CN102218441A - Solid-liquid separating device and method for kitchen waste - Google Patents
Solid-liquid separating device and method for kitchen waste Download PDFInfo
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- CN102218441A CN102218441A CN2011101215365A CN201110121536A CN102218441A CN 102218441 A CN102218441 A CN 102218441A CN 2011101215365 A CN2011101215365 A CN 2011101215365A CN 201110121536 A CN201110121536 A CN 201110121536A CN 102218441 A CN102218441 A CN 102218441A
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Abstract
The invention discloses a solid-liquid separating device and method for kitchen waste. The device comprises feed inlets, discharge outlets and a solid-liquid separating mechanism arranged between the feed inlets and the discharge outlets; the solid-liquid separating mechanism comprises a gear crushing assembly, an extruding screw assembly, a driving unit, a first filter screen assembly, a second filter screen assembly and a rolling assembly. The driving unit drives the gear crushing assembly, the extruding screw assembly and the rolling assembly; kitchen waste enters into the device through the feed inlets and undergoes solid-liquid separation three times when passing through two passages, and solid and liquid waste are respectively discharged through the discharge outlets. The device provided in the invention has a simple construction and a good effect in solid-liquid separation, and enables kitchen waste to be recycled conveniently.
Description
[technical field]
The invention belongs to the changing food waste processing technology field, particularly a kind of equipment for separating liquid from solid of changing food waste and method.
[technical background]
Be accompanied by the sustained and rapid development of national economy and the surge of population in recent years, the raising of the level of consumption, the catering industry of China develops rapidly, the output of China's changing food waste is increasing, show according to the National Environmental communique, calendar year 2001, the changing food waste amount of clearing was 4,041 ten thousand～5,388 ten thousand tons, accounted for more than 4 one-tenth of domestic waste.And As time goes on its generation will be increasing.Changing food waste mainly comprises rice and flours food residues, meat bone, fish-bone, animal and plant fat, vegetables residue etc.,, wherein contain a large amount of starch, water, protein, cellulose, pigment, grease and inorganic salts etc. from chemical composition.Protein wherein and grease have bigger Economic Application and are worth, but their easy putrid and deteriorated generation stink stores and the utilization comparatively difficulty that becomes and make.The moisture content of changing food waste is generally higher, and this gives to collect transportation and store and brings suitable trouble.Usually contain relatively large grease and salt in the changing food waste and adhere to also corrosion device of device surface easily, be difficult for separating well.The method of existing processing changing food waste is mainly and adopts methods such as feedization, fertilizerization, biodiesel technology with its recycling after the changing food waste that will disperse is collected centralized collection both at home and abroad, has produced above-described problem thus.Feed processing and changing food waste are one of processing methods that has most now value of exploiting and utilizing value, the feed that changing food waste generates after the feed processing is raiseeed as fowl, aquatic products, the good feed of earthworm etc. is used, and will produce good economic benefit, but the method is because changing food waste itself is easily degenerated rotten, the source disperses, the composition instability, problems such as the quality control difficulty is big and limited its extensive use, therefore research becomes relatively the key link of changing food waste into resources processing from the quality of control of changing food waste source and changing food waste, and this The Application of Technology is made significant contribution with the resource and the utilization of changing food waste.
[summary of the invention]
The objective of the invention is to: the deficiency on the above-mentioned existing changing food waste treatment technology, provide a kind of simple in structure, good effect of separating solid from liquid is convenient to the device and method of the changing food waste Separation of Solid and Liquid of changing food waste recycling.
The object of the present invention is achieved like this:
A kind of equipment for separating liquid from solid of changing food waste, comprise charging aperture, discharging opening and be located at Separation of Solid and Liquid mechanism between this charging aperture and the discharging opening, described charging aperture further comprises liquid feed mouth and solid-state charging aperture, described discharging opening further comprises the solid discharging opening, first liquid outlet opening and second liquid outlet opening, described Separation of Solid and Liquid mechanism further comprises gear crushing assembly, the extruding screw assembly, driving mechanism, first net-filter assembly, second net-filter assembly and roll extrusion assembly, the described gear crushing of described drive mechanism assembly, extruding screw assembly and roll extrusion assembly, described equipment for separating liquid from solid comprises first path and alternate path, this first path is begun by the liquid feed mouth, in turn by first net-filter assembly, the extruding screw assembly back segment and second net-filter assembly are communicated with first liquid outlet opening, and this liquid feed mouth is communicated with at the first net-filter assembly front end with described solid-state charging aperture; Described alternate path is begun by solid-state charging aperture, is communicated with the described solid discharging opening and second liquid outlet opening through gear crushing assembly, extruding screw assembly and roll extrusion assembly in turn.
