CN106424090A - Kitchen waste disposal method and system - Google Patents
Kitchen waste disposal method and system Download PDFInfo
- Publication number
- CN106424090A CN106424090A CN201610926458.9A CN201610926458A CN106424090A CN 106424090 A CN106424090 A CN 106424090A CN 201610926458 A CN201610926458 A CN 201610926458A CN 106424090 A CN106424090 A CN 106424090A
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- Prior art keywords
- siftage
- oversize
- organic matter
- outlet
- kitchen
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
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- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the technical field of waste disposal, in particular to a kitchen waste disposal method and system. The kitchen waste disposal method comprises the steps that received kitchen waste is subject to primary screening, first oversize products and first undersize products are obtained, the first undersize products are separated, kitchen organic matter slurry is obtained and ground, the ground kitchen organic matter slurry is subject to secondary screening, and second oversize products and second undersize products are obtained; the second undersize products are stored in a modulation tank; the kitchen waste is subject to primary screening to form the first oversize products which are impurities with bone, plastic and the like mixed; broken bone, small plastic pieces and the like in the first undersize products are separated to form a flexible material, a rigid material and kitchen organic matter slurry, and the kitchen organic matter slurry is further ground, screened and stored; according to the method, the kitchen waste can be subject to impurity removal and grinding slurry making, output objects can be used for feeding insects, and the homology pollution problem that the kitchen waste directly serves as fodder for feeding is not prone to happening.
Description
【Technical field】
The present invention relates to technical field of waste treatment, more particularly to a kind of Food waste treatment method and system.
【Background technology】
Food waste treatment method main at present is landfill, anaerobic fermentation, mixed consumer waste is burned, feedstuff is cultivated.
Landfill method is seriously polluted, and causes the wasting of resources；Unareobic fermentation place and equipment investment are big, long processing period, run into
This height；Burning method is burned the unsatisfactory and burning of effect and produces waste gas to environment dirt as changing food waste moisture content is high, calorific value is low
Dye is serious.
Feedstuff cultivation method has certain as a kind of new Food waste treatment method compared to aforesaid processing method
Advantage, but changing food waste is fed by existing feedstuff cultivation method directly as feedstuff, there is homology pollution problem.Cause
This, feedstuff cultivation method processes the method for changing food waste and still needs to improve further.
【Content of the invention】
The present invention for prior art feedstuff cultivation method process changing food waste still need to improve further, it is desirable to provide process
The technical problem of the equipment of changing food waste, provides a kind of Food waste treatment method and system, and technical scheme is as follows：
The embodiment of the present invention provides a kind of Food waste treatment method, including：
Receive changing food waste and convey；
The changing food waste come by the conveying carries out primary screening, obtains the first oversize and the first siftage；
Receive first siftage and separating treatment is carried out, obtain flexible material, rigid material and kitchen organic matter
Slurry；
Receive the kitchen organic matter slurry and grind；
Receive the kitchen organic matter slurry after grinding and postsearch screening is carried out, obtain the second oversize and the second siftage；
Second siftage is stored to modulation tank storage.
Alternatively, methods described also includes：
First oversize is crushed to the fragment of below particle diameter 40mm；
Described receive first siftage and carry out separating treatment, obtaining flexible material, rigid material and kitchen has
The step of machine chylema material, specifically includes：
Receive the fragment and the first siftage and carry out separating treatment, be separated into flexible material, rigid material and
Kitchen organic matter slurry.
Alternatively, methods described also includes：
Receive rigid material and therefrom sub-elect a sorting non-ferrous metal and remaining rigidity material；
Receive the remaining rigidity material and kitchen organic matter slurry and grind.
Alternatively, the kitchen organic matter slurry to after grinding carries out postsearch screening, obtains the second oversize and second
Include after the step of siftage：
Receive the second oversize and secondary sorting non-ferrous metal and leftover materials are sub-elected from the second oversize.
