CN1137345C - Method and equipment for treating food garbage - Google Patents
Method and equipment for treating food garbage Download PDFInfo
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- CN1137345C CN1137345C CNB001233459A CN00123345A CN1137345C CN 1137345 C CN1137345 C CN 1137345C CN B001233459 A CNB001233459 A CN B001233459A CN 00123345 A CN00123345 A CN 00123345A CN 1137345 C CN1137345 C CN 1137345C
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- food garbage
- heating kettle
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- pyrolysis
- dehydration
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Abstract
The present invention relates to a method and an apparatus for treating food garbage (food leftovers), which is characterized in that clean livestock and poultry feed is finally obtained via a set of treating process of dewatering via pyrolysis, dewatering and defatting via extrusion, grinding, sterilizing under high temperature and high pressure, and drying the food garbage. The treating apparatus is composed of a material flowing type pyrolyzing apparatus, an extruding apparatus and a smelting apparatus. The method has the advantages that the pollution of food garbage to environment is effectively reduced; meanwhile, the waste is changed into livestock and poultry feed with economic value. The present invention has the advantages of simple and feasible methods, simple structure and easy manufacture of the treating apparatus, and no secondary pollution of the treating process.
Description
Technical field:
The invention belongs to the food garbage treatment technology, be specifically related to a kind of processing method and device thereof at the food and drink leftover.
Background technology:
At present, to the leftover in restaurant, cities and towns, hotel and kitchen offal neither one processing method preferably, be arbitrarily to outwell as food garbage one, serious environment pollution; Other is that major part is directly used in the nursing livestock and poultry, because this food garbage is without any processing, wherein contain harmful elements such as a large amount of virus, vaccine, by animal edible after, then make it become carrier, as rubbish pig or the swill pig that once occurred on the market, behind the edible more this meat of people, very easily again vaccine is infected to human body, cause circulation to infect.Therefore, carry out feasible processing, then become a technical task of needing solution badly for a large amount of food garbages.
Summary of the invention:
The objective of the invention is to provide a kind of at food garbage (leftover, kitchen offal etc.) processing method and be used for the treating apparatus of this method, both eliminated the pollution of food garbage, simultaneously food garbage had been changed into clean high protein animal and fowl fodder again environment.
Processing method principle of the present invention is based on the oil in the food garbages such as leftover, kitchen offal, water is most of breaks away from, and solids is all changed the harmless clean feed of regeneration.Oil after the disengaging, water can adopt prior art to carry out harmless processing, are not included within the problem of the present invention.
Food garbage processing method of the present invention may further comprise the steps:
(1) pyrolysis: food garbage (hereinafter to be referred as material) carries out preliminary hydro-extraction, changes fat, 40-70 ℃ of drop temperature (material outlet temperature) by pyrolysis installation.
This step purpose is to make the animal tallow and other grease that freeze, solidify dissolve dilution, realizes the material preliminary hydro-extraction.
(2) extrusion dehydration: the material after the pyrolysis is by pressurizing unit extrusion dehydration, degreasing, and back material moisture≤50% dewaters.
(3) pulverize, sterilization: the material behind the extrusion dehydration is pulverized in airtight reducing mechanism, and charges into the high temperature and high pressure steam sterilization simultaneously, and temperature is that 125-145 ℃, pressure are 2.5-4.5MPa, retention time 20-40 minute.
(4) drying: close sterilization steam, combustion gas, material is dry in reducing mechanism, temperature 115-145 ℃, time 120-180 minute.
Be clean Powdered animal and fowl fodder through above-mentioned processing afterproduct.
Both reduced the pollution of food garbage to environment effectively by above-mentioned processing method, and simultaneously refuse had been transformed into the animal and fowl fodder of economically valuable again, this method is simple and feasible, is specially adapted to handle food garbages such as leftover, garbage, kitchen offal.
For realizing the suitability for industrialized production of said method, the present invention has designed the food garbage treating apparatus that is exclusively used in said method.
The technical scheme for the treatment of apparatus of the present invention is: it comprises the castoff of food and drink material under the continuous-flow state, carry out preliminary hydro-extraction pyrolysis installation, with the material after the pyrolysis under continuous state, carry out pressurizing unit that dewatering and defatting handles, the material behind the extrusion dehydration is concentrated pulverize, high-temperature sterilization and the dry reducing mechanism of handling.
Advantage of the present invention is: simple, the manufacturing easily of equipment, and the material after handling is recycling, to the environment non-secondary pollution.
Description of drawings:
Fig. 1 is that the food garbage treating apparatus is formed schematic diagram.
Fig. 2 is the pyrolysis installation structural representation.
