CN116274260A - Kitchen waste comprehensive utilization system and method - Google Patents
Kitchen waste comprehensive utilization system and method Download PDFInfo
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- CN116274260A CN116274260A CN202310547461.XA CN202310547461A CN116274260A CN 116274260 A CN116274260 A CN 116274260A CN 202310547461 A CN202310547461 A CN 202310547461A CN 116274260 A CN116274260 A CN 116274260A
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- 239000010806 kitchen waste Substances 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 23
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 83
- 239000001257 hydrogen Substances 0.000 claims abstract description 81
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 81
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 74
- 239000004519 grease Substances 0.000 claims abstract description 66
- 238000000926 separation method Methods 0.000 claims abstract description 44
- 239000000126 substance Substances 0.000 claims description 42
- 239000002699 waste material Substances 0.000 claims description 27
- 238000001914 filtration Methods 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 25
- 230000029087 digestion Effects 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 19
- 238000009264 composting Methods 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 16
- 239000003792 electrolyte Substances 0.000 claims description 15
- 239000003337 fertilizer Substances 0.000 claims description 9
- 239000010865 sewage Substances 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000004065 wastewater treatment Methods 0.000 claims description 6
- 239000002351 wastewater Substances 0.000 claims description 5
- 238000005868 electrolysis reaction Methods 0.000 claims description 4
- 238000004064 recycling Methods 0.000 abstract description 5
- 239000010808 liquid waste Substances 0.000 description 5
- 239000002910 solid waste Substances 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000010794 food waste Substances 0.000 description 2
- 238000005984 hydrogenation reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000012041 food component Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 235000021190 leftovers Nutrition 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000002068 microbial inoculum Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/35—Shredding, crushing or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/60—Biochemical treatment, e.g. by using enzymes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/60—Biochemical treatment, e.g. by using enzymes
- B09B3/65—Anaerobic treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/70—Kitchen refuse; Food waste
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The application provides a kitchen garbage comprehensive utilization system and method, kitchen garbage comprehensive utilization system includes grease separation subsystem, hydrogen collection subsystem, hydrotreatment subsystem and oil collection subsystem, wherein: the grease separation subsystem is used for separating grease corresponding to kitchen waste; the hydrogen collecting subsystem is used for obtaining hydrogen generated during kitchen waste treatment; the hydrotreatment subsystem is respectively connected with the grease separation subsystem and the hydrogen collection subsystem and is used for obtaining grease and hydrogen and generating oil products based on the grease and the hydrogen; the oil collecting subsystem is connected with the hydrotreating subsystem and is used for collecting oil, so that oil with high added value can be produced after the oil produced by the oil separating system is hydrogenated, and the recycling efficiency of kitchen waste is improved.
Description
Technical Field
The application relates to the technical field of kitchen waste treatment, in particular to a kitchen waste comprehensive utilization system and method.
Background
Along with the acceleration of urban treatment and the increase of the temperature of the living standard of people, the kitchen waste discharge amount is increased increasingly, wherein most kitchen waste is not effectively recycled and utilized, so that serious resource waste and environmental safety hidden danger are caused, and simultaneously, great pressure and challenges are brought to the kitchen waste treatment industry.
Disclosure of Invention
The application provides a kitchen waste comprehensive utilization system and a kitchen waste comprehensive utilization method.
In one aspect, an embodiment of the application provides a kitchen waste comprehensive utilization system, the kitchen waste comprehensive utilization system includes grease separation subsystem, hydrogen collection subsystem, hydrotreatment subsystem and oil collection subsystem, wherein: the grease separation subsystem is used for separating grease corresponding to the kitchen waste; the hydrogen collecting subsystem is used for obtaining hydrogen generated during the treatment of the kitchen waste; the hydrotreating subsystem is respectively connected with the grease separation subsystem and the hydrogen collection subsystem and is used for obtaining the grease and the hydrogen and generating an oil product based on the grease and the hydrogen; the oil product collecting subsystem is connected with the hydrotreating subsystem and is used for collecting the oil product.
