CN105642648A - System and method for continuously treating kitchen waste - Google Patents
System and method for continuously treating kitchen waste Download PDFInfo
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- CN105642648A CN105642648A CN201510976253.7A CN201510976253A CN105642648A CN 105642648 A CN105642648 A CN 105642648A CN 201510976253 A CN201510976253 A CN 201510976253A CN 105642648 A CN105642648 A CN 105642648A
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- kitchen castoff
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- anaerobic fermentation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
Abstract
The invention discloses a system and a method for continuously treating kitchen waste. The resourceful treatment system consists of a pretreatment system, a three-phase separating system, a thermal conditioning system, a feed and/or fertilizer system, an anaerobic fermentation tank and a polyhydric alcohol system. According to the system and the method, the kitchen waste is firstly thermally cracked, and then three-phase separation is carried out to obtain an oil phase, solid matter and a water phase; the solid matter is used for generating feed or a fertilizer; the water phase is used for generating biogas; and the oil phase is used for producing polyhydric alcohol. Phase separation and resource utilization of the kitchen waste are realized while efficient capacity characteristic of the kitchen waste is promoted; and unstable anaerobic digestion, a low gas generation rate and the food safety problem are solved, so that efficient resource utilization based on phase separation of the kitchen waste is realized.
Description
Technical field
The application belongs to the kitchen castoff processing technology field of environment protection and field of food safety.
Background technology
Kitchen castoff refers to hotel, the swill that restaurant, restaurant and office, army, universities and colleges, enterprises and institutions produce in the process such as food-processing, dining. Its principal feature is: regional significant difference; Nutritious, the nutrient composition content height such as protein, fat, Mierocrystalline cellulose; High-moisture percentage (70%��87%), high fat content (2%��3%). Dispose and require: under ensureing sterilization effect and avoiding the prerequisite of exogenous pollution as far as possible, its resource of recycling as much as possible, comprises nutritive ingredient wherein and lipid. Meal kitchen waste oil, refers to that restaurant, hotel, enterprises and institutions dining room etc. are in business process or the waste animal and vegetable oil that produces in dietary consumption process of resident. Comprise swill oil, sewer oil and frying waste oil. The feature such as high-moisture percentage and high fat content causes kitchen castoff to be difficult to by filling and the process of the usual manner such as burning. The main process technology of the kitchen castoff that regular channel reclaims: feedization utilizes (more than 80%), Fertilizer Transformed utilizes and biogas energy utilizes. Current China kitchen castoff generation is relatively big, about 3,600 ten thousand tons/year; But processing rate is lower, only 10%.
Kitchen castoff organic content height, nutritive element is comprehensive, and C/N is lower, is the good nutrition material of microorganism, is applicable to make composting material. But the very big degree of its high salinity, high oil content limits the propagation and employment that Fertilizer Transformed utilizes technology. Even if applying fertilizer in right amount, reducing high salinity influence factor, also because the technology content of Fertilizer Transformed Land use systems is less, market added value is lower, it is difficult to obtain market economy benefit. When adopting feed to utilize technology, due to kitchen castoff wide material sources, complicated component, it is directly used in feeding animals and there is a lot of potential safety hazard, as: biological homology, germ, heavy metal, toxic organic compound etc. For avoiding homology problems mandate product only for the production of the feedstuff raw material of Nonruminantia animal (such as pet etc.), and " People's Republic of China's herding method " prohibit kitchen castoff directly as animal-feed. In addition, it is desirable to source of generation and receipts fortune process contamination-free are introduced, process for reclaiming is perfect, reliable, thus avoids the problems such as germ, heavy metal, toxic organic compound. Kitchen castoff organic content height, water ratio height, biodegradability can be good, it is possible to adopts Anaerobic Digestion thus effectively promotes organic matter decrement, forms clean energy, can avoid feed and Fertilizer Transformed problem simultaneously. But the problems such as producing methane through anaerobic fermentation still faces low C/N ratio, start time, the residence time is long, organic loading is low, high ammonia nitrogen, biogas residue and biogas liquid lack effective process method of disposal at present, methane in sewage gas ratio is low, usually adopt pretreatment process, control ammonia nitrogen concentration, add composite fungus agent etc. and alleviate this problem. In addition, the regular resource Land use systems of meal kitchen waste oil mainly generates biofuel at present, but market is low to biofuel and byproduct acceptance level thereof, and only for boats and ships, boiler, and the manufacturing cost of biofuel is higher, and profit is lower. Produce biological multielement alcohol then alternative petroleum-based polyols produce urethane, solve meal kitchen waste oil " three change " problem, and biopolyol environmental benefit, high financial profit, thus solve the food-safety problem that " sewer oil " etc. causes.
