CN106552817A - A kind of changing food waste pretreatment system and method - Google Patents

A kind of changing food waste pretreatment system and method Download PDF

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Publication number
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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CN
China
Prior art keywords
food waste
changing food
debris
serosity
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710020965.0A
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Chinese (zh)
Inventor
孙伟伟
刘文刚
黄明生
高用贵
王智
廖晓聪
王干
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Everbright Environmental Protection Technology Research Institute Shenzhen Co Ltd
Everbright Environmental Protection Technology Equipment Changzhou Co Ltd
Original Assignee
Everbright Environmental Protection Technology Research Institute Shenzhen Co Ltd
Everbright Environmental Protection Technology Equipment Changzhou Co Ltd
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Filing date
Publication date
Application filed by Everbright Environmental Protection Technology Research Institute Shenzhen Co Ltd, Everbright Environmental Protection Technology Equipment Changzhou Co Ltd filed Critical Everbright Environmental Protection Technology Research Institute Shenzhen Co Ltd
Priority to CN201710020965.0A priority Critical patent/CN106552817A/en
Publication of CN106552817A publication Critical patent/CN106552817A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/80Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B5/00Operations not covered by a single other subclass or by a single other group in this subclass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B2101/00Type of solid waste
    • B09B2101/02Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators

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  • 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

A kind of changing food waste pretreatment system and method
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.
CN201710020965.0A 2017-01-11 2017-01-11 A kind of changing food waste pretreatment system and method Pending CN106552817A (en)

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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
CN110116125A (en) * 2019-05-16 2019-08-13 西藏锦瑞环境科技有限责任公司 A kind of Food waste treatment method
CN110614264A (en) * 2019-10-01 2019-12-27 上海康恒环境股份有限公司 Kitchen garbage handles with connecing material storehouse and kitchen garbage pretreatment system
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
CN112658019A (en) * 2021-01-22 2021-04-16 浙江师范大学 Pretreatment method of kitchen waste

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CN107777819A (en) * 2017-10-31 2018-03-09 光大环保技术研究院(南京)有限公司 For handling the method and system of gutter oil
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
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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
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CN110116125A (en) * 2019-05-16 2019-08-13 西藏锦瑞环境科技有限责任公司 A kind of Food waste treatment method
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CN110614264A (en) * 2019-10-01 2019-12-27 上海康恒环境股份有限公司 Kitchen garbage handles with connecing material storehouse and kitchen garbage pretreatment system
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
CN112658019A (en) * 2021-01-22 2021-04-16 浙江师范大学 Pretreatment method of kitchen waste

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Application publication date: 20170405