In an embodiment of the application, the kitchen waste comprehensive utilization system further comprises a sorting subsystem, a first filtering subsystem, a crushing subsystem, a first pretreatment subsystem, an anaerobic digestion subsystem, a second filtering subsystem, a second pretreatment subsystem and an electrolytic tank, wherein: the sorting subsystem is used for sorting the kitchen waste according to a preset sorting rule to obtain standby waste, wherein the sorting rule is determined based on the specification of the kitchen waste; the first filtering subsystem is respectively connected with the sorting subsystem and the grease separation subsystem and is used for receiving the standby garbage, carrying out solid-liquid separation on the standby garbage to obtain solid garbage and liquid garbage corresponding to the standby garbage, and transmitting the liquid garbage to the grease separation subsystem; the crushing subsystem is connected with the first filtering subsystem and is used for crushing the solid garbage to obtain crushed residue garbage; the first pretreatment subsystem is connected with the crushing subsystem and is used for adjusting the distribution of the available components in the residue garbage so as to obtain an adjusted first available substance; the anaerobic digestion subsystem is respectively connected with the first pretreatment subsystem and the hydrogen collection subsystem and is used for carrying out anaerobic digestion on the first available substance to obtain hydrogen and transmitting the hydrogen to the hydrogen collection subsystem; the second filtering subsystem is connected with the anaerobic digestion subsystem and is used for filtering the substances subjected to anaerobic digestion of the first available substances to obtain residual garbage; the second pretreatment subsystem is respectively connected with the grease separation subsystem and the second filtering subsystem and is used for adjusting the distribution of the available components of the liquid residual garbage in the residual garbage and the distribution of the available components in the sewage except the grease in the liquid garbage so as to obtain a second adjusted available substance; the electrolysis cell is respectively connected with the second pretreatment subsystem and the hydrogen collection subsystem and is used for electrolyzing the second available substance to obtain hydrogen and transmitting the hydrogen to the hydrogen collection subsystem.
In one embodiment of the present application, the system further comprises an aerobic composting subsystem, wherein: the aerobic composting subsystem is connected with the second filtering subsystem and is used for composting the solid residual garbage in the residual garbage so as to obtain the available fertilizer.
In one embodiment of the present application, the system further comprises a separation subsystem, wherein: the separation subsystem is connected with the electrolytic tank and is used for obtaining electrolyte after the electrolytic tank electrolyzes the second utilizable substance and separating acid substances from the electrolyte.
In one embodiment of the present application, the system further comprises a wastewater treatment subsystem, wherein: the wastewater treatment subsystem is connected with the separation subsystem and is used for treating wastewater in the electrolyte.
The application provides a kitchen garbage comprehensive utilization system, kitchen garbage comprehensive utilization system include grease separation subsystem, hydrogen collection subsystem, hydrotreatment subsystem and oil collection subsystem, wherein: the grease separation subsystem is used for separating grease corresponding to kitchen waste; the hydrogen collecting subsystem is used for obtaining hydrogen generated during kitchen waste treatment; the hydrotreatment subsystem is respectively connected with the grease separation subsystem and the hydrogen collection subsystem and is used for obtaining grease and hydrogen and generating oil products based on the grease and the hydrogen; the oil collecting subsystem is connected with the hydrotreating subsystem and is used for collecting oil, so that oil with high added value can be produced after the oil produced by the oil separating system is hydrogenated, and the recycling efficiency of kitchen waste is improved.
In another aspect, an embodiment of the present application provides a method for comprehensive utilization of kitchen waste, where the method includes: separating grease corresponding to the kitchen waste; obtaining hydrogen generated during kitchen waste treatment; generating an oil product based on the grease and the hydrogen; and collecting the oil product.
In one embodiment of the present application, the method further comprises: the method further comprises the steps of: sorting the kitchen waste based on the specification of the kitchen waste to obtain standby waste; performing solid-liquid separation on the standby garbage to obtain solid garbage and liquid garbage corresponding to the standby garbage; crushing the solid garbage to obtain crushed residue garbage; adjusting the distribution of the available components in the residue waste to obtain an adjusted first available material; anaerobically digesting the first utilizable substance to obtain hydrogen; filtering the substances subjected to anaerobic digestion of the first utilizable substances to obtain residual garbage; regulating the distribution of the liquid residual garbage in the residual garbage and the available components in the sewage except the grease in the liquid garbage to obtain a regulated second available substance; and electrolyzing the second available substance to obtain hydrogen.
In one embodiment of the present application, the method further comprises: composting the solid residual garbage in the residual garbage to obtain the available fertilizer.
In one embodiment of the present application, the method further comprises: and obtaining an electrolyte after electrolyzing the second utilizable substance, and separating an acid substance from the electrolyte.