Gear crushing assembly is meant two mutual interlocks of the gear that differs in size, and two gears are longer along axis direction, and wherein gear wheel is connected with driving mechanism.Under power source drives gear wheel in the counterclockwise direction the rotation driving pinion counter-rotation form the linking district of a sealing, changing food waste is pressed into the linking district of sealing under the promotion of gear sawtooth, and then quilt is rolled fragmentation, moisture is squeezed out simultaneously, and changing food waste falls into screw extrusion device in the lump.
The extruding screw assembly comprises screw rod that a stainless steel is made and supporting with it sleeve and motor power source, and screw rod is designed to the folded spiral shell structure of taper.This structure is rotated promotion changing food waste solid along clockwise direction and is moved forward under the drive of motor, the changing food waste solid is more and more littler thereupon because of the outlet of the more and more littler motion forward of folded spiral shell diameter in the process of motion forward, thereby the changing food waste solid can be subjected to the co-extruded of sleeve and screw rod and deviates from moisture and form fine and close solid in the process of motion, under the motive force of folded spiral shell, move simultaneously, finally be pushed out sleeve and enter receiving system to outlet.
As the improvement of technique scheme, further technical scheme of the present invention is as follows:
Further, above-mentioned solid discharging opening is communicated in a storage tank, and above-mentioned first liquid outlet opening and second liquid outlet opening are communicated in a fluid reservoir.
Fluid reservoir is used to collect isolated liquid in order to recycling.
Further, above-mentioned storage tank is provided with an ozone generating-device.
The ozone fresh-keeping technology is an emerging fresh-keeping technology of foodstuff such as fruit that is usually used in, and it has utilized the strong oxidizing property of ozone and has easily decomposed and the characteristic of noresidue.Ozone is human known second strong oxidizer that is only second to oxygen, ozone has very high energy, so it is very unstable, molecular structure changes easily at normal temperatures and pressures, be decomposed into oxygen (O2) and single oxygen atom voluntarily, have the very activity of high energy, under finite concentration, microorganisms such as bacterial virus are had stronger oxidation.Ozone can directly be had an effect with bacterium, virus, destroy in its body DNA RNA macromolecule polyalcohols such as protein, lipid and polysaccharide, metabolism and the reproductive process of destruction bacterium.The ozone fresh-keeping method for disinfection and sterilization is compared outstanding advantages such as having efficient, high cleaning, high economy, high convenience with conventional method.The unnecessary single oxygen atom (O) that produces in the ozone oxidation process can be combined into oxygen molecule (O2) and therefore not have any residue after 30 minutes, solved the secondary pollution problem that conventional preservation method produces.Saved the cleaning once more after sterilization finishes simultaneously, can carry out automation control easily, along with the extensive use of ozone generation technology, its economy is also apparent simultaneously.
Further, above-mentioned storage tank is provided with a microwave generating apparatus.
The microwave sterilization technology is to follow this microwave heating technique development and a next emerging technology, because microwave has strong penetrating power, has strong fuel factor simultaneously especially for more apparent its power of the food of high-moisture percentage, therefore utilizing microwave that food is carried out its rotten cycle of heat sterilization-control is unusual efficient ways, microwave is by the high band electromagnetic wave of the microwave generator emission that is called magnetron, has electromagnetic general characteristic.Heating using microwave frequency commonly used both at home and abroad at present is 915MHZ and 2450MHZ, microwave sterilization is fuel factor and the coefficient result of biological effect who has utilized electromagnetic field, for water-bearing media as food, hydrone wherein is a polar molecule, it is under fast-changing high frequency magnetic field effect, and polarity orientation changes and changes along with external electric field.Material is heated up, and microwave electric field can change the Potential distribution of cell membrane section simultaneously, influences the electronics and the ion concentration of cell membrane electronics on every side.Thereby change the transparent performance of cell membrane, the eucaryotic cell structure function gets muddled, and growing is suppressed.The fuel factor of microwave causes protein denaturation simultaneously.Under both actings in conjunction, bacterium and viral growth are subjected to strongly fragrant system and death, but so the heating using microwave sterilization technology have advantages such as firing rate is fast, the fast automation control of sterilization speed.Can effectively solve changing food waste problem apt to deteriorate in storage process, for follow-up recycling provides effective prerequisite.
