CN106552817A - A kind of changing food waste pretreatment system and method - Google Patents
A kind of changing food waste pretreatment system and method Download PDFInfo
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- CN106552817A CN106552817A CN201710020965.0A CN201710020965A CN106552817A CN 106552817 A CN106552817 A CN 106552817A CN 201710020965 A CN201710020965 A CN 201710020965A CN 106552817 A CN106552817 A CN 106552817A
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- Prior art keywords
- food waste
- changing food
- debris
- serosity
- water
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- 239000010794 food waste Substances 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 239000004576 sand Substances 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000012216 screening Methods 0.000 claims abstract description 17
- 238000000926 separation method Methods 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 17
- 239000003921 oil Substances 0.000 claims description 17
- 239000010806 kitchen waste Substances 0.000 claims description 12
- 238000002203 pretreatment Methods 0.000 claims description 9
- 238000005191 phase separation Methods 0.000 claims description 7
- 238000013467 fragmentation Methods 0.000 claims description 5
- 238000006062 fragmentation reaction Methods 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 210000000476 body water Anatomy 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 17
- 239000010813 municipal solid waste Substances 0.000 description 16
- 239000000463 material Substances 0.000 description 12
- 238000012545 processing Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 9
- 241000196324 Embryophyta Species 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 238000000605 extraction Methods 0.000 description 5
- 239000005416 organic matter Substances 0.000 description 5
- 238000007781 pre-processing Methods 0.000 description 5
- 239000004519 grease Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 238000004513 sizing Methods 0.000 description 4
- 238000005119 centrifugation Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003225 biodiesel Substances 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/80—Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/02—Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to a kind of changing food waste pretreatment system and method.The system includes：Material-receiving device, which is used to store, conveys changing food waste and carry out preliminary solid-liquid separation to the changing food waste；Sorting equipment, which receives the changing food waste from the material-receiving device, and is sorted, and the first kind debris in the changing food waste are separated；Broken and screening plant, the changing food waste after which is used for sorting is crushed, and carries out the slurrying that adds water, while Equations of The Second Kind debris are screened out, to obtain serosity；Sand-catching apparatus, which is used to the 3rd class debris in the serosity to be separated and be discharged；Centrifugal filter press device, its described serosity of reception after sand setting, and the 4th class debris in the serosity are separated；Three-phase separating device, its described serosity of reception Jing after centrifugal filter press, and the serosity is separated into into oil, three kinds of states of water and solid matter.
Description
Technical field
The present invention relates to technical field of waste treatment, in particular to a kind of changing food waste pretreatment system and method.
Background technology
In recent years, as Urbanization in China is accelerated, people's living standard is steadily improved, food processing, catering industry
Fast development, changing food waste yield quickly increase, if a large amount of undressed changing food wastes flow into society by all means,
Water environment and city city appearance environment will be had a strong impact on, serious harm food safety, serious harm society jeopardize health of people peace
Entirely, cause human-body safety major hidden danger.
Changing food waste, also known as water from washing rice, is sanitary waste that resident is formed during personal consumption, easily rots,
Stench is distributed, is spread germs and virus.Changing food waste main component include a meter dough-making powder group food remnants, vegetable, vegetable and animals oils,
Meat bone etc., chemically on composition, has starch, cellulose, protein, lipid and inorganic salt etc..
At present, it is in the pretreatment link of kitchen garbage processing technology field, particularly changing food waste, existing on market
Complex treatment process；Poor processing effect, it is impossible to effectively the Organic substance in changing food waste and useless inorganic matters are separated,
Cause organism utilization rate low；Simultaneously because the material shapes and complicated component of domestic changing food waste, cause the event of processing equipment
Barrier rate is high, and treatment effeciency is low, and maintenance cost is high.
Therefore, it is necessary to a kind of new changing food waste pretreatment system and method are proposed, to solve the above problems.
The content of the invention
A series of concept of reduced forms is introduced in Summary, this will enter in specific embodiment part
One step is described in detail.The Summary of the present invention is not meant to attempt to limit technical scheme required for protection
Key feature and essential features, more do not mean that the protection domain for attempting to determine technical scheme required for protection.