In one embodiment of the present application, the method further comprises: and (3) sewage treatment is carried out on the wastewater in the electrolyte.
The application provides a comprehensive utilization method of kitchen waste, which separates grease corresponding to the kitchen waste; obtaining hydrogen generated during kitchen waste treatment; generating an oil product based on grease and hydrogen; and collecting oil products, so that the oil products with high added values can be produced based on the grease corresponding to the kitchen waste after hydrogenation, and the recycling efficiency of the kitchen waste is improved.
Other effects of the above alternative will be described below in connection with specific embodiments.
Drawings
FIG. 1 is a schematic diagram of a kitchen waste comprehensive utilization system according to an embodiment of the present application;
fig. 2 is a schematic flow chart of a comprehensive utilization method of kitchen waste according to an embodiment of the present application.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application.
The kitchen waste comprehensive utilization system of the embodiment of the application is described below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a kitchen waste comprehensive utilization system according to an embodiment of the present application.
As shown in fig. 1, the comprehensive kitchen waste utilization system 100 comprises a grease separation subsystem 101, a hydrogen collection subsystem 102, a hydrotreating subsystem 103 and an oil collection subsystem 104.
Optionally, the grease separation subsystem 101 is configured to separate grease corresponding to kitchen waste.
In some embodiments, the grease separation subsystem 101 may separate grease from liquid waste after sorting and solid-liquid separation of kitchen waste.
Optionally, the hydrogen collection subsystem 102 is used to obtain hydrogen generated during kitchen waste disposal.
In some embodiments, the hydrogen gas generated during the treatment of the kitchen waste may include, but is not limited to, hydrogen gas generated by anaerobic digestion and electrolysis, and the embodiment is not particularly limited thereto.
In addition, after the hydrogen collection subsystem 102 collects the hydrogen generated during the treatment of kitchen waste, the hydrogen can be purified and pressurized for direct sale or directly mixed into a natural gas pipeline to meet the self-use requirement.
Optionally, the hydrotreatment subsystem 103 is connected to the grease separation subsystem 101 and the hydrogen collection subsystem 102, respectively, for obtaining grease and hydrogen and generating an oil based on the grease and hydrogen.
In some embodiments, in the hydrotreating subsystem 103, the oil produced by the oil separation subsystem 101 is hydrogenated and then subjected to oil modulation to obtain an oil with a high added value.
The oil may be blend oil, but is not limited thereto.
Optionally, an oil collection subsystem 104 is coupled to the hydrotreating subsystem 103 for collecting oil.
In some embodiments, after the oil is collected, the oil is stored at a low temperature to ensure the quality of the oil.
As shown in fig. 1, the comprehensive kitchen waste utilization system 100 further includes a sorting subsystem 105, a first filtering subsystem 106, a crushing subsystem 107, a first pretreatment subsystem 108, an anaerobic digestion subsystem 109, a second filtering subsystem 110, a second pretreatment subsystem 111, and an electrolytic tank 112.
Optionally, the sorting subsystem 105 is configured to sort the kitchen waste according to a preset sorting rule to obtain the standby waste, where the sorting rule is determined based on the specification of the kitchen waste.
It is understood that the specification of the kitchen waste can be determined based on the size of the kitchen waste and the material of the kitchen waste, but is not limited thereto.
In some embodiments, if the preset sorting rule is determined by the size of the kitchen waste and the material of the kitchen waste, sorting the kitchen waste according to the preset sorting rule to obtain the standby waste, where the sorting and removing are performed on the materials such as plastic, bone and glass which are difficult to digest, so as to obtain the standby waste.
The kitchen waste may be a kitchen waste, specifically, the kitchen waste may include, but is not limited to, food residues such as restaurants, unit canteens, household daily life and the like, food offal, leftovers, meat, grease, vegetables, melons and fruits, and the embodiment is not particularly limited thereto.
Optionally, as shown in fig. 1, the first filtering subsystem 106 is connected to the sorting subsystem 105 and the grease subsystem 101, respectively, and is configured to receive the spare waste, perform solid-liquid separation on the spare waste to obtain solid waste and liquid waste corresponding to the spare waste, and transmit the liquid waste to the grease subsystem 101.
In some embodiments, the solid waste may be some food residues, and the liquid waste may be grease or sewage, but is not limited thereto.
Optionally, as shown in fig. 1, a crushing subsystem 107 is connected to the first filtering subsystem 106 for crushing the solid waste to obtain crushed residue waste.
