Disclosure of Invention
Based on this, provide a kitchen garbage integrated processing system. The system is suitable for large-scale garbage centralized processing tasks.
A kitchen waste comprehensive treatment system comprises:
the solid-liquid separation device comprises a conveying part, the conveying part is connected with a conveying part driving mechanism, a plurality of water leakage holes are formed in the conveying part, an oil-water separation device is arranged below the conveying part, an inlet of the oil-water separation device faces to the conveying part,
a solid conveying line arranged below one end of a conveying part of the solid-liquid separation device, the solid conveying line is used for receiving garbage conveyed by the solid-liquid separation device, a metal detector is arranged on the solid conveying line,
a shredder having an inlet located below one end of the solids transport line,
an extrusion dehydration device arranged at one side of the crushing device, the inlet of the extrusion dehydration device faces the outlet of the crushing device,
a waste water treatment system connected with a liquid conveying line, wherein the liquid conveying line is respectively connected with the oil-water separation device and the extrusion dehydration device,
a first conveying and distributing line communicated with the outlet of the extrusion dehydration device,
the primary fermentation system comprises a plurality of primary fermentation devices arranged in an array, the first conveying distribution line comprises a first main pipeline and a plurality of first branch pipelines connected with the first main pipeline, each first branch pipeline corresponds to one primary fermentation device, a discharge valve is arranged on each first branch pipeline, each first branch pipeline faces to the inlet of the corresponding primary fermentation device downwards, a feed valve is arranged at the inlet of the primary fermentation device, and a weighing mechanism is arranged at the bottom of the primary fermentation device,
a first collecting conveyor line including a first main conveyor line and a plurality of first branch conveyor lines connected to the first main conveyor line, each first branch conveyor line corresponding to one primary fermentation device, one end of each first branch conveyor line being disposed below an outlet of the corresponding primary fermentation device,
the feeding bin is arranged on one side of the primary fermentation system, a feeding port of the feeding bin is arranged below one end of the first main conveying line,
a second conveying distribution line, which comprises a second main line and a plurality of second branch lines connected with the second main line, wherein one end of the second main line is arranged below the discharge hole of the feeding bin,
the secondary fermentation system comprises a plurality of secondary fermentation devices which are arranged in an array, each second branch pipeline corresponds to one secondary fermentation device, a discharge valve is arranged on each second branch pipeline, each second branch pipeline faces to the inlet of the corresponding secondary fermentation device, a weighing mechanism is arranged at the bottom of each secondary fermentation device,
a second collecting conveyor line including a second main conveyor line and a plurality of second branch conveyor lines connected to the second main conveyor line, each second branch conveyor line corresponding to one of the secondary fermentation devices, one end of each second branch conveyor line being disposed below an outlet of the corresponding secondary fermentation device,
the screening machine is provided with a first discharge hole and a second discharge hole,
a first discharging conveying line, one end of which is arranged below the first discharging port,
a second discharging conveying line, one end of which is arranged below the second discharging port,
the waste gas treatment system, the waste gas treatment system sets up between primary fermentation system and the secondary fermentation system, the waste gas treatment system includes waste gas collection device and exhaust treatment device, the exhaust gas collection device links to each other with each primary fermentation device and each secondary fermentation device respectively, the exhaust gas collection device with the exhaust treatment device links to each other.
The system is provided with a solid-liquid separation device, a crushing device, an extrusion dehydration device, a wastewater treatment system, a primary fermentation system, a feeding bin, a secondary fermentation system, a screening machine and a waste gas treatment system, and all the devices are effectively combined together through corresponding conveying lines and distribution lines to form a complete set of three-dimensional efficient system capable of carrying out centralized treatment on large-scale kitchen waste. And the system carries out harmless treatment on the waste water and the waste gas, thereby being beneficial to protecting the environment.
In one embodiment, the primary fermentation device comprises a shell, a plurality of stirring shafts are arranged inside the shell, each stirring shaft is connected with a stirring shaft driving mechanism, a plurality of stirring pieces are arranged on each stirring shaft along the axial direction, an air pipe is arranged at the bottom of the shell, a plurality of aeration holes are arranged on the air pipe, a heating plate is further arranged at the bottom of the shell, an outlet is arranged on one side of the shell, a gate is arranged at the outlet, and an inlet is arranged at the top of the shell.
