CN119259655A - Anaerobic digestion and efficient treatment system for kitchen waste - Google Patents
Anaerobic digestion and efficient treatment system for kitchen waste Download PDFInfo
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- CN119259655A CN119259655A CN202411194239.7A CN202411194239A CN119259655A CN 119259655 A CN119259655 A CN 119259655A CN 202411194239 A CN202411194239 A CN 202411194239A CN 119259655 A CN119259655 A CN 119259655A
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- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
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- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
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Abstract
The invention belongs to the technical field of biogas production equipment, in particular to an efficient kitchen waste anaerobic digestion treatment system, which comprises an anaerobic digestion tank, a pretreatment mechanism and a pretreatment mechanism, wherein one end of the top of the anaerobic digestion tank is communicated with an exhaust pipe, the bottom of the anaerobic digestion tank is communicated with a slag discharging pipe, the pretreatment mechanism is arranged at one end of the top of the anaerobic digestion tank, the crushed waste can be more uniformly distributed in the anaerobic digestion tank through the design of the pretreatment mechanism, microorganisms can fully contact with the waste, the decomposition efficiency of the microorganisms on organic matters in the waste is improved, the overall efficiency of anaerobic digestion is improved, the solid concentration of the dehydrated waste is improved, a more compact reaction system is formed in the anaerobic digestion process, the contact area of the microorganisms and organic matters is increased, and the anaerobic digestion efficiency is further improved.
Description
Technical Field
The invention belongs to the technical field of biogas production equipment, and particularly relates to an efficient kitchen waste anaerobic digestion treatment system.
Background
The kitchen waste is a main component of urban household waste, and is mainly treated in the modes of landfill, incineration and the like at present, and the kitchen waste contains a lot of organic matters, moisture and grease, so that the kitchen waste has high recycling value compared with other wastes, and the kitchen waste is treated in the modes of landfill and incineration, so that the treatment efficiency is low and the resource utilization rate is low;
Through retrieval, a Chinese patent with the publication number of CN213012831U discloses a biogas production device for anaerobic digestion of fruit and vegetable garbage, which comprises a mounting base, wherein a fermentation tank body is fixedly arranged on the mounting base, a sealing cover is arranged on the upper surface of the fermentation tank body, a flushing mechanism is fixedly arranged on one side of the sealing cover, a driving motor is fixedly arranged on the upper surface of the fermentation tank body and on the other side of the sealing cover, a residue outlet is fixedly arranged on the lower surface of the fermentation tank body, a fixing support leg is fixedly arranged on the lower surface of the mounting base, a mounting seat is fixedly arranged in the fermentation tank body, a rotating gear is movably arranged on the mounting seat, a connecting support leg is fixedly arranged on the rotating gear, the tail end of the connecting support leg is positioned on the inner side surface of the fermentation tank body, a cleaning blade is arranged on the outer end of the driving motor, and a transmission gear is fixedly arranged at the output end of the driving motor;
In the technology, though the cleaning cutter can be tightly attached to the inner wall of the fermentation tank to move through the design of the structures such as the driving motor, the rotating gear and the like, so that residues on the inner wall of the fermentation tank are cleaned, the equipment is not provided with a pretreatment mechanism before garbage fermentation, namely garbage is not crushed and dehydrated, when particles of the garbage are large, the garbage is unevenly distributed in the digestion tank, the full contact of microorganisms and biogas residues can be influenced, the decomposition efficiency of the microorganisms on organic matters is reduced, in addition, the concentration of the organic matters in the digestion tank can be diluted when the water content in the garbage is large, so that available substrates of the microorganisms are reduced, and the anaerobic digestion efficiency is reduced;
therefore, the invention provides an efficient kitchen waste anaerobic digestion treatment system.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted by the invention for solving the technical problems is that the kitchen waste anaerobic digestion high-efficiency disposal system comprises:
an exhaust pipe is communicated with one end of the top of the anaerobic digestion tank, and a slag discharge pipe is communicated with the bottom of the anaerobic digestion tank;
The pretreatment mechanism is arranged at one end of the top of the anaerobic digestion tank;
The pretreatment mechanism comprises a conical sleeve, a crushing box and a filtering sleeve, wherein the conical sleeve is horizontally arranged, the crushing box is arranged at one end of the major diameter of the top of the conical sleeve, two crushing rollers are rotationally connected to the inner wall of the crushing box, the filtering sleeve is fixedly connected to the bottom of the conical sleeve, a connecting pipe is communicated with the bottom of the crushing box, the bottom of the connecting pipe extends to the inside of the conical sleeve and is communicated with the filtering sleeve, the filtering sleeve is positioned at one end of the crushing box and is communicated with a first connecting sleeve, the other end of the filtering sleeve is communicated with a second connecting sleeve, a first cylinder is arranged on the inner wall of the first connecting sleeve, a first pressing plate is fixedly connected to the output end of the pneumatic cylinder, a second cylinder is arranged on the inner wall of the second connecting sleeve, a drain pipe is communicated with the bottom of the conical sleeve, and a guide pipe is communicated with the bottom of the anaerobic digestion tank.