For the deficiencies in the prior art, the embodiment of the present invention one provides a kind of changing food waste pretreatment system, the system
System includes：
Material-receiving device, which is used to store, conveys changing food waste and carry out preliminary solid-liquid separation to the changing food waste；
Sorting equipment, which receives the changing food waste from the material-receiving device, and is sorted, by the kitchen
First kind debris in rubbish are separated；
Broken and screening plant, the changing food waste after which is used for sorting is crushed, and carries out the slurrying that adds water, together
When Equations of The Second Kind debris are screened out, to obtain serosity；
Sand-catching apparatus, which is used to the 3rd class debris in the serosity to be separated and be discharged；
Centrifugal filter press device, its described serosity of reception after sand setting, and the 4th class debris in the serosity are divided
Separate out；
Three-phase separating device, its described serosity of reception Jing after centrifugal filter press, and the serosity is separated into into oil, water and is consolidated
Three kinds of states of phase material.
Further, the material-receiving device includes bucket body, conveyor screw and water leg, and the bucket body is used to store the kitchen
Rubbish, the conveyor screw are for the changing food waste in the bucket body is transported in the sorting equipment, described to catchment
Groove is used to collect the water in the changing food waste.
Further, the material-receiving device also includes the water logging device being arranged in the bucket body, and the water logging device is used for
Free state water in the changing food waste is collected in the water leg, the preliminary solid-liquid separation is realized.
Further, the bucket cover that can be closed and open is additionally provided with the bucket body.
Further, the bucket cover automatically controls which by electric control gear and closes and opening.
Further, crush and screening plant include disintegrating machine and crusberscreen, disintegrating machine by sorting after the kitchen
Rubbish is crushed, and during broken, add water to carry out preliminary slurrying simultaneously, and the crusberscreen will be broken described in Jing
The changing food waste of broken crusher machine is further crushed and is added water and carried out slurrying, and screens out the Equations of The Second Kind debris.
Further, the disintegrating machine is single-shaft-rotation blade crusher, and which uses main shaft to hang blade and crushes, and adopts
Use random fragmentation method.
Further, the crusberscreen is hammer slice type structure.
Further, the size of the first kind debris is more than 50mm, by mechanical sorting mode by the first kind debris
Separate.
Further, the size of the Equations of The Second Kind debris is more than 20mm.
Further, the size of the 4th class debris is more than 1mm.
Further, the sand-catching apparatus adopt suspension sand setting mode.
Further, what the centrifugal device was received is after sand setting and through the serosity of the first heat treated.
Further, the temperature range of first heat treated is 45～60 DEG C.
Further, the three-phase separating device received for Jing after centrifugal filter press and through the slurry of the second heat treated
Liquid.
Further, the temperature range of second heat treated is 65-70 DEG C.
The embodiment of the present invention two provides a kind of Kitchen waste pretreatment method, and methods described includes：
Splicing step is carried out, and preliminary solid-liquid separation is carried out with storage, conveying changing food waste and to the changing food waste；
Separation step is carried out to the changing food waste, the first kind debris in the changing food waste are separated；
Broken and screening step is carried out, is crushed with the changing food waste after to sorting, and is carried out the slurrying that adds water, together
When Equations of The Second Kind debris are screened out, to obtain serosity；
Sand setting step is carried out, the 3rd class debris in the serosity are separated and discharged；
Centrifugal filter press step is carried out, the 4th class debris in the serosity after sand setting are separated；
Carry out three phase separation step, by the centrifugal filter press described in after the serosity be separated into oil, water and solid matter
Three kinds of states.
Further, the broken and screening step includes procedure below：
Changing food waste after sorting is crushed, and during broken, add water to carry out preliminary slurrying simultaneously；
The changing food waste crushed described in Jing is further crushed and slurrying, and it is miscellaneous to screen out the Equations of The Second Kind
Thing, to obtain the serosity.
Further, the centrifugal filter press step is by the 4th class after sand setting and in the serosity of the first heat treated
Debris are separated.
Further, the three phase separation step is by after the centrifugal filter press described in and through the serosity separation of the second heat treated
Into oil, three kinds of states of water and solid matter.
Further, implement methods described using aforesaid system.
