CN106623367A - Kitchen waste three-grade separation pretreatment process - Google Patents
Kitchen waste three-grade separation pretreatment process Download PDFInfo
- Publication number
- CN106623367A CN106623367A CN201611249099.4A CN201611249099A CN106623367A CN 106623367 A CN106623367 A CN 106623367A CN 201611249099 A CN201611249099 A CN 201611249099A CN 106623367 A CN106623367 A CN 106623367A
- Authority
- CN
- China
- Prior art keywords
- kitchen castoff
- impurity
- sorting
- separation
- kitchen waste
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- 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.)
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Classifications
-
- 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
- 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
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
Abstract
The invention discloses a kitchen waste three-grade separation pretreatment process. Kitchen waste is poured in a receiving device to primarily realize solid-liquid separation; recoverable impurities and flexible impurities which cannot be recovered but generate adverse effects on subsequent processes are manually separated; magnetic substances in the kitchen waste are separated out by a magnetic force effect; magnetically separated materials are conveyed to a primary crusher by a first-grade spiral; the kitchen waste is crushed below a fixed size by a shearing crusher; crushed materials are conveyed to a large-substance separator by a second-grade spiral; large substances are separated by a steam flushing heating mode; large impurities are separated out, and are conveyed to the external through a spiral for landfilling or incineration; materials not reserved on a separator screen are conveyed to a separation pulping machine by a third-grade spiral; and the kitchen waste is crushed to prepare pulp below 10 mm by separation pulping. The pulp obtained by treatment through the pretreatment process has the characteristics of few impurities, low loss rate of the organic matters and small solid particles.
Description
Technical field
The present invention relates to a kind of kitchen castoff three-level sorts pretreating process.
Background technology
In existing kitchen castoff pretreating process, it is impossible to will be very big to subsequent process equipment infringement, magnetic separation nothing again
What method was selected, high rigidity, the non-magnetic impurity of similar stainless steel tableware class is sorted out；And slurry obtained in pretreating process,
Impurity content is higher.
The content of the invention
It is an object of the invention to provide a kind of kitchen castoff three-level sorts pretreating process, subsequent technique will can be set
The very big impurity of standby infringement is sorted out, and can provide impurity content low slurry for subsequent treatment operation.
To solve above-mentioned technical problem, the object of the present invention is achieved like this：Kitchen castoff involved by the invention
Three-level sorts pretreating process, comprises the steps：
（1）Splicing
The kitchen castoff that outward transport is collected pours material-receiving device into, and by the extruding draining conveying of material-receiving device preliminary solid-liquid is realized
Separate, solid phase is transported to artificial separation equipment by the auger of material-receiving device；Liquid phase is temporary in collecting tank from flowing into.
（2）Artificial separation
Have between closed artificial separation, and be configured with sending fresh air, foul smell to collect and deodoration system；For recoverable impurity
Recoverable but artificial separation is not carried out to the flexible impurity that subsequent process equipment operation easily causes adverse effect easily winding.
（3）Magnetic separation
The magnetisable material in kitchen castoff is filtered out using magneticaction, magnetic separator is arranged on kitchen castoff belt conveyor
Top, when rubbish is by fixed magnet lower section, magnetisable material is just adsorbed on this conveyer belt, and is started shipment with herewith band one
It is dynamic；When magnetisable material is sent to demagnetizing area, Automatic-falling is delivered to the material one-level Jing helical feed after magnetic separation primary broken
Broken machine.
（4）Primary breakup
Using disintegrating machine, kitchen castoff is ground into below fixed dimension.By through the material Jing deuterostrophieses of primary breakup
It is delivered to big sorting substances machine
（5）Big sorting substances
The step is sorted out the big different impurity of modeling by the way of steam flush heating, is carried out by helical feed to outside
Landfill is burned；And the organic matter that can be will be attached to thereon at utmost rinses.To not stay on big sorting substances machine sieve
Material Jing three-levels helical feed to pulper is sorted, will be left in impurity Jing level Four helical feed on big sorting substances machine sieve extremely
Outside landfill is burned.
（6）Sorting slurrying
Kitchen castoff is crushed the slurry for making 10 below mm, while the light materials in kitchen castoff and part are difficult
Broken impurity is separated, and can carry out the adjustment of slurry total solids content value；Will be left in sorting the impurity on pulper sieve
Impurity case is delivered to, the material on sorting pulper sieve will not stayed in and be delivered to slurry pool.
