CN113319107A - Automatic kitchen waste treatment device and method - Google Patents
Automatic kitchen waste treatment device and method Download PDFInfo
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- CN113319107A CN113319107A CN202110766562.7A CN202110766562A CN113319107A CN 113319107 A CN113319107 A CN 113319107A CN 202110766562 A CN202110766562 A CN 202110766562A CN 113319107 A CN113319107 A CN 113319107A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B2101/00—Type of solid waste
- B09B2101/02—Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators
Abstract
The invention provides an automatic kitchen waste treatment device and a method, wherein the device comprises a sorting unit, a squeezing and crushing unit, a biochemical drying unit, a heating unit, a first waste liquid treatment unit, a second waste liquid treatment unit and a circulating unit, wherein the sorting unit is used for sorting kitchen waste to separate the kitchen waste into solid waste and waste liquid, the squeezing and crushing unit is used for compressing the solid crushed waste, and the biochemical drying unit and the heating unit are used for performing biochemical drying treatment on the solid waste; the first waste liquid treatment unit and the second waste liquid treatment unit carry out secondary separation to the waste liquid, and the circulation unit is used for carrying the waste liquid after the secondary separation to letter sorting unit to wash the kitchen garbage in the letter sorting unit and mix the bacterial. The invention can realize the oil separation and recovery, the biochemical degradation reduction and the drying dehydration reduction of the kitchen waste without external strains, thereby reducing the water content of discharged solid slag and avoiding the environmental pollution caused by leakage in the transportation process.
Description
Technical Field
The invention relates to the technical field of garbage treatment, in particular to an automatic kitchen garbage treatment device and an automatic kitchen garbage treatment method.
Background
The improvement of people's living standard brings the flourishing development of catering trade, and a large amount of kitchen garbage produces thereupon simultaneously, and kitchen garbage mainly includes solid leftovers, the waste oil of liquid and water etc. but has a lot of oil-water mixture in the life and has not obtained reasonable recycle, has oil and water in the kitchen discarded object in the dining room for example, if direct abandonment not only can cause the waste of resource, still can cause environmental pollution.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. Therefore, a first object of the present invention is to provide an automatic kitchen waste treatment device, which can achieve biochemical degradation reduction and drying dehydration reduction of kitchen waste without external strains, thereby reducing the water content of discharged solid residues, facilitating the transportation of discharged solid residues, and avoiding environment pollution caused by dripping during transportation.
The second purpose of the invention is to provide an automatic treatment method of the kitchen waste.
In order to achieve the above object, an embodiment of a first aspect of the present invention provides an automatic kitchen waste processing device, including: the sorting unit is used for separating solid waste and waste liquid in the kitchen waste; the squeezing and crushing unit is connected with the sorting unit and is used for carrying out compression, draining and crushing treatment on the solid garbage so as to separate the solid garbage into solid slag and waste liquid; the biochemical drying unit is connected with the squeezing and crushing unit and is used for performing biochemical treatment and drying treatment on the solid slag; the heating unit is connected with the biochemical drying unit and is used for providing biochemical temperature required by the biochemical drying unit for biochemical treatment and drying temperature required by the biochemical drying unit for drying treatment; the first waste liquid treatment unit is respectively connected with the sorting unit and the squeezing and crushing unit and is used for separating waste liquid discharged by the sorting unit and the squeezing and crushing unit; the second waste liquid treatment unit is connected with the first waste liquid treatment unit and is used for carrying out secondary separation on waste liquid in the first waste liquid treatment unit; and the circulating unit is respectively connected with the sorting unit, the first waste liquid treatment unit and the second waste liquid treatment unit, and is used for introducing the waste liquid after separation in the first waste liquid treatment unit and the second waste liquid treatment unit into the sorting unit so as to wash the kitchen waste and mix biochemical reaction strains in the kitchen waste.
According to the embodiment of the invention, the automatic kitchen waste treatment device is provided with the sorting unit, the squeezing and crushing unit, the biochemical drying unit, the heating unit, the first waste liquid treatment unit, the second waste liquid treatment unit and the circulating unit, wherein the kitchen waste is sorted by the sorting unit and separated into the solid waste and the waste liquid, the solid waste is compressed by the squeezing and crushing unit, the biochemical drying treatment and the drying treatment are further carried out on the solid waste by the biochemical drying unit and the heating unit, in addition, the waste liquid is subjected to secondary separation and COD degradation by the first waste liquid treatment unit and the second waste liquid treatment unit, the kitchen waste in the sorting unit is washed by the waste liquid after the secondary separation by the circulating unit and is doped with strains, therefore, the biochemical degradation reduction and drying dehydration reduction of the kitchen waste can be realized without external strains, thereby can reduce the moisture content of the solid sediment of discharge, the transportation of the solid sediment of discharge of can being convenient for to can avoid the water clock polluted environment on the way in the transportation, in addition, through secondary oil water separation, can fully separate out the waste oil grease among the kitchen garbage, thereby recovery oil that can be better, and can also be with the waste liquid recycling after the separation and discharge up to standard.
In addition, the automatic kitchen waste treatment device provided by the embodiment of the invention can also have the following additional technical characteristics:
further, kitchen garbage automatic processing apparatus, still include: the heat recovery unit is respectively connected with the biochemical drying unit, the heating unit and the first waste liquid treatment unit, and is used for recovering heat generated by the biochemical drying unit and the first waste liquid treatment unit and sending the recovered heat to the heating unit; and the deodorization unit is respectively connected with the sorting unit, the first waste liquid treatment unit, the second waste liquid treatment unit and the heat recovery unit, and is used for purifying the exhaust of the sorting unit, the first waste liquid treatment unit, the second waste liquid treatment unit and the heat recovery unit.
According to one embodiment of the invention, the sorting unit comprises: the sorting tray is arranged according to a set inclination angle; the magnetic draining plate is arranged corresponding to the discharge end of the sorting disc according to the set inclination angle and is used for separating magnetic substances in the kitchen waste and solid waste and waste liquid in the kitchen waste; the coarse material discharger is arranged corresponding to the discharge end of the magnetic draining plate and is used for stripping coarse materials in the solid garbage so as to separate the solid garbage into coarse materials and solid materials to be treated; the coarse material discharging hopper is arranged corresponding to the coarse material discharging end of the coarse material discharger and is used for collecting stripped coarse materials in the solid garbage; the solid material discharging hopper is arranged corresponding to the solid material discharging end of the coarse material discharger and is used for collecting the solid materials to be treated separated from the solid garbage; and the sorting gas-collecting hood is arranged on the sorting disc and the magnetic draining plate.