As a further explanation of the invention, a first motor is arranged in the center of the top of the anaerobic digestion tank, the output end of the first motor is fixedly connected with a stirring shaft, two ends of the side wall of the stirring shaft are respectively and fixedly connected with stirring blades, a controller is arranged at one end, far away from the exhaust pipe, of the top of the anaerobic digestion tank, and the first motor is electrically connected with the controller.
As a further explanation of the invention, one end of the top of the anaerobic digestion tank far away from the guide pipe is communicated with a feeding pipe, and the top of the feeding pipe is connected with a sealing cover in a threaded manner.
As a further explanation of the invention, the top of the inner wall of the anaerobic digestion tank is provided with a temperature sensor, the bottom of the inner wall of the anaerobic digestion tank is provided with a heating plate, and the temperature sensor and the heating plate are electrically connected with a controller.
As a further explanation of the invention, the top end of the inside of the anaerobic digestion tank is fixedly connected with an annular pipe, the bottom of the annular pipe is communicated with a plurality of spraying ports, one end of the bottom of the side wall of the anaerobic digestion tank is communicated with a centrifugal pump, the output end of the centrifugal pump is communicated with the annular pipe through a return pipe, and the centrifugal pump is electrically connected with a controller.
As a further explanation of the invention, one end of the side wall of the crushing box is rotatably connected with two gears, the two gears are meshed with each other, and the two gears are fixedly connected with the two crushing rollers respectively.
As a further explanation of the invention, the side wall of one end of the crushing box far away from the gear is fixedly connected with a second motor, and the output end of the second motor is fixedly connected with the crushing roller.
As a further explanation of the invention, one end of the side wall of the conduit is slidably connected with the flashboard, one end of the side wall of the anaerobic digestion tank is fixedly connected with the supporting arm, the top fixing plate of the supporting arm is connected with the electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with the flashboard, and the electric telescopic rod is electrically connected with the controller.
As a further explanation of the invention, one end of the side wall of the conduit is provided with a through hole, the inner wall of the conduit is provided with a chute at the through hole, and the through hole and the chute are both in sliding connection with the flashboard.
As a further explanation of the invention, the top of the crushing box is communicated with a receiving hopper, one end of the exhaust pipe is provided with a first valve, one end of the slag discharging pipe is provided with a second valve, the bottom of the anaerobic digestion tank is fixedly connected with four supporting legs, and the bottom of the first connecting sleeve is fixedly connected with a supporting column.