The present invention also provides a kind of restaurant garbage treating system, including：
Feed bin, the feed bin is used for depositing changing food waste, and the feed bin includes bottom groove, the side of the bottom groove
Open up discharge opening；
Auger conveyor, the auger conveyor is fixed in the bottom groove, and the outlet of the auger conveyor
It is connected with the discharge opening；
Disc-type filter, the disc-type filter include filter entrance and video disc sieve, described filtration entrance with described
Discharge opening connects, and the changing food waste of video disc sieve aperture for failing to sieve by video disc is the first oversize, through video disc sieve
The changing food waste of video disc sieve aperture is the first siftage, and the disc-type filter is also included under the outlet of the first oversize and the first sieve
Thing is exported, and first oversize is through the outlet output of the first oversize, and first siftage is through the outlet output of the first siftage；
Pulper, the pulper includes slurrying cavity, and the slurrying cavity includes slurrying entrance and flexible material discharging
Mouth, rigid material discharging opening and kitchen organic matter stock discharge mouth, the slurrying entrance is connected with first siftage outlet；
Ball mill, the ball mill includes feed arrangement and ball milling cavity, and one end of the feed arrangement is organic with kitchen
Chylema material discharging opening connects, and the other end of the feed arrangement is connected with ball milling cavity, and the ball milling cavity has ball milling outlet；
Disc screen, the disc screen is connected with ball milling outlet, and the disc screen includes disk sieve plate, wherein, disk sieve plate
Sift out the kitchen organic matter slurry be the second oversize, through disk sieve plate kitchen organic matter slurry be the second siftage,
The disc screen also includes the outlet of the second oversize and the outlet of the second siftage, and second oversize is exported through the second oversize
Output, second siftage is through the outlet output of the second siftage；
Modulation tank, the modulation tank includes tank body, and the tank body has modulates opening, under the modulation opening is sieved with second
Thing outlet connection；
The changing food waste that deposits in feed bin is transported to disc-type filter by the auger conveyor, and the disc-type is filtered
Changing food waste is filtered out the first oversize and the first siftage by device, and the first siftage is separated into flexible material, just by pulper
Property material and kitchen organic matter slurry be respectively outputted to flexible material discharging opening, rigid material discharging opening and kitchen organic matter
Stock discharge mouth, ball mill will export ball milling outlet after the grinding of kitchen organic matter slurry, and the disc screen filters out the second sieve
Upper thing and the second siftage, the modulation tank stores the second siftage.
Alternatively, the system also includes：
Disintegrating machine, the disintegrating machine includes to crush cavity, and the broken cavity is provided with broken entrance and broken outlet, described
Broken entrance is connected with first oversize outlet, and the broken outlet is connected with the slurrying entrance, and the pulper is also
For the fragment is separated into flexible material, rigid material and kitchen organic matter slurry together with the first siftage.
Alternatively, the system also includes：
Eddy current separator, the eddy current separator includes sorting chamber, the sorting chamber be provided with eddy current separation entrance,
Non-ferrous metal outlet and remaining rigidity material outlet, the eddy current separation entrance is connected with rigid material discharging opening, described surplus
Remaining rigid material outlet is connected with the feed arrangement, and the ball mill is additionally operable to grind remaining rigidity material.
Alternatively, the second oversize outlet is connected with the eddy current separation entrance, and the eddy current separator is also
For sub-electing secondary sorting non-ferrous metal and leftover materials from the second oversize.
Alternatively, the feed bin longitudinal cross-section be shaped as infundibulate, the bottom groove is arranged at bin bottom, described
Feed bin also includes the upwardly extending skew wall in both sides by the bottom groove and by the upwardly extending side wall of the skew wall.
Alternatively, the auger conveyor be shaftless screw carrier, the shaftless screw carrier include spirillum and
Driving means, the driving means are fixed on side of the bottom groove away from discharging opening, the spirochetal side and institute
State driving means to be rotatably coupled, the spirochetal opposite side is connected with the discharge opening.
The beneficial effect of the embodiment of the present invention is, Food waste treatment method provided in an embodiment of the present invention, to receiving
Changing food waste carries out primary screening, obtains the first oversize and the first siftage, carries out separating treatment to first siftage,
Obtain kitchen organic matter slurry and to its milled processed, postsearch screening is carried out to the kitchen organic matter slurry after grinding, obtain
Two oversizes and the second siftage；Second siftage is stored to modulation tank storage.The changing food waste of methods described is by one
Secondary filter out the first oversize, the first oversize be mix bone, plastics, dishes, wooden and metal object (chopsticks, spoon, drink
Batch can) etc. impurity；Methods described can also be by the broken bone in the first siftage, little plastic sheet, broken potsherd, little wooden sheet
Flexible material, rigid material and kitchen organic matter slurry are separated into fine metal thing, further by organic for kitchen chylema
Abrasive lapping, screening and storage.Methods described not only to changing food waste remove impurity but also can grind slurrying, under the second sieve of output
Thing can be used to raise insecticide, be less prone to homology pollution problem of the changing food waste directly as forage feed.
【Description of the drawings】
Fig. 1 is a kind of flow chart of Food waste treatment method provided in an embodiment of the present invention.
A kind of flow chart of Food waste treatment method that Fig. 2 is provided for another embodiment of the present invention.