Further, the first above-mentioned net-filter assembly is horizontal by the miter angle setting, and the end that the first above-mentioned net-filter assembly is lower is communicated with described solid-state charging aperture.
First net-filter assembly is to make the solid-state changing food waste after the filtration to enter alternate path by the connected entrance of first path and alternate path smoothly horizontal by the purpose of miter angle setting, carries out the handling process of solid-state changing food waste.
Further, the first above-mentioned net-filter assembly is oblique double-deck draining net.
A kind of solid-liquid separating method of changing food waste, described method has been used the equipment for separating liquid from solid of above-mentioned a kind of changing food waste, and described method comprises the steps:
A, the solid and the liquid of changing food waste are put into solid-state charging aperture and liquid feed mouth respectively, liquid changing food waste enters fluid reservoir after filtering through first net-filter assembly, and the solid-state part after the filtration enters alternate path;
B, starter receiver crushing assembly and extruding screw assembly, enter the extruding screw assembly after solid-state changing food waste is pulverized through gear crushing assembly and be compressed into cylindric solid content, the liquid part that squeezes out filters the back by second net-filter assembly and enters fluid reservoir by first liquid outlet opening;
C, startup roll extrusion assembly, the cylindric solid content after the compression of extruding screw assembly enters fluid reservoir through the isolated once more liquid of roll extrusion assembly through second liquid outlet opening, and isolated solid enters storage tank;
D, start ozone generating-device and microwave generating apparatus, make that ozone concentration remains on suitable concn in the storage tank, the difference according to weather conditions is controlled at OK range with the heating using microwave sterilization time simultaneously, and the cycle of operation is carried out automation control.
Further, above-mentioned driving mechanism is a motor, and in step b, its rotating speed is 50～100 rev/mins, and in step c, its rotating speed is 30～80 rev/mins.
Further, the ozone of above-mentioned ozone generating-device output makes the ozone concentration in the storage tank remain on 0.2～0.3mg/m
3
Further, in steps d, microwave heating time is controlled at 15～30min, is about 10 hours heating cycle.
The invention has the beneficial effects as follows: integrated application of the present invention environmental project, machine-building, Environmental Chemistry, the frontier theory of physical chemistry, Electronics in Electrical Engineering and new and high technology and with its fusion application in the changing food waste process field, have simple in structure, good effect of separating solid from liquid is convenient to beneficial effects such as changing food waste recycling.
[description of drawings]
Accompanying drawing is a structural representation of the present invention.
[specific embodiment]
Below in conjunction with drawings and the specific embodiments, the present invention is described in more detail, should be appreciated that embodiment described herein only is used to explain the present invention, and be not used in qualification the present invention.
As shown in drawings, the equipment for separating liquid from solid of the described a kind of changing food waste of present embodiment, comprise charging aperture, discharging opening and be located at Separation of Solid and Liquid mechanism between this charging aperture and the discharging opening, described charging aperture further comprises liquid feed mouth 1 and solid-state charging aperture 2, described discharging opening further comprises solid discharging opening 14, first liquid outlet opening 15 and second liquid outlet opening 16, described Separation of Solid and Liquid mechanism further comprises gear crushing assembly 4, extruding screw assembly 5, driving mechanism, first net-filter assembly 3, second net-filter assembly 6 and roll extrusion assembly 7, the driving mechanism of present embodiment is made up of motor 12 and interlock gear 11, the described gear crushing of this drive mechanism assembly 4, extruding screw assembly 5 and roll extrusion assembly 7, described equipment for separating liquid from solid comprises first path and alternate path, this first path is by 1 beginning of liquid feed mouth, in turn by first net-filter assembly 3, extruding screw assembly 5 back segments and second net-filter assembly 6 are communicated with first liquid outlet opening 15, and this liquid feed mouth 1 is communicated with at first net-filter assembly, 3 front ends with described solid-state charging aperture 2; Described alternate path is communicated with the described solid discharging opening 14 and second liquid outlet opening 16 through gear crushing assembly 4, extruding screw assembly 5 and roll extrusion assembly 7 in turn by solid-state charging aperture 2 beginnings.