The beneficial effects of the invention are as follows:
1. According to the kitchen waste anaerobic digestion efficient disposal system, the second motor drives the crushing roller to rotate, so that garbage is crushed, the garbage can be distributed more uniformly in the anaerobic digestion tank, microorganisms can be fully contacted with the garbage, the decomposition efficiency of the microorganisms on organic matters in the garbage is improved, the overall efficiency of anaerobic digestion is improved, in addition, the first air cylinder and the second air cylinder respectively drive the first pressing plate and the second pressing plate to move, so that the garbage is extruded, water in the garbage is extruded, the extruded water passes through the filtering sleeve and falls on the conical sleeve and is discharged from the drain pipe at one end of the conical sleeve, the solid concentration of the dehydrated garbage is improved, a tighter reaction system is formed in the anaerobic digestion process due to higher solid concentration, the contact area of the microorganisms and the organic matters is increased, and the anaerobic digestion efficiency is improved;
2. According to the kitchen waste anaerobic digestion efficient disposal system, the stirring shaft is driven to rotate by the first motor, so that the stirring blades are driven to rotate, stirring of waste is realized, meanwhile, the waste at the bottom of the anaerobic digestion tank is pumped out through the action of the centrifugal pump and is conveyed into the annular pipe, and finally the waste is sprayed out from the spraying port, so that the waste can flow in the anaerobic digestion tank in an up-down circulating way, and can be more easily contacted with microorganisms under the interaction of the first motor and the centrifugal pump, so that anaerobic digestion efficiency is improved;
3. According to the high-efficiency treatment system for anaerobic digestion of kitchen waste, the temperature inside the anaerobic digestion tank can be sensed through the design of the temperature sensor, the data signals are transmitted to the controller, the controller controls the temperature of the heating plate according to the signals transmitted by the temperature sensor, the anaerobic digestion process is ensured to be carried out within a proper temperature range, microorganisms can always keep higher activity, so that organic matters are effectively decomposed, and in addition, the organic matters in the waste can be dissolved more quickly at a higher temperature, so that the efficiency of the whole digestion process can be improved.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of the internal structure of the anaerobic digester according to the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;
FIG. 5 is a schematic view showing the internal structure of the pulverizing box of the present invention;
FIG. 6 is a schematic view of the internal structure of a tapered sleeve in accordance with the present invention;
FIG. 7 is a schematic view of the internal structure of the filter cartridge of the present invention;
FIG. 8 is a schematic view of the connection structure of the conduit and the flashboard in the present invention;
FIG. 9 is a schematic side cross-sectional view of a catheter in accordance with the present invention;
Fig. 10 is a schematic view of the structure of fig. 1 at another view angle.
The device comprises a 1 anaerobic digestion tank, 2, an exhaust pipe, 3, a slag discharging pipe, 4, a conical sleeve, 5, a crushing box, 6, a filtering sleeve, 7, a crushing roller, 8, a connecting pipe, 9, a first connecting sleeve, 10, a second connecting sleeve, 11, a first cylinder, 12, a first pressing plate, 13, a second cylinder, 14, a second pressing plate, 15, a drain pipe, 16, a conduit, 17, a first motor, 18, a stirring shaft, 19, stirring blades, 20, a controller, 21, a feeding pipe, 22, a sealing cover, 23, a temperature sensor, 24, a heating plate, 25, an annular pipe, 26, a spraying port, 27, a centrifugal pump, 28, a return pipe, 29, a gear, 30, a second motor, 31, a flashboard, 32, a supporting arm, 33, an electric telescopic rod, 34, a through hole, 35, a chute, 36, a hopper, 37, a first valve, 38, a second valve, 39, a supporting leg, 40 and a supporting column.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 10, the efficient kitchen waste anaerobic digestion treatment system according to the embodiment of the invention includes:
the anaerobic digestion tank 1, one end of the top of the anaerobic digestion tank 1 is communicated with an exhaust pipe 2, and the bottom of the anaerobic digestion tank 1 is communicated with a slag discharge pipe 3;
the pretreatment mechanism is arranged at one end of the top of the anaerobic digestion tank 1;
The pretreatment mechanism comprises a conical sleeve 4, a crushing box 5 and a filtering sleeve 6, wherein the conical sleeve 4 is horizontally arranged, one large-diameter end at the top of the conical sleeve 4 is provided with the crushing box 5, the inner wall of the crushing box 5 is rotationally connected with two crushing rollers 7, the inside of the conical sleeve 4 is fixedly connected with the filtering sleeve 6, the bottom of the crushing box 5 is communicated with a connecting pipe 8, the bottom of the connecting pipe 8 extends into the conical sleeve 4 and is communicated with the filtering sleeve 6, the filtering sleeve 6 is positioned at one end of the crushing box 5 and is communicated with a first connecting sleeve 9, the other end of the filtering sleeve 6 is communicated with a second connecting sleeve 10, a first cylinder 11 is mounted on the inner wall of the first connecting sleeve 9, the output end of the air cylinder is fixedly connected with a first pressing plate 12, a second cylinder 13 is mounted on the inner wall of the second connecting sleeve 10, the bottom of the conical sleeve 4 is positioned at one end of the crushing box 5 and is communicated with a drain pipe 15, the bottom of the second connecting sleeve 10 is communicated with a conduit 16, and the bottom of the conduit 16 is communicated with the anaerobic digestion tank 1;