According to one embodiment of the present invention, the press pulverizing unit includes: the feeding end of the auger conveyor is arranged below the solid material discharging hopper, and the auger conveyor is used for receiving and compressing the solid materials to be processed, which are collected by the solid material discharging hopper; the pressure type drainer is arranged at the discharge end of the auger conveyor and is used for discharging waste liquid in the solid garbage compressed by the auger conveyor; the auger discharge hopper is arranged corresponding to the discharge end of the auger conveyor and is used for receiving the solid garbage treated by the pressure type drainer; the crusher is arranged in the auger discharge hopper and used for crushing the solid garbage in the auger discharge hopper into solid slag.
According to an embodiment of the present invention, the biochemical drying unit includes: the dryer main body is arranged corresponding to the discharge end of the auger discharge hopper and is used for receiving solid slag discharged by the auger discharge hopper; the dryer stirrer is arranged in the dryer main body and is used for stirring the solid slag so as to carry out sufficient biochemical treatment on the solid slag; the dryer heater is arranged outside the dryer main body and used for providing biochemical temperature required by biochemical treatment and drying temperature required by drying treatment; the dryer gas-collecting hood is arranged on the dryer main body and communicated with the dryer main body; the moisture content tester is arranged in the dryer main body and used for detecting the moisture content of solid slag in the dryer main body.
According to one embodiment of the invention, the heating unit comprises: a heat conduction oil groove; the heat conduction oil circulating pump is connected with the heat conduction oil groove and is used for conveying and circulating heat conduction oil in the heat conduction oil groove; the heat conduction oil heater is connected with the heat conduction oil circulating pump and is used for instantly heating the heat conduction oil circulated by the heat conduction oil circulating pump to convey the circulated heat conduction oil; and the heat conduction oil thermometer is arranged corresponding to the heat conduction oil heater and used for detecting the temperature of the heat conduction oil immediately heated by the heat conduction oil heater in real time.
According to one embodiment of the invention, the first waste liquid treatment unit comprises: the oxidizing bin body is respectively connected with the sorting unit and the squeezing and crushing unit and is used for receiving waste liquid discharged by the sorting unit and the squeezing and crushing unit; the strain feeding port is arranged on the upper layer of the oxidation bin body and used for feeding biochemical treatment strains into the oxidation bin body; the oxygen aeration fan is arranged outside the oxidation bin body; the aerator is arranged on the lower layer of the oxidation bin body and is connected with the oxygen aeration fan, and the aerator is used for aerating and oxygenating the waste liquid in the oxidation bin body so as to enable the waste liquid COD in the oxidation bin body to be subjected to biochemical degradation and solid-liquid and oil stain separation.
According to one embodiment of the invention, the second waste liquid treatment unit comprises: the electrolytic disinfection cabin body is connected with the oxidation cabin body and is used for receiving the waste liquid separated in the oxidation cabin body; the bactericide feeding port is arranged on the upper layer of the electrolytic disinfection cabin body and used for feeding bactericide into the electrolytic disinfection cabin body; the electrolyzer is arranged on the lower layer of the electrolytic disinfection cabin body and is used for carrying out secondary waste oil separation, oxidative degradation of waste liquid COD and sterilization on waste liquid in the electrolytic disinfection cabin body.
According to one embodiment of the invention, the heat recovery unit comprises: a heat recovery main machine; the oxidation bin exhaust heat exchanger is communicated with the upper layer of the oxidation bin body; the dryer exhaust heat exchanger is communicated with the dryer gas-collecting hood; and the heat conduction oil groove heat exchanger is arranged corresponding to the heat conduction oil groove.
In order to achieve the above object, a second aspect of the present invention provides an automatic kitchen waste processing method based on the automatic kitchen waste processing device of the above embodiment, including the following steps: separating solid waste and waste liquid in the kitchen waste through the sorting unit; compressing, draining and crushing the solid garbage through the squeezing and crushing unit to separate the solid garbage into solid slag and waste liquid; performing biochemical treatment and drying treatment on the solid slag through the biochemical drying unit; providing the biochemical temperature required by the biochemical treatment of the biochemical drying unit and the drying temperature required by the drying treatment by the heating unit; separating and recovering waste oil and fat through the first waste liquid treatment unit and biochemically treating waste liquid discharged by the sorting unit and the squeezing and crushing unit; performing secondary oil stain separation, secondary biochemical degradation and sterilization on the waste liquid in the first waste liquid treatment unit through the second waste liquid treatment unit; and introducing the waste liquid separated in the first waste liquid treatment unit and the second waste liquid treatment unit into the sorting unit through the circulating unit so as to wash the kitchen waste and mix biochemical reaction strains into the kitchen waste.
According to the automatic kitchen waste treatment method provided by the embodiment of the invention, the kitchen waste is sorted by the sorting unit and separated into solid waste and waste liquid, the solid crushed waste is compressed by the pressing and crushing unit, the solid waste is subjected to biochemical and drying treatment by the biochemical drying unit and the heating unit, in addition, the waste liquid is subjected to secondary separation and COD degradation by the first waste liquid treatment unit and the second waste liquid treatment unit, the waste liquid after secondary separation is used for washing the kitchen waste in the sorting unit and is doped with strains by the circulating unit, therefore, biochemical degradation reduction and drying dehydration reduction of the kitchen waste can be realized without external strains, the water content of discharged solid slag can be reduced, the transportation of the discharged solid slag can be facilitated, the environment pollution caused by dripping leakage in the transportation process can be avoided, in addition, through secondary oil-water separation, can fully separate out the waste oil in the kitchen garbage to recovery oil that can be better, and can also be with the waste liquid cyclic utilization after the separation and discharge to reach standard.
Drawings
Fig. 1 is a schematic connection diagram of an automatic kitchen waste treatment device according to an embodiment of the present invention;
fig. 2 is a schematic connection diagram of an automatic kitchen waste treatment device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an automatic kitchen waste treatment device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a sorting unit according to an embodiment of the present invention;
fig. 5 is a flowchart of an automatic kitchen waste treatment method according to an embodiment of the present invention.
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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic connection diagram of an automatic kitchen waste treatment device according to an embodiment of the present invention.