The changing food waste pretreatment system of the present invention, overcomes general kitchen waste preprocessing technology system operation maintenance multiple
Miscellaneous, treatment effect is undesirable, the higher problem of pretreatment processing cost；The overall system architecture is compact, it is little to take up an area, and continuously can make
Industry, it is convenient and swift, the utilization rate and grease extraction efficiency of Organic substance are improve, the pretreatment neck of changing food waste is can be widely used in
Domain, improves the efficiency of rubbish pretreatment；Operation is simple and reliable, safeguards simple, for the subsequent treatment of changing food waste has good
Effect, maximum realize the regeneration of waste material.
Description of the drawings
The drawings below of the present invention is used to understand the present invention in this as the part of the present invention.Shown in the drawings of this
Bright embodiment and its description, for explaining the principle of the present invention.
In accompanying drawing：
Fig. 1 shows the schematic diagram of the changing food waste pretreatment system in one embodiment of the present invention；
Fig. 2 shows the process chart of the Kitchen waste pretreatment method in one embodiment of the present invention.
Specific embodiment
In the following description, a large amount of concrete details are given to provide more thorough understanding of the invention.So
And, it is obvious to the skilled person that the present invention can be able to without the need for one or more of these details
Implement.In other examples, in order to avoid obscuring with the present invention, for some technical characteristics well known in the art do not enter
Row description.
It should be appreciated that the present invention can be implemented in different forms, and should not be construed as being limited to what is proposed here
Embodiment.Disclosure will be made thoroughly and complete on the contrary, providing these embodiments, and be will fully convey the scope of the invention to
Those skilled in the art.In the accompanying drawings, in order to clear, the size and relative size of each structure may be exaggerated.Ad initio extremely
Whole same reference numerals represent identical element.
The purpose of term as used herein is only that description specific embodiment and the restriction not as the present invention.Here makes
Used time, " one " of singulative, " one " and " described/should " be also intended to include plural form, unless context is expressly noted that separately
Outer mode.It is also to be understood that term " composition " and/or " including ", when using in this specification, the feature, whole is determined
The presence of number, step, operation, element and/or part, but be not excluded for one or more other features, integer, step, operation,
The presence or addition of element, part and/or group.When here is used, term "and/or" includes any of related Listed Items and institute
There is combination.
In order to thoroughly understand the present invention, detailed step and detailed structure will be proposed in following description, so as to
Explain technical scheme proposed by the present invention.Presently preferred embodiments of the present invention is described in detail as follows, but except these detailed descriptions
Outward, the present invention can also have other embodiment.
Embodiment one
In order to solve problem present in kitchen garbage processing technology, the present invention proposes a kind of changing food waste pretreatment system
System, which mainly includes：
Material-receiving device, which is used to store, conveys changing food waste and carry out preliminary solid-liquid separation to the changing food waste；
Sorting equipment, which receives the changing food waste from the material-receiving device, and is sorted, by the kitchen
First kind debris in rubbish are separated；
Broken and screening plant, the changing food waste after which is used for sorting is crushed, and carries out the slurrying that adds water, together
When Equations of The Second Kind debris are screened out, to obtain serosity；
Sand-catching apparatus, which is used to the 3rd class debris in the serosity to be separated and be discharged；
Centrifugal filter press device, its described serosity of reception after sand setting, and the 4th class debris in the serosity are divided
Separate out；
Three-phase separating device, its described serosity of reception Jing after centrifugal filter press, and the serosity is separated into into oil, water and is consolidated
Three kinds of states of phase material.
A kind of changing food waste pretreatment system of the embodiment of the present invention, overcomes general kitchen waste preprocessing technology system
Operation and Maintenance is complicated, treatment effect is undesirable, the higher problem of pretreatment processing cost；The overall system architecture is compact, it is little to take up an area,
Can work continuously, it is convenient and swift, the utilization rate and grease extraction efficiency of Organic substance are improve, the pre- of changing food waste is can be widely used in
Process field, improves the efficiency of rubbish pretreatment；Operation is simple and reliable, safeguards simple, for the subsequent treatment of changing food waste has
Good effect.Maximum realizes the regeneration of waste material.