In one embodiment, the stirring member includes a transverse portion and a vertical portion, one end of the vertical portion is connected to the stirring shaft, and the other end of the vertical portion is connected to the transverse portion.
In one embodiment, the primary fermentation device further comprises a workbench arranged outside the shell, a ladder is arranged on one side of the workbench, and handrails are arranged on the outer edge of the workbench.
In one embodiment, the secondary fermentation device comprises a fermentation tank, a heating plate is arranged in the fermentation tank, a stirring mechanism and an aeration pipe are further arranged in the fermentation tank, an inlet is arranged at the top of the fermentation tank, an outlet is arranged at the bottom of the fermentation tank, and a gate is arranged at the outlet.
In one embodiment, the waste gas collecting device comprises a plurality of waste gas collecting branch pipes and a waste gas collecting main pipe, the waste gas collecting branch pipes are respectively communicated with the waste gas collecting main pipe, each waste gas collecting branch pipe is respectively connected with a corresponding primary fermentation device and a corresponding secondary fermentation device, the waste gas collecting main pipe is connected with the waste gas treatment device, and the waste gas collecting device further comprises an air pumping mechanism which is used for pumping waste gas through each waste gas collecting branch pipe and discharging the waste gas into the waste gas collecting main pipe.
In one embodiment, the waste gas treatment device comprises an acid washing absorption tower, a caustic washing absorption tower and a photo-oxidation catalytic treatment device which are connected in series in sequence.
In one embodiment, the waste gas collecting device further comprises a plurality of front end branch pipes connected with the waste gas collecting main pipe, the front end branch pipes are respectively arranged above the solid-liquid separation device, the solid conveying line, the crushing device and the extrusion device, and the air exhaust mechanism is further used for extracting waste gas through the front end branch pipes and discharging the waste gas into the waste gas collecting main pipe.
In one embodiment, the device further comprises a feeding device for feeding materials to the feeding bin.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 and 2, an embodiment of the present invention provides a comprehensive kitchen waste treatment system. The system comprises: the system comprises a solid-liquid separation device 101, a solid conveying line 103, a crushing device 105, an extrusion dehydration device 106, a wastewater treatment system 121, a first conveying and distribution line 107, a primary fermentation system, a first collection conveying line 113, a feeding bin 114, a second conveying and distribution line 115, a secondary fermentation system, a second collection conveying line 117, a screening machine 118, a first discharge conveying line, a second discharge conveying line and a waste gas treatment system.
The solid-liquid separation device 101 comprises a conveying component, and the conveying component is connected with a conveying component driving mechanism. The conveying component driving mechanism is used for driving the conveying component to operate. The conveying part driving mechanism can be a transmission mechanism driven by a motor. The conveying part is provided with a plurality of water leakage holes, an oil-water separation device 102 is arranged below the conveying part, and an inlet of the oil-water separation device 102 faces the conveying part. After the kitchen waste is placed on the conveying part, liquid can flow to the oil-water separation device 102 below through the water leakage holes. At the same time. The waste is transferred to the subsequent solid conveying line 103 by the conveying component.
The solid transport line 103 is provided below one end of a transport member of the solid-liquid separator 101, the solid transport line 103 is configured to receive the garbage transported by the solid-liquid separator 101, and the solid transport line 103 is provided with a metal detector 104. A metal detector 104 is arranged on the solid conveying line 103, can detect whether metal substances exist in the garbage conveyed on the solid conveying line, and can manually take out the metal if the metal substances exist in the garbage.
The inlet of the comminution device 105 is located below one end of the solids transfer line 103. The crushing device 105 is used to crush the garbage conveyed by the solid conveyance line 103.
The press-dewatering device 106 is disposed on one side of the crushing device 105, and an inlet of the press-dewatering device 106 faces an outlet of the crushing device 105. The squeezing and dewatering device 106 is used for squeezing and dewatering the garbage conveyed by the crushing device 105.
The wastewater treatment system 121 is connected to a liquid delivery line 120, and the liquid delivery line 120 is connected to the oil-water separation device 102 and the squeeze dewatering device 106, respectively. The liquid delivery line 120 is used to collectively deliver the collected wastewater to the wastewater treatment system 121. The liquid conveying line 120 may be composed of a pipeline, a pump, and the like.