As shown in fig. 1, the automatic kitchen waste treatment device according to the embodiment of the present invention includes a sorting unit 10, a squeezing and crushing unit 20, a biochemical drying unit 30, a heating unit 40, a first waste liquid treatment unit 50, a second waste liquid treatment unit 60, and a circulation unit 70. The sorting unit 10 is used for separating solid waste and waste liquid in the kitchen waste; the squeezing and crushing unit 20 is connected with the sorting unit 10, and the squeezing and crushing unit 20 is used for carrying out compression, draining and crushing treatment on the solid garbage so as to separate the solid garbage into solid slag and waste liquid; the biochemical drying unit 30 is connected with the squeezing and crushing unit 20, and the biochemical drying unit 30 is used for performing biochemical treatment and drying treatment on the solid slag; the heating unit 40 is connected with the biochemical drying unit 30, and the heating unit 40 is used for providing biochemical temperature required by the biochemical drying unit 30 for biochemical treatment and drying temperature required by drying treatment; the first waste liquid treatment unit 50 is respectively connected with the sorting unit 10 and the squeezing and crushing unit 20, and the first waste liquid treatment unit 50 is used for separating and recovering waste oil and fat and biochemically treating waste liquid discharged by the sorting unit 10 and the squeezing and crushing unit 20; the second waste liquid treatment unit 60 is connected with the first waste liquid treatment unit 50, and the second waste liquid treatment unit 60 is used for performing secondary oil stain separation, secondary biochemical degradation and sterilization on waste liquid in the first waste liquid treatment unit 50; the circulation unit 70 is respectively connected with the sorting unit 10, the first waste liquid treatment unit 50 and the second waste liquid treatment unit 60, and the circulation unit 70 is used for introducing the waste liquid separated in the first waste liquid treatment unit 50 and the second waste liquid treatment unit 60 into the sorting unit so as to flush the kitchen waste and mix biochemical reaction strains in the kitchen waste. Wherein the waste liquid is a mixture of sewage and waste grease.
Further, as shown in fig. 2, the automatic kitchen waste treatment device according to the embodiment of the present invention further includes a heat recovery unit 80 and a deodorization unit 90. The heat recovery unit 80 is respectively connected with the biochemical drying unit 30, the heating unit 40 and the first waste liquid treatment unit 50, and the heat recovery unit 80 is used for recovering heat generated by the biochemical drying unit 30 and the first waste liquid treatment unit 50 and sending the recovered heat to the heating unit 40; the deodorization unit 90 is connected to the sorting unit 10, the first waste liquid treatment unit 50, the second waste liquid treatment unit 60, and the heat recovery unit 80, respectively, and the deodorization unit 90 is used to purify the exhaust gas of the sorting unit 10, the first waste liquid treatment unit 50, the second waste liquid treatment unit 60, and the heat recovery unit 80. Through setting up heat recovery unit and deodorization unit, can retrieve the heat that a large amount of devices produced, only need supply a small amount of electric energy to can discharge after reaching emission standard with exhaust-gas treatment.
In one embodiment of the present invention, as shown in fig. 3, the sorting unit 10 may include a sorting tray 101, a magnetic draining plate 102, a coarse hopper 103, a coarse hopper 104, a solids hopper 105, and a sorting plenum 106. Specifically, as shown in fig. 3, the sorting tray 101 may be set according to a set inclination angle, so that the kitchen waste on the sorting tray 101 may move in the inclination direction; the magnetic draining plate 102 can also be arranged corresponding to the discharge end of the sorting disc 101 according to a set inclination angle, and the magnetic draining plate 102 can be used for separating magnetic substances in the kitchen waste and solid waste and waste liquid in the kitchen waste; the coarse material discharger 103 can be arranged corresponding to the discharge end of the magnetic draining plate 102, and the coarse material discharger 103 can be used for stripping coarse materials in the solid garbage so as to separate the solid garbage into coarse materials and solid materials to be treated; the coarse material discharging hopper 104 can be arranged corresponding to the coarse material discharging end of the coarse material discharging device 103, and the coarse material discharging hopper 104 can be used for collecting stripped coarse materials in the solid garbage; the solid material discharging hopper 105 is arranged corresponding to the solid material discharging end of the coarse material discharging device 103, and the solid material discharging hopper 105 is used for collecting solid materials to be treated separated from the solid garbage; sorting gas collection hoods 106 may be disposed on sorting trays 101 and magnetic drainage plates 102.
More specifically, as shown in fig. 3 and 4, the magnetic draining plate 102 may be a porous or multi-slit magnetic draining plate, and a waste liquid collecting groove a1 and a drain pipe b1 may be further provided below the magnetic draining plate 102, so that the kitchen waste passing through the magnetic draining plate 102 may be sucked by the magnetic draining plate 102 to remove magnetic substances such as steel wool and the like, and may be discharged into the waste liquid collecting groove a1 through small holes or slits in the magnetic draining plate 102 and further into the drain pipe b 1; further, as shown in fig. 3 and 4, the coarse material discharger 103 may include a discharging machine 1031 and a peeling plate 1032, wherein the discharging machine 1031 may stick and hook coarse materials (for example, plastic bags) in the solid waste discharged from the magnetic draining plate 102, and may be further peeled by the peeling plate 1032 by vibration to be discharged into the coarse material discharging hopper 104, and the solid materials to be treated, which are not stuck and hooked, enter the auger conveyor 201 through the solid material discharging hopper 105 to be fed.
In one embodiment of the present invention, as shown in fig. 3, the press pulverizing unit 20 may include an auger conveyor 201, a pressure drainer 202, an auger discharge hopper 203, and a pulverizer 204. Specifically, as shown in fig. 3, the feed end of the auger conveyor 201 may be disposed below the solid material discharge hopper 105, and the auger conveyor 201 may be configured to receive and compress the solid material to be processed collected by the solid material discharge hopper 105; the pressure type drainer 202 can be arranged at the discharge end of the auger conveyor 201, and the pressure type drainer 202 can be used for discharging waste liquid in the solid garbage compressed by the auger conveyor 201; the auger discharge hopper 203 can be arranged corresponding to the discharge end of the auger conveyor 201, and the auger discharge hopper 203 can be used for receiving the solid garbage treated by the pressure type drainer 202; the crusher 204 can be arranged in the auger discharge hopper 203, and the crusher 204 can be used for crushing the solid garbage in the auger discharge hopper 203 into solid slag. Wherein, the auger conveyor 201 can be driven by a driving motor M1.