Reflux dining table problem for effectively solving " sewer oil ", conscientiously ensure food safety and body health of people, the General Office of the State Council has issued " about strengthening sewer oil regulation and the suggestion of kitchen castoff management " (Office of the State Council sends out (2010) No. 36), carries out food safety rectification work in a deep going way. In addition, " about organizing urban kitchen waste recycling and the notice of harmless treatment pilot work " requires to promote kitchen castoff recycling and harmless treatment in (sending out and change No. [2010] 1020, ring money), and in this, as solving the basic behave of the food-safety problem such as " sewer oil ", " rubbish pig ", the recycling of overall planning grease, solid substance and liquid and harmless treatment system.
Summary of the invention
In order to overcome the above-mentioned deficiency of prior art, the present invention is by providing a kind of method of kitchen castoff high-efficiency resource recycling, making kitchen castoff comprehensive treating process once complete waste oil deep processing on tinuous production is that high value added product (biological multielement alcohol), efficient liquid anaerobic methane production gas, kitchen castoff solid substance produce high-efficiency sustained-release fertilizer/feed, the high-quality being possible not only to realize natural resources and energy resources in kitchen castoff reclaims, and can effectively control in kitchen castoff treating processes again the secondary pollution brought.
In one embodiment, it is provided that the system of a kind of continuous process kitchen castoff, comprising:
Hot modifying device, described hot modifying device is for heat-treating kitchen castoff;
Phase-separation system, described phase-separation system is for being separated the material after thermal treatment; With
After-treatment system, described after-treatment system is for being separately converted to recycling product by the product that is separated obtained.
Preferably, described hot modifying device is the hot modifying device of closed, the hot modifying device of the closed of the present invention comprise tank body and its on lid body, lid body can adopt with tank body nut be connected realize airtight. Airtight effect is mainly following 3 points: be 1. incubated, energy efficient; 2. can realize foul smell to collect to carry out follow-up deodorizing; 3. safety, prevents junk from entering tank body.
In one embodiment, the system of described continuous process kitchen castoff comprises pretreatment system further, described pretreatment system is used for kitchen castoff sorting and fragmentation, being heat-treated by material transportation after fragmentation to described hot modifying device, the diameter of the material after described fragmentation is 5��10mm again.
In one embodiment, the system of described continuous process kitchen castoff comprises middle material pond further, and in the middle of described, material pond is for depositing the material after thermal treatment, the material transportation after described thermal treatment to described phase-separation system to be separated.
In one embodiment, described thermal treatment carries out at the temperature of 90��120 DEG C and 0.07��0.50Mpa, and carries out 40��70 minutes.
In one embodiment, described phase-separation system comprises three-phase separating system and centrifugal separation system, described phase-separation system comprises centrifugal separation system and three-phase separating system, centrifugal separation system is adopted when described kitchen castoff is sewer oil, described centrifugal separation system is for being separated the material after thermal treatment, thus obtains oil phase and aqueous phase respectively; Adopt three-phase separating system when described kitchen castoff is the kitchen castoff except sewer oil, described three-phase separating system is for being separated the material after thermal treatment, thus obtains oil phase, solid substance and aqueous phase respectively.