Fig. 3 is that B shown in Fig. 2 is to schematic diagram.
Fig. 4 is the pressurizing unit structural representation.
Fig. 5 is A shown in Fig. 4---the A cutaway view.
Fig. 6 is the reducing mechanism structural representation.
Below in conjunction with embodiment and accompanying drawing thereof treating apparatus of the present invention is described in detail:
With reference to Fig. 1, this treating apparatus is made up of pyrolysis installation 01, pressurizing unit 02, reducing mechanism 03.
With reference to Fig. 2, Fig. 3, pyrolysis installation is made up of heating kettle, feeding port 5, feed opening 10, material propeller, heating kettle is the garden tubular of forward and backward closed at both ends, stack shell 4 front ends top is provided with feed opening 10 below feeding port 5, rear end are set, the belly both sides are provided with discharge outlet 14, the stack shell crust is provided with zone of heating 12, and zone of heating 12 is provided with air admission hole 13 and steam vent 15; The material propeller is made up of motor 1, decelerator 2, main shaft 7, bearing block 8, sealing ring 3, screw propulsion plate 6, and screw propulsion plate 6 is fixed on the main shaft 7 and by the bearing block 8 that is fixed on stack shell 4 rear and front ends and is installed in the heating kettle.
With reference to Fig. 4, Fig. 5, pressurizing unit 02 is made up of drive end bearing bracket 27, rear end cap 24, fuselage cover 19, outer dehydration tube 21, interior dehydration tube 23, charging aperture 20, discharging opening 25, discharge outlet 26, squeezer, fuselage cover 19, outer dehydration tube 21, interior dehydration tube 23 are fixed on the forward and backward end cap 27,24 successively, charging aperture 20 places fuselage cover 19 front ends top, discharging opening 25 places below, fuselage cover 19 rear ends, and discharge outlet 26 places below, fuselage cover 19 middle parts; Squeezer by motor 16, decelerator 17, diminished shaft 18 and on screw extrusion plate 22, bearing block 28 form, diminished shaft 18 and on screw extrusion plate 22 by be fixed on bearing block 28 on the forward and backward end cap 27,24 be installed in 23 li of dehydration tubes, inside and outside dehydration tube 23,21 is furnished with dewatering hole.
With reference to Fig. 6, reducing mechanism 03 is made up of sandwich-type heating kettle, feeding mouth 34, discharging opening 43, rabbling mechanism, waste vapour treating apparatus, feeding mouth 34 and discharging opening 43 are separately positioned on the top and the bottom of heating kettle, and the heating kettle top also is provided with inner chamber steam inlet 36, chamber pressure table 39, inner chamber safety valve 47, inner chamber thermometer 48, inlet of cold air 38 that is communicated with inner chamber 41 and jacket steam import 33, interlayer safety valve 37, the interlayer Pressure gauge 40 that is communicated with hollow sandwich 32; Rabbling mechanism is made up of motor 29, decelerator 30, sealing gasket 31, shaft 42, stirring shovel 45, bearing block 46, and rabbling mechanism is installed in the heating kettle by the bearing block 46 that is fixed on sandwich-type heating kettle two ends, and 44 for seeing the material window.The waste vapour treating apparatus is communicated with the feeding mouth 34 of heating kettle by exhaust pipe 35.The waste vapour treating apparatus can adopt commercially available Asta-3746 52, cooling tower 53, air-introduced machine 54, water pump 50, hydrotreater 49 and water tank 51 to form.
The course of work of handling food and drink leftover and kitchen offal with this device is described as follows:
After material is ready, close the steam exhaust hole 15 of pyrolysis installation, starter motor 1 when opening admission opening 13 and making zone of heating 12 be warming up to operating temperature, the material propeller begins to rotate, and continuously material is dropped in the heating kettle from feeding port 5 simultaneously, stirs and advances and through heating through screw propulsion plate 6, material moisture content is deviate from, discharge from discharge outlet 14, material is discharged from feed opening 10, discharges material and sends into pressurizing unit thereupon; Start extruding motor 16, extrude from discharging opening 25 through 22 extruding of screw extrusion plate from the material that charging aperture 20 enters, and institute's water content, grease are extruded and discharged by discharge outlet 26 through the dewatering hole of interior dehydration tube 23, outer dehydration tube 21 in extrusion process in the material.Close reducing mechanism discharging opening 43 and exhaust pipe 35 valves, the material behind an amount of extrusion dehydration of packing into is closed feeding mouth 34, opens jacket steam import 33 and feeds heating steam to interlayer, open inner chamber vapor inlet 36 and fill vapour to inner chamber, after treating that the inner chamber cold air is discharged, close cool air inlet 38, starter motor 29, inner chamber charges into high temperature and high pressure steam, reach temperature that technology requires, pressure, material is pulverized and sterilized, finish by the technological requirement time.Close inner chamber steam inlet 36, open waste steam exhausting pipe 35 valves, the waste vapour in the inner chamber 41 enters the waste vapour treating apparatus through Asta-3746 52 and handles only.After the waste vapour emptying, open cool air inlet 38, make cold air enter inner chamber 41, material carries out under the normal pressure dry.Behind dry the end, can open discharging opening 43, the forward and backward rabbling mechanism makes material discharge from discharging opening 43.