In this embodiment, the wastewater treatment system 121 may include an anaerobic treatment subsystem, a first anaerobic-aerobic treatment subsystem, a membrane biological reaction treatment subsystem, a fenton treatment subsystem, and the like.
The wastewater treatment system 121 may also include: an anaerobic tank, an aeration tank, a secondary sedimentation tank and an air floatation tank which are communicated in sequence.
The first conveying distribution line 107 comprises a first main line and a plurality of first branch lines connected with the first main line, and the first main line of the first conveying distribution line 107 is communicated with the outlet of the extrusion dehydration device 106.
The first conveying and distributing line 107 is used for distributing the garbage sent out by the squeezing and dewatering device 106 to a subsequent primary fermentation system.
The first conveying and distributing line 107 may be any of various existing material conveying lines, such as an axle-free auger type conveying line, a belt conveying line, and the like.
The primary fermentation system comprises a plurality of primary fermentation devices 108 arranged in an array, each first branch line corresponds to one of the primary fermentation devices 108, a discharge valve is arranged on each first branch line, each first branch line faces to an inlet of the corresponding primary fermentation device 108, a feed valve is arranged at the inlet of the primary fermentation device 108, and a weighing mechanism is arranged at the bottom of the primary fermentation device 108. The weighing mechanism is used to obtain the weight of the waste in the primary fermentation device 108.
When the garbage in one primary fermentation device 108 reaches a certain weight, the discharge valve of the corresponding first branch line is closed, and the feed valve of the primary fermentation device 108 is also closed. So that no further feed is supplied to the primary fermentation unit 108.
The first collecting transfer line 113 includes a first main transfer line and a plurality of first branch transfer lines connected to the first main transfer line, each of the first branch transfer lines corresponds to one of the primary fermentation devices 108, and one end of each of the first branch transfer lines is disposed below an outlet of the corresponding primary fermentation device 108.
The first collecting conveyor line 113 may be any one of various existing material conveyor lines, for example, an axle-less auger type conveyor line, a belt conveyor line, and the like.
Add feed bin 114 and set up in one side of elementary fermentation system, the pan feeding mouth that adds feed bin 114 sets up in the below of the one end of first main conveyor line.
The feeding bin 114 is arranged to add required auxiliary materials into the garbage after primary fermentation, so as to facilitate secondary fermentation in the later period. That is, the garbage is fermented by the primary fermentation device 108, and then enters the feeding bin 114, and then the auxiliary materials are put into the feeding bin 114, and the auxiliary materials and the garbage are sent to the secondary fermentation system on the downstream side.
Further, a feeding device 119 for feeding the feeding bin 114 may be further provided. The feeding device 119 may be a belt feeding device 119 or the like. The feeding device 119 is used for automatically conveying the auxiliary materials to the feeding bin 114. The top of the feeding bin 114 can be provided with a screen plate, and the feeding device 119 can feed the auxiliary materials into the feeding bin 114 through the screen plate. The interior of the feeding bin 114 can be provided with a stirring device so as to uniformly mix the auxiliary materials and the garbage.
The second delivery distribution line 115 includes a second main line and a plurality of second branch lines connected to the second main line, and one end of the second main line is disposed below the discharge port of the feeding bin 114.
The second conveying and distributing line 115 may be any of various existing material conveying lines, such as an axle-free auger type conveying line, a belt conveying line, and the like.
The secondary fermentation system comprises a plurality of secondary fermentation devices 116 arranged in an array, each second branch pipeline corresponds to one of the secondary fermentation devices 116, a discharge valve is arranged on each second branch pipeline, each second branch pipeline faces towards the inlet of the corresponding secondary fermentation device 116, and a weighing mechanism is arranged at the bottom of each secondary fermentation device 116. The weighing mechanism is used to obtain the weight of the garbage inside the corresponding secondary fermentation device 116.
When the weight of the garbage in one secondary fermentation device 116 reaches a certain value, the discharge valve of the corresponding second branch line is closed, so that the garbage is not conveyed into the secondary fermentation device 116.
The second collecting transfer line 117 includes a second main transfer line and a plurality of second branch transfer lines connected to the second main transfer line, each of the second branch transfer lines corresponds to one of the secondary fermentation devices 116, and one end of each of the second branch transfer lines is disposed below an outlet of the corresponding secondary fermentation device 116.