Preferably, the treatment capacity per hour of described phase-separation system is maximum reaches 7��10 cubes. When described phase-separation system is centrifugal separation system, the rotating speed of described centrifugal separation system is 2000��4000r/min, and when described phase-separation system is three-phase separating system, the rotating speed of the rotary drum of described three-phase separating system is 2000��4000r/min. Described three-phase separating system adopts horizontal screw unloading whizzer, and rotary drum and rotary drum primarily of high rotating speed turn to the parts compositions such as identical and rotating ratio rotary drum is slightly high or lower slightly spiral. When the material after heat is modified needs to carry out three phase separation, after entering centrifuge drum, the rotary drum of high speed rotating can produce powerful centrifugal force and the solid phase particles bigger than density of liquid phase is deposited to drum inner wall, owing to spiral is different with the rotating speed of rotary drum, the two has relative movement (namely rotating speed is poor), utilize the relative movement of spiral and rotary drum that the solid phase being deposited on drum inner wall is pushed to end exit, then carried by screw input feeder. In one embodiment, described after-treatment system comprises anaerobic fermentation system, feed and/or Fertilizer Transformed production system and biological multielement alcohol production system, wherein said anaerobic fermentation system be used for by described aqueous phase reforming be biogas, described feed and/or Fertilizer Transformed production system are for being converted into feed/fertilizer by described solid substance, and it is biological polyvalent alcohol that described biological multielement alcohol production system is used for oil phase inverts.
In one embodiment, described anaerobic fermentation system comprises intermediate temperature anaerobic fermentation tank, high-temperature anaerobic fermentation tank, collecting methane and the purification device and natural pond slag and natural pond liquid drainage device that are connected successively, described intermediate temperature anaerobic fermentation tank and described high-temperature anaerobic fermentation tank be sealing and and oxygen-barrier, the temperature range of described intermediate temperature anaerobic fermentation tank is 35-38 DEG C, and the temperature of described high-temperature anaerobic fermentation tank is 53-54 DEG C.
In one embodiment, described feed and/or Fertilizer Transformed production system comprise the first thermal source and the feed generation system and/or the 2nd thermal source being connected successively and fertilizer generation system that are connected successively; The temperature of described first thermal source is 95-120 DEG C or 60-80 DEG C; The temperature of described 2nd thermal source is 35-60 DEG C.
Described feed generation system comprises dry type feed generation system and biological protein feedstuff generation system, described solid substance is carried out direct heating or indirect heating by described first thermal source, the temperature of described heating is different, dry type feed heat source temperature is 95-120 DEG C, and the time of heating is not less than 2 hours to realize material and falls and low-moisture complete killing of harmful bacteria simultaneously, and reservation nutritive ingredient, the Heating temperature of biological protein feedstuff is 60-80 DEG C, also needs interpolation auxiliary material and microbial strains to ferment in the process of heating. Described fertilizer generation system refers to that the residue of material after one time fermentation and Secondary Fermentation can be used as biological organic fertilizer raw material, and the temperature of described 2nd thermal source is 35-60 DEG C.
In one embodiment, described biological multielement alcohol production system realizes the production of biological multielement alcohol by epoxidation-hydroxyl method.
The process flow system of described epoxidation-hydroxyl method comprises be connected successively as follows: epoxidation plants, oil-water separation system, tempering system, dewatering system, hydroxylation device and polyvalent alcohol contract device, described tempering system comprises neutralization reaction and the washing operation of material after oily water separation. When adopting epoxidation and hydroxylation technique, epoxidation stage operating mode parameter area: temperature of reaction: 35-70 DEG C, time: 6-10h; The hydroxylation stage: temperature of reaction: 120-180 DEG C, reaction times: 4-6h.