More specifically, the pressure type drainer 202 can be a porous or multi-gap structure, and the pressure type drainer 202 can be embedded at the discharge end of the auger conveyor 201, and the inner cylinder of the pressure type drainer 202 can be the same as the inner diameter of the auger conveyor 201. Further, as shown in fig. 3, a waste liquid collecting groove a2 and a drain pipe b2 are further provided below the pressure type drainer 202, wherein the solid waste compressed by the auger conveyor 201 can pass through the pressure type drainer 202, and the waste liquid discharged by compression can be discharged into the waste liquid collecting groove a2 through small holes or gaps in the pressure type drainer 202, and then flows into the drain pipe b 2. In addition, it should be noted that the distance between the propelling structures of the auger conveyor 201 is gradually reduced, so that the auger conveyor 201 can gradually compress the solid waste during conveying, and the waste liquid in the solid waste can be gradually and completely discharged.
In one embodiment of the present invention, as shown in fig. 3, the biochemical drying unit 30 may include a dryer main body 301, a dryer agitator 302, a dryer heater 303, a dryer gas hood 304, and a moisture content meter 305. Specifically, as shown in fig. 3, the dryer main body 301 may be disposed corresponding to the discharge end of the auger discharge hopper 203, and the dryer main body 301 may be configured to receive solid slag discharged from the auger discharge hopper 203; the dryer stirrer 302 can be arranged in the dryer main body 301, and the dryer stirrer 302 can be used for stirring solid slag so as to perform sufficient biochemical treatment on the solid slag; the dryer heater 303 may be disposed outside the dryer main body 301, and the dryer heater 303 may be configured to provide a biochemical temperature required for performing biochemical treatment and a drying temperature required for performing drying treatment; the dryer gas collecting hood 304 may be disposed on the dryer main body 301 and communicated with the dryer main body 301; the moisture content meter 305 may be provided in the dryer main body 301, and the moisture content meter 305 may be configured to detect a moisture content of the solid slag in the dryer main body 301.
More specifically, as shown in fig. 3, the dryer heater 303 may be a heat conductive oil coil structure, and may be disposed outside the dryer body 301; the dryer agitator 302 may be driven by the driving motor M2, and when the driving motor M2 rotates forward, the dryer agitator 302 may be used to agitate the solid slag, and when the driving motor M2 rotates backward, the dryer agitator 302 may be used to discharge the solid slag. Through letter sorting, compression, stoving kitchen garbage, contain grease, magnetism thing, plastic bag etc. in can avoiding the solid sediment of exhaust to can reduce the moisture content of the solid sediment of exhaust, can be convenient for transport, and can avoid the water clock polluted environment in transit, and can directly be used for fertilization, breed with the solid sediment of exhaust.
In one embodiment of the present invention, as shown in fig. 3, the heating unit 40 may include a thermal oil bath 401, a thermal oil circulating pump 402, a thermal oil heater 403, and a thermal oil thermometer 404. Specifically, as shown in fig. 3, a conduction oil circulation pump 402 may be connected to the conduction oil tank 401, and the conduction oil circulation pump 402 may be used to convey conduction oil in the circulation conduction oil tank 401; the heat conduction oil heater 403 can be connected with the heat conduction oil circulating pump 402, and the heat conduction oil heater 403 can be used for instantly heating the heat conduction oil circulating pump 402 to convey circulating heat conduction oil; the heat transfer oil thermometer 404 may be disposed corresponding to the heat transfer oil heater 403, and the heat transfer oil thermometer 404 may be configured to detect a temperature of heat transfer oil immediately heated by the heat transfer oil heater 403 in real time. In addition, a solar heating system can be added corresponding to the heating unit 40, and the heat conduction oil for heating the heat conduction oil groove 401 can be directly heated.
In one embodiment of the present invention, as shown in fig. 3, the first waste liquid treatment unit 50 may comprise an oxidation bin 501, a strain feeder 502, an oxygen aeration fan 503 and an aerator 504. Specifically, as shown in fig. 3, the oxidation bin 501 may be connected to the sorting unit 10 and the pressing and pulverizing unit 20, respectively, and the oxidation bin 501 may be configured to receive waste liquid discharged from the sorting unit 10 and the pressing and pulverizing unit 20; the strain feed port 502 can be arranged on the upper layer of the oxidation bin body 501, and the strain feed port 502 can be used for feeding biochemical treatment strains into the oxidation bin body 501; the oxygen aeration fan 503 can be arranged outside the oxidation cabin body 501; the aerator 504 can be arranged on the lower layer of the oxidation cabin body 501 and is connected with the oxygen aeration fan 503, and the aerator 504 can be used for aerating and oxygenating the waste liquid in the oxidation cabin body 501 so as to enable the waste liquid COD in the oxidation cabin body 501 to be biochemically degraded and separated from solid, liquid and oil. In addition, as shown in fig. 3, the first waste liquid treatment unit 50 further includes an oxidation bin thermometer 505 and a first oil separator 506, wherein the oxidation bin thermometer 505 is used for detecting the temperature in the oxidation bin, and the first oil separator 506 is disposed corresponding to the oil outlet in the oxidation bin body 501.
More specifically, as shown in fig. 3, the oxidation bin 501 can be connected with a drain pipe b1 and a drain pipe b2 to receive the waste liquid discharged from the sorting unit 10 and the crushing unit 20, and can provide air for the aerator 504 through the oxygen aeration fan 503 to perform aeration and oxygenation biochemical treatment on the waste liquid in the oxidation bin 501, so as to reduce the COD of the waste liquid in the oxidation bin 501, and thus the waste liquid in the oxidation bin 501 can be separated into floating oil, clear liquid and sludge, wherein the sludge can be precipitated at the lower layer of the oxidation bin 501, and the floating oil can float above the clear liquid; further, as shown in fig. 3, an oil drain valve 100 is further disposed on the side wall of the oxidation bin 501 for draining floating oil in the oxidation bin 501, and a sludge drain valve 700 is further disposed at the bottom of the oxidation bin 501 for draining sludge in the oxidation bin 501; further, as shown in fig. 3, a level meter 300 is further arranged in the oxidation bin 501, and can be used for monitoring the liquid level of the clear liquid in the oxidation bin 501 in real time, so as to ensure that the storage amount of the sludge on the lower layer of the oxidation bin 501 is not less than a set threshold value, and thus, the sludge in the oxidation bin 501 can be ensured to be activated sludge, and therefore, only the strain is required to be put into the oxidation bin 501 through a strain feeding port 502 when the oxidation bin is started for the first time, and the operation without adding external strains for a long time can be realized.