A kind of flow chart of Food waste treatment method that Fig. 3 is provided for yet another embodiment of the invention.
Fig. 4 is a kind of structural representation of restaurant garbage treating system provided in an embodiment of the present invention.
Fig. 5 is a kind of structural representation of the feed bin of restaurant garbage treating system provided in an embodiment of the present invention.
Fig. 6 is a kind of side view of the feed bin of restaurant garbage treating system provided in an embodiment of the present invention.
Fig. 7 is a kind of top view of the feed bin of restaurant garbage treating system provided in an embodiment of the present invention.
A kind of feed bin of restaurant garbage treating system and the knot of auger conveyor that Fig. 8 is provided for another embodiment of the present invention
Structure schematic diagram.
A kind of structural representation of restaurant garbage treating system that Fig. 9 is provided for another embodiment of the present invention.
A kind of structure of the auger conveyor of restaurant garbage treating system that Figure 10 is provided for another embodiment of the present invention is shown
It is intended to.
【Specific embodiment】
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, not
For limiting the present invention.
As long as additionally, involved technical characteristic in each embodiment of invention described below is each other not
Constitute conflict can just be mutually combined.
Changing food waste, is commonly called as hogwash, also known as water from washing rice, swill, is sanitary waste that resident is formed during personal consumption,
Easily rot, stench is distributed, spread germs and virus.Changing food waste main component include meter dough-making powder group food remaining,
Vegetable, vegetable and animals oils, meat bone etc., chemically on composition, have starch, cellulose, protein, lipid and inorganic salt.General, meal
There are partial impurities, the such as impurity such as plastics, dishes, wooden and metal object (chopsticks, spoon, beverage can etc.) in the rubbish of kitchen.
Embodiment 1
As shown in figure 1, the embodiment of the present invention provides a kind of Food waste treatment method, including：
Step 10, reception changing food waste.
After kitchen waste is collected, can concentrate and be placed in feed bin, i.e., be received by feed bin and deposit changing food waste
Step 20, the changing food waste come by the conveying carry out primary screening, obtain the first oversize and the first siftage.
Wherein, the first oversize be changing food waste in mix bone, plastics, dishes, wooden and metal object (chopsticks, spoon
Son, beverage can) etc. impurity, the first siftage is broken bone, little plastic sheet, broken potsherd, little wooden sheet and fine metal thing
And kitchen organic matter slurry.The changing food waste come by the conveying carries out primary screening and can use disc-type filter, once sieves
The video disc sieve aperture for designing when selecting can be designed in conjunction with the difference of the particle diameter of the first oversize for needing to filter out and the first siftage,
Such as, particle diameter can enter next step for the broken bone of below 55mm or wooden etc., video disc sieve aperture can be designed to 55mm.
Step 30, reception first siftage simultaneously carry out separating treatment, obtain flexible material, rigid material and kitchen
Organic matter slurry.
Separating treatment being carried out to first siftage and can adopting pulper, pulper includes stirring motor, stirring motor
The first siftage is stirred according to certain stirring motor power.Pulper carries out separating treatment to the first siftage, obtains flexibility
Material, rigid material and kitchen organic matter slurry.Wherein, flexible material is that plastics, rigid material is the solid in addition to plastics
Impurity, wherein includes part metals thing.
Step 40, the reception kitchen organic matter slurry simultaneously grind.
Ball mill grinding kitchen organic matter slurry is generally used, kitchen organic matter slurry can be ground by ball mill, defeated
Go out the kitchen organic matter slurry that particle diameter reduces further.
Step 50, postsearch screening is carried out to the kitchen organic matter slurry after grinding, obtain under the second oversize and the second sieve
Thing.
Generally using disc screen carries out postsearch screening to the kitchen organic matter slurry after grinding.Second oversize is for once sieving
The metallicses that omits when selecting, and particulate matter in addition to metal are such as also little than above-mentioned broken bone particle diameter：Tiny bone, tiny pottery
Ceramics, the mixture such as tiny wooden, the second siftage is then kitchen that particle diameter is less than kitchen organic matter slurry after grinding
The tiny slurry of organic matter.Postsearch screening is carried out to the kitchen organic matter slurry after the grinding and can use disc screen, postsearch screening
When the disk sieve aperture that designs can design in conjunction with the difference of the particle diameter of the second oversize for needing filter out and the second siftage, e.g.,
Particle diameter is the broken bone of below 4mm, wooden or tiny slurry etc. can enter next step, riddle hole can be designed to 4mm.
Step 60, by second siftage store to modulation tank storage in.