In one embodiment, it is provided that a kind of method of continuous process kitchen castoff, comprising:
Step is 1.: kitchen castoff can be carried out selection of land sorting and fragmentation through pretreatment system, wherein the object of sorting is the foreign material sorting out and being unfavorable for subsequent disposal, such as glass, metal, plastics etc., carry out classification after utilizing the water washing that manufacture process produces after sub-electing to reclaim, adopt wet type hammer leaf crusher that the raw material after sorting magazine is carried out pulverization process, material diameter about 5��10mm after broken;
Step is 2.: heat-treated through overheated modifying device by the material after fragmentation;
Step is 3.: is separated through phase-separation system by the material after thermal treatment, thus obtains the product that is separated respectively;
Step is 4.: through after-treatment system, the product that is separated obtained is separately converted to recycling product.
Material after pulverizing is pumped into hot modifying device through helical feed. the main purpose of this device is boiling material under the operating mode by High Temperature High Pressure, realize the thorough sterilizing of kitchen castoff and larger molecular organics such as carbohydrate, protein etc. are hydrolyzed to low molecule organic matter, grease also can obtain efficient stripping simultaneously, in addition material engineering characteristic is such as viscosity, particle diameter is also further improved, alleviate and solve the grease suppression problem of follow-up kitchen castoff anaerobic methane production gas process and be hydrolyzed speed limit problem, and the problem such as the feed quality caused because of the problem of becoming sour due to unsaturated fatty acids is low, the conveying being conducive to material follow-up and maximum degree recycling.
Material after heat is modified is delivered to butterfly three-phase separating system after the material pond transfer of centre, obtains oil phase, solid substance and aqueous phase respectively. Wherein in oil phase grease by may be used for after refining chemical feedstocks production or purify after produce biological multielement alcohol, solid substance may be used for production High-quality fertilizer raw material or feedstuff raw material, aqueous phase then enters anaerobic fermentation system to carry out producing biogas, it is achieved high-level efficiency, high-quality resource utilization and minimizing.
Considering from energy consumption and subsequent product characteristic angle, concrete operating mode parameter is given and following suggestion:
(1) hot tempering system: said hot modifier treatment system should bear the pressure of 0.07-0.50Mpa; Hot refining temperature is 90-120 DEG C; The heat modified time is 40-70min;
(2) three-phase separating system: can effective implemention oil, water, solid three-phase sharp separation, it is ensured that within 24 hours, running continuously, rotating speed can realize 3000r/min;
(3) anaerobic fermentation system: said anaerobic fermentation system can adopt homogenous anaerobic or diphasic anaerobic; Middle temperature and thermophilic digestion; Operation process can be continuously stirring formula (CSTR), upflow sludge blanket-strainer (UBF) etc.; The modes such as Digestive system backflow;
(4) feed production system: kitchen castoff solid substance (solid phase) reduces material water ratio through thermal source direct heating or indirect heating drying, it is possible to realizes killing of harmful bacteria, and does not destroy material Middle nutrition constituent structure. Other parameters must meet " kitchen castoff feed or Fertilizer Transformed process technical regulation ".
(5) biological multielement alcohol production system: it is utilize sewer oil and contain double bond and the carboxylic group of unsaturated fatty acids in the waste oil of extraction from kitchen castoff that meal kitchen waste oil generates polyol process, by being converted into polyvalent alcohol after the reactions such as hydrolysis, transesterify, epoxidation+hydroxylation under suitable process conditions. During as adopted epoxidation and hydroxylation technique, epoxidation stage operating mode parameter area: temperature of reaction: 35-70 DEG C, time: 6-10h; The hydroxylation stage: temperature of reaction: 120-180 DEG C, reaction times: 4-6h.
The present invention compared with prior art has the following advantages:
(1) modified acidication rate-limiting step and the grease suppression problem effectively alleviating follow-up anaerobically fermenting of heat, thus ensure that stable, the Effec-tive Function of anaerobic reaction device;
(2) heat modified after aqueous phase highly effective methane-producing, solid substance for the production of fertilizer/feed, thick grease for the production of biological multielement alcohol, kitchen castoff " phase-splitting " decrement treatment also " point quality " high-efficiency resource recycling can be realized, improve waste utilization efficiency, it is achieved Each can do his best according to his abilities;
(3) solid substance is for the production of fertilizer, improve quality and the fertilizer efficiency of fertilizer, economic benefit is relatively high, and the biogas residue and biogas liquid that aqueous phase product biogas produces is for the production of two grades of fertilizer, natural pond slag, natural pond liquid high-efficiency resource recycling technology not only solve subsequent disposal difficulty problem, also save extra disposal costs;
(4) can effectively prevent " sewer oil " to reflux dining table by adopting waste grease to produce high value added product biological multielement alcohol technology, ensure food safety, solve waste oil security and resource utilization problem from technological layer.