In some embodiments, to improve the availability of the residue waste, the solid waste may be crushed to a small size, for example, the solid waste may be crushed to 1-2cm or less, but not limited thereto.
Optionally, as shown in fig. 1, a first pretreatment subsystem 108 is coupled to the crushing subsystem 107 for regulating the distribution of the available components of the residual waste to obtain a regulated first available material.
In some embodiments, the distribution of the available components in the residual waste may be a distribution of organic nutritional components in the residual waste.
One embodiment of the first pretreatment subsystem 108 for adjusting the distribution of the available components in the residue garbage to obtain the adjusted first available materials may be that the residue garbage is subjected to heat treatment at 80-200 ℃ for 30-120 minutes in the first pretreatment subsystem 108 to adjust the distribution of the organic nutrient components, so as to realize the conversion of the substances such as floatable oil, saccharides and the like in the kitchen garbage, thereby obtaining the converted first available materials, and further improving the bioavailability and anaerobic digestion efficiency of the kitchen garbage.
Wherein, the medium of the heat treatment of the residue garbage at 80-200 ℃ can adopt hot flue gas (the hot flue gas can adopt flue gas tail gas of a kitchen) or steam, and the embodiment is not particularly limited to the embodiment.
Optionally, as shown in fig. 1, an anaerobic digestion subsystem 109 is coupled to the first pretreatment subsystem 108 and the hydrogen collection subsystem 102, respectively, for anaerobically digesting the first available material to obtain hydrogen and delivering the hydrogen to the hydrogen collection subsystem 102.
In some embodiments, the anaerobic digestion subsystem 109 performs anaerobic digestion on the first available substance to obtain hydrogen, and one implementation way of obtaining hydrogen may be that after the first available substance pretreated by the first pretreatment subsystem 108 is cooled to 30-50 ℃, the first available substance and the anaerobic digestion microbial agent are integrated into the anaerobic digestion subsystem 109, and the anaerobic digestion parameters are controlled to realize hydrogen production.
Among them, in order to increase the yield of hydrogen gas, the anaerobic digestion time may be precisely controlled, and in particular, the anaerobic digestion time may be 12 to 36 hours, but is not limited thereto.
Optionally, as shown in fig. 1, a second filtering subsystem 110 is connected to the anaerobic digestion subsystem 109 for filtering the anaerobically digested material of the first utilizable material to obtain residual waste.
In some embodiments, the anaerobically digested material of the first utilizable material may be subjected to a coarse separation (solid-liquid separation) to filter out residual waste, wherein the residual waste includes solid residual waste and liquid residual waste.
Optionally, as shown in fig. 1, the second pretreatment subsystem 111 is connected to the grease separation subsystem 101 and the second filtration subsystem 110, respectively, for adjusting the distribution of the available components of the liquid residual waste in the residual waste and the distribution of the available components of the sewage other than grease in the liquid waste, so as to obtain the adjusted second available material.
In some embodiments, the second pretreatment subsystem 111 may be the same as or different from the first pretreatment subsystem 108, specifically, in the case that the second pretreatment subsystem 111 is the same as the first pretreatment subsystem 108, the liquid residual garbage and the liquid garbage in the residual garbage are subjected to heat treatment at 80-200 ℃ for 30-120 minutes in the second pretreatment subsystem 111 so as to adjust the distribution of organic nutrients, thereby realizing the conversion of floatable oil, saccharides and other substances in the kitchen garbage and obtaining the converted second available substance.
Wherein the second utilizable substance may be a grease-water mixture.
Optionally, as shown in FIG. 1, an electrolyzer 112 is connected to the second pretreatment subsystem 111 and the hydrogen collection subsystem 102, respectively, for electrolyzing the second available material to obtain hydrogen and delivering the hydrogen to the hydrogen collection subsystem 102.
In some embodiments, hydrogen is obtained by electrolysis of the second available substance, reducing the chemical oxygen demand (Chemical Oxygen Demand, COD) of the second available substance (the fat-water mixture).
Optionally, as shown in fig. 1, the kitchen waste comprehensive utilization system 100 further includes an aerobic composting subsystem 113, where the aerobic composting subsystem 113 is connected to the second filtering subsystem 110, and is used for composting solid residual waste in the residual waste to obtain available fertilizer.
