CN103691731B - Restaurant garbage treating system - Google Patents
Restaurant garbage treating system Download PDFInfo
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- CN103691731B CN103691731B CN201310738200.2A CN201310738200A CN103691731B CN 103691731 B CN103691731 B CN 103691731B CN 201310738200 A CN201310738200 A CN 201310738200A CN 103691731 B CN103691731 B CN 103691731B
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- waste
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 45
- 239000007791 liquid phase Substances 0.000 claims abstract description 31
- 238000012545 processing Methods 0.000 claims abstract description 31
- 239000012071 phase Substances 0.000 claims abstract description 26
- 108090000623 proteins and genes Proteins 0.000 claims abstract description 25
- 102000004169 proteins and genes Human genes 0.000 claims abstract description 25
- 239000003674 animal food additive Substances 0.000 claims abstract description 8
- 239000002699 waste material Substances 0.000 claims description 49
- 239000010806 kitchen waste Substances 0.000 claims description 42
- 239000007790 solid phase Substances 0.000 claims description 34
- 238000000751 protein extraction Methods 0.000 claims description 20
- 239000010802 sludge Substances 0.000 claims description 16
- 238000000855 fermentation Methods 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 8
- 239000010865 sewage Substances 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 208000005156 Dehydration Diseases 0.000 claims description 2
- 230000018044 dehydration Effects 0.000 claims description 2
- 238000006297 dehydration reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract 4
- 239000002910 solid waste Substances 0.000 abstract 4
- 239000010794 food waste Substances 0.000 abstract 2
- 238000005204 segregation Methods 0.000 abstract 2
- 235000018102 proteins Nutrition 0.000 description 20
- 239000000047 product Substances 0.000 description 14
- 239000003921 oil Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000000197 pyrolysis Methods 0.000 description 4
- 230000029087 digestion Effects 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 235000019733 Fish meal Nutrition 0.000 description 2
- 108010064851 Plant Proteins Proteins 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 235000021120 animal protein Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002361 compost Substances 0.000 description 2
- 238000009264 composting Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 239000004467 fishmeal Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000003864 humus Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000021118 plant-derived protein Nutrition 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000009270 solid waste treatment Methods 0.000 description 2
- 241000607142 Salmonella Species 0.000 description 1
- 239000003225 biodiesel Substances 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of restaurant garbage treating system, process device, liquid phase refuse disposal installation and oil phase refuse disposal installation including segregation apparatus, Solid Waste；Wherein, segregation apparatus for being separated into Solid Waste, liquid phase rubbish and oil phase rubbish by changing food waste；Solid Waste processes device for the described Solid Waste of reception is carried out bioprotein process, and the protein of acquisition is as feed additive；Liquid phase refuse disposal installation is for processing the described liquid phase rubbish received；Oil phase refuse disposal installation is for processing the described oil phase rubbish received.When restaurant garbage treating system of the present invention processes changing food waste, innoxious degree is high, can be avoided as much as secondary pollution and good economy performance.
Description
Technical Field
The invention relates to the technical field of garbage treatment, in particular to a kitchen garbage treatment system.
Background
At present, the treatment of kitchen waste is a very important subject in the field of waste treatment. The common treatment methods include direct landfill, incineration, anaerobic digestion, aerobic composting, pyrolysis, simple feed processing and the like.
The above methods, which adopt one of them alone, have drawbacks, such as:
(1) the problem that the kitchen garbage is handled to the mode of landfill exists is: a large amount of land is occupied, and land acquisition cost is high; the seepage liquid of the kitchen waste is large and can be buried only after solid-liquid separation, and the requirement of an impermeable layer is high, so the treatment cost is high. The kitchen waste is high in humus speed and high in humus amount, the surrounding air quality is seriously affected by quickly generating odor, secondary pollution is formed, and the treatment method is free of resource utilization.
(2) The problem that the kitchen waste is treated by the incineration mode is that: the low calorific value of the garbage has certain requirements; the high water content of the kitchen waste can increase the consumption of fuel and increase the treatment cost; and the one-time investment is large, the running cost is high, and the management level and the equipment maintenance requirement are higher.
(3) The problem that the mode of anaerobic digestion handles the kitchen garbage exists is: the initial engineering investment is large; the equipment is relatively difficult to install, debug and operate, and the process is complex; the slag after digestion needs to be treated again to meet the harmless requirement; moreover, the economic performance is poor, and government subsidy fees are required to be high.