In one embodiment of the present invention, as shown in fig. 3, second waste liquid treatment unit 60 includes an electrolytic sterilizing bin 601, a bactericide inlet 602, and an electrolyzer 603. Specifically, as shown in fig. 3, the electrolytic disinfection cabin 601 can be connected with the oxidation cabin 501, and the electrolytic disinfection cabin 601 can be used for receiving the waste liquid separated from the oxidation cabin 501; the bactericide feed port 602 can be arranged on the upper layer of the electrolytic disinfection cabin body 601, and the bactericide feed port 602 can be used for feeding bactericide into the electrolytic disinfection cabin body 601; the electrolyzer 603 can be arranged on the lower layer of the electrolytic disinfection cabin body 601, and the electrolyzer 603 can be used for carrying out secondary waste oil separation, oxidative degradation of waste liquid COD and sterilization on waste liquid in the electrolytic disinfection cabin body 601. In addition, as shown in fig. 3, the second waste liquid treatment unit 60 further includes a second oil separator 604, and the second oil separator 604 is disposed corresponding to the oil outlet in the electrolytic disinfection cabin 601.
More specifically, as shown in fig. 3, a liquid discharge pump 500 is further disposed between the first waste liquid treatment unit 50 and the second waste liquid treatment unit 60, the liquid discharge pump 500 is used for pumping the clear liquid in the oxidation bin 501 into the electrolytic disinfection bin 601, and further the waste liquid in the electrolytic disinfection bin 601 can be electrolyzed by the electrolyzer 603, so that micro bubbles can be generated to have a good air flotation effect, so that the waste liquid in the electrolytic disinfection bin 601 can be separated for the second time, so as to separate the waste liquid in the electrolytic disinfection bin 601 into floating oil and waste water, wherein the waste water can be precipitated in the electrolytic disinfection bin 601 at a lower layer, and the floating oil can float above the waste water; further, as shown in fig. 3, a liquid outlet pump 600 may be further disposed outside the electrolytic sterilizing cabin 601, and the liquid outlet pump 600 may be used for pumping qualified wastewater (for example, wastewater in the middle layer of the electrolytic sterilizing cabin 601) in the electrolytic sterilizing cabin 601; further, as shown in fig. 3, an oil drain valve 200 is further disposed on the side wall of the electrolytic disinfection cabin body 601 for draining floating oil in the electrolytic disinfection cabin body 601, and a mud drain valve 800 is further disposed at the bottom of the electrolytic disinfection cabin body 601 for draining unqualified wastewater in the electrolytic disinfection cabin body 601 (for example, wastewater in the lower layer of the electrolytic disinfection cabin body 601); further, as shown in fig. 3, a liquid level meter 400 is further disposed in the electrolytic disinfection cabin 601, and can be used for monitoring the liquid level of the wastewater in the middle layer of the electrolytic disinfection cabin 601 in real time, so as to ensure that the liquid level of the wastewater in the electrolytic disinfection cabin 601 is not lower than a set threshold.
In addition, since the waste liquid of kitchen waste contains salt (NaCl), bubbles, i.e., H, are removed when the waste liquid is electrolyzed2、O2In addition, hypochlorite and negative oxygen ions are generated, so that the strong sterilization effect is achieved, and bacteria in the waste liquid can be effectively killed, therefore, in general, a bactericide does not need to be added into the electrolytic disinfection cabin body 601 through the bactericide feeding port 602, but in actual conditions, if the electrolytic disinfection does not meet the set requirements, a bactericide and the like (for example, disinfection and oil removal agents) can be added into the electrolytic disinfection cabin body 601 through the bactericide feeding port 602.
In an embodiment of the present invention, as shown in fig. 3, the circulation unit 70 may include a circulation pump 701, an evacuation valve 702 and a return pipe 703, wherein the circulation pump 701 may be connected to the mud valve 700 of the oxidation bin 501 and the mud valve 800 of the electrolytic sterilization bin 601 through the return pipe 703 respectively, so as to extract the sludge in the oxidation bin 501 and the waste water at the lower layer of the electrolytic sterilization bin 601 and convey them to the sorting unit 10 for flushing the kitchen waste in the sorting unit 10 and doping the kitchen waste with biochemical reaction bacteria; the evacuation valve 702 may be used to evacuate the sludge wastewater in the drainage device to facilitate the maintenance and repair of the device. It should be noted that the biochemical reaction bacteria come from activated sludge in the oxidation bin 501, belong to bacteria cultured by sludge contained in homologous garbage, have a good biochemical reaction effect, and do not need to put in external bacteria, so that the cost can be saved.
In one embodiment of the present invention, as shown in fig. 3, the heat recovery unit 80 may include a heat recovery main 801, an oxidation silo exhaust heat exchanger 802, a dryer exhaust heat exchanger 803, and a heat conductive oil sump heat exchanger 804. Specifically, as shown in fig. 3, the oxidation bin exhaust heat exchanger 802 may be communicated with an upper layer of the oxidation bin body 501, the dryer exhaust heat exchanger 803 may be communicated with the dryer gas collecting hood 304, and the heat conducting oil groove heat exchanger 804 may be disposed corresponding to the heat conducting oil groove 401. The oxidation bin exhaust heat exchanger 802 and the dryer exhaust heat exchanger 803 can be used for respectively absorbing heat generated by biochemical reaction in the oxidation bin body 50 and heat of exhaust steam in the dryer gas-collecting hood 304, and can release heat to the heat-conducting oil tank 401 through the heat-conducting oil tank heat exchanger 804. In addition, a heat conduction oil temperature meter 805 is further arranged corresponding to the heat conduction oil groove heat exchanger 804, and a switching valve set 806 is further arranged in a communication pipeline of the dryer exhaust heat exchanger 803, the heat conduction oil groove heat exchanger 804 and the heat recovery main machine 801.
More specifically, the heat recovery main machine 801 may employ a refrigerant (e.g., freon) for compression, and during the heat recovery process, the corresponding valve may be controlled to close and isolate by switching the valve set 806, so as to select the dryer exhaust heat exchanger 803 or/and the oxidation bin exhaust heat exchanger 802 for heat recovery, thereby achieving the optimal energy saving effect; in addition, the surface temperatures of the dryer exhaust heat exchanger 803 and the oxidation bin exhaust heat exchanger 802 are respectively lower than the temperature of the water vapor in the dryer gas collecting hood 304 and the temperature of the oil drops in the oxidation bin body 501, so low-temperature condensation can occur on the surfaces of the dryer exhaust heat exchanger 803 and the oxidation bin exhaust heat exchanger 802, and therefore, a return pipe b3 can be arranged corresponding to the dryer exhaust heat exchanger 803, and a return pipe b4 can be arranged corresponding to the oxidation bin exhaust heat exchanger 802, so that the condensed vapor or oil drops on the surfaces of the return pipes can be collected in the oxidation bin body 501.