Below, the changing food waste pretreatment system of the present invention is described in detail with reference to Fig. 1, wherein, Fig. 1 shows this
The schematic diagram of the changing food waste pretreatment system in one embodiment of invention.
Specifically, as shown in figure 1, the changing food waste pretreatment system of the present invention includes：Material-receiving device, which is used to storing,
Convey changing food waste and preliminary solid-liquid separation is carried out to the changing food waste, the material-receiving device Main Function is to receive kitchen car
The rubbish for coming is poured in receiving hopper, is easy to for changing food waste to be transported to subsequent processing device.
In one example, the material-receiving device includes bucket body, conveyor screw and water leg, and the bucket body is used to store institute
State changing food waste, the conveyor screw for the changing food waste in the bucket body is transported in the sorting equipment, institute
State the water that water leg is used to collect in the changing food waste.
Alternatively, bucket body can be the large-scale hopper that volume is 40 cubic metres, or other volumes are less or greater than 40
The hopper of cubic meter is equally applicable to the present invention, and the effect of the bucket body is the storage demand for meeting daily changing food waste.
Further, the bucket cover that can be closed and open is also provided with bucket body, the bucket cover is in kitchen car discharging
Bucket cover is opened, and after unsnatching material, bucket cover is closed, it is to avoid changing food waste stink leaks, wherein, bucket cover can be controlled automatically by electric control gear
Make which to close and open, or other manual control modes.
In one example, the material-receiving device also includes the water logging device being arranged in the bucket body, wherein, dewatering dress
Putting to include the dewatering net that is arranged in bucket body, the water in changing food waste in the bucket body through dewatering net mesh by major part
The water of free state is collected in water leg, and the water that here is collected can be used to follow-up carry oil.
Therefore, three function of material-receiving device collection and one, only not existing storage, conveying function, and can also be real
Now preliminary solid-liquid separation, reduces technological process.
Further, changing food waste pretreatment system of the invention also includes sorting equipment, for example, sorter, its reception
From the changing food waste of the material-receiving device, and sorted, the first kind debris in the changing food waste are separated
Go out.
Wherein, the useless first kind debris in changing food waste are separated by sorting equipment, while which also has broken bag
Effect, part will be held into the refuse bag destruction of changing food waste, so that the changing food waste in which spills, will be easy to sorting.
Alternatively, the size of the first kind debris is more than 50mm, and those first kind debris can for example be vial, modeling
First kind debris in the changing food waste are separated by pocket, lunch box etc. by mechanical sorting mode, further, are divided
The debris sorted out can also be transported to debris outward transport in-car by conveyer, and those debris are transported to rubbish by debris outward transport car
In burning processing system, burning disposal is carried out.
Further, changing food waste pretreatment system of the invention also includes broken and screening plant, and which is used to sort
The changing food waste afterwards is crushed, and carries out slurrying, reduces the relative adhesion of material, while Equations of The Second Kind debris are screened out
Go, to obtain serosity.
Wherein, crush and screening plant include disintegrating machine and crusberscreen, disintegrating machine by sorting after the kitchen rubbish
Rubbish is crushed, and during broken, add water to carry out preliminary slurrying simultaneously, and the crusberscreen will be crushed described in Jing
The changing food waste of crusher machine is further crushed and is added water and carried out slurrying, and screens out Equations of The Second Kind debris, to obtain
Serosity.
Changing food waste after sorting is further crushed by disintegrating machine, is conducive to the extraction of organic matter, and disintegrating machine is also
Can be single-shaft-rotation blade crusher, which adopts main shaft to hang blade and crushes, and crushes using random fragmentation method, it is to avoid will be miscellaneous
Thing is excessively crushed, and is unfavorable for the separation of debris, adds water of sizing mixing to carry out preliminary slurrying simultaneously, form unscreened stock in broken process
Liquid, water of sizing mixing can be the waste water of the three-phase separator in the system of the present invention, changing food waste after crushing (namely it is preliminary
Unscreened stock liquid after slurrying) crusberscreen is entered, crusberscreen can be further crushed to unscreened stock liquid for hammer slice type structure
With the slurrying that adds water, meanwhile, screen out Equations of The Second Kind debris, Equations of The Second Kind debris include being difficult that smashing, value is relatively low is tiny
Debris, such as crude fibre, plastic sheet etc., the size of the Equations of The Second Kind debris are more than 20mm.
