CN112676309A - Harmless comprehensive disposal system and process for kitchen waste - Google Patents
Harmless comprehensive disposal system and process for kitchen waste Download PDFInfo
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- CN112676309A CN112676309A CN202011496222.9A CN202011496222A CN112676309A CN 112676309 A CN112676309 A CN 112676309A CN 202011496222 A CN202011496222 A CN 202011496222A CN 112676309 A CN112676309 A CN 112676309A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/20—Waste processing or separation
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Abstract
The invention discloses a kitchen waste harmless comprehensive disposal system and a process, which comprises a material separator, a crusher, a screening tank, a filtering device, a heating tank, a centrifugal machine, an anaerobic tank, a purifying device, a stirring machine, an extracting tank, a drying tank, a fermenting device and a storage tank, and is characterized in that the material separator is used for separating blocky waste and liquid waste, the crusher is used for crushing blocky waste, the screening tank is used for screening the blocky waste which is not completely crushed and sending the blocky waste into the crusher again for crushing, the stirring machine is used for uniformly stirring waste residue and crushed waste, the filtering device is used for filtering liquid and fine waste residue in the liquid waste, the heating tank is used for heating the liquid waste and separating oil and water, the centrifugal machine is used for separating the waste to obtain grease, waste water and residue, the anaerobic tank can generate methane, the purifying device is used for purifying the waste water to ensure that the waste water reaches the standard discharge, the extraction tank is used for extracting organic matters in the garbage. The invention has simple structure and convenient operation.
Description
Technical Field
The invention relates to the technical field of kitchen waste treatment, in particular to a kitchen waste harmless comprehensive disposal system and a kitchen waste harmless comprehensive disposal process.
Background
The kitchen waste is derived from food left by people, and has the characteristics of high organic matter content, high oil and salt content and the like. Is easy to rot, breeds virus and microorganism, and has great environmental pollution if not treated properly. The treatment process mainly comprises pretreatment units such as sorting and crushing from the viewpoint of reduction; the harmless treatment is realized by physical or biological technical means on the basis; the resource recycling is realized by recycling the energy of the solid waste on the basis of reduction and harmlessness. At present, most kitchen projects in operation and construction in China adopt treatment technologies such as anaerobic fermentation biogas production, aerobic composting, feed preparation, incineration and the like. The treatment defects of low organic matter resource utilization efficiency, incomplete treatment, low economic benefit and the like exist, so that the development of a treatment method with high resource utilization, safety, thoroughness and high economic value is particularly important.
Disclosure of Invention
The invention aims to provide a harmless comprehensive disposal system and a harmless comprehensive disposal process for kitchen waste, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a harmless comprehensive disposal system for kitchen waste comprises a material separator, a pulverizer, a screening tank, a filtering device, a heating tank, a centrifugal machine, an anaerobic tank, a purifying device, a stirring machine, an extraction tank, a drying tank, a fermenting device and a storage gas tank, and is characterized in that the material separator is used for separating blocky waste and liquid waste, the pulverizer is used for pulverizing blocky waste, the screening tank is used for screening the blocky waste which is not completely pulverized and sending the blocky waste into the pulverizer again for pulverization, the stirring machine is used for uniformly stirring waste residues and crushed waste, the filtering device is used for filtering liquid and fine waste residues in the liquid waste, the heating tank is used for heating the liquid waste and separating oil and water, the centrifugal machine is used for separating the waste to obtain grease, waste water and slag, the anaerobic tank can be used for generating methane from the waste water, and the purifying device is used for purifying the waste water, the extraction tank is used for extracting organic matters in the crushed garbage, the drying tank is used for drying the organic matters and collecting and storing the organic matters, the fermentation device is used for fermenting the waste residues and the garbage to generate methane, and the storage gas tank is used for collecting the methane and facilitating the later-stage unified transportation and management.
Further, biogas generated by the anaerobic tank is also collected by the storage gas tank.
Further, waste residues generated by the centrifugal machine are conveyed to a fermentation device.
Further, the oil water extracted by the extraction tank is transmitted to the heating pipe.
Furthermore, a circulating device is arranged between the screening tank and the crusher and is used for re-crushing the blocky garbage which is not completely treated.
Furthermore, a water quality monitoring device is installed in the purification device.