It may be noted that for those skilled in the art, can utilize this device, auxilliaryly again add certain transfer equipment, Weighing device can be realized the automation of high levels.
Below be the embodiment of this processing method.
Embodiment 1:
Food garbage is handled by following condition:
Pyrolysis: drop temperature 60-70 ℃, in the continous way pyrolysis installation, carry out preliminary hydro-extraction.
Extrusion dehydration: in the continous way pressurizing unit, carry out dehydration back material moisture 42%.
Pulverize, sterilization: temperature 125-140 ℃, pressure 3.2-4.5MPa, 40 minutes retention times.
Dry: temperature 130-145 ℃, 180 minutes time.
Result: the Powdered feed of acquisition, the finished product water content is 8.5% after testing, meets the animal feed quality requirement.
Embodiment 2:
Food garbage is handled by following condition:
Pyrolysis: drop temperature 40-50 ℃, in the continous way pyrolysis installation, carry out preliminary hydro-extraction.
Extrusion dehydration: extrusion dehydration in the continous way pressurizing unit, dehydration back material moisture is 47%.
Pulverize, sterilization: temperature 125-140 ℃, pressure 2.6-3.5MPa, kept 20 minutes.
Dry: temperature 115-125 ℃, 120 minutes time.
Result: obtain Powdered feed, the finished product water content is 12% after testing, meets the animal feed quality requirement.
Claims (5)
1, a kind of food garbage processing method is characterized in that may further comprise the steps:
(1) pyrolysis: food garbage carries out preliminary hydro-extraction, degreasing by pyrolysis installation, 40～70 ℃ of drop temperatures.
(2) extrusion dehydration: the material after the pyrolysis is by pressurizing unit extrusion dehydration, degreasing, and back material moisture≤50% dewaters.
(3) pulverize, sterilization: the high temperature and high pressure steam sterilization is pulverized and charged into simultaneously to the material behind the extrusion dehydration in airtight reducing mechanism, temperature is that 125～145 ℃, pressure are 2.5～4.5MPa, retention time 20～40 minutes.
(4) drying: material is dry in reducing mechanism, 115～145 ℃ of temperature, 120～180 minutes time.
2, be used for a kind of food garbage treating apparatus of claim 1 method, it is characterized in that: it comprise with food garbage the pyrolysis installation that carries out preliminary hydro-extraction under the continuous-flow state, with the material after the pyrolysis under continuous state, carry out the pressurizing unit of dewatering and defatting, the material behind the extrusion dehydration is concentrated pulverize, autoclave sterilization and the dry reducing mechanism of handling.
3, a kind of food garbage treating apparatus according to claim 2, it is characterized in that: described pyrolysis installation (01) is by heating kettle, feeding port (5), feed opening (10), the material propeller is formed, before heating kettle is, the garden tubular of back closed at both ends, stack shell (4) front end top is provided with feeding port (5), the below, rear end is provided with feed opening (10), the belly both sides are provided with discharge outlet (14), stack shell (4) crust is provided with zone of heating (12), zone of heating (12) is provided with admission opening (13) and steam vent (15), the material propeller is by motor (1), decelerator (2), main shaft (7), bearing block (8), sealing ring (3), screw propulsion plate (6) is formed, and screw propulsion plate (6) is fixed on main shaft (7) and goes up and be installed in the heating kettle by the bearing block (8) that is fixed on stack shell (4) rear and front end.
4, a kind of food garbage treating apparatus according to claim 2, it is characterized in that: described pressurizing unit (02) is by drive end bearing bracket (27), rear end cap (24), fuselage cover (19), outer dehydration tube (21), interior dehydration tube (23), charging aperture (20), discharging opening (25), discharge outlet (26), squeezer is formed, fuselage cover (19), outer dehydration tube (21), before interior dehydration tube (23) is fixed on successively, on the rear end cap (27) (24), charging aperture (20) places fuselage cover (19) front end top, discharging opening (25) places below, fuselage cover (19) rear end, discharge outlet (26) places below, fuselage cover (19) middle part, squeezer is by motor (16), decelerator (17), diminished shaft (18) and on screw extrusion plate (22), bearing block (28) is formed, diminished shaft (18) and on screw extrusion plate (22) by before being fixed on, bearing block (28) on the rear end cap (27) (24) is installed in interior dehydration tube (23) lining, in, outer dehydration tube (23) (21) is furnished with dewatering hole.