The solid discharging opening 14 of present embodiment is communicated in a storage tank 8, the first liquid outlet openings 15 and second liquid outlet opening 16 is communicated in a fluid reservoir 13.
The storage tank 8 of present embodiment is provided with an ozone generating-device 9 and a microwave generating apparatus 10.
First net-filter assembly 3 of present embodiment is horizontal by the miter angle setting, and first net-filter assembly, 3 lower ends are communicated with described solid-state charging aperture 2.
First net-filter assembly 3 of present embodiment is oblique double-deck draining net.
The solid-liquid separating method of a kind of changing food waste of present embodiment has used the equipment for separating liquid from solid of above-mentioned a kind of changing food waste, and this method comprises the steps:
A, the solid and the liquid of changing food waste are put into solid-state charging aperture 1 and liquid feed mouth 2 respectively, liquid changing food waste enters fluid reservoir 13 after filtering through first net-filter assembly 3, and the solid-state part after the filtration enters alternate path;
B, starter receiver crushing assembly 4 and extruding screw assembly 5, enter extruding screw assembly 5 after solid-state changing food waste is pulverized through gear crushing assembly 4 and be compressed into cylindric solid content, the liquid part that squeezes out filters the back by second net-filter assembly 6 and enters fluid reservoir 13 by first liquid outlet opening 15;
C, startup roll extrusion assembly 7, the cylindric solid content after 5 compressions of extruding screw assembly enters fluid reservoir 13 through roll extrusion assembly 7 isolated once more liquid through second liquid outlet opening 16, and isolated solid enters storage tank 8;
D, start ozone generating-device 9 and microwave generating apparatus 10, make that ozone concentration remains on suitable concn in the storage tank 8, the difference according to weather conditions is controlled at OK range with the heating using microwave sterilization time simultaneously, and the cycle of operation is carried out automation control.
The driving mechanism of present embodiment is a motor, and in step b, its rotating speed is 50～100 rev/mins, and in step c, its rotating speed is 30～80 rev/mins.
The ozone of ozone generating-device 9 outputs of present embodiment makes the ozone concentration in the storage tank 8 remain on 0.2～0.3mg/m
3
In steps d, microwave heating time is controlled at 15～30min, is about 10 hours heating cycle.
Below lift two examples effect of the present invention is described, but claim scope of the present invention is not limited only to this.
Example 1: the changing food waste source is certain hotel, and the changing food waste principal component is a leftovers, meat bone, fish-bone, waste oil and vegetables residue.Moisture content is 80% (removing liquid rubbish such as soup), during through the changing food waste equipment for separating liquid from solid, and power-on, it is 50 rev/mins that gear crushing assembly rotating speed is set.Extruding screw assembly rotating speed is 30 rev/mins.The last moisture content that obtains in storage tank is 40 percent gluey changing food waste solid content.Open microwave generating apparatus, stop heating behind the adjusting firepower heating 15min, opened every 10 hours and once carry out automation control.Open ozone generating-device, treat that ozone liquid is 3～5mg/m in the storage tank
3Shi Zidong stops ozone generator and automatically opened every 12 hours and stop control periodically automatically.Changing food waste can be preserved more than 10 days in storage tank and never degenerate thus.
Example 2: the changing food waste source is certain dining room, and the changing food waste principal component is a leftovers, meat bone, fish-bone, waste oil and vegetables residue.Moisture content reaches 95% (removing liquid rubbish such as soup), during through the changing food waste equipment for separating liquid from solid, and power-on, it is 50 rev/mins that gear crushing assembly rotating speed is set.Extruding screw assembly rotating speed is 30 rev/mins.The last moisture content that obtains in storage tank is 43% gluey changing food waste solid content.Open microwave generating apparatus, stop heating behind the adjusting firepower heating 15min, opened again automatically every 10 hours.Automatically open ozone generating-device, treat that ozone concentration is 3～5mg/m in the storage tank
3Shi Zidong stops.Ozone generator was opened automatically every 12 hours and is stopped, control periodically automatically.This changing food waste can be preserved in storage tank about 10 days and never degenerate thus.
