CN217535857U - Organic solid waste intelligent ultrahigh-temperature aerobic fermentation equipment - Google Patents
Organic solid waste intelligent ultrahigh-temperature aerobic fermentation equipment Download PDFInfo
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- CN217535857U CN217535857U CN202221436787.2U CN202221436787U CN217535857U CN 217535857 U CN217535857 U CN 217535857U CN 202221436787 U CN202221436787 U CN 202221436787U CN 217535857 U CN217535857 U CN 217535857U
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Abstract
The utility model relates to an organic solid useless good oxygen fermentation equipment field, concretely relates to organic solid useless intelligence ultra-temperature good oxygen fermentation equipment. The equipment comprises a feeding and discharging device, a fermentation cabin body, an aeration device, a gas washing device and a full-automatic turner. The feeding and discharging device can realize the feeding of fermentation raw materials and the discharging of fermentation products; after the fermentation raw materials enter the cabin, the aeration device provides oxygen for the fermentation raw materials, so that the aerobic fermentation environment is ensured; the full-automatic turner can ensure the looseness of the fermentation pile and finish the transportation of the fermentation material from the feed inlet to the discharge outlet by periodically and discontinuously turning the fermentation pile; finally, conveying the fermentation product out of the fermentation cabin by a discharging device; the waste gas generated in the whole fermentation process is purified by a gas washing device, so that the pollution to the atmosphere is prevented. The utility model provides an organic solid waste aerobic fermentation system which is convenient to install and transport and can effectively improve the aerobic fermentation efficiency.
Description
Technical Field
The utility model relates to an organic solid useless good oxygen fermentation equipment field, concretely relates to organic solid useless intelligent ultra-temperature good oxygen fermentation equipment.
Background
Organic matters, nitrogen, phosphorus, potassium and other nutrient elements causing water body pollution are enriched in the organic solid waste, and meanwhile, the organic solid waste contains a large number of pathogenic microorganisms, is easy to rot and smell, can cause very serious environmental pollution and ecological damage if being improperly disposed, and is also a great resource waste. The traditional composting process has low fermentation efficiency, is easy to convert into anaerobic fermentation due to insufficient oxygen supply, can generate a large amount of odor such as hydrogen sulfide and the like, and has explosion risk; meanwhile, the treatment equipment is backward, the treatment process excessively depends on manpower, and the problems of low treatment efficiency and dangerous working environment are aggravated.
At present, the main treatment and disposal modes for municipal sludge, livestock and poultry manure, garden green plant solid waste and other organic solid waste at home and abroad are landfill, drying incineration and land utilization, and an anaerobic digestion technology and an aerobic fermentation technology are mainly applied to the treatment process. The aerobic fermentation technology for organic solid waste is a new biological treatment technology for fermentation by utilizing microorganisms in the organic solid waste, namely, a certain proportion of leavening agent and conditioning agent are added into the organic solid waste, a microbial community is utilized to carry out oxidative decomposition on various organic matters under a humid environment and convert the organic matters into humoid with higher stability, so that the effects of stabilization, harmlessness, reduction and resource recycling can be achieved in practical application, and the aerobic fermentation technology has the characteristics of economy, practicability, no need of additional energy, no secondary pollution and the like, and is a practical technology suitable for treating the organic solid waste.
The aerobic fermentation technology has been greatly developed in recent years. However, aerobic fermentation still faces more factors which restrict further application of the aerobic fermentation, and the factors mainly comprise floor space, auxiliary materials, intelligent control, miniaturization, device integration, microbial inoculum inoculation, odor treatment and the like.
In addition, the existing organic solid waste aerobic fermentation system mixes organic matters (sludge, livestock and poultry manure and the like), moisture and strains (microorganisms) in a fermentation bin, oxygen is introduced from the bottom end of the fermentation bin, and the strains need to oxidize the organic matters in an oxygen environment, so that the stacking height of the organic solid waste cannot be too high, the lower part of a stack body can be compacted due to the weight effect when the stacking height is too large, normal ventilation cannot be performed, a good oxygen environment cannot be provided for the strains, the aerobic fermentation cannot be continuously performed, and the fermentation effect is influenced.
Therefore, an intelligent aerobic fermentation chamber based on automatic control and an aerobic fermentation method are needed to overcome the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects of the prior art, and provides an organic solid waste aerobic fermentation system which is convenient to install and transport and can effectively improve the aerobic fermentation efficiency.
The technical scheme of the utility model as follows:
an organic solid waste intelligent ultra-high temperature aerobic fermentation device comprises a feeding device, an intelligent fermentation cabin and a gas washing device; the intelligent fermentation cabin comprises a discharging device, an aeration device and a full-automatic turner; the fermentation cabin body contains the full-automatic turner, the aeration device and the discharging device.
The feeding device and the discharging device realize the cabin entry of the fermentation raw materials and the cabin exit of the fermentation products; after the fermentation raw materials enter the intelligent fermentation cabin, the aeration device provides oxygen for the fermentation raw materials, so that the aerobic fermentation environment is ensured; the full-automatic turner can ensure the looseness of the fermentation piles and finish the transportation of the fermentation products from the feed inlet to the discharge outlet by periodically and discontinuously turning the fermentation piles; finally, conveying the fermentation product from the intelligent fermentation cabin body by a discharging device; the waste gas generated in the whole fermentation process is purified by the gas washing device, so that the pollution to the atmosphere is prevented.