On the basis of such scheme and as the preferred version of such scheme：
Preferably, the magnetic intensity of the magnetic separator described in step 3 is 3000-3500 Gausses.
Preferably, described helical feed is conveyed using shaftless screw.
Preferably, the disintegrating machine described in step 4 is shearing.
The invention has the beneficial effects as follows：Kitchen castoff three-level of the present invention sorts pretreating process, adds people
Work point is selected, can be very big to subsequent process equipment infringement, what magnetic separation cannot be selected again, high rigidity, is similar to stainless steel tableware class
Non-magnetic impurity sort out.In addition between artificial separation, material is conveyed using pipeline or closed auger, reduces peculiar smell ease
Dissipate.Independent closed isolation between artificial separation, and supporting having send fresh air, foul smell to collect and odor removal, creates one and relatively fits
Suitable working environment.Using artificial separation and two-stage mechanical sorting, sorting is fine, suitably various to utilize from sourceization and innoxious place
The demand of reason；The steel reinforced concrete pool that material storage is sealed using seal case or Chi Ding, not directly with extraneous exposed contact,
Peculiar smell diverging is reduced, and the foul smell generating source of whole technical process all devices is mounted on foul smell access port, is accessible to
In the deodoration system of user so that whole production environment neat and tidy；Kitchen castoff process should have targetedly " people's work point
The pretreating process of choosing+broken+two-stage mechanical sorting " feature slurry resulting after processing is high, organic with removal of impurity
The characteristics of matter loss late is little, solid particle is little.
Description of the drawings
Fig. 1 is kitchen castoff three-level sorting pretreating process flow chart；
Fig. 2 is kitchen castoff three-level sorting pretreating process device structure schematic diagram；
Fig. 3 is A-A views；
Fig. 4 is B-B views.
Mark is described as follows in figure：1-kitchen castoff receives fortune car；2-material-receiving device；3-collecting tank；4-people work point
Optional equipment；5-magnetic separator；6-first-level transport spiral；7-shear crusher；8-two-stage conveying spiral；9-big material point
Select machine；10-three-level conveyor screw；11-level Four conveyor screw；12-sorting pulper；13-impurity case.
Specific embodiment
Below in conjunction with the accompanying drawings with specific embodiment to step explanation of the invention.
Embodiment：Reference picture 1- Fig. 4, kitchen castoff three-level sorting pretreating process, comprises the steps：
（1）Splicing
The kitchen castoff that outward transport is collected directly pours material-receiving device 2 into, conveys work(by the extruding draining of material-receiving device 2 and realizes just
The separation of solid and liquid of step, solid phase is transported to artificial separation equipment 4 up by the auger of material-receiving device 2；Liquid phase is from inflow collecting tank 3
In keep in.The material-receiving device 2 has the functions such as material storing, the anti-ease of foul smell, separation of solid and liquid, material conveying, and separation of solid and liquid can be just
Step in kitchen castoff 50% moisture is separated, be subsequent technique conveying worm carry out material conveying create conditions.
（2）Artificial separation
Have between closed artificial separation for artificial separation, and be configured with sending fresh air, foul smell to collect and deodoration system, create
One convenient working environment.Artificial separation is sorted mainly for two kinds of impurity, and one kind is recoverable impurity, than
Such as pop can, Coke bottle and stainless steel tableware, had both responded national refuse classification and had called, and energy increased portion point economic benefit, also
The impurity that high rigidity, the magnetic separators such as similar stainless steel tableware can as far as possible be avoided cannot be selected again enters into subsequent technique to follow-up work
Skill equipment causes damage；Another kind is exactly recoverable but subsequent process equipment operation not to be easily caused adverse effect and easily wound
Flexible impurity, such as big polybag, disposable plastic table linen and silk scarf, rope etc. of binding steamed crab.
（3）Magnetic separation
Magnetic separation main operational principle is to be sifted out the magnetisable material in kitchen castoff using magneticaction, protects follow-up crushing
Equipment.Magnetic separator 5 is arranged on kitchen castoff belt conveyor top, and when rubbish is by fixed magnet lower section, magnetisable material is just
It is adsorbed on this conveyer belt, and moves with herewith band.When magnetisable material is sent to demagnetizing area, Automatic-falling, so as to
The screening for realizing magnetisable material is reclaimed.The magnetic intensity of magnetic separator 5 is generally 3000-3500 Gausses, 90 % after magnetic separator
Magnetisable material above is sorted out.Material one-level Jing helical feed after magnetic separation is delivered into primary breaker.