In one embodiment of the present invention, as shown in fig. 3, the deodorization unit 90 may include a deodorizer 901, a first suction fan 902, a second suction fan 903, and an exhaust duct 904. Specifically, as shown in fig. 3, a first exhaust fan 902 can be connected to the sorting gas-collecting hood 106 and the electrolytic disinfection cabin 601 through an exhaust pipe 904 respectively to extract the exhaust gas in the sorting unit 10 and the second waste liquid treatment unit 60 and convey the exhaust gas to a deodorizer 901; second air exhauster 903 accessible exhaust column 904 connects drying-machine exhaust heat exchanger 903 to the waste gas of extraction biochemical drying unit 30 and carry to deodorizer 901, the gas that produces by oxygen aeration fan 503 and aerator 504 in the first waste liquid treatment unit 50 is carried to deodorizer 901 through exhaust column 904 malleation, from this, can purify the deodorization discharge with the waste gas that the device produced, thereby can avoid odor to arrange polluted environment in the air.
Further, as shown in fig. 3, a lifting weighing unit 110 may be further disposed corresponding to the feeding end of the sorting unit 10, and the kitchen waste may be weighed and poured into the feeding end of the sorting unit 10 in a limited amount by lifting the weighing unit 110.
Further, as shown in fig. 3, the automatic kitchen waste processing device according to the embodiment of the present invention is further connected to a control platform 900, specifically, the oil discharge valve 100, the oil discharge valve 200, the liquid level meter 300, the liquid level meter 400, the liquid discharge pump 500, the liquid discharge pump 600, the mud discharge valve 700, the mud discharge valve 800, the evacuation valve 702, the circulation pump 701, the electrolyzer 603, the oxygen aeration blower 503, the driving motor M1, the driving motor M2, the water content meter 305, the heat conduction oil thermometer 404, the oxidation bin thermometer 505, the heat recovery host 801, and the heat conduction oil thermometer 805 may be respectively connected to the control platform 900, and the following will explain a working process of the automatic kitchen waste processing device according to the embodiment of the present invention, including the following stages:
sorting and washing: the kitchen waste is sorted by the sorting unit 10, and simultaneously, sludge in the oxidation bin body 501 and wastewater at the lower layer of the electrolytic disinfection bin body 601 can be circularly injected into the sorting unit 10 through the circulating unit 70 so as to clean the kitchen waste and mix biochemical reaction strains. If the cleaning degree of the wastewater injected by the circulating unit 70 does not reach the preset standard or the water amount is not enough, a tap water valve V can be opened, and the kitchen waste is cleaned by tap water. Through washing the kitchen garbage, can get rid of the salinity in the kitchen garbage to can reduce the salt content in the solid sediment of follow-up processing exhaust, make it can be used multipurposely, for example can be used as fertilizer, breed material etc..
And (3) squeezing and crushing: the solid garbage processed by the coarse material discharger 103 is received and compressed by the auger conveyor 201, the compressed and discharged waste liquid is discharged into a waste liquid collecting tank a2 through the pressure type drainer 202 and then flows into a drain pipe b2, the solid garbage processed by the pressure type drainer 202 is received by the auger discharge hopper 203, and the solid garbage is crushed into solid slag through the crusher.
And (3) biochemical drying stage: the heat conducting oil in the heat conducting oil groove 401 is pumped by a heat conducting oil circulating pump 402 and is conveyed to a heat conducting oil heater 403 for heating, and then is conveyed to a dryer heater 303 for maintaining the temperature in the dryer main body 301, meanwhile, the temperature of the heat conducting oil can be detected in real time by a heat conducting oil thermometer 404, so that the temperature of the heat conducting oil can be changed by adjusting the heating power of the heat conducting oil heater 403, for example, during the biochemical reaction stage, the temperature in the dryer main body 301 needs to be ensured to be maintained in the corresponding biochemical reaction temperature range (for example, 25-45 ℃), after the biochemical reaction is completed, the solid slag in the dryer main body 301 needs to be dried, the temperature in the dryer main body 301 needs to be raised to the corresponding drying temperature range (for example, 120-160 ℃) to evaporate the moisture in the solid slag, perform high-temperature sterilization treatment on the solid slag, and then the moisture of the dried solid slag can be detected by a moisture content tester, if the moisture content is lower than the set moisture threshold, the water can be discharged. Wherein, the drying temperature needs to be higher than the boiling point of water and lower than the burning point of grease and starch in the kitchen waste, thereby avoiding the danger of spontaneous combustion while ensuring the drying effect.
A primary oil-water separation stage: receive the letter sorting unit 10 and squeeze through the oxidation storehouse body 501 and smash 20 exhaust waste liquid of unit, and accessible oxygen aeration fan 503 is to the internal air delivery of oxidation storehouse 501, the biochemical treatment of aeration oxygenation is carried out to the waste liquid in the oxidation storehouse body 504 to specific accessible aerator 504, reduce the COD of the waste liquid in the oxidation storehouse body 501, thereby can be the oil slick with the waste liquid separation in the oxidation storehouse body 501, clear liquid and mud, wherein, mud can precipitate in the oxidation storehouse body 501 lower floor, the oil slick can float and pass through the automatic oil drain valve 100 in oxidation storehouse and discharge in clear liquid top.
And (3) secondary oil-water separation stage: be used for inputing the clear solution extraction in the oxidation storehouse body 501 in the electrolysis disinfection storehouse body 601 through positive displacement pump 500, further accessible electrolyser 603 can carry out the electrolysis to the waste liquid in the electrolysis disinfection storehouse body 601, can produce the microbubble and have better air supporting effect, thereby can carry out the secondary separation to the waste liquid in the electrolysis disinfection storehouse body 601, in order to separate the waste liquid in the electrolysis disinfection storehouse body 601 into oil slick, waste water, wherein, waste water precipitable lower floor in the electrolysis disinfection storehouse body 601, oil slick can float and pass through disinfection storehouse automatic oil drain valve 200 discharge in the waste water top.