Second siftage is that i.e. after postsearch screening, size reaches the tiny slurry of kitchen organic matter of requirement after grinding, by kitchen
The tiny slurry of organic matter is stored in modulation tank.In other embodiments, also in modulation tank, sterilization treatment, Huo Zhetian can be carried out
Plus dry material is to adjust the moisture content of the tiny slurry of the kitchen organic matter in modulation tank.
The beneficial effect of the embodiment of the present invention is, Food waste treatment method provided in an embodiment of the present invention, to receiving
Changing food waste carries out primary screening, obtains the first oversize and the first siftage, carries out separating treatment to first siftage,
Obtain kitchen organic matter slurry and to its milled processed, postsearch screening is carried out to the kitchen organic matter slurry after grinding, obtain
Two oversizes and the second siftage；Second siftage is stored to modulation tank storage.The changing food waste of methods described is by one
Secondary filter out the first oversize, the first oversize be mix bone, plastics, dishes, wooden and metal object (chopsticks, spoon, drink
Batch can) etc. impurity；Methods described can also be by the broken bone in the first siftage, little plastic sheet, broken potsherd, little wooden sheet
Flexible material, rigid material and kitchen organic matter slurry are separated into fine metal thing, further by organic for kitchen chylema
Abrasive lapping, screening and storage.Methods described not only to changing food waste remove impurity but also can grind slurrying, under the second sieve of output
Thing can be used to raise insecticide, such as raise black soldier flies, and the homologous contact scar for being less prone to changing food waste directly as forage feed is asked
Topic.
In another embodiment, as shown in Fig. 2 methods described also includes：
Step 70, the first oversize is crushed to the fragment of below particle diameter 40mm.
Bone in the first oversize of crusher in crushing, plastics, dishes, wooden and metal object are generally used (as chopsticks, spoon
Son, beverage can).
Described receive first siftage and carry out separating treatment, obtaining flexible material, rigid material and kitchen has
The step of machine chylema material, specifically includes：
Step 31, the reception fragment and the first siftage simultaneously carry out separating treatment, are separated into flexible material, rigid board
Material and kitchen organic matter slurry.
Fragment is broken bone after crusher in crushing, shredded plastic, crush dishes, crush wooden and broken metal
Thing tank.First oversize enters next step after being broken and carries out separating treatment, now broken in addition to broken metal in fragment
Bone, broken pottery and broken wooden etc. be mixed in kitchen organic matter slurry, participate in the kitchen organic matter that down-stream makes thin
Little slurry is raised to follow-up insecticide does not have adverse effect.And crush metal and will process in next step.By broken for the first oversize place
Reason can avoid wasting.
In another embodiment, as shown in Fig. 2 methods described also includes：
Step 80, the rigid material of reception simultaneously therefrom sub-elect a sorting non-ferrous metal and remaining rigidity material.
A sorting non-ferrous metal and remaining rigid board can be sub-elected from rigid material and therefrom using eddy current separator
Material.It may be said that not including metal in remaining rigidity material, or only include very at least part of metal.The whirlpool electricity of eddy current separator
Classification (Eddy current separation, ECS) principle is a kind of sorting technologies different using material electrical conductivity, its
Grading principle is based on two important physical phenomenons：The electric field of one time-varying alternating magnetic field, one alternation of always association
(law of electromagnetic induction)；Current－carrying conductor produces magnetic field (BiotSavart's law).During eddy current separator work, in sorting magnetic
Roller surface produces the high-intensity magnetic field of high-frequency alternating, when conductive non-ferrous metal is through magnetic field, can sense in non-ferrous metal
Go out vortex flow, this vortex flow itself can produce the magnetic field contrary with magnetic field, and non-ferrous metal (such as copper, aluminum etc.) then can be because of magnetic
The repulsive force of field is acted on and is leaped along its conveying direction forward, is realized separating with other non-metal kind materials, is reached sorting
Purpose；Which mainly distinguishes the rate value that criterion is material conductivity and density, and the high material low than ratio of rate value is more easy to
Separate.
Described receive the kitchen organic matter slurry and specifically include the step of grinding：
Step 41, the reception remaining rigidity material and kitchen organic matter slurry simultaneously grind.
The grinding remaining rigidity material and kitchen organic matter slurry grind after kitchen organic matter slurry, remaining just
Property material polished be incorporated to grinding after kitchen organic matter slurry in.
In another embodiment, as shown in figure 3, the kitchen organic matter slurry to after grinding carries out postsearch screening, obtain
Include to after the step of the second oversize and the second siftage：
Step 85, the second oversize of reception simultaneously sub-elect secondary sorting non-ferrous metal and residue from the second oversize
Material.