5, a kind of food garbage treating apparatus according to claim 2, it is characterized in that described reducing mechanism (03) is by the sandwich-type heating kettle, feeding mouth (34), discharging opening (43), rabbling mechanism, emission-control equipment is formed, feeding mouth (34) and discharging opening (43) are separately positioned on the top and the bottom of heating kettle, the heating kettle top also is provided with the inner chamber steam inlet (36) that is communicated with inner chamber (41), chamber pressure table (39), inner chamber safety valve (47), inner chamber thermometer (48) and the jacket steam import (33) that is communicated with hollow sandwich (32), interlayer safety valve (37), interlayer Pressure gauge (40), rabbling mechanism is by motor (29), decelerator (30), sealing gasket (31), shaft (42), stir shovel (45), bearing block (46) is formed, rabbling mechanism is installed in the heating kettle by the bearing block (46) that is fixed on the heating kettle two ends, and emission-control equipment is communicated with the feeding mouth (34) of heating kettle by exhaust pipe (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001233459A CN1137345C (en) | 2000-11-30 | 2000-11-30 | Method and equipment for treating food garbage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001233459A CN1137345C (en) | 2000-11-30 | 2000-11-30 | Method and equipment for treating food garbage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1316616A CN1316616A (en) | 2001-10-10 |
| CN1137345C true CN1137345C (en) | 2004-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001233459A Expired - Fee Related CN1137345C (en) | 2000-11-30 | 2000-11-30 | Method and equipment for treating food garbage |
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| Country | Link |
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| CN (1) | CN1137345C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837364A (en) * | 2010-04-07 | 2010-09-22 | 魏红江 | Separation method for urban catering swill system |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101130194B (en) * | 2007-09-14 | 2010-04-14 | 苏州市洁净废植物油回收有限公司 | Method for comprehensive processing garbage of food and recycling to use |
| KR100903744B1 (en) * | 2008-03-18 | 2009-06-19 | 웅진코웨이주식회사 | Exhausting apparatus and a drier of food treatment system having it |
| CN101269377B (en) * | 2008-04-28 | 2010-04-14 | 邓嗣平 | Sanitary comprehensive approach for city life garbage |
| CN101314260B (en) * | 2008-06-27 | 2010-12-08 | 武汉工业学院 | High-moisture percentage refuse compressing baling press |
| CN102864020B (en) * | 2012-09-24 | 2014-03-19 | 山东轻工业学院 | Food scrap treatment device |
| CN103286114B (en) * | 2013-03-29 | 2015-08-26 | 高翁斌 | The ecological resources utilization process of a kind of market of farm produce rubbish and garbage |
| CN105884408B (en) * | 2014-10-24 | 2022-10-18 | 镇江江工生物工程成套设备有限公司 | Processor for treating animals died of diseases by high-temperature high-pressure humidification method |
| CN104964287B (en) * | 2015-06-27 | 2017-07-28 | 北京博信晟益环保科技有限公司 | Rubbish press dry incinerator |
| CN105598135A (en) * | 2016-02-03 | 2016-05-25 | 天津欧盼科技开发有限公司 | Waste recycling device |
| CN107772192A (en) * | 2016-08-26 | 2018-03-09 | 刘和平 | A kind of kitchen garbage feed hi-temp hi-effective sterilization |
| CN108617858A (en) * | 2017-03-21 | 2018-10-09 | 刘和平 | A kind of swill treatment process |
| CN108622958A (en) * | 2017-03-21 | 2018-10-09 | 刘和平 | A kind of swill treatment process |
| CN107282594A (en) * | 2017-06-21 | 2017-10-24 | 柳州博海科技有限公司 | A kind of kitchen waste treater |
| CN109201712A (en) * | 2018-11-16 | 2019-01-15 | 绿水青山环保科技（大连）有限公司 | A kind of high-efficiency vertical domestic garbage disposer |
-
2000
- 2000-11-30 CN CNB001233459A patent/CN1137345C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837364A (en) * | 2010-04-07 | 2010-09-22 | 魏红江 | Separation method for urban catering swill system |
| CN101837364B (en) * | 2010-04-07 | 2012-12-12 | 魏红江 | Separation method for urban catering swill system |
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| Publication number | Publication date |
|---|---|
| CN1316616A (en) | 2001-10-10 |
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Granted publication date: 20040204 Termination date: 20101130 |