the kitchen waste machine body 10 is also provided with four adjusting bolts 95 for adjusting the flatness of the bottom of the kitchen waste machine body and ensuring that the four weighing sensors 94 are stressed uniformly, thereby ensuring the accuracy of an analysis result.

As shown in fig. 2, a material hatch 91 is provided at an upper portion of the kitchen waste machine body 10 for putting garbage, bio-carriers to which bio-strains are attached, and the like.

As shown in fig. 8, 9 and 10, the left side and the right side of the slag discharging groove 4 are a water flushing end 42 and a water discharging end 43, the water flushing end 42 is provided with three flushing pipes 44 (as shown in fig. 11 and 12), the flushing pipes 44 are provided with one flushing nozzle 41 respectively, the flushing pipes are used for flushing the waste water decomposed by the kitchen waste machine in the slag discharging groove 4 from the water flushing end 42 to the water discharging end 43 and discharging the waste water out of the kitchen waste machine, the flushing pipes 44 are connected with a second bypass pipe 72 on the water inlet pipe through a tee joint, and the second bypass pipe 72 is provided with a second electromagnetic valve 82. The water discharge end 43 is provided with a water discharge port. The second electromagnetic valve 82 is connected with a PLC controller, and the opening or closing of the second electromagnetic valve 82 is controlled by the PLC controller.

As shown in fig. 9, the bottom surface of the slag discharging groove 4 is a slope plate 45, and the flushing end of the slope plate 45 is higher than the drainage end, so that impurities such as shells, egg shells, crude fibers, bone residues, silt, sludge, suspended matters and the like can be flushed out of the slag discharging groove 4.

The slag discharging groove 4 is made of stainless steel.

An observation hole 92 is further formed above the kitchen waste machine body 10 and used for observing biochemical reaction states and the like in the kitchen waste machine.

As shown in fig. 1, the kitchen waste machine body 10 is provided with a display screen 96 for displaying the weighing value of the weighing sensor 94, the temperature in the mixing chamber 2, data analyzed and calculated by the PLC controller (such as a kitchen waste machine alarm prompt, a kitchen waste machine fault prompt, energy consumption and biochemical rate of the kitchen waste machine, and the like), and field detection and input data of the kitchen waste machine.

The bottom of the kitchen waste machine body 10 is provided with casters (not shown in the figures) for moving the kitchen waste machine.

As shown in fig. 1, the kitchen waste machine body further comprises a hydraulic lifting device 100, the hydraulic lifting device 100 comprises a hydraulic lifting mechanism 101, a hydraulic workstation 102 and a hydraulic oil cylinder 103, the hydraulic workstation 102 is used for controlling the start and stop of the hydraulic oil cylinder 103, the hydraulic oil cylinder 103 is an actuator of the hydraulic lifting mechanism 101 and is used for controlling the lifting of the hydraulic lifting mechanism 101, and the hydraulic lifting mechanism 101 is used for lifting wet garbage from the lower end of the kitchen waste machine body 10 to the material cabin opening 91 through the cooperation of the hydraulic workstation and the hydraulic oil cylinder and pouring the wet garbage in the garbage can 97 into the stirring cabin 2.

The kitchen waste machine body 10 further comprises a garbage can cleaning device, the garbage can cleaning device comprises a water spraying pipe (not shown in the figure), a cleaning nozzle 110 is arranged on the water spraying pipe and used for cleaning the garbage can 97, the water spraying pipe is connected with a third bypass pipe 73 on a water inlet pipe, a third electromagnetic valve 83 is arranged on the third bypass pipe 73, the third electromagnetic valve 83 is connected with a PLC (programmable logic controller), an upper travel switch (not shown in the figure) is arranged at the upper end of the hydraulic lifting mechanism 101 and connected with the PLC, and when the kitchen waste machine is used, the upper travel switch sends a signal to the PLC, and the PLC controls the opening or closing of the third electromagnetic valve 83. Usually, after waiting for 5s, the spray pipe sprays water, and the time can be set according to actual operation needs. When the hydraulic lifting mechanism 101 ascends and touches the upper travel switch, the hydraulic oil pump in the hydraulic workstation 102 stops working, the garbage bin 97 is dumped, meanwhile, the PLC controller carries out calculation timing, when the set time is reached, the cleaning nozzle 101 sprays water, the PLC controller also sets the time of spraying water, when the time of spraying water is reached, the hydraulic oil pump is automatically started, the hydraulic lifting mechanism 101 descends, and when the bottom end descends to touch the lower travel switch 104 at the lower part of the hydraulic lifting mechanism, the hydraulic pump stops working.