The feeding device conveys organic solid waste materials to the upper end of the intelligent fermentation cabin, the organic solid waste materials are thrown down from the upper end, and the materials are conveyed into the intelligent fermentation cabin for fermentation; in the fermentation process, the full-automatic turner is used for periodically turning and throwing the materials, so that the looseness of the materials is ensured, and the transportation of the materials in the cabin body is completed; meanwhile, oxygen is continuously provided by the aeration device in the cabin in the fermentation process, so that the oxygen in the cabin is sufficient; after fermentation is completed, fermentation products thrown to the vicinity of the discharging device by a full-automatic turning machine are delivered out of the intelligent fermentation cabin through the discharging device;
the feeding device consists of a conveying belt and a feeding hole; the feeding device realizes the automatic matching of the conveyor belt and the feeding hole to complete feeding; after the materials enter the fermentation cabin, the full-automatic turning machine turns the materials, the turning machine can periodically turn the materials discontinuously to realize the transportation of the materials in the cabin, finally the materials are conveyed to a discharge hole, and the discharging device finishes discharging.
The full-automatic turner comprises a traveling device and a swing arm-throwing wheel device;
the full-automatic turner realizes material turning through the up-and-down swinging of a pendulum of the turner and the rolling of a pendulum roller; meanwhile, the turner moves back and forth along the self-propelled sliding track to fully stir the organic solid wastes in the fermentation bin, so that aerobic bacteria can fully contact with air to finish high-efficiency fermentation. The fully automatic turner is shown in fig. 3, which is a schematic view of an initial position.
The traveling device comprises a T-shaped wheel system, a speed reducing motor and a track cleaning device. The traveling device moves back and forth by utilizing a track and totally comprises four T-shaped wheel systems and a speed reducing motor to realize the movement function. The moving part is driven by a motor, is transmitted to a front transmission shaft by chain transmission, and the two ends of the shaft drive two T-shaped wheels to realize power transmission so as to realize movement. The two rear T-shaped wheels are unpowered and independent wheel sets, and play a supporting role in the whole body. Each independent wheel set comprises two bearings, a wheel set frame, a middle shaft and a T-shaped wheel, the wheel sets of the driving wheels share the middle shaft, and the non-driving wheels respectively have the middle shaft. The driving wheel part is arranged at the outer sides of the four wheels, and is respectively provided with a track cleaning device which is connected with a brush through a small speed reducing motor and a coupler to clean the track, so that the influence of sundries on the advancing of the turner is avoided; the track cleaning device of the advancing device comprises a small speed reducing motor, a coupler and a brush.
The swing arm-throwing wheel device is driven by hydraulic cylinders arranged on two sides of the swing arm to swing the swing arm connected with the turning and throwing roller, and the maximum coverage angle can reach the position right below the turning and throwing roller. The turning action realizes the direct drive by using a small hydraulic system and achieves the reversing action by using an electromagnetic valve, thereby completing the swinging working state. The rotation of the throwing wheel is driven by a motor above the swing arm, the motor is connected with a central high-speed transmission shaft, the speed is reduced by a planetary gear reducer, the output direction of an ARA series spiral bevel gear steering box is changed, finally, torque is output by transmission shafts on two sides to drive the throwing wheel to rotate, and all speed reduction and transmission structures are arranged in the swing arm and the roller wheel without complex chain transmission or gear transmission.
The throwing wheel comprises a roller A and a material shifting toothed sheet A fixedly arranged on the outer wall of the roller A, and through the process, a motor above the swing arm transmits power to the horizontal transmission shaft to drive the roller A to rotate, and the material shifting toothed sheet A positioned on the roller A rotates at a high speed to smash, throw and throw the organic solid waste materials to the material discharge port.
The material shifting toothed sheets A are connected to form a spiral shape and are arranged on the outer wall of the roller A, and the material shifting toothed sheets A are in a city wall shape after being unfolded. The material shifting toothed sheets A are vertically staggered and arranged side by side in a square tooth shape and are distributed outside the throwing wheel device in a spiral arrangement mode.
The design of the throwing wheel is that the material shifting toothed sheet A on the outer wall of the roller A is utilized to stir the material and gradually turn and throw the material to a material discharge port, so that the deposition of the organic solid waste material can be scattered, good conditions are provided for stirring the leavening agent and the conditioning agent for the secondary fermentation, the turning and the sludge crushing promote the heat dissipation of the fermented material, and the aerobic environment for the fermentation is ensured.
The material shifting toothed sheets A are connected together after being folded and form a spiral shape to be installed on the outer wall of the roller A, so that the installation strength of the material shifting toothed sheets A is improved, and the material shifting area is increased. The outer wall of the roller A is full of spiral material shifting toothed sheets formed by connecting the material shifting toothed sheets A, the spiral material shifting toothed sheets are distributed in parallel, and a gap is reserved in the middle of the material shifting toothed sheets for accommodating cut organic solid waste materials.
Furthermore, the material poking toothed sheet A is in a comb shape after being unfolded.
The aeration device comprises a plurality of aeration pipes, and the aeration pipes are connected in a tree shape outside the fermentation bin through connecting branch pipes. The tree-shaped connection mode has a spatial multilayer structure, all the layers are parallel, and all the aeration pipes are connected to a high-pressure fan in a centralized mode.
Furthermore, the aeration pipes are parallel and have equal intervals, and the side walls of the aeration pipes are provided with a plurality of aeration holes in the axial direction and the circumferential direction; the aeration holes are distributed at intervals of 120 degrees upwards in the aeration pipe and penetrate through the pipe wall along the radial direction.
The aeration holes penetrate through the pipe wall of the aeration pipe to form, the inlets of the aeration holes in the pipe wall of the aeration pipe are small, the outlets of the aeration holes outside the pipe wall of the aeration pipe are large, and the aeration holes are arranged from the inlets of the aeration holes to the outlets of the aeration holes in an inclined mode.