In some embodiments, the aerobic composting subsystem 113 is used for composting solid residual garbage in the residual garbage, so that one implementation of the available fertilizer can be that the solid residual garbage and the microbial inoculum are fed into the aerobic composting subsystem 113 together, and the technological parameters are controlled based on the aerobic composting subsystem 113, so that efficient production of the fertilizer is realized, and the fertilizer is directly marketed.
Wherein, the control process parameters of the aerobic composting subsystem 113 can be 10-30 ℃ in the low temperature period, 20-50 ℃ in the medium temperature period and 60-80 ℃ in the high temperature period, and the embodiment is not limited in particular.
In addition, the available fertilizer may be an organic fertilizer, but is not limited thereto.
Optionally, as shown in fig. 1, the integrated kitchen waste utilization system 100 further includes a separation subsystem 114, where the separation subsystem 114 is connected to the electrolytic tank 112, and is configured to obtain an electrolyte after the electrolytic tank 112 electrolyzes the second utilizable material, and separate the acid material from the electrolyte.
Wherein the acid substance may include, but is not limited to, alcohols, ketones, ethers, etc., and the embodiment is not particularly limited thereto.
Optionally, as shown in fig. 1, the comprehensive kitchen waste utilization system 100 further includes a wastewater treatment subsystem 115, where the wastewater treatment subsystem 115 is connected to the separation subsystem 114, and is used for treating wastewater in the electrolyte.
In summary, in the kitchen waste comprehensive utilization system 100, the subsystems may be connected through a pipeline, but not limited thereto, and the embodiment is not limited thereto.
The application provides a kitchen garbage comprehensive utilization system, kitchen garbage comprehensive utilization system include grease separation subsystem, hydrogen collection subsystem, hydrotreatment subsystem and oil collection subsystem, wherein: the grease separation subsystem is used for separating grease corresponding to kitchen waste; the hydrogen collecting subsystem is used for obtaining hydrogen generated during kitchen waste treatment; the hydrotreatment subsystem is respectively connected with the grease separation subsystem and the hydrogen collection subsystem and is used for obtaining grease and hydrogen and generating oil products based on the grease and the hydrogen; the oil collecting subsystem is connected with the hydrotreating subsystem and is used for collecting oil, so that oil with high added value can be produced after the oil produced by the oil separating system is hydrogenated, and the recycling efficiency of kitchen waste is improved.
In order to understand the application more clearly, the application also provides a flow diagram of the kitchen waste comprehensive utilization method, as shown in fig. 2.
As shown in fig. 2, the comprehensive utilization method of kitchen waste comprises the following steps:
and 201, separating grease corresponding to kitchen waste.
And 203, generating an oil product based on the grease and the hydrogen.
And 204, collecting oil products.
The application provides a comprehensive utilization method of kitchen waste, which separates grease corresponding to the kitchen waste; obtaining hydrogen generated during kitchen waste treatment; generating an oil product based on grease and hydrogen; and collecting oil products, so that the oil products with high added values can be produced based on the grease corresponding to the kitchen waste after hydrogenation, and the recycling efficiency of the kitchen waste is improved.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (10)
1. The utility model provides a kitchen garbage comprehensive utilization system which characterized in that, kitchen garbage comprehensive utilization system includes grease separation subsystem, hydrogen collection subsystem, hydrotreatment subsystem and oil collection subsystem, wherein:
the grease separation subsystem is used for separating grease corresponding to the kitchen waste;
the hydrogen collecting subsystem is used for obtaining hydrogen generated during the treatment of the kitchen waste;
the hydrotreating subsystem is respectively connected with the grease separation subsystem and the hydrogen collection subsystem and is used for obtaining the grease and the hydrogen and generating an oil product based on the grease and the hydrogen;
the oil product collecting subsystem is connected with the hydrotreating subsystem and is used for collecting the oil product.