The water adding pipe 120 (as shown in fig. 13) is further arranged above the stirring cabin 2, a plurality of small holes are formed below the water adding pipe 120, the water adding pipe 120 is connected with a fourth bypass pipeline on the water inlet pipe, a fourth electromagnetic valve (not shown in the figure) is arranged on the fourth bypass pipeline, the fourth electromagnetic valve is connected with the PLC, the opening or closing of the fourth electromagnetic valve is controlled through the PLC, and when the fourth electromagnetic valve is opened, water can be added into the stirring cabin 2 to ensure the necessary humidity of biological strains. The water addition time can be set as required.

When the garbage disposer is used, the stirring blades 32 stir through the rotation of the stirring shaft 31, the biological carrier 20 in the kitchen garbage disposer body 10 is fully rubbed and mixed with wet garbage, and biological strains attached to the biological carrier 20 fully decompose the biological garbage. The decomposed kitchen waste is discharged to a slag discharge groove 4 at the bottom of the kitchen waste machine through a filter hole on a filter screen 21 at the middle part of the kitchen waste machine body 10. Because the diameter of the biological carrier 20 is larger than that of the filtering holes of the filtering net 21, the biological carrier 20 is always left in the kitchen waste machine body 10, so that biological strains are continuously grown and propagated, and enough biological strains are kept in the kitchen waste machine body 10 so as to decompose newly added wet garbage.

When the first electromagnetic valve 81 is opened, the pressure of the water inlet pipe is generally 0.3-0.5 MPa, and the high-pressure nozzle 52 reversely blows the filter screen 21 at the bottom of the stirring chamber, so that the mixture of soil and the like blocked on the filter screen 21 is cleaned. When the second solenoid valve 82 is opened, the three flushing nozzles 41 of the flushing end of the slag discharging groove 4 are operated to flush the decomposed waste water from the flushing end to the discharging end, thereby discharging the waste water to the outside of the kitchen garbage machine. When the third solenoid valve 83 is opened, the cleaning nozzle 110 is operated to clean the garbage can 97. When the fourth electromagnetic valve is opened, the water feeding pipe 120 feeds water and falls into the stirring chamber 2 from the small hole at the lower end of the water feeding pipe 120.

The utility model discloses a time interval that washes can be set for in the PLC controller. When the set time is reached, the first solenoid valve 81, the second solenoid valve 82 and the third solenoid valve 83 are opened, and the washing nozzle 41, the high-pressure nozzle 52 and the washing nozzle 110 start washing or flushing and the like, so that intelligent washing or flushing is realized.

The utility model discloses a surplus machine in kitchen for handling wet rubbish, it is with low costs, simple structure, and intelligent, can let the surplus machine in kitchen exert bigger function of decomposing wet rubbish.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A kitchen waste machine for processing wet garbage is characterized by comprising a kitchen waste machine body, wherein the kitchen waste machine body comprises a stirring cabin, a stirring device, a slag discharge groove, a heating device and a PLC (programmable logic controller),

a biological carrier which can be used for colonization and expanded propagation of biological strains is loaded in the stirring cabin, and the biological strains for decomposing wet garbage are attached to the biological carrier;

the slag discharge groove is arranged below the stirring cabin, and a filter screen is arranged at the bottom of the stirring cabin; the diameter of the filtering holes of the filter screen is smaller than that of the biological carrier;

the heating device comprises a heating sheet for heating the stirring cabin, and the heating sheet is arranged outside the stirring cabin;

the stirring device comprises a stirring shaft, a plurality of stirring arms and stirring blades arranged on the stirring arms, and the stirring arms and the stirring blades are arranged in the stirring cabin;

2. The kitchen waste machine for processing wet waste as claimed in claim 1, wherein said heating sheet is externally provided with heat insulating cotton.