Accompanying drawing explanation
Fig. 1 is the system flowchart of the continuous process kitchen castoff of the present invention.
Embodiment
The kitchen castoff that the present invention mentions comprises collects separately waste oil (such as sewer oil, hogwash fat) and the kitchen castoff except collecting waste oil separately, and described independent collection waste oil obtains oil phase and aqueous phase after centrifugation. Described kitchen castoff except collecting waste oil separately obtains oil phase, solid substance and aqueous phase after three phase separation.
The main equipment of kitchen castoff pretreatment system is made up of feeding warehouse, lift, separator, crusher, storage tank etc. After the meal kitchen of collection is transported to the discharging platform for the treatment of plant by the special collecting cart of kitchen castoff, rear sealing cover is opened, and kitchen castoff is dumped into discharge bin to enter kitchen castoff automatic production line, comprises screening and fragmentation.
Hot modifier treatment system comprises the withstand voltage digester of closed, steam heater, operating mode parameter (temperature, pressure, time etc.) on-line monitoring device etc. The function of three aspects below the modified main realization of heat: 1) effectively kill pathogenic bacteria, remove peculiar smell; 2) hydrolysis of organic matter of macromole in rubbish is made to be the small organic molecule being easy to be digested and assimilated by animal; 3) change the physical chemistry form of grease in kitchen castoff and the combination with other composition, optimize grease interfacial characteristics, promote that kitchen castoff solid phase internal grease efficiently leaches, liquefies, floats, improve waste oil stalling characteristic in kitchen castoff.
In the middle of described, material pond uses usually used as surge tank, because heat treated material is a point tank boiling, discharge is carried out again after reaching heat treatment requirements, such as, heat-treat condition is carry out 40min under 120 DEG C and 1Mpa, and so material seal after dropping into the hot modifying device of closed and starts to heat, and treats that in device, temperature of charge rises to 120 DEG C, stopping heating after timing 40min, beginning discharge waits to middle material pond and being separated.
Kitchen castoff after heat is modified is through three-phase separating system, and main realization is solid, the separation of water, oil three-phase. If the solid substance after separation carries out anaerobic digestion, to there is nutritional utilization degree not high, and charging physical property is unstable, and the problems such as easy blocking pipe, are not suitable for promoting the use of. But the biologically active substance containing relative abundance in kitchen castoff solid substance, especially through de-oiling except the solid substance after salt, the fertilizer efficiency which obviating the direct composting of kitchen castoff is low, the inferior positions such as time length of becoming thoroughly decomposed, can be used for preparing ecological delaying and release full nutrition fertilizer, for gardening dedicated fertilizer.
Three-phase separating system is primarily of differential mechanism, and spiral, the part such as rotary drum, case, support, oiling system, motor forms. Its principle of work is: suspension enters rotary drum through feed-pipe, spiral discharging mouth. Under the centrifugal action that high speed rotating produces, the solid phase particles that proportion is bigger is deposited on drum inner wall, the solid phase particles being deposited on drum inner wall is constantly scraped and releases slag-drip opening by the screw-blade doing relative movement with rotary drum, the liquid phase of different specific weight can form twice pendular ring in rotary drum, flows out through two of big end cap different outlets.