According to the automatic kitchen waste treatment device provided by the embodiment of the invention, the sorting unit, the squeezing and crushing unit, the biochemical drying unit, the heating unit, the first waste liquid treatment unit, the second waste liquid treatment unit and the circulating unit are arranged, wherein the kitchen waste is sorted by the sorting unit and separated into solid waste and waste liquid, the solid waste is compressed by the squeezing and crushing unit, the biochemical drying unit and the heating unit are used for performing biochemical drying treatment on the solid waste, in addition, the first waste liquid treatment unit and the second waste liquid treatment unit are used for performing secondary separation on the waste liquid, the waste liquid after secondary separation is used for washing the kitchen waste in the sorting unit and doping strains into the kitchen waste, therefore, the biochemical degradation reduction and the drying dehydration reduction of the kitchen waste can be realized under the condition that no external strains are needed, and the water content of discharged solid slag can be reduced, the transportation of the solid sediment of discharge can be convenient for to can avoid leaking the polluted environment in transit, in addition, through secondary oil-water separation, can fully separate out the oil in the kitchen garbage, thereby recovery oil that can be better, and can also use the waste liquid cycle after the separation.
Based on the automatic kitchen waste treatment device provided by the embodiment, the invention further provides an automatic kitchen waste treatment method.
As shown in fig. 5, the automatic kitchen waste treatment method according to the embodiment of the present invention includes the following steps:
s1, separating solid waste and waste liquid in the kitchen waste through a sorting unit;
s2, performing compression, draining and crushing treatment on the solid garbage through a squeezing and crushing unit to separate the solid garbage into solid slag and waste liquid;
s3, performing biochemical treatment and drying treatment on the solid slag through a biochemical drying unit;
s4, providing the biochemical temperature required by the biochemical treatment of the biochemical drying unit and the drying temperature required by the drying treatment by the heating unit;
s5, separating and recovering waste oil and fat and waste liquid discharged by the biochemical treatment sorting unit and the squeezing and crushing unit through the first waste liquid treatment unit;
s6, performing secondary oil stain separation, secondary biochemical degradation and sterilization on the waste liquid in the first waste liquid treatment unit through the second waste liquid treatment unit;
and S7, introducing the waste liquid separated in the first waste liquid treatment unit and the second waste liquid treatment unit into a sorting unit through a circulating unit so as to wash the kitchen waste and mix biochemical reaction strains in the kitchen waste.
The embodiment of the invention provides an automatic kitchen waste treatment method, and a specific implementation manner of the automatic kitchen waste treatment device based on the embodiment can refer to the embodiment.
According to the automatic kitchen waste treatment method provided by the embodiment of the invention, the kitchen waste is sorted by the sorting unit and separated into solid waste and waste liquid, the solid crushed waste is compressed by the pressing and crushing unit, the solid waste is subjected to biochemical and drying treatment by the biochemical drying unit and the heating unit, in addition, the waste liquid is subjected to secondary separation and COD degradation by the first waste liquid treatment unit and the second waste liquid treatment unit, the waste liquid after secondary separation is used for washing the kitchen waste in the sorting unit and is doped with strains by the circulating unit, therefore, biochemical degradation reduction and drying dehydration reduction of the kitchen waste can be realized without external strains, the water content of discharged solid slag can be reduced, the transportation of the discharged solid slag can be facilitated, the environment pollution caused by dripping leakage in the transportation process can be avoided, in addition, through secondary oil-water separation, can fully separate out the waste oil in the kitchen garbage to recovery oil that can be better, and can also be with the waste liquid cyclic utilization after the separation and discharge to reach standard.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. The meaning of "plurality" is two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Claims (10)
1. The utility model provides a kitchen garbage automatic processing apparatus which characterized in that includes:
the sorting unit is used for separating solid waste and waste liquid in the kitchen waste;
the squeezing and crushing unit is connected with the sorting unit and is used for carrying out compression, draining and crushing treatment on the solid garbage so as to separate the solid garbage into solid slag and waste liquid;
the biochemical drying unit is connected with the squeezing and crushing unit and is used for performing biochemical treatment and drying treatment on the solid slag;
the heating unit is connected with the biochemical drying unit and is used for providing biochemical temperature required by the biochemical drying unit for biochemical treatment and drying temperature required by the biochemical drying unit for drying treatment;
the first waste liquid treatment unit is respectively connected with the sorting unit and the squeezing and crushing unit and is used for separating and recovering waste oil and fat and biochemically treating waste liquid discharged by the sorting unit and the squeezing and crushing unit;
the second waste liquid treatment unit is connected with the first waste liquid treatment unit and is used for carrying out secondary oil stain separation, secondary biochemical degradation and sterilization on waste liquid in the first waste liquid treatment unit;
and the circulating unit is respectively connected with the sorting unit, the first waste liquid treatment unit and the second waste liquid treatment unit, and is used for introducing the waste liquid after separation in the first waste liquid treatment unit and the second waste liquid treatment unit into the sorting unit so as to wash the kitchen waste and mix biochemical reaction strains in the kitchen waste.
2. The automatic kitchen waste treatment device according to claim 1, further comprising:
the heat recovery unit is respectively connected with the biochemical drying unit, the heating unit and the first waste liquid treatment unit, and is used for recovering heat generated by the biochemical drying unit and the first waste liquid treatment unit and sending the recovered heat to the heating unit;
and the deodorization unit is respectively connected with the sorting unit, the first waste liquid treatment unit, the second waste liquid treatment unit and the heat recovery unit, and is used for purifying the exhaust of the sorting unit, the first waste liquid treatment unit, the second waste liquid treatment unit and the heat recovery unit.
3. The automatic kitchen waste treatment device according to claim 2, characterized in that said sorting unit comprises:
the sorting tray is arranged according to a set inclination angle;
the magnetic draining plate is arranged corresponding to the discharge end of the sorting disc according to the set inclination angle and is used for separating magnetic substances in the kitchen waste and solid waste and waste liquid in the kitchen waste;
the coarse material discharger is arranged corresponding to the discharge end of the magnetic draining plate and is used for stripping coarse materials in the solid garbage so as to separate the solid garbage into coarse materials and solid materials to be treated;
the coarse material discharging hopper is arranged corresponding to the coarse material discharging end of the coarse material discharger and is used for collecting stripped coarse materials in the solid garbage;
the solid material discharging hopper is arranged corresponding to the solid material discharging end of the coarse material discharger and is used for collecting the solid materials to be treated separated from the solid garbage;
and the sorting gas-collecting hood is arranged on the sorting disc and the magnetic draining plate.