(4) The problem of treating the kitchen waste in an aerobic composting way is as follows: the pollution to harmful organic matters, heavy metals and the like cannot be well solved, and the harmlessness is not thorough; the quality of the organic fertilizer is greatly restricted by the components of the kitchen waste, and the sale is not smooth; the compost treatment period is long, the occupied area is large, and the sanitary condition is relatively poor; the compost can not degrade grease and salt in the kitchen waste, and the salinization of the soil can be aggravated after long-term use.
(5) The problem that the mode of pyrolysis is handled kitchen garbage exists is: because organic matter components in the kitchen waste are complex, the pyrolysis production process is unstable and difficult to control; the residue after pyrolysis is difficult to treat and is easy to cause secondary pollution.
(6) The problem that kitchen garbage exists is handled to the mode of simply processing fodder is: the quality of the feed is influenced by the fluctuation of the ingredients of the incoming materials, is unstable and has strict requirements on the storage time of the kitchen waste. The possibility of homologous contamination may limit its production.
In view of the above, it is an urgent need to solve the problems of the prior art to provide a kitchen waste treatment system with high harmless degree, less secondary pollution and good economical efficiency.
Disclosure of Invention
In view of the above, the present invention provides a kitchen waste treatment system with high harmless degree, capability of avoiding secondary pollution as much as possible, and good economical efficiency.
The kitchen waste treatment system comprises a separation device, a solid-phase waste treatment device, a liquid-phase waste treatment device and an oil-phase waste treatment device; the separation device is used for separating the kitchen waste into solid-phase waste, liquid-phase waste and oil-phase waste; the solid-phase garbage treatment device is used for carrying out biological protein treatment on the received solid-phase garbage, and the obtained protein product is used as a feed additive; the liquid-phase garbage treatment device is used for treating the received liquid-phase garbage; the oil phase garbage treatment device is used for treating the received oil phase garbage.
Further, in the kitchen waste treatment system, the solid-phase waste treatment device comprises an extrusion part and a protein extraction processing part which are connected in sequence; the squeezing part is used for squeezing and dehydrating the solid-phase garbage to separate solid matters and liquid matters; and the protein extraction processing part is used for extracting and processing the solid substance based on a biological protein extraction mode to obtain a protein product serving as a feed additive.
Further, in the kitchen waste treatment system, the solid-phase waste treatment device further comprises a bioenergy product processing part, which is connected with the protein extraction processing part and used for processing the bioenergy product based on the protein product.
Further, in the kitchen waste disposal system, the liquid-phase waste disposal device includes: a homogenizing pool, an anaerobic fermentation tank, a sludge dewatering part and a sewage treatment part which are communicated in sequence.
Further, in the kitchen waste treatment system, the oil phase waste treatment device is provided with a diesel oil and/or combustion-supporting oil processing unit.
Furthermore, in the kitchen waste treatment system, the extrusion part is also communicated with the homogenizing tank.
Further, the kitchen waste treatment system also comprises an incinerator; the protein extraction processing part, the sludge dewatering part and the anaerobic fermentation tank are communicated with the incinerator and used for incinerating residues generated by the protein extraction processing part, sludge generated by the sludge dewatering part and methane generated by the anaerobic fermentation tank.
According to the kitchen waste treatment system, after the kitchen waste is separated into the solid-phase waste, the liquid-phase waste and the oil-phase waste through the separation device, the solid-phase waste is subjected to biological protein treatment through the solid-phase waste treatment device. That is, the invention applies the biological protein extraction technology to the treatment of the solid-phase garbage of the kitchen garbage, and has the following two advantages:
firstly, aiming at the characteristics of high water content and high organic matter content of the kitchen waste, the harmless and recycling of the waste treatment can be better realized, and the practicability of application is strong
Secondly, when solid-phase garbage is treated, the biological protein treatment does not need to sort out the plastic, wood blocks and other articles which are not beneficial to biological decomposition, so that the treatment mode has lower requirements on the raw materials of the kitchen garbage and wide practical range.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of an embodiment of the kitchen waste treatment system of the present invention;
FIG. 2 is a schematic structural diagram of a solid-phase waste treatment device in an embodiment of the kitchen waste treatment system of the present invention;
FIG. 3 is a schematic structural diagram of a liquid-phase waste treatment device in an embodiment of the kitchen waste treatment system of the present invention;
fig. 4 is a working principle diagram of the kitchen waste treatment system of the embodiment of the invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Preferred embodiments of the present invention will be further described with reference to fig. 1 to 4.
The kitchen waste treatment system of the preferred embodiment of the invention comprises: a separation apparatus 100, a solid phase waste treatment apparatus 200, a liquid phase waste treatment apparatus 300, and an oil phase waste treatment apparatus 400. The separation device 100 is used for separating the kitchen waste into solid-phase waste, liquid-phase waste and oil-phase waste; the solid-phase garbage treatment device 200 is used for performing biological protein treatment on the received solid-phase garbage, and the obtained protein product is used as a feed additive; the liquid-phase waste treatment device 300 is used for treating the received liquid-phase waste; the oil-phase waste treatment apparatus 400 is configured to treat the received oil-phase waste.