The aeration pipes are horizontally distributed at the bottom in the fermentation bin, and the aeration holes are uniformly distributed in the fermentation bin through the arrangement of the connecting branch pipes with the tree-shaped structures and the aeration pipes which are distributed in parallel, so that the requirement of aerobic fermentation of materials at all positions in the fermentation bin is met, and the aerobic fermentation rate is improved.
Furthermore, in a better installation scheme, a bisector of a radial included angle between the two aeration holes is vertically downward.
Furthermore, the aeration device comprises 4 groups of aeration pipes, 6 aeration pipes are uniformly laid at the bottom of the bin, each pipeline is arranged at intervals of 1m, and a plurality of aeration holes are arranged on the pipelines according to the optimal distance. Therefore, the aeration pipe adopts a PVC pipeline and is directly fixed on the bottom plate by the U-shaped pipe clamp, and the fixation is reliable. The aeration pipe is flexibly connected with the air inlet pipe through the connecting branch pipe and then is connected with the powerful fan.
As for the aeration pipe and the aeration hole, when the airflow passes through, the airflow is compressed instantly, so that the flow speed can be increased, and the strength of the airflow rushing out of the sludge in the aeration hole is improved. Meanwhile, due to the vertical downward arrangement of the bisector of the radial included angle, the airflow can be rushed out towards the lower side, sludge can fall off from the aeration hole more easily, and the risk of blockage of the aeration hole is reduced. When sludge enters the aeration holes to block the aeration holes, air in the aeration holes is blocked from being discharged, and the pressure is increased until the static pressure at the tail end of the outlet of the aeration holes is exceeded, so that axial airflow is formed in the aeration holes and negative pressure is generated, the sludge blocking the aeration holes is discharged, the problem of blocking is solved, the aeration efficiency is effectively improved, and the fermentation efficiency is ensured.
The discharging device comprises a shaft screw conveyor and a material gathering device; the shaft screw conveyor comprises a driving motor, a rotating shaft, helical blades and a conveying shell, wherein the driving motor is connected with the rotating shaft to drive the helical blades distributed on the rotating shaft. The driving motor drives the rotating shaft A to rotate, and the materials are conveyed to the discharging end of the conveying shell through the rotation of the spiral blade on the shaft, so that discharging is completed;
the material gathering device is provided with two rotating shafts B which are arranged side by side, and the outer wall of each rotating shaft B is provided with material shifting toothed sheets B which are distributed spirally and used for grabbing materials; the rotating directions of the two rotating shafts B are opposite, the material gathering device is horizontally laid at the discharging end at the bottom of the fermentation cabin, the upper part of the material gathering device is provided with fermentation materials, the lower part of the material gathering device is provided with a material discharging hole, and the rotating shafts B gather the materials through the material shifting toothed sheets B on the rotating shafts B and gather the materials into the shaft screw conveyer positioned below the rotating shafts B through the lower discharging hole; the discharging is completed by a shaft screw conveyor.
When the organic solid waste is discharged from the fermentation cabin, the organic solid waste is deposited thickly and is difficult to transport, the directions are opposite through the design of rotating two rotating shafts B, the fermentation product can be stirred, and the organic solid waste fermentation material can be gathered by matching with the material shifting toothed sheets B designed on the rotating shafts; the fermented sludge material is conveyed to a material outlet by combining a shaft screw conveyor positioned below the sludge material.
The air washing device comprises an exhaust fan, a ventilation opening and air washing equipment.
The ventilation opening is positioned on one side of the discharging of the fermentation bin, is positioned right above the conveying shell, is close to the top of the fermentation bin, is circular and is connected with the gas washing equipment and the exhaust fan. An exhaust fan is arranged at the outlet of the ventilation opening at the inner side of the fermentation bin, the exhaust fan works to generate negative pressure in the fermentation bin, and waste gas generated by fermentation in the fermentation bin is exhausted through the ventilation opening. The gas washing equipment washes and purifies the waste gas discharged from the vent through a physical and chemical reaction. So as to reach the standard of emission and greatly reduce the pollution to the air.
The air washing device is mainly responsible for collecting and treating the generated odor, the odor generated by high-temperature fermentation is mainly NH3, and the odor also contains a very small amount of H2S, and the deodorization air quantity can be directly determined by the ventilation quantity.
Because the volume of the fermentation chamber is small, the deodorization air quantity is small, and the method is suitable for a physicochemical washing method. The gas washing equipment can be used for acid washing by selecting a spray washing tower with the diameter of about 2.5 meters and the height-diameter ratio of 2 as an odor treatment device. The washing tower is a gas-liquid countercurrent washing device and is provided with a plurality of layers of fillers and a spray head, and the spray head continuously sprays acid liquor onto the fillers. The waste gas generated in the fermentation chamber is pumped into the bottom of the washing tower through the fan and the blower at the top of the chamber. In the process of upward operation, the gas contacts the filler and is fully mixed with the acid liquor in the filler to form ammonium salt, so that the aim of purification is fulfilled.
