Kitchen waste treatment system
Technical Field
The utility model relates to a solid useless processing technology field, in particular to kitchen remains system of trash disposal.
Background
The kitchen waste is waste generated in activities such as daily life, food processing, food service, unit catering and the like of residents, comprises abandoned vegetable leaves, fruit peels, eggshells, tea leaves, bones and the like, and is mainly sourced from household kitchens, restaurants, canteens, vegetable markets and other industries related to food processing. Compared with kitchen waste, the kitchen waste is mainly a raw material, and has high fiber content, low grease content and low biogas production capacity through solid fermentation. The method is mixed with the kitchen waste for treatment, the treatment capacity of the processes of heating, centrifugal oil extraction and the like is increased, the kitchen waste and the kitchen waste are separated, collected and transported in partial cities of China, and an independent kitchen waste treatment system is established in a kitchen waste treatment plant.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a kitchen garbage processing system for handle kitchen garbage.
Based on the above problem, the utility model provides a technical scheme is:
kitchen waste treatment system, including discharge hopper, first conveyor, one-level breaker, second conveyor, second grade breaker, extruder, third conveyor and solid sediment collection device, first conveyor's feed inlet is aimed at the discharge gate of discharge hopper, first conveyor's discharge gate is aimed at one-level breaker's feed inlet, one-level breaker's discharge gate is aimed at the discharge gate of second conveyor, second conveyor's discharge gate is aimed at second grade breaker's feed inlet, second grade breaker's discharge gate is aimed at the feed inlet of extruder, the discharge gate of extruder is aimed at the feed inlet of third conveyor, third conveyor's discharge gate is aimed at solid sediment collection device's feed inlet.
Further, still include filtrate storage device, the discharge hopper is connected to filtrate storage device through first filtrate pipeline, the extruder is connected to filtrate storage device through second filtrate pipeline.
Further, the filtrate storage device is connected to an anaerobic fermentation system through a discharge pipeline, and a filtrate pump is arranged on the discharge pipeline.
Further, a liquid level sensor is arranged in the filtrate storage device, and the liquid level sensor and the filtrate pump are in signal connection with a control device.
Furthermore, discharge hopper, first conveyor, one-level breaker, second conveyor, third conveyor all are equipped with waste gas and collect the mouth, are connected to the exhaust gas house steward through the waste gas branch pipe respectively, the exhaust gas house steward is connected to the exhaust gas treatment system, be equipped with the waste gas fan on the exhaust gas house steward.
Further, the first conveying device, the second conveying device and the third conveying device are all screw conveyors.
Further, the first conveying device is a double-screw conveyor.
Further, the primary crushing device is a double-shaft crusher or a four-shaft crusher.
Further, the secondary crushing device is a hammer crusher, a single-shaft crusher or a double-shaft crusher.
Further, the extruder is a screw extruder.
Compared with the prior art, the utility model has the advantages that:
1. the discharging hopper has a draining function, the material storage capacity of the discharging hopper is increased, and vehicles do not need to wait during the discharging peak period;
2. the bottom of the discharge hopper is conveyed by a double-screw conveyor, so that blockage can be reduced, conveying capacity is increased, garbage is uniformly conveyed to the primary crushing device, and impact on the primary crushing device is reduced;
3. the kitchen garbage is drained in the discharge hopper and then crushed by a two-stage crushing device, the crushed materials are extruded and dehydrated, more organic substances can be transferred to a liquid phase, and then anaerobic fermentation treatment is carried out, so that methane can be generated for utilization;
4. the combined treatment mode of coarse crushing and fine crushing is adopted, the crushing is carried out step by step, the crushing precision is met, and meanwhile, the treatment capacity is increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a kitchen waste disposal system of the present invention;
wherein:
1. a discharge hopper; 2. a first conveying device; 3. a primary crushing device; 4. a second conveying device; 5. a secondary crushing device; 6. an extruder; 7. a third conveying device; 8. a solid slag collecting device; 9. a filtrate storage device; 10. a first filtrate line; 11. a second filtrate line; 12. a discharge conduit; 13. a filtrate pump; 14. an exhaust gas branch pipe; 15. an exhaust gas main pipe; 16. a waste gas fan; 17. a liquid level sensor.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.