Since the solid-phase substance of the kitchen waste contains a large amount of animal protein and plant protein, the protein in the kitchen waste is extracted to produce protein products, and the protein products are mainly used for feed additives. The method for extracting the protein from the kitchen waste is used for producing the protein product, so that the harm of using fish meal as an additive in the prior art can be overcome, for example, salmonella in the fish meal has great influence on the sanitary safety of poultry.
Preferably, referring to fig. 2, the solid waste treatment apparatus 200 includes a pressing part 210 and a protein extraction processing part 220 connected in sequence; the extrusion part 210 is used for performing extrusion dehydration treatment on the solid-phase garbage to separate solid matters and liquid matters; the protein extraction processing unit 220 extracts and processes proteins from the solid material based on a biological protein extraction method, and obtains a protein product as a feed additive.
In addition, the solid waste treatment apparatus 200 further includes a bioenergy product processing unit 230 connected to the protein extraction processing unit for processing the bioenergy product based on the protein product.
In summary, the following steps: in the embodiment, after the kitchen waste is separated into solid-phase waste, liquid-phase waste and oil-phase waste by the separating device, the solid-phase waste is subjected to biological protein treatment by the solid-phase waste treatment device. That is, the invention applies the biological protein extraction technology to the treatment of the solid-phase garbage of the kitchen garbage, and has the following two advantages:
firstly, aiming at the characteristics of high water content and high organic matter content of the kitchen waste, the harmless and recycling of the waste treatment can be better realized, and the practicability of application is strong
Secondly, when solid-phase garbage is treated, the biological protein treatment does not need to sort out the plastic, wood blocks and other articles which are not beneficial to biological decomposition, so that the treatment mode has lower requirements on the raw materials of the kitchen garbage and wide practical range.
The following describes the structure of the liquid phase waste treatment apparatus. In the present preferred embodiment, referring to fig. 3, the liquid-phase waste treatment apparatus 300 includes: a homogenizing tank 310, an anaerobic fermentation tank 320, a sludge dewatering part 330 and a sewage treatment part 340; the homogenizing tank 310 is used for homogenizing the two liquid phases entering the homogenizing tank, and plays a role in relatively stabilizing the liquid phase components so as to reduce the impact of the pulsation of the liquid phase components on the next treatment. Wherein, the two liquid phase components entering the homogenizing pool 310 are respectively a liquid phase part generated by extruding and dehydrating solid phase garbage and a liquid phase part directly generated by separating kitchen garbage; the anaerobic fermenter 320 is used for anaerobic fermentation of the liquid phase portion to reduce COD of the liquid phase and generate biogas; the sludge dewatering part 330 is used for dewatering the fermented sludge so as to facilitate incineration; the sewage treatment part 340 is used for comprehensive treatment of a small amount of sewage so as to reach the discharge standard; the pressing portion 210 is also in communication with the homogenizing tank 310.
The oil phase garbage disposal apparatus 400 is provided with a diesel oil and/or combustion-supporting oil processing unit. Since the disposal of waste fuel tanks is well known to those skilled in the art, i.e., the method of processing diesel or other fuel oils by using the oil phase material separated from the waste is well known to those skilled in the art, it is not described herein in detail.
In addition, in the preferred embodiment, the kitchen waste treatment system further comprises an incinerator; the protein extraction processing part 220, the sludge dewatering part 330 and the anaerobic fermentation tank 320 are all communicated with the incinerator 500, and are used for incinerating the residue generated by the protein extraction processing part 220, the sludge generated by the sludge dewatering part 330 and the biogas generated by the anaerobic fermentation tank 320.
This embodiment kitchen garbage processing system output two parts waste material. Firstly, sewage after anaerobic fermentation must discharge up to standard through handling, and the normal water after the purification treatment can be used for kitchen collecting vessel and collection vehicle to wash water and use. Sludge produced by anaerobic fermentation and concentrated water produced in the sewage treatment process can be incinerated in an incinerator after being dried. The second kind of waste material is residue with 30% solid matter content after extraction of bioenergy protein, and has water content of about 30% and heat value of about 800-1000 calories/kg, and may be burnt in incinerator to reduce cost.