Compared with the prior art, the beneficial effects of the utility model include:
the utility model discloses utilize fermentation cabin in-cabin fermentation, the not mobilizable problem of fermenting installation and the insufficient problem of aerobic fermentation that the circulation of air difficulty caused of the fermentation of the pit filled type fermentation at prior art center have been solved, the device of input and output in this structure, the fermentation cabin body, aeration equipment, gas washing device and full-automatic throwing machine that turns over, can divide the body to transport and install, be suitable for the application, place the position simultaneously in a flexible way, need not occupy the land resource, at fermentation cabin fit in design aeration equipment, easy compaction in the organic solid waste material fermentation box has been solved, ventilate and the problem that temperature control is difficult to the guarantee, aeration unit is covered with whole fermentation box, make the interior mud material of fermentation box can abundant aerobic fermentation, the aerobic fermentation rate has been improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention 1;
fig. 2 is a schematic view of the overall structure of the present invention 2;
FIG. 3 is a schematic view of the full-automatic turner of the present invention;
FIG. 4 is a schematic view of a discharging device of the present invention;
FIG. 5 is a schematic view of the intelligent fermentation chamber of the present invention.
In the figure: 1 a feeding device; 2, a full-automatic turner; 3, an intelligent fermentation cabin; 4, an aeration device; 5, a discharging device; 6, a gas washing device; 11 a conveyor belt; 12 feeding ports; 21 swing arm-throwing wheel device; 211 hydraulic cylinders; 212 a small hydraulic system; 213 swing arm upper motor; 214 high speed drive shaft; 215 planetary gear reducer; 216ARA series helical bevel gear steering case; 217 a drive shaft; 218, a roller A;219 kick-off teeth sheet a; 22 a traveling device; a 221T wheel system; 222 a speed reduction motor; 223 a track cleaning device; 2231 small-sized reduction motors; 2232 a coupling; 2233 a brush; 41 an aerator pipe; 42 connecting the branch pipes; 43 aeration holes; 44 high-pressure fan; a 51-axis screw conveyor; 511 a driving motor; 512 a rotation axis A;513 a helical blade; 514. a transport housing; 52 a material accumulation device; 521 rotating the shaft B;522 a roller B;523 kick-off tooth sheet B; 524. a housing; 525 a drive device. 61 exhaust fan; 62 a vent; 63 a gas scrubbing apparatus.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.
Example 1:
an organic solid waste intelligent ultra-high temperature aerobic fermentation device comprises a feeding device 1, an intelligent fermentation cabin 3 and a gas washing device 6; the intelligent fermentation cabin 3 comprises a discharging device 5, an aeration device 4 and a full-automatic turner 2; the fermentation cabin body covers the full-automatic turner 2, the aeration device 4 and the discharging device 5 inside.
The feeding device 1 and the discharging device 5 realize the cabin entry of fermentation raw materials and the cabin exit of fermentation products; after the fermentation raw materials enter the intelligent fermentation cabin, the aeration device 4 provides oxygen for the fermentation raw materials, so that the aerobic fermentation environment is ensured; the full-automatic turner 2 can ensure the looseness of the fermentation piles and finish the transportation of the fermentation products from the feed inlet to the discharge outlet by periodically and discontinuously turning the fermentation piles; finally, the fermentation product is conveyed away from the intelligent fermentation cabin body by a discharging device 5; the waste gas generated in the whole fermentation process is purified by the gas washing device 6, so that the pollution to the atmosphere is prevented.
The feeding device 1 conveys organic solid waste materials to the upper end of the intelligent fermentation cabin 3, the organic solid waste materials are thrown down from the upper end, and the materials are conveyed into the intelligent fermentation cabin 3 for fermentation; in the fermentation process, the full-automatic turner 2 is used for periodically turning the materials, so that the looseness of the materials is ensured, and the transportation of the materials in the cabin body is completed; meanwhile, the aeration device 4 continuously provides oxygen in the cabin in the fermentation process, so that the oxygen in the cabin is sufficient; after fermentation is completed, fermentation products thrown to the vicinity of the discharging device 5 by the full-automatic turner 2 are delivered out of the intelligent fermentation cabin 3 through the discharging device 5;
the feeding device 1 consists of a conveyor belt 11 and a feeding hole 12; the feeding device 1 realizes the automatic matching of the conveyor belt 11 and the feeding hole 12 to complete feeding; after the materials enter the fermentation cabin, the full-automatic turner 2 turns over the materials, the turner can periodically turn over the materials intermittently to realize the transportation of the materials in the cabin, finally the materials are conveyed to a discharge port, and the discharging device 5 finishes discharging.
The full-automatic turner 2 comprises a travelling device 22 and a swing arm-throwing wheel device 21;
the full-automatic turner 2 realizes material turning through the up-and-down swinging of a pendulum of the turner and the rolling of a pendulum roller; meanwhile, the turner moves back and forth along the self-propelled sliding track to fully stir the organic solid wastes in the fermentation bin, so that aerobic bacteria can fully contact with air to finish high-efficiency fermentation. Fig. 3 shows the fully automatic turner 2 in an initial position.
The traveling device 22 comprises a T-shaped wheel system 221, a speed reducing motor 222 and a track cleaning device 223. The traveling device 22 performs a back and forth movement by using a rail, and includes four T-wheel systems 221 and a reduction motor 222 to perform a movement function. The moving part is driven by a motor, is transmitted to a front transmission shaft by chain transmission, and drives two T-shaped wheels to realize power transmission at two ends of the shaft so as to realize movement. The two rear T-shaped wheels are unpowered, are independent wheel sets and play a supporting role in the whole body. Each independent wheel set comprises two bearings, a wheel set frame, a middle shaft and a T-shaped wheel, the wheel sets of the driving wheels share the middle shaft, and the non-driving wheels respectively have the middle shaft. The driving wheel part is arranged at the outer sides of the four wheels, and is respectively provided with a track cleaning device which is connected with a brush through a small speed reducing motor and a coupler to clean the track, so that the influence of sundries on the advancing of the turner is avoided; the track cleaning device 223 of the traveling device 22 includes a small-sized reduction motor 2231, a coupling 2232, and a brush 2233.