In the embodiment, the garbage is crushed and dehydrated through the design of the pretreatment mechanism, the crushed garbage can be distributed more uniformly in the anaerobic digestion tank 1, microorganisms can be fully contacted with the garbage, the decomposition efficiency of the microorganisms on organic matters in the garbage is improved, the overall efficiency of anaerobic digestion is improved, the solid concentration of the dehydrated garbage can be improved, the higher solid concentration is favorable for forming a tighter reaction system in the anaerobic digestion process, the contact area of the microorganisms and organic matters is increased, the anaerobic digestion efficiency is improved, the garbage is firstly put into the crushing box 5 during operation, the crushing roller 7 positioned in the crushing box 5 pulverizes the garbage, the crushed garbage can fall into the filter sleeve 6 through the connecting pipe 8, the first air cylinder 11 and the second air cylinder 13 are simultaneously opened at the moment, the first pressing plate 12 and the second pressing plate 14 are close to each other under the driving of the first air cylinder 11 and the second air cylinder 13, so that the garbage is extruded, redundant moisture in the garbage is extruded, the garbage is dehydrated, the dehydrated moisture drops into the conical sleeve 4 through the filtering sleeve 6 and is discharged along the inflow drain pipe 15 at the bottom of the conical sleeve 4, when the garbage is dehydrated, the second air cylinder 13 is opened, the second pressing plate 14 is driven to move into the second connecting sleeve 10, the position of the second pressing plate 14 does not block the position of the guide pipe 16 for the garbage, the first air cylinder 11 is then opened, the first pressing plate 12 is driven to push the garbage to the position of the guide pipe 16, the garbage can drop into the anaerobic digestion tank 1 through the guide pipe 16, the garbage can perform anaerobic digestion reaction in the anaerobic digestion tank 1, the generated methane can be discharged through the exhaust pipe 2, the residual waste residue is discharged from the slag discharge tank.
Further, as shown in fig. 1, a first motor 17 is installed at the center of the top of the anaerobic digestion tank 1, the output end of the first motor 17 is fixedly connected with a stirring shaft 18, two ends of the side wall of the stirring shaft 18 are respectively and fixedly connected with stirring blades 19, a controller 20 is installed at one end, far away from the exhaust pipe 2, of the top of the anaerobic digestion tank 1, and the first motor 17 is electrically connected with the controller 20;
In this embodiment, the stirring shaft 18 is driven to rotate by the first motor 17, so that the stirring blade 19 is driven to rotate, and stirring of garbage is further realized, so that microorganisms and garbage can be fully contacted, and the anaerobic digestion efficiency is further improved.
Further, as shown in fig. 2 to 4, one end of the top of the anaerobic digestion tank 1 far away from the conduit 16 is communicated with a feeding pipe 21, and the top of the feeding pipe 21 is in threaded connection with a sealing cover 22;
In this embodiment, water or other auxiliary substances and catalysts which are convenient for anaerobic digestion can be added into the anaerobic digestion tank 1 through the design of the adding pipe, and when needs to be described, the dewatering operation is performed on the garbage in the pretreatment mechanism, so that the garbage can flow and mix more easily in the internal circulation system in the anaerobic digestion tank 1, and the excessive water content can cause unsmooth flow and even blockage of the garbage in the circulation process, so that when the water in the garbage is excessively removed, the fluidity is reduced, and then staff can add the water into the anaerobic digestion tank 1 through the adding pipe, thereby ensuring the water content of the garbage.
Further, as shown in fig. 3 to 4, a temperature sensor 23 is installed at the top of the inner wall of the anaerobic digestion tank 1, a heating plate 24 is installed at the bottom of the inner wall of the anaerobic digestion tank 1, and the temperature sensor 23 and the heating plate 24 are electrically connected with the controller 20;
In this embodiment, the temperature inside the anaerobic digestion tank 1 can be sensed by the design of the temperature sensor 23, and data signals are transmitted to the controller 20, the controller 20 controls the temperature of the heating plate 24 according to the signals transmitted by the temperature sensor 23, so that the anaerobic digestion process is ensured to be performed within a proper temperature range, microorganisms can always keep higher activity, thereby effectively decomposing organic matters, and in addition, the organic matters in the garbage can be dissolved more quickly at a higher temperature, so that the efficiency of the whole digestion process can be improved.