Compared with the prior art, the invention has the following beneficial effects:
the harmless comprehensive disposal system and the process for the kitchen waste realize the maximum recovery of grease and the maximum reduction, harmlessness and recycling of the disposal of the food waste. The material separator separates solid and liquid of the garbage, then processes the solid and liquid garbage respectively, extracts grease, organic matters and methane in the solid and liquid garbage, and realizes sustainable development and utilization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a harmless comprehensive disposal system and process for kitchen waste.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, a kitchen waste harmless comprehensive disposal system according to an embodiment of the present invention includes a material separator, a pulverizer, a screening tank, a filtering device, a heating tank, a centrifuge, an anaerobic tank, a purifying device, a mixer, an extraction tank, a drying tank, a fermentation device, and a storage tank, and is characterized in that the material separator is configured to separate bulk waste and liquid waste, the pulverizer is configured to pulverize the bulk waste, the screening tank is configured to screen out the bulk waste that is not thoroughly pulverized and send the bulk waste into the pulverizer again for pulverization, the mixer is configured to uniformly mix waste residue and refuse powder, the filtering device is configured to filter liquid and fine waste residue in the liquid waste, the heating tank is configured to heat the liquid waste and separate oil and water, the centrifuge is configured to separate waste and obtain oil, waste water, and residue, the anaerobic tank is configured to generate biogas from waste water, the waste water purification device is used for purifying waste water and enabling the waste water to reach standard discharge, the extraction tank is used for extracting organic matters in the waste powder, the drying tank is used for drying the organic matters and collecting and storing the organic matters, the fermentation device enables waste residue garbage to start fermentation to generate methane, and the storage gas tank is used for collecting the methane and facilitating later-stage unified transportation and management.
According to the scheme of the invention, biogas generated by the anaerobic tank is also collected by the storage gas tank, waste residue generated by the centrifugal machine is conveyed into the fermentation device, oil and water extracted by the extraction tank are conveyed into the heating pipe, the circulating device is arranged between the screening tank and the pulverizer and is used for re-pulverizing unprocessed and completely processed blocky garbage, and the water quality monitoring device is arranged in the purifying device.
The working principle is as follows: the food and beverage garbage is collected and poured into a material separating machine, the material separating machine can separate the food and beverage garbage into block garbage and liquid phase garbage for the first time, the solid phase garbage is crushed by a crusher, a screening tank adopts a layer-by-layer screening mode, the non-crushed block garbage with the diameter larger than a set value is screened out and conveyed into the crusher again for crushing to obtain crushed garbage, a stirrer is used for stirring and uniformly mixing the crushed garbage and waste residues, an extraction tank is a combined device of various common material separation devices and can separate oil, water, waste residues and organic matters from the garbage, a drying tank can dry the organic matters and remove water in the organic matters, the drying tank is convenient for later collection, storage and transportation, a fermentation tank device can accelerate the fermentation rate of the waste residues to generate a large amount of methane, the liquid garbage is filtered by a filtering device, the waste residues are conveyed into the stirrer, and the liquid garbage rich in, obtaining oil-water mixture through heating, separating out grease, waste residue and waste water through centrifuge, carrying out anaerobic reaction in the obtained waste water to the anaerobic jar, output marsh gas and waste water, leading-in purifier of waste water carries out purification treatment, discharges after up to standard, and storage gas pitcher collects marsh gas.
In summary, the following steps: the harmless comprehensive disposal system and the process for the kitchen waste realize the maximum recovery of grease and the maximum reduction, harmlessness and recycling of the disposal of the food waste. The material separator separates solid and liquid of the garbage, then processes the solid and liquid garbage respectively, extracts grease, organic matters and methane in the solid and liquid garbage, and realizes sustainable development and utilization.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A harmless comprehensive disposal system for kitchen waste comprises a material separator, a pulverizer, a screening tank, a filtering device, a heating tank, a centrifugal machine, an anaerobic tank, a purifying device, a stirring machine, an extraction tank, a drying tank, a fermenting device and a storage gas tank, and is characterized in that the material separator is used for separating blocky waste and liquid waste, the pulverizer is used for pulverizing blocky waste, the screening tank is used for screening the blocky waste which is not completely pulverized and sending the blocky waste into the pulverizer again for pulverization, the stirring machine is used for uniformly stirring waste residues and crushed waste, the filtering device is used for filtering liquid and fine waste residues in the liquid waste, the heating tank is used for heating the liquid waste and separating oil and water, the centrifugal machine is used for separating the waste to obtain grease, waste water and slag, the anaerobic tank can be used for generating methane from the waste water, and the purifying device is used for purifying the waste water, the extraction tank is used for extracting organic matters in the crushed garbage, the drying tank is used for drying the organic matters and collecting and storing the organic matters, the fermentation device is used for fermenting the waste residues and the garbage to generate methane, and the storage gas tank is used for collecting the methane and facilitating the later-stage unified transportation and management.
2. The harmless comprehensive disposal system of kitchen garbage according to claim 1, characterized in that the biogas generated by said anaerobic tank is also collected by a storage gas tank.