The rigid material of pulper output, through the kitchen organic matter slurry after eddy current separation, grinding, only includes little one
Partial metal, for preventing metal by insecticide wedging, the kitchen organic matter slurry after grinding carries out an eddy current separation again, with
Kitchen organic matter slurry is realized not comprising metal, or tenor is very low does not include statistics.Sub-elect from the second oversize
Leftover materials after secondary sorting non-ferrous metal, do not contain metal, the feeding that can use as insecticide after processing through subsequent course
Material.
In another embodiment, as shown in figure 3, methods described also includes：
Step 90, the cleaning flexible material.
After the separated process of first siftage, the flexible material that separates is plastics, can arrange clean water spray washing
Device is carried out to flexible material, can be washed the organic matter on plastics off, is obtained clean plastics, so as to subsequent recovery profit
With.
Further, methods described also includes：
Step 100, by EM bacterium add described modulation tank in the second siftage in the second siftage sterilizing.
EM bacterium (Effective Microorganisms) is a kind of mixed vaccine, generally comprises photosynthetic bacteria, yeast, lactic acid
The beneficial mushroom of bacterium etc..Can be used for food interpolation, the farming disease harms are prevented and treated, soil improvement, strong plantlets and rootage, waste water control etc..Plus
Enter the further corruption that EM bacterium can avoid the tiny slurry of kitchen organic matter.
Further, methods described also includes：
Step 110, the second siftage toward after sterilize throw in additive, to adjust the aqueous of the second siftage after sterilizing
The scope of rate is to 75%-85%.
Additive is the dry material such as wheat bran, rice husk meal.The moisture content of the tiny slurry of kitchen organic matter is 90% or so, passes through
Adding wheat bran, rice husk meal etc. the moisture content of the tiny slurry of kitchen organic matter to be adjusted to 80% or so, modulates the kitchen for completing organic
The tiny slurry of matter, becomes finished product feedstuff raw material, is stored in modulation tank, in case the next step application that insecticide is raised.
Embodiment 2
The present invention also provides a kind of restaurant garbage treating system, as shown in figure 4, the system includes：
Including feed bin 210, auger conveyor 220, disc-type filter 230, pulper 240, ball mill, disc screen 260
With modulation tank 270.
Feed bin 210 is used for depositing changing food waste, and as illustrated in figs. 5-7, feed bin 210 includes bottom groove 211, bottom groove
211 diapire opens up discharge opening 212.In another embodiment, as shown in fig. 6,210 longitudinal cross-section of feed bin be shaped as funnel
Shape, bottom groove 211 is arranged at 210 bottom of feed bin, and feed bin 210 also includes upwardly extending tiltedly by the both sides of bottom groove 211
Wall 213 and by the upwardly extending side wall 214 of skew wall 213.Under gravity, changing food waste is moved to down by the top edge of funnel
Edge, i.e. changing food waste move to bottom groove along side wall 214, skew wall 213, and bell mouth can approx be considered bottom groove
Position.The bootable changing food waste of funnel shaped feed bin 210 that is shaped as of longitudinal cross-section moves to bottom groove 211, kitchen rubbish
The feature that movement of the rubbish in longitudinal direction relies only on the shape of feed bin 210 without the need for other devices can achieve.
As shown in Fig. 8,10, auger conveyor 220 is fixed in bottom groove 211, and the outlet 224 of auger conveyor is such as
It is connected with discharge opening 212 as shown in Figure 5；Disc-type filter 230 is connected with discharge opening 212, and disc-type filter 230 includes dish
Piece sieves (not shown).In certain embodiments, auger conveyor 220 is that shaftless screw carrier, auger conveyor 220 includes spiral shell
Rotation body 225 and driving means 226, specifically, driving means 226 are motor；It is remote that driving means 226 are fixed on bottom groove 211
Separate out the side of material mouth, the side of spirillum 225 is rotatably coupled with driving means 226, the opposite side of spirillum 225 with go out
Material hole 212 connects.The winding of debris in changing food waste (as plastics), helical feed can be prevented effectively from using shaftless screw carrier
The screw diameter scope of device 220 is 600～800mm, and auger conveyor 220 leads directly to opposite side from 210 side of feed bin, and by material
The perforate (i.e. discharge opening 212) of 210 bottom groove diapire of storehouse, changing food waste material is exported to disc-type filter 230.Drive
Device 226 drives spirillum 225 to rotate, and the changing food waste in bottom groove 211 is by the spirillum 225 of auger conveyor 220
Rotate to drive toward the direction of discharge opening 212 and move, changing food waste is dropped to the filtration of disc-type filter 230 by discharge opening 212
Entrance.