Further, as shown in fig. 2 to 4, the top end inside the anaerobic digestion tank 1 is fixedly connected with an annular pipe 25, the bottom of the annular pipe 25 is communicated with a plurality of spraying ports 26, one end of the bottom of the side wall of the anaerobic digestion tank 1 is communicated with a centrifugal pump 27, the output end of the centrifugal pump 27 is communicated with the annular pipe 25 through a return pipe 28, and the centrifugal pump 27 is electrically connected with the controller 20;
In this embodiment, the garbage deposited at the bottom of the anaerobic digestion tank 1 is pumped out by the centrifugal pump 27 and conveyed into the annular pipe 25, and finally sprayed out from the spraying port 26 at the bottom of the annular pipe 25, so that the garbage can circularly flow up and down in the anaerobic digestion tank 1, and further, the garbage can be fully contacted with microorganisms, and thus, the anaerobic digestion efficiency can be further improved.
Further, as shown in fig. 10, one end of the side wall of the crushing box 5 is rotatably connected with two gears 29, the two gears 29 are meshed with each other, and the two gears 29 are fixedly connected with the two crushing rollers 7 respectively;
in the embodiment, the two crushing rollers 7 can synchronously and reversely rotate through the design of the gear 29, so that the crushing rollers 7 are convenient for crushing garbage.
Further, as shown in fig. 1, a second motor 30 is fixedly connected to the side wall of one end of the crushing box 5 far away from the gear 29, and the output end of the second motor 30 is fixedly connected with the crushing roller 7;
In the present embodiment, the driving force is provided for the rotation of the pulverizing rollers 7 by the design of the second motor 30, wherein since the two pulverizing rollers 7 can be reversely rotated in synchronization by the design of the gear 29, only one second motor 30 is required to be installed to simultaneously drive the two pulverizing rollers 7 to rotate, thereby reducing the manufacturing cost of the apparatus.
Further, as shown in fig. 1 and 8, one end of the side wall of the conduit 16 is slidably connected with a gate plate 31, one end of the side wall of the anaerobic digestion tank 1 is fixedly connected with a supporting arm 32, a top fixing plate of the supporting arm 32 is connected with an electric telescopic rod 33, an output end of the electric telescopic rod 33 is fixedly connected with the gate plate 31, and the electric telescopic rod 33 is electrically connected with the controller 20;
In this embodiment, the anaerobic digestion tank 1 needs to be in a low oxygen state during the anaerobic digestion process, so the shutter 31 can be driven to move by the design of the electric telescopic rod 33, so that the shutter 31 can seal the conduit 16, thereby preventing oxygen from entering the anaerobic digestion tank 1 from the conduit 16.
Further, as shown in fig. 9, one end of the side wall of the conduit 16 is provided with a through hole 34, the inner wall of the conduit 16 is provided with a chute 35 at the position of the through hole 34, and the through hole 34 and the chute 35 are both in sliding connection with the flashboard 31;
in this embodiment, the shutter 31 is slidably connected to the guide tube 16 by the through hole 34 and the chute 35.
Further, as shown in fig. 1 and 10, the top of the crushing box 5 is communicated with a receiving hopper 36, one end of the exhaust pipe 2 is provided with a first valve 37, one end of the slag discharging pipe 3 is provided with a second valve 38, the bottom of the anaerobic digestion tank 1 is fixedly connected with four supporting legs 39, and the bottom of the first connecting sleeve 9 is fixedly connected with a supporting column 40;
In this embodiment, the anaerobic digestion tank 1 can be in a low-oxygen state by the design of the first valve 37 and the second valve 38, so that anaerobic digestion is facilitated, the anaerobic digestion tank 1 is supported by the design of the supporting legs 39, and the first connecting sleeve 9 is supported by the design of the supporting columns 40, so that the whole structure is more stable.
