A new type of perishable garbage biological drying stirring system

Abstract

The application provides a new perishable garbage biological drying stirring system, a fermentation bin is arranged in the inner barrel of the outer shell of a tower type treatment device, the stirring system comprises a layered stirring unit arranged in the fermentation bin of the barrel, a support beam is arranged in the fermentation bin of each layer of the stirring unit, the end of the support beam is connected with the inner wall of the barrel, a material passing channel is arranged on the support beam and is used for communicating each layer of the stirring unit, a rotating device is arranged on the top of the support beam, the rotating device is located in the middle region of the stirring unit, a sliding rail is arranged on the inner wall of the barrel, and a spacing space is formed between the sliding rail and the top of the support beam. The layered blade type auger is periodically stirred by the rotating device and the sliding rail support driving, the layered staggered discharge port is opened, and the frequent discharging and feeding realize the sufficient mixing in the fermentation bin.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of perishable garbage biological drying treatment, in particular to a novel perishable garbage biological drying stirring system. BACKGROUND

[0002] With the improvement of people's living standards, the garbage is also increasing. At present, the treatment of perishable garbage mainly adopts methods such as landfill, incineration and composting. However, these methods have certain defects. For example, the landfill method not only occupies a large amount of land resources, but also easily produces secondary pollution such as leachate; the incineration method has high investment and high technical requirements, and is easy to produce harmful gas; the composting method has a long cycle, and due to the characteristics of high salt, high oil and high water content of perishable garbage in China and the diverse categories, the quality of the product obtained by using the composting method is poor, and it cannot be directly used as fertilizer for farmland or municipal greening. In recent years, biological drying technology has developed rapidly, which quickly removes water through biological fermentation, has small demand for external heat energy supplement, has very outstanding reduction effect, and the low water content product can be used as combustion-supporting material or generates refuse-derived fuel RDF, which has broad market application prospect.

[0003] At present, the biological drying process of perishable garbage mainly adopts drum type and tower type treatment process, and large stirring devices are generally arranged in the middle, so as to realize full mixing through frequent stirring, and forced ventilation is supplemented, so that the efficiency is higher than that of the traditional strip pile type treatment process. Due to the limitation of the manufacturing cost and difficulty of the drum structure, the treatment scale of the drum type process is relatively limited, and the main body of the tower type treatment process can adopt a reinforced concrete structure, so that the construction cost is relatively low and the scale size is adjustable, and the adaptability is stronger, so that the treatment demand of the present stage of large amount of perishable garbage can be met. Since the material is stacked high in the tower type treatment process, the commonly used fixed center shaft blade type stirring system rotates through the driving of the stirring shaft, so that the stirring is uneven, the efficiency is low and the failure rate is high, and the system cannot adapt to the operation of the large-scale biological drying system. SUMMARY

[0004] The purpose of the present application is to provide a stirring system which can realize efficient stirring of perishable garbage and improve the treatment efficiency and quality.

[0005] To this end, the present application adopts the following technical scheme:

[0006] The utility model provides a new perishable garbage biological drying stirring system, sets up fermentation bin in the cylinder inside the external shell of tower type processing device, the stirring system includes the layered stirring unit in the fermentation bin of cylinder, and the stirring unit of each layer is provided with support beam in the fermentation bin, the end is connected with the inner wall of cylinder, is provided with the material passing channel on the support beam, is used for the intercommunication of each layer stirring unit, the beam top of support beam is provided with rotating device, and the rotating device is located in the middle area of stirring unit, is equipped with slide rail on the inner wall of cylinder, and the slide rail has interval space with the beam top of support beam, the cylinder wall is provided with the discharge gate that can open or close at each layer stirring unit, is equipped with the blade type auger between the rotating device and slide rail, is equipped with the material pushing part that pushes material to the discharge gate along its axial direction on the blade type auger, the top of tower type processing device is provided with the feed inlet, and the discharge gate is equipped with the feeding equipment that is connected with the feed inlet, is used for discharging the material of each layer stirring unit and mixes the material that is not processed and is put into the fermentation bin in advance.

[0007] Further, the beam top of the support beam is provided with a material support area around the rotating device.

[0008] Further, the rotating device or the slide rail is provided with a driving device, and the driving device is power-connected with the blade type auger.

[0009] Further, the driving device is installed in the rotating device, one end of the blade type auger is connected with the driving device, and the other end of the blade type auger is linked with a sliding component matched with the slide rail.