Disc-type filter 230 includes to filter entrance (not shown) and video disc sieve (not shown), filters entrance and discharge opening
Connection, the changing food waste of video disc sieve aperture for failing to sieve by video disc is the first oversize, through the meal of the video disc sieve aperture of video disc sieve
Kitchen rubbish is the first siftage, and disc-type filter 230 also includes that the first oversize outlet (not shown) and the first siftage go out
Mouth (not shown), the first oversize is through the outlet output of the first oversize, and the first siftage is through the outlet output of the first siftage.Video disc
The pore diameter range of the video disc sieve aperture of the video disc sieve of formula filter 230 is 30～60mm, such as 35mm, 40mm, 50mm and 56mm.From
Auger conveyor 220 conveys the changing food waste for coming, and the kitchen organic matter of wherein most becomes the first siftage of video disc sieve；
And mix in changing food waste bone, plastics, dishes, the impurity such as wooden and metal object (chopsticks, spoon, beverage can), due to chi
The very little screen-aperture than video disc sieve becomes the first oversize greatly.
Pulper 240 includes slurrying cavity (not shown), and slurrying cavity includes slurrying entrance (not shown) and flexible material
Discharging opening (not shown), rigid material discharging opening (not shown) and kitchen organic matter stock discharge mouth (not shown), slurrying entrance
It is connected with the outlet of the first siftage.Specifically, pulper 240 includes stirring motor (not shown), and stirring motor is according to certain
Stirring motor power stirs the first siftage.240 pairs of the first siftage of pulper carry out separating treatment, obtain flexible material, just
Property material and kitchen organic matter slurry.Wherein, flexible material is that plastics, rigid material is the solid impurity in addition to plastics, its
In include part metals thing.The grain size scope of the detached kitchen organic matter slurry of pulper 240 is 6～8mm.
Ball mill 250 includes feed arrangement (not shown) and ball milling cavity (not shown), one end of feed arrangement and kitchen
Organic matter stock discharge mouth connects, and the other end of feed arrangement is connected with ball milling cavity, and ball milling cavity has ball milling outlet, and (figure is not
Show).The kitchen organic matter slurry of kitchen organic matter slurry outlet output grinds in ball mill 250 and obtains the less thing of particle diameter
Matter, is the kitchen organic matter slurry after grinding.
Disc screen 260 is connected with ball milling outlet, and disc screen includes disk sieve plate (not shown), and wherein, disc screen screen goes out
Kitchen organic matter slurry is the second oversize, be the second siftage through the kitchen organic matter slurry of disk sieve plate, disc screen is also
(not shown) is exported including the second oversize outlet (not shown) and the second siftage, the second oversize is exported through the second oversize
Output, the second siftage is through the outlet output of the second siftage.
Modulation tank 270 includes tank body (not shown), and tank body has modulates opening (not shown), under modulation opening is sieved with second
Thing outlet connection.
The changing food waste of storage in feed bin 210 is transported to disc-type filter 230, disc-type mistake by auger conveyor 220
Changing food waste is filtered out the first oversize and the first siftage by filter 230, and the first siftage is separated into flexibility by pulper 240
Material, rigid material and kitchen organic matter slurry are simultaneously respectively outputted to flexible material discharging opening, rigid material discharging opening and meal
Kitchen organic matter stock discharge mouth, ball mill 250 will export ball milling outlet after the grinding of kitchen organic matter slurry, and disc screen 260 is sieved
The second oversize and the second siftage is selected, modulation tank 270 stores the second siftage.
The beneficial effect of the embodiment of the present invention is, restaurant garbage treating system provided in an embodiment of the present invention includes feed bin
210th, auger conveyor 220, disc-type filter 230, pulper 240, ball mill, disc screen 260 and modulation tank 270, spiral
Carrier 220 is fixed in bottom groove 211, and the outlet 224 of auger conveyor 220 is connected with discharge opening 212, helical feed
Changing food waste in feed bin 210 is transported to disc-type filter 230 by device 220, and disc-type filter 230 is screened by pulper 240
The first siftage for going out is separated into flexible material, rigid material and kitchen organic matter slurry and is respectively outputted to flexible material
Mouth, rigid material outlet and kitchen organic matter slurry outlet, kitchen organic matter slurry is ground and is transported to circle by ball mill 250
Riddle 260 filters out the second siftage, and the second siftage is stored by tank 270 is modulated.The disc-type filter 230 of the system will
Changing food waste filters out the first oversize and sifts out, and the first oversize is the bone, plastics, dishes, wooden for mixing in changing food waste
With impurity such as metal objects (chopsticks, spoon, beverage can)；System can also will enter the broken bone of video disc sieve aperture, little plastic sheet, broken
Potsherd, little wooden sheet and fine metal thing (being included in the first siftage) be separated into flexible material, rigid material and
Kitchen organic matter slurry is further ground, screens and stores by kitchen organic matter slurry.Kitchen provided in an embodiment of the present invention
Refuse disposal system not only to changing food waste remove impurity but also can grind slurrying, and the second siftage of output can be used to raise elder brother
Worm, is less prone to homology pollution problem of the changing food waste directly as forage feed.