（4）Primary breakup
Primary breakup adopts shear crusher 7, and it can only cut off polybag, and polybag can not be ground into the spy of fritter
Point, it is ensured that it has broken bag function, to subsequent mechanical screening installation the sorting material of better quality is provided；Can not be by polybag etc.
Flexible material is crushed and ensures that subsequent mechanical screening installation can try one's best and sorts out these impurity；By shear crusher 7
Effect, can further spread out the kitchen castoff with certain viscosity, and the sorting for subsequent mechanical equipment provides Gao Pin
The sorting material of matter, reaches more excellent separating effect；
Shear crusher 7 can be ground into most of kitchen castoff below fixed dimension, be that subsequently broken pulper will eat
Kitchen discarded object is ground into the slurry of below 10mm particles and mitigates operating load, improves service life；Shear crusher 7 can bear
Cracking pressure it is relative big, for the kitchen castoff that continuously process in a large number daily, stabilization of equipment performance will height, maintenance
Frequency is low, can at utmost ensure the stable operation of whole piece kitchen castoff pretreatment line.By through the material of primary breakup
Jing deuterostrophieses are delivered to big sorting substances machine.
（5）Big sorting substances
The big sorting substances machine 9 of this technique has steam flush heating function, can be big different miscellaneous by polybag, milk box, wet tissue etc.
Matter is sorted out, and is filled to outside by helical feed or is burned；And organic matter thereon can be will be attached at utmost
Flushing get off, entered into sorting pulper by helical feed with remaining lower kitchen castoff of sieve.Big thing will not stayed in
Material Jing three-levels helical feed on matter separator sieve will be left in the impurity Jing tetra- on big sorting substances machine sieve to pulper is sorted
Level helical feed is to outside landfill or burns.
（6）Sorting slurrying
The Main Function of sorting slurrying is that the kitchen castoff for sending conveying worm crushes the slurry for making 10 below mm,
The not breakable impurity of the light materials in kitchen castoff and part is separated simultaneously, the total solid of slurry can also be carried out in addition
The adjustment of body content value, for subsequent treatment process provide can pipeline high-quality slurry.
Kitchen castoff enters solid organic matters wherein big after sorting pulper 12（Food, bone, paper etc.）With it is easy
The heavy substance being broken（Shell, glass, ceramics etc.）It is crushed into 10mm particles below and discharges from equipment bottom filter screen, and
Wherein light materials（Plastics, fiber, bamboo and wood etc.）Not breakable metal impurities are transported to broken slurrying integrated machine for sorting
Tail end is discharged, and enters into impurity case 13.The light materials moisture content such as plastics isolated is low and content of organics is low, and can transport outward is carried out
Landfill or burning disposal.
Sorting pulper 12 porch is provided with water-adding system, the oil of collecting tank 3 can will be entered into splicing course of conveying
Water mixed liquid body is carried out broken process and is washed away in sorting pulper with being pumped into kitchen castoff, and broken is had
Machine matter enters slurry pool and forms slurry under the collective effect that high speed centrifugation extruding and liquid wash away, and the slurry of this kind of formation is organic
Matter loss is little, it is high to possess degree.
For kitchen castoff species is various, that original-source by classification collects the complicated component not in place for doing, moisture content is high and day by day
The big grade for the treatment of capacity requires that the helical feed of this technique is conveyed using shaftless screw, and its principle is helical blade in a closing
Rotate in hopper, make the material of loading hopper because self gravitation and conveying worm casing are acted on the frictional resistance of material,
And do not rotate together with spiral, only travel forward along hopper, realize the conveying of material.
Shaftless screw structure for conveying is simple；Low cost；Because hopper is closed, the pollution to environment can be reduced；Due to
The design of non-stop layer axle is employed, using the integrated steel spiral pushing material with certain flexibility, anti-entangling is strong, makes material not
Easily blocking, discharge gate is not blocked, thus can be compared with low-speed running, and steady transmission, energy consumption is reduced, and conveying capacity is that same diameter is passed
System has 1.5 times of screw conveyor shaft.