The swing arm-throwing wheel device 21 drives the swing arm connected with the turning and throwing roller to swing through the hydraulic cylinders 211 arranged on two sides of the swing arm, and the maximum coverage angle can reach the position right below. The turning action is realized by using the small hydraulic system 212 as direct drive and using the electromagnetic valve to achieve the reversing action, thereby completing the swinging working state. The rotation of the throwing wheel is driven by a motor 213 above the swing arm, connected with a central high-speed transmission shaft 214, decelerated by a planetary gear reducer 215, changed in output direction by an ARA series spiral bevel gear steering box 216, and finally output torque by transmission shafts 217 at two sides to drive the throwing wheel to rotate, and all the deceleration and transmission structures are arranged inside the swing arm and the roller without using complicated chain transmission or gear transmission.
The throwing wheel comprises a roller A218 and a material shifting toothed sheet A219 fixedly arranged on the outer wall of the roller A218, and through the process, the motor 213 above the swing arm transmits power to the horizontal transmission shaft 217 to drive the roller A218 to rotate, and the material shifting toothed sheet A219 positioned on the roller A rotates at a high speed to smash, throw and throw the organic solid waste materials to the material discharge hole.
The material shifting toothed sheets A219 are multiple, the material shifting toothed sheets A219 are connected to form a spiral shape and are installed on the outer wall of the roller A218, and the material shifting toothed sheets A219 are in a city wall shape after being unfolded. The material shifting toothed sheets A219 are vertically staggered and arranged side by side in a square sheet tooth shape and are distributed outside the throwing wheel device in a spiral arrangement mode.
The design of the throwing wheel is that the material is stirred by the material stirring toothed sheet A219 on the outer wall of the roller A218 and gradually turned and thrown to a material discharge port, so that the deposition of the organic solid waste material can be scattered, good conditions are provided for stirring a leavening agent and a conditioning agent for secondary fermentation, the heat dissipation of the fermented material is promoted by turning and crushing the sludge, and the aerobic environment for fermentation is ensured.
The material shifting toothed sheets A219 are connected together after being folded and form a spiral shape to be installed on the outer wall of the roller A218, so that the installation strength of the material shifting toothed sheets A219 is improved, and the material shifting area is increased. The outer wall of the roller A218 is full of spiral material shifting toothed sheets formed by connecting material shifting toothed sheets A219, the spiral material shifting toothed sheets are distributed in parallel, and a gap is reserved in the middle for containing organic solid waste materials for cutting.
The aeration device 4 comprises a plurality of aeration pipes 41, and the aeration pipes 41 are connected in a tree shape outside the fermentation chamber through connecting branch pipes 42. The tree-like connection mode has a spatial multi-layer structure, each layer is parallel to each other, and each aeration pipe 41 is connected to the high-pressure fan 44 in a concentrated manner.
The aeration holes 43 are formed through the pipe wall of the aeration pipe 41, the inlets of the aeration holes 43 in the pipe wall of the aeration pipe 41 are small, the outlets of the aeration holes 43 outside the pipe wall of the aeration pipe 41 are large, and the aeration holes 43 are arranged in a downward inclined manner from the inlets of the aeration holes 43 to the outlets of the aeration holes 43.
The aeration pipes 41 are horizontally distributed at the bottom in the fermentation bin, and the aeration holes 43 are uniformly distributed in the fermentation bin through the arrangement of the connecting branch pipes 42 with the tree-shaped structure and the aeration pipes 41 which are distributed in parallel, so that the aerobic fermentation requirement of materials at each part in the fermentation bin is met, and the aerobic fermentation rate is improved.
The aeration pipe 41 and the aeration holes 43 are compressed instantaneously when the air flows through, so that the flow velocity can be increased, and the intensity of the air flow rushing out of the sludge in the aeration holes 43 can be improved. Meanwhile, due to the vertical downward arrangement of the bisector of the radial included angle, the airflow can be rushed out towards the lower oblique direction, sludge can fall off from the aeration holes 43 more easily, and the risk of blockage of the aeration holes 43 is reduced. When the sludge enters the aeration holes 43 to block the aeration holes 43, the air discharge in the aeration holes 43 is blocked, and the pressure is increased until the pressure exceeds the static pressure at the tail end of the outlet of the aeration holes 43, so that axial airflow is formed in the aeration holes 43 and negative pressure is generated, the sludge blocking the aeration holes 43 is discharged, the blocking problem is solved, the aeration efficiency is effectively improved, and the fermentation efficiency is ensured.
The discharging device 5 comprises a shaft screw conveyor 51 and a material gathering device 52; the shaft screw conveyor 51 comprises a driving motor 511, a rotating shaft A512, a spiral blade 513 and a conveying shell 514, wherein the driving motor 511 is connected with the rotating shaft A512 to drive the spiral blade 513 distributed on the rotating shaft A512. The driving motor 511 drives the rotating shaft A512 to rotate, and the materials are conveyed to the discharging end of the conveying shell 514 through the rotation of the spiral blades 513 on the shaft, so that the discharging is completed;
the material gathering device 52 is provided with two rotating shafts B521 which are arranged side by side, and the outer wall of each rotating shaft B521 is provided with material shifting toothed sheets B523 which are distributed spirally and used for grabbing materials; the rotating directions of the two rotating shafts B521 are opposite, the material gathering device 52 is horizontally paved at the discharging end at the bottom of the fermentation cabin, the upper part of the material gathering device is fermented materials, the lower part of the material gathering device is provided with a material discharging hole, and the rotating shafts B521 gather the materials through the material shifting toothed sheets B523 on the rotating shafts B521 and gather the materials into the shaft screw conveyer 51 positioned below the rotating shafts B through the lower discharging hole; the discharge is accomplished by a shafted screw conveyor 51.