In another embodiment, as shown in figure 9, restaurant garbage treating system also includes disintegrating machine 280, the disintegrating machine
280 include to crush cavity (not shown), and the broken cavity is provided with broken entrance (not shown) and broken outlet (not shown), institute
State broken entrance to be connected with first oversize outlet, the broken outlet is connected with the slurrying entrance, the pulper
It is additionally operable to for the fragment to be separated into flexible material, rigid material and the organic chylema of kitchen together with the first siftage
Material.First oversize enters disintegrating machine 280, and in certain embodiments, disintegrating machine 280 tears up disintegrating machine for twin shaft, can be by first
Oversize is broken into the fragment of the size of below particle diameter 40mm.
Specifically, the fragment that disintegrating machine 280 is exported is also in pulper 240, and fragment is together with the first siftage
Flexible material, rigid material and kitchen organic matter slurry is separated in pulper 240.
In another embodiment, as shown in figure 9, restaurant garbage treating system also includes eddy current separator 290, the whirlpool
Electric current separator 290 includes sorting chamber (not shown), and the sorting chamber is provided with eddy current separation entrance (not shown), non-ferrous metal
Outlet (not shown) and remaining rigidity material outlet (not shown), the eddy current separation entrance is with rigid material discharging opening even
Connect, the remaining rigidity material outlet is connected with the feed arrangement, and the ball mill 250 is additionally operable to grind remaining rigid board
Material.Specifically, the feed arrangement of ball mill 250 receives remaining rigidity material, and remaining rigidity material is together with kitchen organic matter slurry
Grind in ball mill 250 together, in the polished kitchen organic matter slurry being incorporated to after grinding of residue rigidity material.
Further, eddy current separator 290 is additionally operable to receive the second oversize and sorted.The of disc screen 260
The outlet of two oversizes is connected with eddy current separation entrance, and eddy current separator is additionally operable to sub-elect secondary point from the second oversize
Non-ferrous metal and leftover materials are selected, secondary sorting non-ferrous metal is from non-ferrous metal outlet output, and leftover materials are from remaining rigid board
Material outlet output.
The rigid material of pulper output, through the kitchen organic matter slurry after eddy current separation, grinding, only includes little one
Partial metal, for preventing metal by insecticide wedging, the kitchen organic matter slurry after grinding carries out an eddy current separation again, with
Kitchen organic matter slurry is realized not comprising metal, or tenor is very low does not include statistics.Sub-elect from the second oversize
Leftover materials after secondary sorting non-ferrous metal, do not contain metal, the feeding that can use as insecticide after processing through subsequent course
Material.
Presently preferred embodiments of the present invention is the foregoing is only, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement that is made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of Food waste treatment method, it is characterised in that include：
Receive changing food waste and convey；
The changing food waste come by the conveying carries out primary screening, obtains the first oversize and the first siftage；
Receive first siftage and separating treatment is carried out, obtain flexible material, rigid material and kitchen organic matter slurry；
Receive the kitchen organic matter slurry and grind；
Receive the kitchen organic matter slurry after grinding and postsearch screening is carried out, obtain the second oversize and the second siftage；
Second siftage is stored to modulation tank storage.
2. the method for claim 1, it is characterised in that methods described also includes：
First oversize is crushed to the fragment of below particle diameter 40mm；
Described receive first siftage and carry out separating treatment, obtain flexible material, rigid material and kitchen organic matter
The step of slurry, specifically includes：
Receive the fragment and the first siftage and separating treatment is carried out, be separated into flexible material, rigid material and kitchen
Organic matter slurry.
3. method as claimed in claim 1 or 2, it is characterised in that methods described also includes：
Receive rigid material and therefrom sub-elect a sorting non-ferrous metal and remaining rigidity material；
Receive the remaining rigidity material and kitchen organic matter slurry and grind.