Referring to fig. 1, a schematic structural diagram of an embodiment of the present invention discloses a kitchen waste treatment system, which comprises a discharge hopper 1, a first conveying device 2, a primary crushing device 3, a second conveying device 4, a secondary crushing device 5, an extruder 6, a third conveying device 7, and a solid residue collecting device 8, the feeding hole of the first conveying device 2 is aligned with the discharging hole of the discharging hopper 1, the discharging hole of the first conveying device 2 is aligned with the feeding hole of the first-stage crushing device 3, the discharging hole of the first-stage crushing device 3 is aligned with the feeding hole of the second conveying device 4, the discharging hole of the second conveying device 4 is aligned with the feeding hole of the second-stage crushing device 5, the discharging hole of the second-stage crushing device 5 is aligned with the feeding hole of the extruding machine 6, the discharging hole of the extruding machine 6 is aligned with the feeding hole of the third conveying device 7, and the discharging hole of the third conveying device 7 is aligned with the feeding.
In this example, the cover plate that the pneumatics was opened is set up above discharge hopper 1, opens the cover plate before unloading, and discharge hopper 1 has the waterlogging caused by excessive rainfall function, has increased discharge hopper 1's storage capacity, and the vehicle need not to wait during the peak period of unloading, and discharge hopper 1 bottom is connected to filtrating storage device 9 through first filtrating pipeline 10, and extruder 6 is connected to filtrating storage device 9 through second filtrating pipeline 11 to the filtrating of discharge hopper 1 leaching, the filtrating that extruder 6 extrudeed are discharged into filtrating storage device 9 and are stored.
Filtrate storage device 9 is connected to the anaerobic fermentation system through discharge pipe 12, is equipped with filtrate pump 13 on discharge pipe 12, carries the filtrating in the filtrate storage device 9 to the anaerobic fermentation system and carries out anaerobic treatment, and the marsh gas that the anaerobic fermentation system produced is collected and is utilized, and the anaerobic fermentation system is prior art, the utility model discloses no longer describe repeatedly.
In order to further optimize the utility model discloses an implement the effect, be equipped with the level sensor 17 that is used for detecting the filtrating liquid level in filtrating storage device 9, level sensor 17, filtrating pump 13 respectively with controlling means signal connection, the filtrating liquid level that detects when level sensor 17 reaches a take the altitude, controlling means sends operating instruction to filtrating pump 13, with filtrating pump-out to anaerobic fermentation system, the filtrating liquid level that detects when level sensor 17 drops to a take the altitude, stops the pump.
In this example, the first conveying device 2, the second conveying device 4 and the third conveying device 7 are all screw conveyors, wherein the first conveying device 2 is a double screw conveyor, so that the materials are uniformly fed, the impact on the primary crushing device 3 is reduced, the area of a feed inlet is larger, the garbage bridge in a hopper can be reduced, and the blockage is reduced; the second conveying device 4 and the third conveying device 7 adopt single screw conveyors.
The primary crushing device 3 is a double-shaft crusher or a four-shaft crusher, the size of the crushed garbage is about 50-100mm, a sealing cover is arranged above the crusher, the length of a crushing blade is 30-50mm, the crusher is provided with a current sensor and used for monitoring whether the crusher is blocked or not, and the blocking problem is solved through a reverse rotating motor when the crusher is blocked. The secondary crushing device 5 is a hammer crusher, a single-shaft crusher or a double-shaft crusher, and the materials are crushed to be less than 10mm through the secondary crushing device.
The extruder 6 is a screw extruder, the water content of the dehydrated material is reduced to 60-70%, and the dehydrated material is conveyed to a solid slag collecting device and finally enters a waste incineration plant for treatment.
In order to further optimize the utility model discloses an implement the effect, at discharge hopper 1, first conveyor 2, one-level breaker 3, second conveyor 4, third conveyor 5 all are equipped with waste gas and collect the mouth, each waste gas is collected the mouth and is connected to waste gas house steward 15 through waste gas branch pipe 14, waste gas house steward 15 is connected to the exhaust-gas treatment system, be equipped with exhaust-gas fan 16 on waste gas house steward 15, carry waste gas to the exhaust-gas treatment system through exhaust-gas fan 16 and handle, avoid the excessive polluted environment of waste gas.
The utility model discloses a theory of operation does: the kitchen garbage collected and transported firstly enters the discharging hopper 1 with the draining function, the kitchen garbage is transported to the first-stage crushing device 3 after draining, plant roots and stems in the kitchen garbage and rotten vegetables are primarily crushed through the first-stage crushing device 3, the kitchen garbage after primary crushing enters the second-stage crushing device 5 and is further crushed, the crushed material is dehydrated through the extruder 6, the water content of the material is reduced to 60-70%, the organic matter content of the dehydrated material is high, and the material is transported to the solid residue collecting box. The filtrate generated by the discharge hopper 1 and the extruder 6 enters a filtrate storage device 9 and is conveyed to an anaerobic fermentation system for treatment through a filtrate pump 13.
The above examples are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable the person skilled in the art to understand the contents of the present invention and to implement the present invention, and thus the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.