Wherein, Equations of The Second Kind debris after screening can also be transported to debris outward transport in-car by conveyer, by debris
Outward transport car is transported to those debris in waste incineration processing system, carries out burning disposal.
Therefore, the system selects single-shaft-rotation blade crusher, carries out random fragmentation to material, was unlikely to debris
Cross broken, it is ensured that debris separating effect, while coordinating hammer crusher to use, crush brittle substance, reach entering for organic matter
One step slurrying, improves the utilization rate of organic matter.
Further, changing food waste pretreatment system of the invention also includes sand-catching apparatus, and which is used for Jing is broken and sieves
The 3rd class debris in the serosity after point are separated and are discharged.
Wherein, the serosity for Equations of The Second Kind debris being removed after crushing and sieving enters sand-catching apparatus, and the sand-catching apparatus include
For the sand settling machine of sand setting, sand setting adopts suspension sand setting mode, removes the 3rd class debris.Alternatively, the 3rd class debris are
Refer to weight debris, weight debris include sheet glass, shell, bone etc..Weight debris are discharged through conveying worm, and are burned.
Further, centrifugal filter press device, its described serosity after sand setting of reception, and by the 4th in the serosity
Class debris are separated.
Alternatively, the 4th class debris are debris of the size more than 1mm.
Wherein, centrifugal filter press device includes centrifugal filter press machine, and the model of the centrifugal filter press machine can be the type being arbitrarily adapted to
Number, the centrifugal filter press adopts centrifugal principle, and coordinates net bucket to use, and the hole on net bucket is less than 1mm, little in the presence of centrifugation
It is discharged in the fines of 1mm, the debris more than 1mm are discharged from debris mouth, the debris being discharged can carry out burning disposal.
Exemplarily, the serosity after sand setting enters centrifugal filter press machine after the first heat treated.
Alternatively, the heating temperature range of first heat treated can be 45～60 DEG C, such as 45 DEG C, 50 DEG C, 55
DEG C, 60 DEG C etc., the purpose of heating improves the effect of centrifugal filter press, is easy to isolate to reduce the viscosity of material (namely serosity)
More than the debris of 1mm.
Further, changing food waste pretreatment system of the invention also includes three-phase separating device, and which receives Jing centrifugation pressures
The serosity after filter, and the serosity is separated into into oil, three kinds of states of water and solid matter.
Wherein, three-phase separating device includes three-phase separator, and the three-phase separator can be the model being arbitrarily adapted to.
In one example, in order to improve the effect of three phase separation, what the three-phase separating device was received is centrifuged for Jing
After filter pressing and through the serosity of the second heat treated.
Alternatively, the heating temperature range of the second heat treated can be 65～70 DEG C, be alternatively other suitable temperature.
Wherein, the serosity is separated into into oil, three kinds of states of water and solid matter, the oil isolated by three-phase separating device
Anaerobic fermentation can be carried out as the raw material of biodiesel, the water isolated (water is waste water) and solid matter, and be divided
The water for separating out can be additionally used in the water of sizing mixing in aforesaid broken and screening plant.
It is noted that the solid matter isolated can be including solid organic etc..
So far the description of the changing food waste pretreatment system to the present invention is completed, for complete system is also possible that
Other devices and aid etc., here is not done and is repeated one by one.
In sum, a kind of changing food waste pretreatment system of the invention, overcomes general kitchen waste preprocessing technology
System operation maintenance is complicated, treatment effect is undesirable, the higher problem of pretreatment processing cost；The overall system architecture is compact, account for
Ground is little, can work continuously, convenient and swift, improves the utilization rate and grease extraction efficiency of Organic substance, can be widely used in kitchen rubbish
The preprocessing technical field of rubbish, improves the efficiency of rubbish pretreatment；Operation is simple and reliable, safeguards simple, follow-up for changing food waste
Process has good effect, and maximum realizes the regeneration of waste material.