[0010] Further, the blade type auger comprises a rotating shaft, both ends of the rotating shaft are matched with the rotating device and the slide rail respectively, and a spiral material pushing component is arranged on the outer surface of the rotating shaft.

[0011] Further, the spiral material pushing component comprises a plurality of blades, and adjacent blades have a space interval.

[0012] Further, the bottom elevation of the slide rail is higher than the top elevation of the discharge gate, and the beam top elevation of the support beam is not lower than the bottom elevation of the discharge gate.

[0013] Further, the rotating center of the rotating device is coaxial with the central axis of the cylinder, the slide rail is a ring-shaped track, and the center of the slide rail is also coaxial with the central axis of the cylinder.

[0014] Further, the feeding equipment comprises a feeding track, the inlet of the feeding track is connected with the discharge gates on the same side of each fermentation unit, and the outlet of the feeding track is connected with the feed inlet.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The present application realizes sufficient mixing in the fermentation bin by the periodic stirring of the rotating device and the slide rail supporting the layering arranged blade auger, the layering staggered opening discharge port, and the frequent discharge and feeding. In addition, the cross support beam arranged in layers in the tower type processing device supports the rotating device and the blade auger, and also supports the upper fermentation material, reduces the extrusion of the bottom fermentation material, significantly improves the aeration effect, effectively improves the efficiency and quality of the biological drying of perishable garbage, and can be applied to the biological drying treatment of large-scale perishable garbage. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a perspective view of the overall structure of the stirring system of the present application and the display of the internal space part thereof;

[0018] Figure 2 is an enlarged view of A in the present application Figure 1 ;

[0019] Figure 3 is a top view of the stirring system of the present application;

[0020] Figure 4 is a front view of the stirring system of the present application;

[0021] Figure 5 is a running schematic view of the stirring system of the present application.

[0022] The marks in the drawings are: 1-stirring unit, 101-blade auger, 1011-blade, 1012-rotating shaft, 102-rotating device, 1021-driving device, 103-supporting beam, 104-slide rail, 2-cylinder, 3-discharge port, 4-feeding port. DETAILED DESCRIPTION

[0023] The present application will be further described below in combination with the drawings and examples, but it is not used as the basis for limiting the present application.

[0024] As Figures 1-5As shown, a new perishable garbage biological drying stirring system is provided with a fermentation bin in the inner barrel 2 of the external shell of the tower type treatment device, wherein the bottom surface of the barrel 7 is circular and the whole is in a long barrel shape; the stirring system comprises a layered stirring unit 1 arranged in the fermentation bin of the barrel 2, so that the stirring unit 1 is arranged in groups and layers along the height direction of the barrel 2 of the tower type treatment device, the number of layers is reasonably set according to the treatment capacity of the perishable garbage and the size of the tower type treatment device, except that one layer is arranged at the bottom, the other layers are arranged at the equal division points of the height of the tower type treatment device, so as to divide the fermentation bin into a plurality of fermentation units 1 along the height direction, wherein the top layer and the bottom layer are respectively called the top fermentation unit and the bottom fermentation unit, and the other intermediate layers are called the middle fermentation unit; each layer of the stirring unit 1 is provided with a support beam 103 in the fermentation bin, the end of the support beam 103 is connected with the inner wall of the barrel 2, and the support beam 103 is provided with a material passing channel, which is used for communicating each layer of the stirring unit 1; the top of the support beam 103 is provided with a rotating device 102, and the rotating device 102 is located in the middle region of the stirring unit 1; the inner wall of the barrel 2 is provided with a sliding rail 104, and the sliding rail 104 has a spacing space between the top of the support beam 103; the barrel wall of the barrel 2 is provided with an openable or closable discharge port 3 at each layer of the stirring unit 1; a blade auger 101 is arranged between the rotating device 102 and the sliding rail 104, the blade auger 101 is provided with a material pushing part for pushing the material to the discharge port 3 along the axial direction of the blade auger 101, and the discharge port 3 and the sliding rail 104 are arranged staggered to ensure the stability of the blade auger 101 during the rotation around the rotating center of the rotating device 102.

[0025] In this embodiment, the top of the support beam 103 is provided with a material support area around the rotating device 102, which supports the rotating device 102 and the blade auger 101, and also supports the fermentation material above the top of the support beam 103, reduces the accumulation and extrusion of the bottom fermentation material, and provides favorable conditions for the lower fermentation unit in the subsequent aeration process.