The foregoing description is a preferred embodiment of the present invention, if to these modifications of the present invention and modification, belong within the scope of claim of the present invention and equivalent technologies, then the present invention also be intended to comprise these change and modification interior.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. the equipment for separating liquid from solid of a changing food waste, comprise charging aperture, discharging opening and be located at Separation of Solid and Liquid mechanism between this charging aperture and the discharging opening, it is characterized in that: described charging aperture further comprises liquid feed mouth and solid-state charging aperture, described discharging opening further comprises the solid discharging opening, first liquid outlet opening and second liquid outlet opening, described Separation of Solid and Liquid mechanism further comprises gear crushing assembly, the extruding screw assembly, driving mechanism, first net-filter assembly, second net-filter assembly and roll extrusion assembly, the described gear crushing of described drive mechanism assembly, extruding screw assembly and roll extrusion assembly, described equipment for separating liquid from solid comprises first path and alternate path, this first path is begun by the liquid feed mouth, in turn by first net-filter assembly, the extruding screw assembly back segment and second net-filter assembly are communicated with first liquid outlet opening, and this liquid feed mouth is communicated with at the first net-filter assembly front end with described solid-state charging aperture; Described alternate path is begun by solid-state charging aperture, is communicated with the described solid discharging opening and second liquid outlet opening through gear crushing assembly, extruding screw assembly and roll extrusion assembly in turn.
2. the equipment for separating liquid from solid of a kind of changing food waste according to claim 1, it is characterized in that: described solid discharging opening is communicated in a storage tank, and described first liquid outlet opening and second liquid outlet opening are communicated in a fluid reservoir.
3. the equipment for separating liquid from solid of a kind of changing food waste according to claim 2, it is characterized in that: described storage tank is provided with an ozone generating-device.
4. the equipment for separating liquid from solid of a kind of changing food waste according to claim 2, it is characterized in that: described storage tank is provided with a microwave generating apparatus.
5. the equipment for separating liquid from solid of a kind of changing food waste according to claim 1, it is characterized in that: described first net-filter assembly is horizontal by the miter angle setting, and the end that described first net-filter assembly is lower is communicated with described solid-state charging aperture.
6. the equipment for separating liquid from solid of a kind of changing food waste according to claim 5, it is characterized in that: described first net-filter assembly is oblique double-deck draining net.
7. the solid-liquid separating method of a changing food waste, described method has been used the equipment for separating liquid from solid according to the described a kind of changing food waste of claim 1-6, it is characterized in that: described method comprises the steps:
A, the solid and the liquid of changing food waste are put into solid-state charging aperture and liquid feed mouth respectively, liquid changing food waste enters fluid reservoir after filtering through first net-filter assembly, and the solid-state part after the filtration enters alternate path;
B, starter receiver crushing assembly and extruding screw assembly, enter the extruding screw assembly after solid-state changing food waste is pulverized through gear crushing assembly and be compressed into cylindric solid content, the liquid part that squeezes out filters the back by second net-filter assembly and enters fluid reservoir by first liquid outlet opening;
C, startup roll extrusion assembly, the cylindric solid content after the compression of extruding screw assembly enters fluid reservoir through the isolated once more liquid of roll extrusion assembly through second liquid outlet opening, and isolated solid enters storage tank;
D, start ozone generating-device and microwave generating apparatus, make that ozone concentration remains on suitable concn in the storage tank, the difference according to weather conditions is controlled at OK range with the heating using microwave sterilization time simultaneously, and the cycle of operation is carried out automation control.
8. the solid-liquid separating method of a kind of changing food waste according to claim 7, it is characterized in that: described driving mechanism is a motor, and in step b, its rotating speed is 50～100 rev/mins, and in step c, its rotating speed is 30～80 rev/mins.
9. the solid-liquid separating method of a kind of changing food waste according to claim 7 is characterized in that: the ozone of described ozone generating-device output makes the ozone concentration in the storage tank remain on 0.2～0.3mg/m
3
10. the solid-liquid separating method of a kind of changing food waste according to claim 7, it is characterized in that: in steps d, microwave heating time is controlled at 15～30min, is about 10 hours heating cycle.