Specifically, the advantage of changing food waste pretreatment system of the invention includes following several respects：
1st, three function of material-receiving device collection of changing food waste pretreatment system of the invention and one, only not existing to deposit
Storage, conveying function, and preliminary solid-liquid separation can also be realized, reduce technological process.
2nd, the disintegrating machine of changing food waste pretreatment system of the invention selects single-shaft-rotation blade crusher, and material is entered
Row random fragmentation, makes debris be unlikely to transition and crushes, it is ensured that debris separating effect, while coordinating hammer crusher to use, break
Broken brittle substance, reaches the further slurrying of organic matter, improves the utilization rate of organic matter.
3rd, strong adaptability of the changing food waste pretreatment system of the invention to material, equipment failure rate are low, operating cost and
Maintenance cost is low, and whole operation process is capable of achieving automatically controlled remote monitoring and operation, operating aspect.
Embodiment two
The present invention also provides a kind of Kitchen waste pretreatment method, it is possible to use the system of aforementioned enforcement one implements the party
Method.
Specifically, as shown in Fig. 2 the Kitchen waste pretreatment method of the present invention is mainly included the following steps that：
Step S1, carries out splicing step, carries out preliminary solid-liquid with storage, conveying changing food waste and to the changing food waste
Separate；
Step S2, carries out separation step to the changing food waste, and the first kind debris in the changing food waste are separated
Go out；
Step S3, is carried out broken and screening step, is crushed with the changing food waste after to sorting, and added water
Slurrying, while Equations of The Second Kind debris are screened out, to obtain serosity；
Step S4, carries out sand setting step, and the 3rd class debris in the serosity are separated and discharged；
Step S5, carries out centrifugal filter press step, and the 4th class debris in the serosity after sand setting are isolated
Go；
Step S6, carries out three phase separation step, by the centrifugal filter press described in after the serosity be separated into oil, water and solid
Three kinds of states of phase material.
In one example, in step sl, using the material-receiving device of aforementioned system, the material-receiving device includes bucket
Body, conveyor screw and water leg, the bucket body are used to store the changing food waste, and the conveyor screw is for by the bucket body
The changing food waste be transported in the sorting equipment, the water leg is used to collect water in the changing food waste.
Alternatively, bucket body can be the large-scale hopper that volume is 40 cubic metres, or other volumes are less or greater than 40
The hopper of cubic meter is equally applicable to the present invention, and the effect of the bucket body is the storage demand for meeting daily changing food waste.
Further, the bucket cover that can be closed and open is also provided with bucket body, the bucket cover is in kitchen car discharging
Bucket cover is opened, and after unsnatching material, bucket cover is closed, it is to avoid changing food waste stink leaks, wherein, bucket cover can be controlled automatically by electric control gear
Make which to close and open, or other manual control modes.
In one example, the material-receiving device also includes the water logging device being arranged in the bucket body, wherein, dewatering dress
Putting to include the dewatering net that is arranged in bucket body, the water in changing food waste in the bucket body through dewatering net mesh by major part
The water of free state is collected in water leg, and the water that here is collected can be used to follow-up carry oil.
Therefore, three function of material-receiving device collection and one, only not existing storage, conveying function, and can also be real
Now preliminary solid-liquid separation, reduces technological process.
Further, in step s 4, the broken and screening step includes procedure below：
Changing food waste after sorting is crushed, and during broken, add water to carry out preliminary slurrying simultaneously；
The changing food waste crushed described in Jing is further crushed and added water slurrying, and is screened out the Equations of The Second Kind
Debris, to obtain the serosity.
Further, the centrifugal filter press step is by the 4th after sand setting and in the serosity of the first heat treated
Class debris are separated.
Alternatively, the 4th class debris are debris of the size more than 1mm.
Wherein, centrifugal filter press device includes centrifugal filter press machine, and the model of the centrifugal filter press machine can be the type being arbitrarily adapted to
Number, the centrifugal filter press using centrifugal principle, and coordinates net bucket to use, and the hole on net bucket is less than 1mm, in the presence of centrifugation
Fines less than 1mm is discharged, and the debris more than 1mm are discharged from debris mouth, and the debris being discharged can carry out burning disposal.