Working principle: firstly, pouring kitchen waste into a crushing box 5 from a receiving hopper 36, simultaneously opening a second motor 30, driving a crushing roller 7 connected with the output end of the second motor 30 to rotate, wherein the two crushing rollers 7 are connected together through two gears 29 in a transmission way, after the motor is started, the two crushing rollers 7 can synchronously rotate reversely to crush the kitchen waste, the crushed waste falls into a filtering sleeve 6 through a connecting pipe 8, simultaneously opening a first air cylinder 11 and a second air cylinder 13, driving the first air cylinder 11 and the second air cylinder 13, the first pressing plate 12 and the second pressing plate 14 are mutually close to each other to squeeze the waste, so that redundant water in the waste is squeezed out, dehydration of the waste is realized, the dehydrated water drops into a conical sleeve 4 through the filtering sleeve 6, the dehydrated garbage can flow and mix more easily in an internal circulation system in the anaerobic digestion tank 1 along an inflow drain pipe 15 at the bottom of the conical sleeve 4, excessive moisture content can cause unsmooth flow and even blockage of the garbage in the circulation process, if the moisture in the garbage is excessively removed and the fluidity is reduced, workers can add the moisture into the anaerobic digestion tank 1 through an adding pipe so as to ensure the moisture content of the garbage, after the garbage is dehydrated, the second cylinder 13 is opened to drive the second pressing plate 14 to move into the second connecting sleeve 10, the first cylinder 11 is opened to drive the first pressing plate 12 to push the garbage to the position of the guide pipe 16, the garbage can fall into the anaerobic digestion tank 1 through the guide pipe 16, the electric telescopic rod 33 is required to be opened before the anaerobic digestion process, let its drive flashboard 31 remove to seal pipe 16, thereby guarantee that oxygen can not enter into anaerobic digestion jar 1 inside from pipe 16, need open first motor 17 at anaerobic digestion in-process, drive stirring axle 18 through first motor 17 and rotate, thereby drive stirring leaf 19 and rotate, and then realize the stirring to rubbish, open centrifugal pump 27 when first motor 17 opens, take out the rubbish of anaerobic digestion jar 1 bottom through centrifugal pump 27's effect, and carry in annular duct 25, finally spout from spray port 26, so make rubbish can circulate from top to bottom in anaerobic digestion jar 1, so rubbish just can be more easily with microorganism contact under the interwork of first motor 17 and centrifugal pump 27, thereby improve anaerobic digestion efficiency, and in addition, the inside temperature-sensing ware 23 of anaerobic digestion jar 1 can respond to anaerobic digestion jar 1 inside temperature, and convey data signal to controller 20, the temperature of 24 is controlled according to the signal that temperature-sensing ware 23 sent, ensure that anaerobic digestion carries out in suitable temperature range, can keep the biological activity can be higher in the anaerobic digestion jar 1 from top to bottom at the temperature range of anaerobic digestion jar, can be more effectively dissolved in the anaerobic digestion jar 2 like this, can be more effectively in the process, can be dissolved in the marsh gas can be more efficient in the exhaust pipe, in addition.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Kitchen garbage anaerobic digestion high-efficient processing system includes:
An exhaust pipe (2) is communicated with one end of the top of the anaerobic digestion tank (1), and a slag discharge pipe (3) is communicated with the bottom of the anaerobic digestion tank (1);
the pretreatment mechanism is arranged at one end of the top of the anaerobic digestion tank (1);
The method is characterized in that:
The pretreatment mechanism comprises a conical sleeve (4), a crushing box (5) and a filtering sleeve (6), wherein the conical sleeve (4) is horizontally arranged, the crushing box (5) is arranged at one end of the large diameter at the top of the conical sleeve (4), two crushing rollers (7) are rotatably connected to the inner wall of the crushing box (5), the filtering sleeve (6) is fixedly connected to the inner wall of the conical sleeve (4), a connecting pipe (8) is communicated with the bottom of the crushing box (5), the bottom of the connecting pipe (8) extends to the inside of the conical sleeve (4) and is communicated with the filtering sleeve (6), the filtering sleeve (6) is positioned at one end of the crushing box (5) and is communicated with a first connecting sleeve (9), a second connecting sleeve (10) is arranged at the other end of the filtering sleeve (6), a first air cylinder (11) is arranged on the inner wall of the first connecting sleeve (9), a first pressing plate (12) is fixedly connected to the output end of the air cylinder, a second air cylinder (13) is fixedly connected to the inner wall of the second connecting sleeve, a second pressing plate (14) is fixedly connected to the output of the second air cylinder (13), a second pressing plate (14) is positioned at the bottom of the crushing box (5) and is communicated with a first water drain pipe (16), the bottom of the conduit (16) is communicated with the anaerobic digestion tank (1).