When the organic solid waste is discharged from the fermentation cabin, the organic solid waste is deposited thickly and is difficult to transport, the directions are opposite through the design of rotation of two rotating shafts B521, fermentation products can be stirred, and the organic solid waste fermentation materials are gathered by matching with a material shifting toothed sheet B523 designed on the rotating shafts; the fermented sludge material is delivered to a material outlet by combining with a shaft screw conveyer 51 positioned below the sludge material.
The air washing device 6 comprises an exhaust fan 61, a ventilation opening 62 and a washing device 63.
The ventilation opening 62 is positioned on the discharging side of the fermentation bin, is positioned right above the conveying shell 514, is close to the top of the fermentation bin, is circular, and is connected 61 with the gas washing equipment 63 and the exhaust fan. An exhaust fan 61 is arranged at the outlet of the ventilation opening at the inner side of the fermentation chamber, the exhaust fan 61 works to generate negative pressure in the fermentation chamber, and waste gas generated by fermentation in the fermentation chamber is exhausted through a ventilation opening 62.
Example 2:
an organic solid waste intelligent ultra-high temperature aerobic fermentation device comprises a feeding device 1, an intelligent fermentation cabin 3 and a gas washing device 6; the intelligent fermentation cabin 3 comprises a discharging device 5, an aeration device 4 and a full-automatic turner 2; the fermentation cabin body covers the full-automatic turner 2, the aeration device 4 and the discharging device 5 inside.
The feeding device 1 consists of a conveyor belt 11 and a feeding hole 12; the feeding device 1 realizes the automatic matching of the conveyor belt 11 and the feeding hole 12 to complete feeding; after the material enters the fermentation cabin, the full-automatic turner 2 turns over the material, the turner can periodically turn over the material discontinuously to realize the transportation of the material in the cabin, finally conveys the material to a discharge port, and the discharging device 5 finishes discharging.
The full-automatic turner 2 comprises a travelling device 22 and a swing arm-throwing wheel device 21;
the swing arm-throwing wheel device 21 drives the swing arm connected with the turning and throwing roller to swing through the hydraulic cylinders 211 arranged on two sides of the swing arm, and the maximum coverage angle can reach the position right below. The turning action is realized by using the small hydraulic system 212 as direct drive and using the electromagnetic valve to achieve the reversing action, thereby completing the swinging working state. The rotation of the throwing wheel is driven by a motor 213 above the swing arm, connected with a central high-speed transmission shaft 214, decelerated by a planetary gear reducer 215, changed in output direction by an ARA series spiral bevel gear steering box 216, and finally output torque by transmission shafts 217 at two sides to drive the throwing wheel to rotate, and all the deceleration and transmission structures are arranged inside the swing arm and the roller without using complicated chain transmission or gear transmission.
The throwing wheel comprises a roller A218 and a plurality of material shifting toothed sheets A219 fixedly arranged on the outer wall of the roller A218, the material shifting toothed sheets A219 are connected to form a spiral shape and are arranged on the outer wall of the roller A218, and the material shifting toothed sheets A219 are in a comb shape after being unfolded.
The aeration device 4 comprises a plurality of aeration pipes 41, the aeration pipes 41 are parallel and equally spaced, and the side walls of the aeration pipes 41 are distributed by a plurality of aeration holes 43 in the axial and circumferential directions; the aeration holes 43 are distributed at intervals of 120 degrees upwards in the aeration pipe 41 and penetrate through the pipe wall along the radial direction.
The air washing device 6 comprises an exhaust fan 61, a ventilation opening 62 and a washing device 63. The gas washing device 63 washes and purifies the exhaust gas discharged through the vent 62 through a physical and chemical reaction. So as to reach the standard of emission and greatly reduce the pollution to the air.
Example 3:
an organic solid waste intelligent ultra-high temperature aerobic fermentation device comprises a feeding device 1, an intelligent fermentation cabin 3 and a gas washing device 6; the intelligent fermentation cabin 3 comprises a discharging device 5, an aeration device 4 and a full-automatic turner 2; the fermentation cabin body covers the full-automatic turner 2, the aeration device 4 and the discharging device 5 inside.
The aeration device 4 comprises 4 groups of aeration pipes 41, 6 aeration pipes are uniformly laid at the bottom of the bin, each pipeline is arranged at intervals of 1m, and a plurality of aeration holes 43 are arranged on the pipelines according to the optimal distance. Therefore, the aeration pipe 41 adopts a PVC pipeline and is directly fixed on the bottom plate by the U-shaped pipe clamp, and the fixation is reliable. The aeration pipe 41 is flexibly connected with an air inlet pipe through a connecting branch pipe 42 and then is connected with a powerful fan.
The aeration pipe 41 and the aeration holes 43 are compressed instantaneously when the air flows through, so that the flow velocity can be increased, and the intensity of the air flow rushing out of the sludge in the aeration holes 43 can be improved. Meanwhile, due to the vertical downward arrangement of the bisector of the radial included angle, the airflow can be rushed out towards the lower oblique direction, sludge can fall off from the aeration holes 43 more easily, and the risk of blockage of the aeration holes 43 is reduced. When the sludge enters the aeration holes 43 to block the aeration holes 43, the air discharge in the aeration holes 43 is blocked, and the pressure is increased until the pressure exceeds the static pressure at the tail end of the outlet of the aeration holes 43, so that axial airflow is formed in the aeration holes 43 and negative pressure is generated, the sludge blocking the aeration holes 43 is discharged, the blocking problem is solved, the aeration efficiency is effectively improved, and the fermentation efficiency is ensured.