3. The kitchen waste machine for processing wet waste according to claim 1, wherein said heating means comprises a first temperature sensor for controlling the temperature of the mixing chamber and a second temperature sensor for protecting the heating means.

4. The kitchen waste machine for processing wet garbage according to claim 1, wherein the stirring shaft traverses left and right side plates of the stirring chamber, a set of anti-leakage device is respectively arranged on the left and right side plates of the stirring chamber, the anti-leakage device comprises a spherical bearing, two framework oil seals, a framework oil seal fixing disc, a first silica gel pad, two flange plates, an upper half silica gel pad, a lower half silica gel pad, an upper half disc and a lower half disc, the spherical bearing is installed in interference fit with the framework oil seals, the framework oil seals are installed in the framework oil seal fixing disc, the upper half silica gel pad and the lower half silica gel pad form a second silica gel pad, the upper half disc and the lower half disc form a disc,

and graphite sealing grooves are symmetrically arranged on the upper half disc and the lower half disc, and graphite sealing rings are arranged in the graphite sealing grooves.

5. The kitchen waste machine according to claim 1, wherein the kitchen waste machine body further comprises an anti-blocking back-blowing device, the anti-blocking back-blowing device is disposed inside the slag discharge groove, the anti-blocking back-blowing device comprises a plurality of spray pipes, a plurality of high-pressure nozzles for cleaning the filter screen are respectively disposed on the spray pipes, the high-pressure nozzles perform spray washing or stop spray washing through a first electromagnetic valve, the first electromagnetic valve is connected with the PLC, and the high-pressure nozzles are opposite to the filter screen and are obliquely arranged.

6. The kitchen waste machine for processing wet waste according to claim 1, wherein the kitchen waste machine body further comprises a weighing sensor, the weighing sensor is arranged at the bottom of the kitchen waste machine body, and the weighing sensor is connected with the PLC controller after being transmitted by the transmitter.

7. The kitchen waste machine for processing wet waste as claimed in claim 6, wherein the number of the weighing sensors is four, the weighing sensors are respectively arranged at four corners of the kitchen waste machine body, the four weighing sensors are transmitted by the transmitters and then communicated with the PLC controller, and four adjusting bolts are further arranged at the bottom of the kitchen waste machine body.

8. The kitchen waste machine for processing wet waste according to claim 1, wherein the left and right sides of the residue discharge tank are respectively a water flushing end and a water discharging end, the water flushing end is provided with a plurality of flushing pipes, each flushing pipe is provided with a flushing nozzle for flushing the waste water decomposed by the kitchen waste machine in the residue discharge tank from the water flushing end to the water discharging end, the flushing nozzles are used for flushing or stopping flushing by opening or closing a second electromagnetic valve, the second electromagnetic valve is connected with the PLC, and the water discharging end is provided with a water outlet.

9. The kitchen waste machine for processing wet waste according to claim 1, wherein said kitchen waste machine body further comprises a hydraulic lifting device, said hydraulic lifting device comprises a hydraulic lifting mechanism, a hydraulic workstation for controlling the start and stop of the hydraulic cylinder, and a hydraulic cylinder for controlling the lifting of the hydraulic lifting mechanism,

the kitchen waste machine body further comprises a garbage can cleaning device, the garbage can cleaning device comprises a water spraying pipe, a cleaning nozzle used for cleaning the garbage can is arranged on the water spraying pipe, the cleaning nozzle is used for performing spray cleaning or stopping spray cleaning through opening or closing of a third electromagnetic valve, the third electromagnetic valve is connected with a PLC (programmable logic controller), an upper travel switch and a lower travel switch are respectively arranged at the upper end and the lower end of the hydraulic lifting mechanism, and the upper travel switch and the lower travel switch are respectively connected with the PLC.

10. The kitchen waste machine for processing wet waste as claimed in claim 1, wherein a water adding pipe is further arranged above the stirring chamber, a plurality of small holes are arranged below the water adding pipe, the water adding pipe is used for adding water or stopping adding water by opening or closing a fourth electromagnetic valve, and the fourth electromagnetic valve is connected with a PLC (programmable logic controller).