Exemplarily, the serosity after sand setting enters centrifugal filter press machine after the first heat treated.
Alternatively, the heating temperature range of first heat treated can be 45～60 DEG C, such as 45 DEG C, 50 DEG C, 55
DEG C, 60 DEG C etc., the purpose of heating improves the effect of centrifugal filter press, is easy to isolate to reduce the viscosity of material (namely serosity)
More than the debris of 1mm.
Further, the three phase separation step is by after the centrifugal filter press described in and through the serosity point of the second heat treated
From into oil, three kinds of states of water and solid matter.
Alternatively, the heating temperature range of the second heat treated can be 65～70 DEG C, be alternatively other suitable temperature.
Wherein, the serosity is separated into into oil, three kinds of states of water and solid matter, the oil isolated by three-phase separating device
Anaerobic fermentation can be carried out as the raw material of biodiesel, the water isolated (water is waste water) and solid matter, and be divided
The water for separating out can be additionally used in the water of sizing mixing in aforesaid broken and screening plant.
It is noted that the solid matter isolated can be including solid organic etc..
As the Kitchen waste pretreatment method of the present invention can be implemented using the system of aforementioned enforcement one, therefore, this
The Kitchen waste pretreatment method of invention is with the system identical advantage with previous embodiment one.
It is multiple that the Kitchen waste pretreatment method of the present invention overcomes general kitchen waste preprocessing technology system operation maintenance
Miscellaneous, treatment effect is undesirable, the higher problem of pretreatment processing cost；The overall system architecture is compact, it is little to take up an area, and continuously can make
Industry, it is convenient and swift, the utilization rate and grease extraction efficiency of Organic substance are improve, the pretreatment neck of changing food waste is can be widely used in
Domain, improves the efficiency of rubbish pretreatment；Operation is simple and reliable, safeguards simple, for the subsequent treatment of changing food waste has good
Effect.Maximum realizes the regeneration of waste material.
The present invention is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is only intended to
Citing and descriptive purpose, and be not intended to limit the invention in described scope of embodiments.In addition people in the art
Member is it is understood that the invention is not limited in above-described embodiment, teaching of the invention can also be made more kinds of
Variants and modifications, within these variants and modifications all fall within scope of the present invention.Protection scope of the present invention by
The appended claims and its equivalent scope are defined.
Claims (21)
1. a kind of changing food waste pretreatment system, it is characterised in that the system includes：
Material-receiving device, which is used to store, conveys changing food waste and carry out preliminary solid-liquid separation to the changing food waste；
Sorting equipment, which receives the changing food waste from the material-receiving device, and is sorted, by the changing food waste
In first kind debris separate；
Broken and screening plant, the changing food waste after which is used for sorting is crushed, and carries out the slurrying that adds water, while will
Equations of The Second Kind debris are screened out, to obtain serosity；
Sand-catching apparatus, which is used to the 3rd class debris in the serosity to be separated and be discharged；
Centrifugal filter press device, its described serosity of reception after sand setting, and the 4th class debris in the serosity are isolated
Go；
Three-phase separating device, its described serosity of reception Jing after centrifugal filter press, and the serosity is separated into into oil, water and solid formation
Three kinds of states of matter.
2. the system as claimed in claim 1, it is characterised in that the material-receiving device includes bucket body, conveyor screw and water leg,
The bucket body is used to store the changing food waste, and the conveyor screw is for the changing food waste in the bucket body is transported to
In the sorting equipment, the water leg is used to collect the water in the changing food waste.
3. system as claimed in claim 2, it is characterised in that the material-receiving device also includes the drip being arranged in the bucket body
Water installations, the water logging device are realized described for the free state water in the changing food waste is collected in the water leg
Preliminary solid-liquid separation.
4. system as claimed in claim 2, it is characterised in that the bucket that can be closed and open is additionally provided with the bucket body
Lid.
5. system as claimed in claim 4, it is characterised in that the bucket cover automatically controls which by electric control gear and closes and beat
Open.
6. the system as claimed in claim 1, it is characterised in that broken and screening plant includes disintegrating machine and crusberscreen,
Disintegrating machine by sorting after the changing food waste crushed, and during broken, add water to carry out preliminary slurrying simultaneously,
The changing food waste of crusher in crushing described in Jing is further crushed and is added water and carried out slurrying by the crusberscreen,
And screen out the Equations of The Second Kind debris.