Wastewater anaerobic digestive technique comprises anaerobic fermentation tank body, collecting methane and purification device, natural pond slag and natural pond liquid guide and other resource utilization devices (such as by natural pond liquid for the production of liquid organic fertilizer, or other Land use systems), the operating mode parameter devices etc. such as online temperature control, pH. The kitchen waste water COD isolated on average can reach more than 50000mg/L, adopts anaerobic ferment process, obtains the biogas energy that economic worth is higher. Gained biogas leads to into gas fired-boiler replacement part Sweet natural gas through pipeline.
Biological multielement alcohol system comprises the pre-treatment of thick grease, oily water separation and biological multielement alcohol and prepares three parts. Wherein, the stock oil of biological multielement alcohol generation system is three phase separation meal kitchen waste oil out and sewer oil mainly, is realized by refinery practices such as esterification, exchange, oxidation, hydroxylations.
Embodiment 1
A kind of kitchen castoff phase-splitting high-efficiency resource recycling method, carry out according to the following steps: after kitchen castoff pours into discharging hole after special-purpose vehicle is collected, after sorting and fragmentation, it is delivered to hot modified room by screw transporter heated by the material in tank body, open whipping appts, accelerate heat exchange rate, the modified temperature of heat is 120 DEG C, and the time is 30min; The heat that carries out 1t kitchen castoff enters three-phase separating system (the highest rotating speed 3000r/min, motor power is 30-45kW) and carries out the operation that is separated after cracking, obtain 0.09t oil phase, 0.65t solid substance and 0.26t aqueous phase; It is 10% dry type feed that solid substance convection drying 120min under 105 DEG C of thermals source can obtain 0.26t water ratio; It is 75mL biogas/mL liquid that aqueous phase enters the cumulative gas production of single-phase continuous-stirring reactor (CSTR) intermediate temperature anaerobic fermentation tank (37 �� 1 DEG C) production biogas; Oil phase carries out epoxidation-hydroxyl method alcoholization process and obtains 0.04��0.06t polyvalent alcohol.
Embodiment 2
A kind of kitchen castoff phase-splitting high-efficiency resource recycling method, carry out according to the following steps: after kitchen castoff pours into discharging hole after special-purpose vehicle is collected, after sorting and fragmentation, it is delivered to hot modified room by screw transporter heated by the material in tank body, open whipping appts, accelerate heat exchange rate, the modified temperature of heat is 90 DEG C, and the time is 50min; The heat that carries out 1t kitchen castoff enters three-phase separating system (the highest rotating speed 3000r/min, motor power is 30-45kW) and carries out the operation that is separated after cracking, obtain 0.10t oil phase, 0.70t solid substance and 0.20t aqueous phase; It is 10% dry type feed that solid substance convection drying 120min under 105 DEG C of thermals source can obtain 0.28t water ratio; It is 50mL biogas/mL liquid that aqueous phase enters the cumulative gas production of single-phase continuous-stirring reactor (CSTR) intermediate temperature anaerobic fermentation tank (37 �� 1 DEG C) production biogas; Oil phase carries out epoxidation-hydroxyl method alcoholization process and obtains 0.45��0.65t polyvalent alcohol.
Claims (10)
1. one kind processes the system of kitchen castoff continuously, it is characterised in that, comprising:
Hot modifying device, described hot modifying device is for heat-treating kitchen castoff;
Phase-separation system, described phase-separation system is for being separated the material after thermal treatment; With
After-treatment system, described after-treatment system is for being separately converted to recycling product by the product that is separated obtained.
2. the system of continuous process kitchen castoff according to claim 1, it is characterized in that, the system of described continuous process kitchen castoff comprises pretreatment system further, described pretreatment system is used for kitchen castoff sorting and fragmentation, being heat-treated by material transportation after fragmentation to described hot modifying device, the diameter of the material after described fragmentation is 5��10mm again.
3. the system of continuous process kitchen castoff according to claim 1, it is characterized in that, the system of described continuous process kitchen castoff comprises middle material pond further, in the middle of described, material pond is for depositing the material after thermal treatment, the material transportation after described thermal treatment to described phase-separation system to be separated.