Referring to fig. 4, fig. 4 is a working principle diagram of the kitchen waste disposal system according to the embodiment of the present invention. Essentially, the kitchen cabinet adopts a treatment mode of combining anaerobic fermentation with bioenergy technology, the kitchen cabinet is firstly divided into three phases of solid phase, water phase and oil phase by a pretreatment system, the separated water phase substance is mainly treated by adopting a medium-temperature anaerobic fermentation technology, and the generated byproducts such as methane, biogas residue and sludge can be sent to a garbage incinerator for utilization and power generation; the solid phase substance obtained by pretreatment adopts the bioenergy technology, animal protein and plant protein in the kitchen waste are extracted by breeding maggots, and the product is used as a protein additive of feed, so that a recycling treatment process with higher added value is realized. The treatment process strictly controls the generation of secondary pollutants; the oil phase substance obtained by pretreatment can be processed to produce biodiesel or used as a fuel aid. The whole combined treatment technology realizes harmlessness, resource utilization and reduction, and simultaneously realizes virtuous circle in economy.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (3)
1. A kitchen waste treatment system, characterized by comprising:
a separation device (100), a solid-phase waste treatment device (200), a liquid-phase waste treatment device (300), and an oil-phase waste treatment device (400); wherein,
the separation device (100) is used for separating the kitchen waste into solid-phase waste, liquid-phase waste and oil-phase waste;
the solid-phase garbage treatment device (200) is used for carrying out biological protein treatment on the received solid-phase garbage, and the obtained protein product is used as a feed additive;
the liquid-phase garbage treatment device (300) is used for treating the received liquid-phase garbage;
the oil-phase garbage treatment device (400) is used for treating the received oil-phase garbage;
the solid phase waste treatment device (200) comprises a squeezing part (210) and a protein extraction processing part (220) which are connected in sequence; wherein
The extrusion part (210) is used for carrying out extrusion dehydration treatment on the solid-phase garbage to separate solid matters and liquid matters;
a protein extraction processing part (220) is used for extracting and processing the solid substance based on a biological protein extraction mode to obtain a protein product as a feed additive;
the solid-phase garbage treatment device (200) further comprises a bioenergy product processing part (230) which is connected with the protein extraction processing part and is used for processing the bioenergy product based on the protein product;
the liquid-phase waste treatment apparatus (300) comprises:
the device comprises a homogenizing pool (310), an anaerobic fermentation tank (320), a sludge dewatering part (330) and a sewage treatment part (340) which are communicated in sequence.
2. The kitchen waste disposal system of claim 1,
the squeezing part (210) is also communicated with the homogenizing pool (310).
3. The kitchen waste disposal system of claim 2,
also comprises an incinerator;
the protein extraction processing part (220), the sludge dewatering part (330) and the anaerobic fermentation tank (320) are communicated with the incinerator (500) and are used for incinerating residues generated by the protein extraction processing part (220), sludge generated by the sludge dewatering part (330) and biogas generated by the anaerobic fermentation tank (320).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310738200.2A CN103691731B (en) | 2013-12-26 | 2013-12-26 | Restaurant garbage treating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310738200.2A CN103691731B (en) | 2013-12-26 | 2013-12-26 | Restaurant garbage treating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103691731A CN103691731A (en) | 2014-04-02 |
| CN103691731B true CN103691731B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310738200.2A Expired - Fee Related CN103691731B (en) | 2013-12-26 | 2013-12-26 | Restaurant garbage treating system |
Country Status (1)
| Country | Link |
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| CN (1) | CN103691731B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123076A (en) * | 2017-06-05 | 2017-09-01 | 合肥永泰新型建材有限公司 | A kind of waste management system and waste management method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09290246A (en) * | 1996-04-25 | 1997-11-11 | Sanyo Electric Co Ltd | Garbage disposal system |
| CN1290631C (en) * | 2003-07-03 | 2006-12-20 | 上海神工环保股份有限公司 | Resources comprehensive treatment technology for organic waste material |
| CN102728600A (en) * | 2011-04-11 | 2012-10-17 | 张希曾 | Comprehensive processing method of food wastes |
| CN102374543A (en) * | 2011-08-08 | 2012-03-14 | 南京大学 | Anaerobic fermentation-incineration combined treatment method for organic wastes |
| CN102950137B (en) * | 2011-08-19 | 2015-07-08 | 光大环保科技发展（北京）有限公司 | Kitchen waste collaborative processing method |
| CN102731172A (en) * | 2012-06-29 | 2012-10-17 | 浙江省长三角循环经济技术研究院 | Treatment process for kitchen waste |
| CN203725478U (en) * | 2013-12-26 | 2014-07-23 | 北京中科通用能源环保有限责任公司 | Kitchen waste treatment system |
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- 2013-12-26 CN CN201310738200.2A patent/CN103691731B/en not_active Expired - Fee Related
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