The air washing device 6 comprises an exhaust fan 61, a ventilation opening 62 and air washing equipment 63; because the volume of the fermentation chamber is small, the deodorization air quantity is small, and the method is suitable for a physicochemical washing method. The gas washing equipment 63 can be used as an odor treatment device for acid washing by selecting a spray washing tower with the diameter of about 2.5 meters and the height-diameter ratio of 2. The washing tower is a gas-liquid countercurrent washing device and is provided with a plurality of layers of fillers and a spray head, and the spray head continuously sprays acid liquor onto the fillers. The waste gas generated in the fermentation bin is pumped into the bottom of the washing tower through a fan and a blower at the top of the fermentation bin. In the process of upward operation, the gas contacts the filler and is fully mixed with the acid liquor in the filler to form ammonium salt, so that the aim of purification is fulfilled.
Claims (10)
1. An organic solid waste intelligent ultra-high temperature aerobic fermentation device is characterized by comprising a feeding device (1), an intelligent fermentation cabin (3) and a gas washing device (6); the intelligent fermentation cabin (3) comprises a discharging device (5), an aeration device (4) and a full-automatic turner (2); the fermentation cabin body covers the full-automatic turner (2), the aeration device (4) and the discharging device (5) inside;
the feeding device (1) conveys organic solid waste materials to the upper end of the intelligent fermentation cabin (3), the organic solid waste materials are thrown down from the upper end, and the materials are conveyed into the intelligent fermentation cabin (3) for fermentation; the materials are periodically turned and thrown by the full-automatic turning and throwing machine (2) in the fermentation process, oxygen is continuously provided by the aeration device (4) in the cabin in the fermentation process, and after the fermentation is finished, the fermentation products are thrown to the vicinity of the discharging device (5) by the full-automatic turning and throwing machine (2) and are delivered out of the intelligent fermentation cabin (3) through the discharging device (5);
the aeration device (4) comprises a plurality of aeration pipes (41), and the aeration pipes (41) are connected in a tree shape outside the fermentation bin through connecting branch pipes (42); the tree-shaped connection mode has a spatial multilayer structure, all the layers are parallel, and all the aeration pipes (41) are intensively connected to a high-pressure fan (44);
the aeration holes (43) are formed by penetrating through the pipe wall of the aeration pipe (41), the inlets of the aeration holes (43) in the pipe wall of the aeration pipe (41) are small, the outlets of the aeration holes (43) outside the pipe wall of the aeration pipe (41) are large, and the aeration holes (43) are obliquely downwards arranged from the inlets of the aeration holes (43) to the outlets of the aeration holes (43);
the aeration pipes (41) are horizontally distributed at the bottom in the fermentation bin, aeration holes (43) are uniformly distributed in the fermentation bin by the arrangement of the connecting branch pipes (42) of the tree structure and the aeration pipes (41) which are distributed in parallel, and the bisector of the radial included angle of the two aeration holes (43) is vertically downward;
the discharging device (5) comprises a shaft screw conveyer (51) and a material gathering device (52); the shaft screw conveyor (51) comprises a driving motor (511), a rotating shaft A (512), screw blades (513) and a conveying shell (514), wherein the driving motor (511) is connected with the rotating shaft A (512) to drive the screw blades (513) distributed on the rotating shaft A; the driving motor (511) drives the rotating shaft A (512) to rotate, and materials are conveyed to the discharging end of the conveying shell (514) through the rotation of the spiral blade (513) on the shaft, so that discharging is completed;
the material gathering device (52) is provided with two rotating shafts B (521) which are arranged side by side, and the outer wall of each rotating shaft B (521) is provided with material shifting toothed sheets B (523) which are distributed spirally and used for grabbing materials; the rotating directions of the two rotating shafts B (521) are opposite, the material gathering device (52) is horizontally paved at the discharging end at the bottom of the fermentation cabin, the upper part of the material gathering device is fermentation materials, the lower part of the material gathering device is provided with a material discharging hole, the rotating shafts B (521) gather the materials through the material shifting toothed sheets B (523) on the rotating shafts B and gather the materials into the shaft screw conveyor (51) positioned below the rotating shafts B through the lower part discharging hole; the discharging is completed by a shaft screw conveyor (51);
the air washing device (6) comprises an exhaust fan (61), a ventilation opening (62) and air washing equipment (63); the ventilation opening (62) is positioned on the discharging side of the fermentation bin, is positioned right above the conveying shell (514), is close to the top of the fermentation bin, is circular, and is connected with the gas washing equipment (63) and the exhaust fan (61).
2. The intelligent ultrahigh-temperature aerobic fermentation equipment for organic solid wastes according to claim 1, wherein the aeration pipes (41) are parallel and equally spaced, and the side walls of the aeration pipes (41) are distributed by a plurality of aeration holes (43) in the axial and circumferential directions; the aeration holes (43) are distributed at intervals of 120 degrees upwards on the aeration pipe (41) and penetrate through the pipe wall along the radial direction.
3. The organic solid waste intelligent ultra-high temperature aerobic fermentation device according to claim 1 or 2, characterized in that the aeration device (4) comprises 4 groups of aeration pipes (41), each group of 6 aeration pipes is uniformly laid at the bottom of the bin, each pipeline is arranged at an interval of 1m, the aeration pipes (41) are PVC pipelines and are directly fixed on the bottom plate by U-shaped pipe clamps, so that the fixation is reliable.