3. The harmless comprehensive disposal system of kitchen waste according to claim 1, characterized in that waste residue produced by said centrifuge is transported to a fermentation device.
4. The harmless comprehensive disposal system of kitchen waste according to claim 1, wherein the oil-water extracted by said extraction tank is transferred to a heating pipe.
5. The harmless comprehensive disposal system of kitchen waste according to claim 1, wherein a circulating device is installed between said screening tank and said pulverizer for performing re-pulverization operation on the incompletely processed massive waste.
6. The harmless comprehensive disposal system for kitchen waste according to claim 1, wherein a water quality monitoring device is installed in the purification device.
7. A harmless comprehensive disposal process for kitchen waste specifically comprises the following steps: collecting food and beverage garbage and pouring the food and beverage garbage into a material separating machine, separating the food and beverage garbage into block garbage and liquid garbage for the first time by the material separating machine, crushing the solid garbage by the crushing machine, screening the non-crushed block garbage with the diameter larger than a set value by a screening tank, conveying the non-crushed block garbage into the crushing machine again for crushing to obtain crushed garbage, uniformly stirring and mixing the crushed garbage and waste residues by a stirring machine, separating oil, water, waste residues and organic matters from an extraction tank, collecting the organic matters by a drying tank for storage, filtering the liquid garbage by a filtering device, conveying the waste residues into the stirring machine, injecting the liquid garbage rich in oil and water into a heating tank, heating to obtain an oil-water mixture, separating oil, waste residues and wastewater by a centrifugal machine, conveying the obtained wastewater into an anaerobic tank for anaerobic reaction, producing methane and wastewater, and guiding the wastewater into a purifying device for purification treatment, discharging after reaching the standard, and collecting the methane by a storage gas tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011496222.9A CN112676309A (en) | 2020-12-17 | 2020-12-17 | Harmless comprehensive disposal system and process for kitchen waste |
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| CN202011496222.9A CN112676309A (en) | 2020-12-17 | 2020-12-17 | Harmless comprehensive disposal system and process for kitchen waste |
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| CN112676309A true CN112676309A (en) | 2021-04-20 |
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| CN102794294A (en) * | 2012-07-17 | 2012-11-28 | 浙江省长三角循环经济技术研究院 | Treatment process for biological wastes |
| CN102989748A (en) * | 2012-12-12 | 2013-03-27 | 郑州金土地能源科技有限公司 | Method for recycling kitchen waste |
| CN105296165A (en) * | 2014-06-16 | 2016-02-03 | 中节能（北京）节能环保工程有限公司 | Comprehensive pre-treatment method of kitchen garbage and gutter oil |
| CN105666735A (en) * | 2015-07-17 | 2016-06-15 | 德州蓝德再生资源有限公司 | Food waste plastic sorting cleaning system and method |
| CN209613209U (en) * | 2019-02-10 | 2019-11-12 | 北京工商大学 | A kind of kitchen residue is automatically separated and the equipment of high-efficient homogeneous emulsification treatment |
| CN111229792A (en) * | 2020-03-15 | 2020-06-05 | 上海龙马环境科技有限公司 | Novel comprehensive treatment system and process for kitchen waste |
-
2020
- 2020-12-17 CN CN202011496222.9A patent/CN112676309A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001225047A (en) * | 2000-02-16 | 2001-08-21 | Toto Ltd | Method and device for methane fermentation treatment |
| JP2007326070A (en) * | 2006-06-09 | 2007-12-20 | Mitsubishi Heavy Ind Ltd | Waste treatment method and system |
| EP1884564A1 (en) * | 2006-08-01 | 2008-02-06 | Horst K. Eckard | Preparation of liquid manure and organic solids for a fermentation |
| CN102601101A (en) * | 2011-01-24 | 2012-07-25 | 北京中源创能工程技术有限公司 | Method for realizing innocent treatment and comprehensive utilization of kitchen waste |
| CN102268310A (en) * | 2011-07-05 | 2011-12-07 | 董雅清 | Method for preparing biomass fuel by utilizing food wastes |
| CN102794294A (en) * | 2012-07-17 | 2012-11-28 | 浙江省长三角循环经济技术研究院 | Treatment process for biological wastes |
| CN102989748A (en) * | 2012-12-12 | 2013-03-27 | 郑州金土地能源科技有限公司 | Method for recycling kitchen waste |
| CN105296165A (en) * | 2014-06-16 | 2016-02-03 | 中节能（北京）节能环保工程有限公司 | Comprehensive pre-treatment method of kitchen garbage and gutter oil |
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Application publication date: 20210420 |