4. method as claimed in claim 3, it is characterised in that the kitchen organic matter slurry to after grinding carries out secondary sieve
Choosing, the step of obtain the second oversize and the second siftage after include：
Receive the second oversize and secondary sorting non-ferrous metal and leftover materials are sub-elected from the second oversize.
5. a kind of restaurant garbage treating system, it is characterised in that include：
Feed bin, the feed bin is used for depositing changing food waste, and the feed bin includes bottom groove, and the side of the bottom groove opens up
Discharge opening；
Auger conveyor, the auger conveyor is fixed in the bottom groove, and the outlet of the auger conveyor and institute
State discharge opening connection；
Disc-type filter, the disc-type filter includes to filter entrance and video disc sieve, the filtration entrance and the discharging
Hole connects, and the changing food waste of video disc sieve aperture for failing to sieve by video disc is the first oversize, through the video disc of video disc sieve
The changing food waste of sieve aperture is the first siftage, and the disc-type filter also includes that the outlet of the first oversize and the first siftage go out
Mouthful, first oversize is through the outlet output of the first oversize, and first siftage is through the outlet output of the first siftage；
Pulper, the pulper includes slurrying cavity, and the slurrying cavity includes slurrying entrance and flexible material discharging opening, just
Property material discharging opening and kitchen organic matter stock discharge mouth, the slurrying entrance is connected with first siftage outlet；
Ball mill, the ball mill includes feed arrangement and ball milling cavity, one end of the feed arrangement and the organic chylema of kitchen
Material discharging opening connection, the other end of the feed arrangement is connected with ball milling cavity, and the ball milling cavity has ball milling outlet；
Disc screen, the disc screen is connected with ball milling outlet, and the disc screen includes disk sieve plate, and wherein, disc screen screen goes out
The kitchen organic matter slurry is the second oversize, through the kitchen organic matter slurry of disk sieve plate be the second siftage, described
Disc screen also includes the outlet of the second oversize and the outlet of the second siftage, and second oversize exports defeated through the second oversize
Go out, second siftage is through the outlet output of the second siftage；
Modulation tank, the modulation tank includes tank body, and the tank body has modulation opening, and the modulation opening is gone out with the second siftage
Mouth connection；
The changing food waste that deposits in feed bin is transported to disc-type filter by the auger conveyor, and the disc-type filter will
Changing food waste filters out the first oversize and the first siftage, and the first siftage is separated into flexible material, rigid board by pulper
Material and kitchen organic matter slurry are simultaneously respectively outputted to flexible material discharging opening, rigid material discharging opening and kitchen organic matter slurry
Discharging opening, ball mill will export ball milling outlet after the grinding of kitchen organic matter slurry, and the disc screen filters out the second oversize
With the second siftage, second siftage of modulation tank storage.
6. system as claimed in claim 5, it is characterised in that the system also includes：
Disintegrating machine, the disintegrating machine includes to crush cavity, and the broken cavity is provided with broken entrance and broken outlet, described broken
Entrance is connected with first oversize outlet, and the broken outlet is connected with the slurrying entrance, and the pulper is additionally operable to
The fragment is separated into flexible material, rigid material and kitchen organic matter slurry together with the first siftage.
7. system as claimed in claim 5, it is characterised in that the system also includes：
Eddy current separator, the eddy current separator includes sorting chamber, and the sorting chamber is provided with eddy current separation entrance, coloured
Metal outlet and remaining rigidity material outlet, the eddy current separation entrance is connected with rigid material discharging opening, described remaining firm
Property material outlet be connected with the feed arrangement, the ball mill is additionally operable to grind remaining rigidity material.
8. system as claimed in claim 6, it is characterised in that the second oversize outlet and the eddy current separation entrance
Connection, the eddy current separator is additionally operable to sub-elect secondary sorting non-ferrous metal and leftover materials from the second oversize.
9. the system as described in any one of claim 5 to 8, it is characterised in that the feed bin longitudinal cross-section be shaped as funnel
Shape, the bottom groove is arranged at bin bottom, and the feed bin also includes upwardly extending tiltedly by the both sides of the bottom groove
Wall and by the upwardly extending side wall of the skew wall.
10. the system as described in any one of claim 5 to 8, it is characterised in that the auger conveyor is shaftless screw conveying
Device, the shaftless screw carrier includes spirillum and driving means, the driving means be fixed on the bottom groove away from
The side of discharging opening, the spirochetal side is rotatably coupled with the driving means, the spirochetal opposite side with
The discharge opening connection.
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| CN106424090B (en) | 2019-06-11 |
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