4. The organic solid waste intelligent ultra-high temperature aerobic fermentation equipment as claimed in claim 1 or 2, wherein the full-automatic turner (2) comprises a traveling device (22) and a swing arm-throwing wheel device (21);
the swing arm-throwing wheel device (21) drives the swing arm connected with the turning and throwing roller to swing through hydraulic cylinders (211) arranged on two sides of the swing arm, and the maximum coverage angle can reach the position right below the swing arm-throwing wheel device; the turning action realizes that a small hydraulic system (212) is used for direct driving, and an electromagnetic valve is used for achieving the reversing effect, so that the swinging working state is finished; the rotation of the throwing wheel is driven by a motor (213) above the swing arm, is connected with a central high-speed transmission shaft (214), is decelerated by a planetary gear reducer (215), the output direction of an ARA series spiral bevel gear steering box (216) is changed, and finally, the torque is output by transmission shafts (217) at two sides to drive the throwing wheel to rotate;
the throwing wheel comprises a roller A (218) and a plurality of material shifting tooth sheets A (219) fixedly arranged on the outer wall of the roller A (218), the material shifting tooth sheets A (219) are arranged, the material shifting tooth sheets A (219) are connected to form a spiral shape and are arranged on the outer wall of the roller A (218), and the material shifting tooth sheets A (219) are in an urban wall shape after being unfolded; the material shifting tooth sheets A (219) are vertically staggered and arranged side by side in a square sheet tooth shape and are distributed outside the throwing wheel device in a spiral arrangement mode.
5. The organic solid waste intelligent ultra-high temperature aerobic fermentation equipment as claimed in claim 3, wherein the full-automatic turner (2) comprises a traveling device (22) and a swing arm-throwing wheel device (21);
the swing arm-throwing wheel device (21) drives the swing arm connected with the turning and throwing roller to swing through hydraulic cylinders (211) arranged on two sides of the swing arm, and the maximum coverage angle can reach the position right below the swing arm-throwing wheel device; the turning action realizes that a small hydraulic system (212) is used for direct driving, and an electromagnetic valve is used for achieving the reversing effect, so that the swinging working state is finished; the rotation of the throwing wheel is driven by a motor (213) above the swing arm, is connected with a central high-speed transmission shaft (214), is decelerated by a planetary reducer (215), the output direction of an ARA series spiral bevel gear steering box (216) is changed, and finally, the torque is output by transmission shafts (217) at two sides to drive the throwing wheel to rotate;
the throwing wheel comprises a roller A (218) and a plurality of material shifting tooth sheets A (219) fixedly arranged on the outer wall of the roller A (218), the material shifting tooth sheets A (219) are arranged, the material shifting tooth sheets A (219) are connected to form a spiral shape and are arranged on the outer wall of the roller A (218), and the material shifting tooth sheets A (219) are in an urban wall shape after being unfolded; the material shifting tooth sheets A (219) are vertically staggered and arranged side by side in a square sheet tooth shape and are distributed outside the throwing wheel device in a spiral arrangement mode.
6. The organic solid waste intelligent ultra-high temperature aerobic fermentation equipment as claimed in claim 4, wherein the material shifting toothed sheet A (219) is comb-shaped after being unfolded.
7. The organic solid waste intelligent ultra-high temperature aerobic fermentation equipment as claimed in claim 5, wherein the material shifting toothed sheet A (219) is comb-shaped after being unfolded.
8. The organic solid waste intelligent ultrahigh-temperature aerobic fermentation equipment as claimed in any one of claims 1, 2, 5, 6 or 7, wherein the gas washing equipment (63) washes and purifies the waste gas discharged from the ventilation opening (62).
9. The organic solid waste intelligent ultra-high temperature aerobic fermentation equipment as claimed in claim 4, wherein the traveling device (22) comprises a T-shaped wheel system (221), a speed reducing motor (222) and a track cleaning device (223); the traveling device (22) moves back and forth by utilizing a track and totally comprises four T-shaped wheel systems (221) and a speed reducing motor (222) to realize the movement function; the track cleaning device (223) of the traveling device (22) comprises a small-sized speed reduction motor (2231), a coupler (2232) and a brush (2233).
10. The organic solid waste intelligent ultra-high temperature aerobic fermentation equipment as claimed in claim 5, wherein the traveling device (22) comprises a T-shaped wheel system (221), a speed reducing motor (222) and a track cleaning device (223); the traveling device (22) moves back and forth by utilizing a track and totally comprises four T-shaped wheel systems (221) and a speed reducing motor (222) to realize the movement function; the track cleaning device (223) of the traveling device (22) comprises a small-sized speed reduction motor (2231), a coupler (2232) and a brush (2233).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221436787.2U CN217535857U (en) | 2022-06-09 | 2022-06-09 | Organic solid waste intelligent ultrahigh-temperature aerobic fermentation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221436787.2U CN217535857U (en) | 2022-06-09 | 2022-06-09 | Organic solid waste intelligent ultrahigh-temperature aerobic fermentation equipment |
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| Publication Number | Publication Date |
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| CN217535857U true CN217535857U (en) | 2022-10-04 |
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|---|---|---|---|
| CN202221436787.2U Active CN217535857U (en) | 2022-06-09 | 2022-06-09 | Organic solid waste intelligent ultrahigh-temperature aerobic fermentation equipment |
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| Country | Link |
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| CN (1) | CN217535857U (en) |
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2022
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