2. The efficient kitchen waste anaerobic digestion treatment system according to claim 1, wherein a first motor (17) is arranged in the center of the top of the anaerobic digestion tank (1), the output end of the first motor (17) is fixedly connected with a stirring shaft (18), two ends of the side wall of the stirring shaft (18) are respectively and fixedly connected with stirring blades (19), a controller (20) is arranged at one end, far away from the exhaust pipe (2), of the top of the anaerobic digestion tank (1), and the first motor (17) is electrically connected with the controller (20).
3. The efficient kitchen waste anaerobic digestion treatment system according to claim 2, wherein a feeding pipe (21) is communicated with one end, far away from the guide pipe (16), of the top of the anaerobic digestion tank (1), and a sealing cover (22) is connected with the top of the feeding pipe (21) in a threaded manner.
4. The efficient kitchen waste anaerobic digestion treatment system as claimed in claim 3, wherein the temperature sensor (23) is installed at the top of the inner wall of the anaerobic digestion tank (1), the heating plate (24) is installed at the bottom of the inner wall of the anaerobic digestion tank (1), and the temperature sensor (23) and the heating plate (24) are electrically connected with the controller (20).
5. The efficient kitchen waste anaerobic digestion treatment system according to claim 4, wherein an annular pipe (25) is fixedly connected to the top end inside the anaerobic digestion tank (1), a plurality of spraying ports (26) are formed in the bottom of the annular pipe (25), a centrifugal pump (27) is communicated to one end of the bottom of the side wall of the anaerobic digestion tank (1), the output end of the centrifugal pump (27) is communicated with the annular pipe (25) through a return pipe (28), and the centrifugal pump (27) is electrically connected with the controller (20).
6. The efficient kitchen waste anaerobic digestion treatment system according to claim 1, wherein one end of the side wall of the crushing box (5) is rotatably connected with two gears (29), the two gears (29) are meshed with each other, and the two gears (29) are fixedly connected with the two crushing rollers (7) respectively.
7. The efficient kitchen waste anaerobic digestion treatment system according to claim 6, wherein a second motor (30) is fixedly connected to the side wall of one end, far away from the gear (29), of the crushing box (5), and the output end of the second motor (30) is fixedly connected with the crushing roller (7).
8. The efficient kitchen waste anaerobic digestion treatment system according to claim 1, wherein one end of the side wall of the guide pipe (16) is slidably connected with a flashboard (31), one end of the side wall of the anaerobic digestion tank (1) is fixedly connected with a supporting arm (32), a top fixing plate of the supporting arm (32) is connected with an electric telescopic rod (33), the output end of the electric telescopic rod (33) is fixedly connected with the flashboard (31), and the electric telescopic rod (33) is electrically connected with the controller (20).
9. The efficient kitchen waste anaerobic digestion treatment system as claimed in claim 8, wherein one end of the side wall of the guide pipe (16) is provided with a through hole (34), a chute (35) is arranged at the position, located at the through hole (34), of the inner wall of the guide pipe (16), and the through hole (34) and the chute (35) are both in sliding connection with the flashboard (31).
10. The efficient kitchen waste anaerobic digestion treatment system according to claim 1, wherein the top of the crushing box (5) is communicated with a receiving hopper (36), a first valve (37) is installed at one end of the exhaust pipe (2), a second valve (38) is installed at one end of the slag discharging pipe (3), four supporting legs (39) are fixedly connected to the bottom of the anaerobic digestion tank (1), and supporting columns (40) are fixedly connected to the bottom of the first connecting sleeve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411194239.7A CN119259655A (en) | 2024-08-28 | 2024-08-28 | Anaerobic digestion and efficient treatment system for kitchen waste |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411194239.7A CN119259655A (en) | 2024-08-28 | 2024-08-28 | Anaerobic digestion and efficient treatment system for kitchen waste |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121060935A (en) * | 2025-11-05 | 2025-12-05 | 江苏康泰环保装备有限公司 | Device for advanced treatment of agricultural manure solid waste alkalization |
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- 2024-08-28 CN CN202411194239.7A patent/CN119259655A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121060935A (en) * | 2025-11-05 | 2025-12-05 | 江苏康泰环保装备有限公司 | Device for advanced treatment of agricultural manure solid waste alkalization |
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