The kitchen castoff three-level sorts the advantage of pretreating process：
Artificial separation is added, the call that national refuse classification is recycled both has been responded, and can increased portion lease making Ji effect
Benefit, moreover it is possible to will be very big to subsequent process equipment infringement, what magnetic separation cannot be selected again, high rigidity, it is similar to stainless steel tableware class
Non-magnetic impurity is sorted out.
In addition between artificial separation, material is conveyed using pipeline or closed auger, reduces peculiar smell loss.Between artificial separation
Individually closed isolation, and supporting having send fresh air, foul smell to collect and odor removal, creates a convenient working environment.
Using artificial separation and two-stage mechanical sorting, three-level sorting altogether, sorting is fine, suitable various recyclings and
The demand of harmless treatment.
The steel reinforced concrete pool that material storage is sealed using seal case or Chi Ding, not directly with extraneous exposed contact,
Peculiar smell diverging is reduced, and the foul smell generating source of whole technical process all devices is mounted on foul smell access port, is accessible to
In the deodoration system of user so that whole production environment neat and tidy.
Kitchen castoff process should have the pretreatment of targetedly " artificial separation+broken+two-stage mechanical sorting " feature
Resulting slurry after PROCESS FOR TREATMENT, with removal of impurity it is high, organic matter loss late is little, solid particle is little the characteristics of.
The preferred embodiment of the present invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Need creative work just can make many modifications and variations with design of the invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (6)
1. a kind of kitchen castoff three-level sorts pretreating process, comprises the steps：
（1）Splicing
The kitchen castoff that outward transport is collected pours material-receiving device into, and by the extruding draining conveying of material-receiving device preliminary solid-liquid is realized
Separate, solid phase is transported to artificial separation equipment by the auger of material-receiving device；Liquid phase is temporary in collecting tank from flowing into,
（2）Artificial separation
Have between closed artificial separation, and be configured with sending fresh air, foul smell to collect and deodoration system；For recoverable impurity
Recoverable but artificial separation is not carried out to the flexible impurity that subsequent process equipment operation easily causes adverse effect easily winding,
（3）Magnetic separation
The magnetisable material in kitchen castoff is filtered out using magneticaction, magnetic separator is arranged on kitchen castoff belt conveyor
Top, when rubbish is by fixed magnet lower section, magnetisable material is just adsorbed on this conveyer belt, and is started shipment with herewith band one
It is dynamic；When magnetisable material is sent to demagnetizing area, Automatic-falling is delivered to the material Jing one-level helical feeds after magnetic separation primary broken
Broken machine,
（4）Primary breakup
Using disintegrating machine, kitchen castoff is ground into below fixed dimension.
2. big sorting substances machine will be delivered to through the material Jing deuterostrophieses of primary breakup,
（5）Big sorting substances
The step is sorted out the big different impurity of modeling by the way of steam flush heating, is carried out by helical feed to outside
Landfill is burned；And the organic matter that can be will be attached to thereon at utmost rinses.
3. the material Jing three-levels helical feed not stayed on big sorting substances machine sieve be will be left in into big material point to pulper is sorted
The impurity Jing level Four helical feed on machine sieve is selected to outside landfill or is burned,
（6）Sorting slurrying
Kitchen castoff is crushed the slurry for making 10 below mm, while the light materials in kitchen castoff and part are difficult
Broken impurity is separated, and can carry out the adjustment of slurry total solids content value；Will be left in sorting the impurity on pulper sieve
Impurity case is delivered to, the material on sorting pulper sieve will not stayed in and be delivered to slurry pool.
4. kitchen castoff three-level according to claim 1 sorts pretreating process, it is characterised in that：Described spiral transferring
Send and conveyed using shaftless screw.
5. kitchen castoff three-level according to claim 1 sorts pretreating process, it is characterised in that：Magnetic described in step 3
The magnetic intensity for selecting machine is 3000 ~ 3500 Gausses.