2. The comprehensive kitchen waste utilization system of claim 1, further comprising a sorting subsystem, a first filtering subsystem, a crushing subsystem, a first pretreatment subsystem, an anaerobic digestion subsystem, a second filtering subsystem, a second pretreatment subsystem, an electrolytic cell, wherein:
the sorting subsystem is used for sorting the kitchen waste according to a preset sorting rule to obtain standby waste, wherein the sorting rule is determined based on the specification of the kitchen waste;
the first filtering subsystem is respectively connected with the sorting subsystem and the grease separation subsystem and is used for receiving the standby garbage, carrying out solid-liquid separation on the standby garbage to obtain solid garbage and liquid garbage corresponding to the standby garbage, and transmitting the liquid garbage to the grease separation subsystem;
the crushing subsystem is connected with the first filtering subsystem and is used for crushing the solid garbage to obtain crushed residue garbage;
the first pretreatment subsystem is connected with the crushing subsystem and is used for adjusting the distribution of the available components in the residue garbage so as to obtain an adjusted first available substance;
the anaerobic digestion subsystem is respectively connected with the first pretreatment subsystem and the hydrogen collection subsystem and is used for carrying out anaerobic digestion on the first available substance to obtain hydrogen and transmitting the hydrogen to the hydrogen collection subsystem;
the second filtering subsystem is connected with the anaerobic digestion subsystem and is used for filtering the substances subjected to anaerobic digestion of the first available substances to obtain residual garbage;
the second pretreatment subsystem is respectively connected with the grease separation subsystem and the second filtering subsystem and is used for adjusting the distribution of the available components of the liquid residual garbage in the residual garbage and the distribution of the available components in the sewage except the grease in the liquid garbage so as to obtain a second adjusted available substance;
the electrolysis cell is respectively connected with the second pretreatment subsystem and the hydrogen collection subsystem and is used for electrolyzing the second available substance to obtain hydrogen and transmitting the hydrogen to the hydrogen collection subsystem.
3. The comprehensive kitchen waste utilization system according to claim 2, further comprising an aerobic composting subsystem, wherein:
the aerobic composting subsystem is connected with the second filtering subsystem and is used for composting the solid residual garbage in the residual garbage so as to obtain the available fertilizer.
4. The comprehensive kitchen waste utilization system of claim 2, further comprising a separation subsystem, wherein:
the separation subsystem is connected with the electrolytic tank and is used for obtaining electrolyte after the electrolytic tank electrolyzes the second utilizable substance and separating acid substances from the electrolyte.
5. The comprehensive utilization system of kitchen waste according to claim 4, further comprising a wastewater treatment subsystem, wherein:
the wastewater treatment subsystem is connected with the separation subsystem and is used for treating wastewater in the electrolyte.
6. The comprehensive kitchen waste utilization method is characterized by comprising the following steps:
separating grease corresponding to the kitchen waste;
obtaining hydrogen generated during kitchen waste treatment;
generating an oil product based on the grease and the hydrogen;
and collecting the oil product.
7. The comprehensive utilization method of kitchen waste according to claim 6, further comprising:
sorting the kitchen waste based on the specification of the kitchen waste to obtain standby waste;
performing solid-liquid separation on the standby garbage to obtain solid garbage and liquid garbage corresponding to the standby garbage;
crushing the solid garbage to obtain crushed residue garbage;
adjusting the distribution of the available components in the residue waste to obtain an adjusted first available material;
anaerobically digesting the first utilizable substance to obtain hydrogen;
filtering the substances subjected to anaerobic digestion of the first utilizable substances to obtain residual garbage;
regulating the distribution of the liquid residual garbage in the residual garbage and the available components in the sewage except the grease in the liquid garbage to obtain a regulated second available substance;
and electrolyzing the second available substance to obtain hydrogen.
8. The comprehensive utilization method of kitchen waste according to claim 7, further comprising:
composting the solid residual garbage in the residual garbage to obtain the available fertilizer.
9. The comprehensive utilization method of kitchen waste according to claim 7, further comprising:
and obtaining an electrolyte after electrolyzing the second utilizable substance, and separating an acid substance from the electrolyte.
10. The comprehensive utilization method of kitchen waste according to claim 9, further comprising:
and (3) sewage treatment is carried out on the wastewater in the electrolyte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310547461.XA CN116274260B (en) | 2023-05-16 | 2023-05-16 | Kitchen waste comprehensive utilization system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310547461.XA CN116274260B (en) | 2023-05-16 | 2023-05-16 | Kitchen waste comprehensive utilization system and method |
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| Publication Number | Publication Date |
|---|---|
| CN116274260A true CN116274260A (en) | 2023-06-23 |
| CN116274260B CN116274260B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310547461.XA Active CN116274260B (en) | 2023-05-16 | 2023-05-16 | Kitchen waste comprehensive utilization system and method |
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| JP2006175406A (en) * | 2004-12-24 | 2006-07-06 | Obihiro Univ Of Agriculture & Veterinary Medicine | Processing method and processing apparatus of organic waste |
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