4. the system of continuous process kitchen castoff according to claim 1, it is characterised in that, described thermal treatment carries out at the temperature of 90��120 DEG C and 0.07��0.50Mpa, and carries out 40��70 minutes.
5. the system of continuous process kitchen castoff according to claim 1, it is characterized in that, described phase-separation system comprises centrifugal separation system and three-phase separating system, centrifugal separation system is adopted when described kitchen castoff is sewer oil, described centrifugal separation system is for being separated the material after thermal treatment, thus obtains oil phase and aqueous phase respectively; Adopt three-phase separating system when described kitchen castoff is the kitchen castoff except sewer oil, described three-phase separating system is for being separated the material after thermal treatment, thus obtains oil phase, solid substance and aqueous phase respectively.
6. the system of continuous process kitchen castoff according to claim 5, it is characterized in that, described after-treatment system comprises anaerobic fermentation system, feed and/or Fertilizer Transformed production system and biological multielement alcohol production system, wherein said anaerobic fermentation system be used for by described aqueous phase reforming be biogas, described feed and/or Fertilizer Transformed production system are for being converted into feed/fertilizer by described solid substance, and it is biological polyvalent alcohol that described biological multielement alcohol production system is used for oil phase inverts.
7. the system of continuous process kitchen castoff according to claim 6, it is characterized in that, described anaerobic fermentation system comprises intermediate temperature anaerobic fermentation tank, high-temperature anaerobic fermentation tank, collecting methane and the purification device and natural pond slag and natural pond liquid drainage device that are connected successively, described intermediate temperature anaerobic fermentation tank and described high-temperature anaerobic fermentation tank be sealing and and oxygen-barrier, the temperature range of described intermediate temperature anaerobic fermentation tank is 35-38 DEG C, and the temperature of described high-temperature anaerobic fermentation tank is 53-54 DEG C.
8. the system of continuous process kitchen castoff according to claim 6, it is characterized in that, described feed and/or Fertilizer Transformed production system comprise the first thermal source and the feed generation system and/or the 2nd thermal source being connected successively and fertilizer generation system that are connected successively; The temperature of described first thermal source is 95-120 DEG C or 60-80 DEG C; The temperature of described 2nd thermal source is 35-60 DEG C.
9. the system of continuous process kitchen castoff according to claim 6, it is characterised in that, the production being realized biological multielement alcohol by epoxidation-hydroxyl method produced by described biological multielement alcohol.
10. one kind processes the method for kitchen castoff continuously, it is characterised in that, comprising:
Step is 1.: kitchen castoff can be carried out selection of land sorting and fragmentation through pretreatment system;
Step is 2.: heat-treated through overheated modifying device by the material after fragmentation;
Step is 3.: is separated through phase-separation system by the material after thermal treatment, thus obtains the product that is separated respectively;
Step is 4.: through after-treatment system, the product that is separated obtained is separately converted to recycling product.
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| CN106391654A (en) * | 2016-09-20 | 2017-02-15 | 安德里茨（中国）有限公司 | Integrated garbage treatment system and method |
| CN106673291A (en) * | 2016-12-29 | 2017-05-17 | 嘉兴市绿能环保科技有限公司 | Continuous scale centralized treatment process for waste oil of kitchen |
| CN106903128A (en) * | 2017-02-28 | 2017-06-30 | 四川六叶草环保科技有限公司 | House refuse and the multigroup multistage fermentation disposing technique of kitchen garbage |
| CN106966767A (en) * | 2017-03-30 | 2017-07-21 | 张共敏 | Kitchen garbage energy, Fertilizer Transformed and fodder fusion treatment technique |
| CN107497818A (en) * | 2016-06-14 | 2017-12-22 | 许明东 | The Application way of the perishable rubbish sewer pipe blowdown resource of town and country kitchen environmental sanitation |
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| CN108856255A (en) * | 2018-07-02 | 2018-11-23 | 浙江华庆元生物科技有限公司 | A kind of kitchen garbage treatment process |
| 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 |
| 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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