6. kitchen castoff three-level according to claim 1 sorts pretreating process, it is characterised in that：Described in step 4
Disintegrating machine is shearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611249099.4A CN106623367A (en) | 2016-12-29 | 2016-12-29 | Kitchen waste three-grade separation pretreatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611249099.4A CN106623367A (en) | 2016-12-29 | 2016-12-29 | Kitchen waste three-grade separation pretreatment process |
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| CN106623367A true CN106623367A (en) | 2017-05-10 |
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ID=58836027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201611249099.4A Pending CN106623367A (en) | 2016-12-29 | 2016-12-29 | Kitchen waste three-grade separation pretreatment process |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108296261A (en) * | 2018-01-29 | 2018-07-20 | 世本（天津）环境技术有限公司 | A kind of kitchen garbage pretreatment system and technique |
| 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 |
| CN109731890A (en) * | 2019-02-22 | 2019-05-10 | 胡玉 | A kind of kitchen residue feed prepares utilization system |
| CN110076175A (en) * | 2018-07-26 | 2019-08-02 | 王俊利 | Integrated solid waste processing system and its application method |
| CN110369460A (en) * | 2019-08-07 | 2019-10-25 | 徐州国鼎盛和环境科技有限公司 | A kind of remaining meal rubbish treatment plant energy green circulating treating system |
| CN110743894A (en) * | 2019-06-13 | 2020-02-04 | 嘉兴市绿能环保科技有限公司 | Automatic impurity removal and pulping device for kitchen waste grease and treatment process thereof |
| CN111085526A (en) * | 2019-12-31 | 2020-05-01 | 宁波开诚生态技术有限公司 | Method for treating small-scale kitchen waste in cities and towns |
| CN112024105A (en) * | 2020-08-28 | 2020-12-04 | 重庆立洋环保科技发展有限公司 | Pretreatment method of solid inorganic hazardous waste |
| CN114958489A (en) * | 2022-05-20 | 2022-08-30 | 嘉兴市绿能环保科技有限公司 | System and method for efficiently extracting kitchen waste grease in sequential batch manner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205650595U (en) * | 2016-05-04 | 2016-10-19 | 浙江绿洲环保能源有限公司 | Meal kitchen waste disposal equipment |
| CN106238313A (en) * | 2016-09-29 | 2016-12-21 | 嘉兴市绿能环保科技有限公司 | A kind of kitchen castoff big sorting substances machine |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205650595U (en) * | 2016-05-04 | 2016-10-19 | 浙江绿洲环保能源有限公司 | Meal kitchen waste disposal equipment |
| CN106238313A (en) * | 2016-09-29 | 2016-12-21 | 嘉兴市绿能环保科技有限公司 | A kind of kitchen castoff big sorting substances machine |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108296261A (en) * | 2018-01-29 | 2018-07-20 | 世本（天津）环境技术有限公司 | A kind of kitchen garbage pretreatment system and technique |
| 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 |
| CN110076175A (en) * | 2018-07-26 | 2019-08-02 | 王俊利 | Integrated solid waste processing system and its application method |
| CN109731890A (en) * | 2019-02-22 | 2019-05-10 | 胡玉 | A kind of kitchen residue feed prepares utilization system |
| CN110743894A (en) * | 2019-06-13 | 2020-02-04 | 嘉兴市绿能环保科技有限公司 | Automatic impurity removal and pulping device for kitchen waste grease and treatment process thereof |
| CN110369460A (en) * | 2019-08-07 | 2019-10-25 | 徐州国鼎盛和环境科技有限公司 | A kind of remaining meal rubbish treatment plant energy green circulating treating system |
| CN111085526A (en) * | 2019-12-31 | 2020-05-01 | 宁波开诚生态技术有限公司 | Method for treating small-scale kitchen waste in cities and towns |
| CN112024105A (en) * | 2020-08-28 | 2020-12-04 | 重庆立洋环保科技发展有限公司 | Pretreatment method of solid inorganic hazardous waste |
| CN112024105B (en) * | 2020-08-28 | 2022-03-25 | 重庆立洋环保科技发展有限公司 | Pretreatment method of solid inorganic hazardous waste |
| CN114958489A (en) * | 2022-05-20 | 2022-08-30 | 嘉兴市绿能环保科技有限公司 | System and method for efficiently extracting kitchen waste grease in sequential batch manner |
| CN114958489B (en) * | 2022-05-20 | 2023-12-15 | 嘉兴市绿能环保科技有限公司 | System and method for efficiently extracting kitchen waste grease in batches |
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Effective date of registration: 20180605 Address after: 314000 Room 101, Huaxin garden, Xiuzhou District, Jiaxing, Zhejiang, 101 Applicant after: Ao Jianyu Address before: 314000 Haruki, Ren bang, Pan Jia Bang, Xincheng Town, Xiuzhou District, Jiaxing, Zhejiang Applicant before: JIAXING LYUNENG ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY CO., LTD. |
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Application publication date: 20170510 |
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