[0026] In this embodiment, the top of the support beam 103 is provided with a material support area around the rotating device 102, which supports the rotating device 102 and the blade auger 101, and also supports the fermentation material above the top of the support beam 103, reduces the accumulation and extrusion of the bottom fermentation material, and provides favorable conditions for the lower fermentation unit in the subsequent aeration process. Figure 3 As shown, one discharge port 3 is arranged on each of the upper and lower and left and right central axes, and four discharge ports 3 are arranged on each layer.

[0027] Meanwhile, the feeding track comprises a hopper, a guide rail and a lifting device, the guide rail is vertically arranged outside the barrel 2, the hopper is installed in the guide rail, the hopper is driven to move to the target layer discharge port 3 of the required discharge through the connection between the hopper and the lifting device, the discharge port 3 is opened to make part of the materials in the fermentation bin move to the hopper under the pushing action of the blade auger 101, and then move to the top under the action of the lifting device, so that the materials can be mixed with fresh perishable garbage and then enter the fermentation bin again through the feeding port 4 for stirring. Therefore, the blade auger 101 arranged in layers in this embodiment is supported and driven by the rotating device 102 and the sliding rail 103 to periodically stir, and the discharge port is opened in layers and staggered to realize frequent discharge and feeding to fully mix the materials in the fermentation bin.

[0028] In this embodiment, in order to drive the blade auger 101 to rotate around the upper rotating shaft 1012 in the stirring unit 1 and around the rotating center of the rotating device 102, a driving device 1021 can be arranged on the rotating device 102 or the sliding rail 104, and the driving device 1021 is in power connection with the blade auger 101. In this embodiment, the driving device 1021 is installed in the rotating device 102, one end of the blade auger 101 is connected with the driving device 1021, and the other end of the blade auger 101 is connected with a sliding component matched with the sliding rail 104.

[0029] The blade auger 101 comprises a rotating shaft 1012, the two ends of the rotating shaft 1012 are matched with the rotating device 102 and the sliding rail 104 respectively, and a spiral pushing component is arranged on the outer surface of the rotating shaft 1012.

[0030] It can be understood that the driving device 1021 based on the above content can be provided with two independent driving devices, one is a first driving device for rotating the upper rotating shaft 1012 of the blade auger 101, and the other is a second driving device for rotating the rotating device 102 around the central axis; of course, it can also be a set of linkage driving device, which can adopt the existing gear mesh transmission, which will not be described in detail here.

[0031] It should be noted that if the driving device 1021 that can make the blade auger 101 rotate around the rotating shaft 1012 is arranged in the sliding component, two independent driving devices can also be arranged, one is a first driving device for rotating the upper rotating shaft 1012 of the blade auger 101, and the other is a second driving device for driving the sliding component to move on the sliding rail 104, and the rotating device 102 needs to be correspondingly provided with a steering structure (a steering shaft coaxial with the central axis of the barrel 2 can be adopted, and the rotating shaft 1012 is fixed on the steering shaft through an intermediate piece, and the rotating shaft 1012 is in rotating cooperation with the intermediate piece, and the steering shaft is in rotating cooperation with the supporting beam 103) to drive the rotating shaft 1012 to rotate around the rotating center of the rotating device 102.

[0032] The driving device 1021 can be driven by a motor, and gears and other structures can be provided as needed.

[0033] In this embodiment, the spiral pushing component includes a plurality of blades 1011, and the adjacent blades 1011 have a space distance, so that the blades 1011 can stir the material and push the material to the discharge port 3 at the same time.

[0034] In this embodiment, the rotation center of the rotating device 102 is coaxial with the central axis of the cylinder 2; the slide rail 104 is a ring-shaped track, and the center of the slide rail 104 is also coaxial with the central axis of the cylinder 2. Moreover, the bottom elevation of the slide rail 104 is higher than the top elevation of the discharge port 3, that is, the slide rail 104 is arranged above the discharge port 3, so as to prevent unnecessary collision between the blade auger 101 and the shutter at the discharge port 3 during operation.

[0035] The support beams 103 in this embodiment are arranged in a cross shape, and the top of the support beam 103 is consistent with the bottom elevation of the discharge port 105.