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Cited By (14)
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| CN103056151A (en) * | 2012-11-23 | 2013-04-24 | 华南再生资源（中山）有限公司 | Kitchen waste oxidizing, deodorizing, inactivating, washing and salt-reducing device |
| CN103192313A (en) * | 2013-04-18 | 2013-07-10 | 铜陵市嘉音电子科技有限公司 | Small-size kink mode tuning fork chip polishing method |
| CN103908817A (en) * | 2014-03-31 | 2014-07-09 | 中国农业科学院油料作物研究所 | Novel kitchen waste residue-liquid separating device |
| CN104117527A (en) * | 2014-07-24 | 2014-10-29 | 深圳市利赛环保科技有限公司 | Organic matter separating device for biological pretreatment of kitchen wastes |
| CN104971934A (en) * | 2015-07-03 | 2015-10-14 | 上海市动物无害化处理中心 | Integrated residue removing device used for harmless disposal of animals |
| CN105057322A (en) * | 2015-09-24 | 2015-11-18 | 陈卡丹 | Waste water treatment separation system |
| CN106903131A (en) * | 2017-03-06 | 2017-06-30 | 临沧都汇再生资源有限责任公司 | A kind of kitchen garbage fermentation system, method and fermented feed |
| CN107892113A (en) * | 2017-12-08 | 2018-04-10 | 成都点点通科技有限公司 | For handling the environment-friendly type integrating device of rubbish |
| CN107932960A (en) * | 2017-12-08 | 2018-04-20 | 成都点点通科技有限公司 | The adjustable kitchen garbage integrated processor of structure |
| CN108211469A (en) * | 2018-01-05 | 2018-06-29 | 惠安北酷机械科技有限公司 | Juice residue High-cfficiency Filtration equipment in a kind of sugar processing raw material |
| CN111468511A (en) * | 2020-04-20 | 2020-07-31 | 常伟 | Food and beverage rubbish reducing mechanism |
| CN114933105A (en) * | 2022-05-10 | 2022-08-23 | 海南省智慧环境投资控股有限公司 | Domestic waste separation and concentration treatment device |
| CN115245947A (en) * | 2022-06-01 | 2022-10-28 | 深圳市元合智造科技有限公司 | Kitchen waste rapid treatment equipment |
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| CN103056151A (en) * | 2012-11-23 | 2013-04-24 | 华南再生资源（中山）有限公司 | Kitchen waste oxidizing, deodorizing, inactivating, washing and salt-reducing device |
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| CN103192313A (en) * | 2013-04-18 | 2013-07-10 | 铜陵市嘉音电子科技有限公司 | Small-size kink mode tuning fork chip polishing method |
| CN103908817A (en) * | 2014-03-31 | 2014-07-09 | 中国农业科学院油料作物研究所 | Novel kitchen waste residue-liquid separating device |
| CN104117527A (en) * | 2014-07-24 | 2014-10-29 | 深圳市利赛环保科技有限公司 | Organic matter separating device for biological pretreatment of kitchen wastes |
| CN104971934A (en) * | 2015-07-03 | 2015-10-14 | 上海市动物无害化处理中心 | Integrated residue removing device used for harmless disposal of animals |
| CN105057322A (en) * | 2015-09-24 | 2015-11-18 | 陈卡丹 | Waste water treatment separation system |
| CN106903131A (en) * | 2017-03-06 | 2017-06-30 | 临沧都汇再生资源有限责任公司 | A kind of kitchen garbage fermentation system, method and fermented feed |
| CN107892113A (en) * | 2017-12-08 | 2018-04-10 | 成都点点通科技有限公司 | For handling the environment-friendly type integrating device of rubbish |
| CN107932960A (en) * | 2017-12-08 | 2018-04-20 | 成都点点通科技有限公司 | The adjustable kitchen garbage integrated processor of structure |
| CN108211469A (en) * | 2018-01-05 | 2018-06-29 | 惠安北酷机械科技有限公司 | Juice residue High-cfficiency Filtration equipment in a kind of sugar processing raw material |
| CN111468511A (en) * | 2020-04-20 | 2020-07-31 | 常伟 | Food and beverage rubbish reducing mechanism |
| CN114933105A (en) * | 2022-05-10 | 2022-08-23 | 海南省智慧环境投资控股有限公司 | Domestic waste separation and concentration treatment device |
| CN114933105B (en) * | 2022-05-10 | 2024-06-07 | 海南省智慧环境投资控股有限公司 | Domestic waste separation concentration processing apparatus |
| CN115245947A (en) * | 2022-06-01 | 2022-10-28 | 深圳市元合智造科技有限公司 | Kitchen waste rapid treatment equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102218441B (en) | 2013-08-21 |
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