7. system as claimed in claim 6, it is characterised in that the disintegrating machine is single-shaft-rotation blade crusher, and which makes
Blade is hung with main shaft to crush, and adopts random fragmentation method.
8. system as claimed in claim 6, it is characterised in that the crusberscreen is hammer slice type structure.
9. the system as claimed in claim 1, it is characterised in that the size of the first kind debris is more than 50mm, by machinery
The first kind debris are separated by sorting mode.
10. the system as claimed in claim 1, it is characterised in that the size of the Equations of The Second Kind debris is more than 20mm.
11. the system as claimed in claim 1, it is characterised in that the size of the 4th class debris is more than 1mm.
12. the system as claimed in claim 1, it is characterised in that the sand-catching apparatus adopt suspension sand setting mode.
13. the system as claimed in claim 1, it is characterised in that the centrifugal device is received is after sand setting and Jing
Cross the serosity of the first heat treated.
14. systems as claimed in claim 13, it is characterised in that the temperature range of first heat treated is 45～60
℃。
15. the system as claimed in claim 1, it is characterised in that the three-phase separating device received for Jing centrifugal filter press
Afterwards and through the serosity of the second heat treated.
16. systems as claimed in claim 15, it is characterised in that the temperature range of second heat treated is 65～70
℃。
17. a kind of Kitchen waste pretreatment methods, it is characterised in that methods described includes：
Splicing step is carried out, and preliminary solid-liquid separation is carried out with storage, conveying changing food waste and to the changing food waste；
Separation step is carried out to the changing food waste, the first kind debris in the changing food waste are separated；
Broken and screening step is carried out, is crushed with the changing food waste after to sorting, and is carried out the slurrying that adds water, while will
Equations of The Second Kind debris are screened out, to obtain serosity；
Sand setting step is carried out, the 3rd class debris in the serosity are separated and discharged；
Centrifugal filter press step is carried out, the 4th class debris in the serosity after sand setting are separated；
Carry out three phase separation step, by the centrifugal filter press described in after the serosity be separated into three kinds of oil, water and solid matter
State.
18. methods as claimed in claim 17, it is characterised in that the broken and screening step includes procedure below：
Changing food waste after sorting is crushed, and during broken, add water to carry out preliminary slurrying simultaneously；
The changing food waste crushed described in Jing is further crushed and slurrying, and is screened out the Equations of The Second Kind debris, with
Obtain the serosity.
19. methods as claimed in claim 17, it is characterised in that the centrifugal filter press step will be after sand setting and through
The 4th class debris in the serosity of one heat treated are separated.
20. methods as claimed in claim 17, it is characterised in that the three phase separation step by after the centrifugal filter press described in simultaneously
Oil, water, three kinds of states of solid matter are separated into through the serosity of the second heat treated.
21. methods as claimed in claim 17, it is characterised in that using the system according to one of claim 1 to 16
Implement methods described.
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| CN107876175A (en) * | 2017-12-12 | 2018-04-06 | 广东利世康低碳科技有限公司 | A kind of utensil garbage pre-processing device |
| CN108580516A (en) * | 2018-01-05 | 2018-09-28 | 北京环境工程技术有限公司 | A kind of kitchen garbage mechanical pretreatment system and its pretreating process |
| CN108687103A (en) * | 2018-04-19 | 2018-10-23 | 菲德克（天津）环保科技有限公司 | A kind of preprocess method of kitchen garbage |
| CN108889768A (en) * | 2018-07-06 | 2018-11-27 | 浙江百思达科技有限公司 | Novel kitchen wastes pre-processing system and processing method |
| CN110014018A (en) * | 2019-03-28 | 2019-07-16 | 北京云水浩瑞环境科技有限公司 | The pretreated system of kitchen garbage |
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| CN112191672A (en) * | 2020-11-12 | 2021-01-08 | 光大环保（中国）有限公司 | Kitchen waste and kitchen waste co-processing system and co-processing method |
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Application publication date: 20170405 |