4. The automatic kitchen waste treatment device according to claim 3, wherein said squeezing and crushing unit comprises:
the feeding end of the auger conveyor is arranged below the solid material discharging hopper, and the auger conveyor is used for receiving and compressing the solid materials to be processed, which are collected by the solid material discharging hopper;
the pressure type drainer is arranged at the discharge end of the auger conveyor and is used for discharging waste liquid in the solid garbage compressed by the auger conveyor;
the auger discharge hopper is arranged corresponding to the discharge end of the auger conveyor and is used for receiving the solid garbage treated by the pressure type drainer;
the crusher is arranged in the auger discharge hopper and used for crushing the solid garbage in the auger discharge hopper into solid slag.
5. The automatic kitchen waste treatment device according to claim 4, wherein the biochemical drying unit comprises:
the dryer main body is arranged corresponding to the discharge end of the auger discharge hopper and is used for receiving solid slag discharged by the auger discharge hopper;
the dryer stirrer is arranged in the dryer main body and is used for stirring the solid slag so as to carry out sufficient biochemical treatment on the solid slag;
the dryer heater is arranged outside the dryer main body and used for providing biochemical temperature required by biochemical treatment and drying temperature required by drying treatment;
the dryer gas-collecting hood is arranged on the dryer main body and communicated with the dryer main body;
the moisture content tester is arranged in the dryer main body and used for detecting the moisture content of solid slag in the dryer main body.
6. The automatic kitchen waste treatment device according to claim 5, characterized in that said heating unit comprises:
a heat conduction oil groove;
the heat conduction oil circulating pump is connected with the heat conduction oil groove and is used for conveying and circulating heat conduction oil in the heat conduction oil groove;
the heat conduction oil heater is connected with the heat conduction oil circulating pump and is used for instantly heating the heat conduction oil circulated by the heat conduction oil circulating pump to convey the circulated heat conduction oil;
and the heat conduction oil thermometer is arranged corresponding to the heat conduction oil heater and used for detecting the temperature of the heat conduction oil immediately heated by the heat conduction oil heater in real time.
7. The automatic kitchen waste treatment device according to claim 6, wherein said first waste liquid treatment unit comprises:
the oxidizing bin body is respectively connected with the sorting unit and the squeezing and crushing unit and is used for receiving waste liquid discharged by the sorting unit and the squeezing and crushing unit;
the strain feeding port is arranged on the upper layer of the oxidation bin body and used for feeding biochemical treatment strains into the oxidation bin body;
the oxygen aeration fan is arranged outside the oxidation bin body;
the aerator is arranged on the lower layer of the oxidation bin body and is connected with the oxygen aeration fan, and the aerator is used for aerating and oxygenating the waste liquid in the oxidation bin body so as to enable the waste liquid COD in the oxidation bin body to be subjected to biochemical degradation and solid-liquid and oil stain separation.
8. The automatic kitchen waste treatment device according to claim 7, wherein the second waste liquid treatment unit comprises:
the electrolytic disinfection cabin body is connected with the oxidation cabin body and is used for receiving the waste liquid separated in the oxidation cabin body;
the bactericide feeding port is arranged on the upper layer of the electrolytic disinfection cabin body and used for feeding bactericide into the electrolytic disinfection cabin body;
the electrolyzer is arranged on the lower layer of the electrolytic disinfection cabin body and is used for carrying out secondary waste oil separation, oxidative degradation of waste liquid COD and sterilization on waste liquid in the electrolytic disinfection cabin body.
9. The automatic kitchen waste treatment device according to claim 8, characterized in that said heat recovery unit comprises:
a heat recovery main machine;
the oxidation bin exhaust heat exchanger is communicated with the upper layer of the oxidation bin body;
the dryer exhaust heat exchanger is communicated with the dryer gas-collecting hood;
and the heat conduction oil groove heat exchanger is arranged corresponding to the heat conduction oil groove.
10. An automatic kitchen waste treatment method based on the automatic kitchen waste treatment device according to any one of claims 1-9, characterized by comprising the following steps:
separating solid waste and waste liquid in the kitchen waste through the sorting unit;
compressing, draining and crushing the solid garbage through the squeezing and crushing unit to separate the solid garbage into solid slag and waste liquid;
performing biochemical treatment and drying treatment on the solid slag through the biochemical drying unit;
providing the biochemical temperature required by the biochemical treatment of the biochemical drying unit and the drying temperature required by the drying treatment by the heating unit;
separating and recovering waste oil and fat through the first waste liquid treatment unit and biochemically treating waste liquid discharged by the sorting unit and the squeezing and crushing unit;
performing secondary oil stain separation, secondary biochemical degradation and sterilization on the waste liquid in the first waste liquid treatment unit through the second waste liquid treatment unit;
and introducing the waste liquid separated in the first waste liquid treatment unit and the second waste liquid treatment unit into the sorting unit through the circulating unit so as to wash the kitchen waste and mix biochemical reaction strains into the kitchen waste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110766562.7A CN113319107A (en) | 2021-07-07 | 2021-07-07 | Automatic kitchen waste treatment device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110766562.7A CN113319107A (en) | 2021-07-07 | 2021-07-07 | Automatic kitchen waste treatment device and method |
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| CN113319107A true CN113319107A (en) | 2021-08-31 |
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| CN202110766562.7A Withdrawn CN113319107A (en) | 2021-07-07 | 2021-07-07 | Automatic kitchen waste treatment device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054467A (en) * | 2021-11-10 | 2022-02-18 | 上海太平洋制泵(集团)有限公司 | Environment-friendly oil-water deslagging and separating equipment for catering industry |
| WO2023165028A1 (en) * | 2022-03-14 | 2023-09-07 | 常州大学 | Centralized kitchen garbage treatment apparatus |
-
2021
- 2021-07-07 CN CN202110766562.7A patent/CN113319107A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054467A (en) * | 2021-11-10 | 2022-02-18 | 上海太平洋制泵(集团)有限公司 | Environment-friendly oil-water deslagging and separating equipment for catering industry |
| WO2023165028A1 (en) * | 2022-03-14 | 2023-09-07 | 常州大学 | Centralized kitchen garbage treatment apparatus |
| US11905694B2 (en) | 2022-03-14 | 2024-02-20 | Changzhou University | Centralized treatment devices for kitchen waste |
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Application publication date: 20210831 |