The second collecting conveyor line 117 may be any one of various existing material conveyor lines, for example, an axle-less auger type conveyor line, a belt conveyor line, and the like.
The second collection line 117 is used to collect the garbage in each secondary fermentation device 116 and transfer the garbage to the downstream screening machine 118.
Specifically, one end of the second main conveying line of the second collecting conveying line 117 is disposed above the feeding port of the sieving machine 118, and the sieving machine 118 has a first discharging port and a second discharging port.
One end of the first discharging conveying line is arranged below the first discharging hole. One end of the second discharging conveying line is arranged below the second discharging hole.
Through the mode, the garbage can be classified and discharged according to different particle sizes. Facilitating subsequent transportation and handling.
The waste gas treatment system is arranged between the primary fermentation system and the secondary fermentation system and comprises a waste gas collecting device 109 and a waste gas treatment device, the waste gas collecting device 109 is respectively connected with each primary fermentation device 108 and each secondary fermentation device 116, and the waste gas collecting device 109 is connected with the waste gas treatment device.
In this embodiment, as shown in fig. 3 and 4, the primary fermentation device 108 includes a housing 122, a plurality of stirring shafts 129 are disposed inside the housing 122, each stirring shaft 129 is connected to a stirring shaft driving mechanism 131, a plurality of stirring members are axially disposed on each stirring shaft 129, an air pipe is disposed at the bottom of the housing 122, a plurality of aeration holes 130 are disposed on the air pipe, a heating plate 132 is further disposed at the bottom of the housing 122, an outlet is disposed at one side of the housing 122, a gate is disposed at the outlet, an inlet is disposed at the top of the housing 122, and the weighing mechanism is further disposed at the bottom of the housing 122.
After the stirring shaft 129 rotates, the stirring piece on the stirring shaft can be driven to rotate together, and then the garbage is stirred. If the gate of the outlet is opened, the garbage is sent out from the outlet. The aeration holes 130 are used to supply gas into the casing 122. The heating plate is used to provide a heat source for the inside of the case 122.
In this embodiment, the stirring member includes a transverse portion 127 and a vertical portion 128, one end of the vertical portion 128 is connected to the stirring shaft 129, and the other end of the vertical portion 128 is connected to the transverse portion 127.
In this embodiment, the primary fermentation device 108 further includes a working platform 125 disposed outside the housing 122, a ladder 124 is disposed on one side of the working platform 125, and a handrail 126 is disposed on an outer edge of the working platform 125. The operator can reach the work bench 125 through the ladder 124 and perform some operations via the work bench 125.
In this embodiment, the secondary fermentation device 116 includes a fermentation tank, a heating plate is disposed in the fermentation tank, a stirring mechanism and an aeration pipe are further disposed in the fermentation tank, an inlet is disposed at the top of the fermentation tank, an outlet is disposed at the bottom of the fermentation tank, a gate is disposed at the outlet, and the weighing mechanism is further disposed at the bottom of the fermentation tank. The stirring mechanism is used for stirring the garbage, and the aeration pipe is used for providing gas for the fermentation tank. The heating plate is used for providing a heat source.
In this embodiment, exhaust gas collecting device 109 includes that a plurality of waste gases collect branch pipe and waste gas and collect and be responsible for, a plurality of waste gas collect the branch pipe respectively with waste gas is collected and is responsible for the intercommunication, and each waste gas is collected the branch pipe and is linked to each other with corresponding primary fermentation device 108 and secondary fermenting installation 116 respectively, waste gas collect be responsible for with exhaust gas treatment device links to each other, waste gas collecting device 109 still includes air exhaust mechanism, air exhaust mechanism is used for collecting the branch pipe through each waste gas and extracts waste gas and discharge into in the waste gas collects the main pipe.
In this embodiment, the exhaust gas treatment device includes an acid washing absorption tower 110, an alkali washing absorption tower 111, and a photo-oxidation catalytic treatment device 112, which are connected in series in this order.
In this embodiment, the exhaust gas collecting device 109 further includes a plurality of front end branch pipes connected to the main pipe for collecting exhaust gas, the front end branch pipes are respectively provided above the solid-liquid separation device 101, the solid conveying line 103, the crushing device 105, and the extrusion device, and the air exhaust mechanism is further configured to extract exhaust gas through each front end branch pipe and discharge the exhaust gas into the main pipe for collecting exhaust gas.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.