[0036] Please refer to Figures 1-5 When the tower-type processing device is stirred by the stirring system, the specific content is as follows:

[0037] During the operation of the tower-type processing device, the blade auger 101 of each layer is driven by the rotating device 102 and the slide rail 104, rotates around the central axis of the cylinder 2 of the tower-type processing device while rotating, and periodically stirs the material. When the blade auger 101 rotates around the center to above the discharge port 3, the shutter of the corresponding discharge port 3 is opened. Since the blades 1011 of the blade auger 101 are arranged in a spiral manner, the material can be pushed to move outward, and the discharging starts. The blade augers 101 of each layer rotate in the same direction, and the corresponding discharge ports 105 of each layer are staggered to be opened. The discharge ports 105 in the vertically opposite positions are not opened at the same time, and the discharging of each layer starts at the same time. The discharging of each layer is lifted to the top of the tower-type processing device by the lifting equipment, mixed with fresh perishable garbage, and then the mixed material is discharged on the top of the fermentation bin by the mixing of the mixed material into the discharge port, so as to be discharged in the fermentation unit. Then, as the blade auger 101 of each layer continues to rotate around the central axis of the cylinder 2 of the tower-type processing device, the discharge ports 3 of each layer are opened in turn, and the discharging and feeding processes are repeated, so as to continuously mix the material, improve the processing efficiency and quality.

[0038] The above embodiment is only a relatively optimal technical solution of the present application, and those skilled in the art should understand that the technical solutions or parameters in the embodiment can be modified or replaced without departing from the principles and essence of the present application, and all should be covered within the protection scope of the present application.

Claims

1. A novel perishable garbage biological drying and stirring system, a fermentation bin body is arranged in the inner barrel (2) of the external shell of a tower type treatment device, characterized in that: The stirring system comprises a layered stirring unit (1) arranged in the fermentation bin of the cylinder (2), each layer of the stirring unit (1) is provided with a support beam (103) in the fermentation bin, the end of the support beam (103) is connected with the inner wall of the cylinder (2), and a material passing channel is arranged on the support beam (103) to communicate each layer of the stirring unit (1) in sequence; A rotating device (102) is arranged at the top of the support beam (103), the rotating device (102) is located in the middle region of the stirring unit (1), a slide rail (104) is arranged on the inner wall of the cylinder (2), there is a spacing between the top of the support beam (103) and the slide rail (104), a discharge port (3) which can be opened or closed is arranged on the cylinder wall (2) at each layer of the stirring unit (1), a blade auger (101) is arranged between the rotating device (102) and the slide rail (104), and a spiral material pushing component is arranged on the blade auger (101) to push the material to the discharge port (3) along the axial direction of the blade auger (101); A feeding port (4) is arranged at the top of the tower type processing device, a feeding device is arranged outside the discharge port (3) and connected with the feeding port (4), so as to discharge the material in each layer of the stirring unit (1) and mix the material with the unprocessed material to be put into the fermentation bin; A driving device (1021) is arranged on the rotating device (102), and the driving device (1021) is connected with the blade auger (101) in power; The driving device (1021) is arranged in the rotating device (102), one end of the blade auger (101) is connected with the driving device (1021), and the other end of the blade auger (101) is connected with a sliding component matched with the slide rail (104); The blade auger (101) comprises a rotating shaft (1012), the rotating shaft (1012) is matched with the rotating device (102) and the slide rail (104) at two ends, respectively, and the outer surface of the rotating shaft (1012) is provided with the spiral material pushing component.

2. A novel biogasification stirring system for perishable waste according to claim 1, characterized in that: The top of the support beam (103) is provided with a material supporting area around the rotating device (102).

3. A novel biogasification stirring system for perishable waste according to claim 1, characterized in that: The spiral material pushing component comprises a plurality of blades (1011), and there is a space between adjacent blades (1011).

4. A new type of biogas mixing system for perishable garbage drying according to claim 1, characterized in that: The bottom elevation of the slide rail (104) is higher than the top elevation of the discharge port (3), and the top elevation of the support beam (103) is not lower than the bottom elevation of the discharge port (3).

5. A new type of biogas mixing system for perishable garbage dry dehydration, according to claim 1, characterized in that: The rotating center of the rotating device (102) is coaxial with the central axis of the cylinder (2), the slide rail (104) is a ring-shaped track, and the center of the slide rail (104) is also coaxial with the central axis of the cylinder (2).

6. A new type of biogas mixing system for perishable garbage drying according to claim 1, characterized in that: The feeding device comprises a feeding track, the inlet of the feeding track is connected with the discharge ports (3) on the same side of each fermentation unit, and the outlet of the feeding track is connected with the feeding port (4).

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