CN217121249U - Natural pond sediment mud system fertile system - Google Patents
Natural pond sediment mud system fertile system Download PDFInfo
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- CN217121249U CN217121249U CN202220357126.4U CN202220357126U CN217121249U CN 217121249 U CN217121249 U CN 217121249U CN 202220357126 U CN202220357126 U CN 202220357126U CN 217121249 U CN217121249 U CN 217121249U
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Abstract
The utility model discloses a natural pond sediment mud system is fertile, belongs to environmental protection technical field. The biogas residue sludge drying device comprises a biogas residue sludge receiving system, a straw auxiliary material storage system, a mixing device and a biomass drying bin, wherein a biogas residue sludge inlet and a straw auxiliary material inlet are formed in the top of the mixing device, a mixture discharge port is formed in the bottom of the mixing device, the biogas residue sludge receiving system comprises a biogas residue transfer container, a screw pump and a conveying pipeline, the discharge port is reserved in the bottom of the biogas residue transfer container, and biogas residue sludge is conveyed to the biogas residue sludge inlet in the top of the mixing device through the screw pump and the conveying pipeline. The utility model provides a meal kitchen natural pond sediment deal with single, the low trade current situation of resource utilization, the fertilizer is still the important ring that realizes ecological cycle system simultaneously, seeks a new approach for the terminal result utilization of meal kitchen garbage, alleviates environmental protection pressure, promotes resource saving and cyclic economy development, accords with current green, environmental protection, low carbon development theory.
Description
Technical Field
The utility model relates to a natural pond sediment mud system is fertile system belongs to environmental protection technical field.
Background
Under the dual national policy of 'carbon neutralization and carbon peak reaching' and 'garbage classification', the margin of the traditional environment-friendly plate is further opened, and the solid waste disposal industry meets new opportunities and challenges. At present, the large kitchen waste disposal project mostly adopts an anaerobic-biogas production-power generation process route, and realizes the high-efficiency integration of resource regeneration and economic benefits by power generation and network surfing of a biogas generator set. However, the anaerobic fermentation process also produces a portion of 5-6% solid residue, biogas residue sludge. Although the biogas residues are rich in organic matters, nitrogen, phosphorus, potassium and other nutrient elements and humus, the biogas residues are not suitable for direct utilization of land due to the characteristics of pathogenic microorganisms, foul smell, high water content and the like, and are usually directly incinerated, but the biogas residues have high water content, relatively low heat value, high incineration cost and are easy to generate secondary pollution. The treatment mode not only does not reasonably utilize the biogas residues, but also seriously damages the ecological environment and does not meet the current ecological development requirement of China.
Therefore, the anaerobic biogas residue is subjected to resource remodeling aiming at the bottleneck of the existing process, a brand-new biogas residue sludge resource utilization new process is developed while the comprehensive treatment of the kitchen waste is solved, the garden organic fertilizer with high added value is prepared, and a new way is found for resource utilization of the end product of the kitchen waste.
Disclosure of Invention
The utility model provides a natural pond sediment mud system fertile system carries out the resourceful remolding to anaerobism natural pond sediment to current technology bottleneck, develops a brand-new natural pond sediment mud resourceful utilization new technology, prepares high added value gardens organic fertilizer, seeks the new approach for kitchen garbage end product resourceful utilization.
Therefore, the utility model adopts the following technical scheme to realize:
a biogas residue sludge fertilizer making system comprises a biogas residue sludge receiving system, a straw auxiliary material storage system, a mixing device and a biomass drying bin;
the top of the mixing device is provided with a biogas residue sludge inlet and a straw auxiliary material inlet, and the bottom of the mixing device is provided with a mixture discharge hole;
the biogas residue sludge receiving system consists of a biogas residue transfer container, a screw pump and a conveying pipeline, wherein a discharge hole is reserved at the bottom of the biogas residue transfer container, and the biogas residue sludge is conveyed to a biogas residue sludge inlet at the top of the mixing equipment through the screw pump and the conveying pipeline;
the straw auxiliary material storage system comprises a straw receiving hopper, a bucket elevator, a straw auxiliary material storage bin and a belt conveyor, wherein the bottom of the straw receiving hopper is connected with an inlet of the bucket elevator, straws are conveyed to the straw auxiliary material storage bin through the bucket elevator for temporary storage, the bottom of the straw auxiliary material storage bin is connected with an inlet end of the belt conveyor, and an outlet end of the belt conveyor is connected with a straw auxiliary material inlet at the top of the mixing equipment;
the biogas residue sludge and the straws which are fully stirred in the mixing device are conveyed to the biomass drying bin through a discharge screw from a discharge hole of the mixture at the bottom.
As a preferable example, the middle rotating mechanism of the mixing device is provided with a positive and negative double-spiral belt, and a plurality of blades are arranged between the spiral belts.
As a preferable example, the bottom of the mixing device body is provided with a pressure sensor for realizing automatic metering and weighing.
As a preferable example, a deodorization air pipe connector is reserved between a biogas residue sludge inlet and a straw auxiliary material inlet at the top of the mixing device.
As a preferred example, the inlet of the straw receiving hopper is provided with a crushing device.
As a preferable example, a first electric gate valve is arranged at an outlet at the bottom of the straw auxiliary material storage bin, and a second electric gate valve is arranged at a biogas residue sludge inlet at the top of the mixing device.
As a preferred example, the mixture outlet at the bottom of the mixing device is controlled by a pneumatic gate valve.
As a preferable example, the biomass drying bin is provided with an aeration system, a grab crane and a top sealing cover plate, wherein the aeration system comprises an aeration fan, a distributed aeration air pipe and a tubular heat exchanger, the tubular heat exchanger is installed on an outlet air pipe of the aeration fan, and the bottom of the biomass drying bin is aerated through the distributed aeration air pipe.
The utility model has the advantages that:
1. the utility model provides a meal kitchen natural pond sediment deal with single, the low trade current situation of resource utilization, the fertilizer is still the important ring that realizes ecological cycle system simultaneously, seeks a new approach for the terminal result utilization of meal kitchen garbage, alleviates environmental protection pressure, promotes resource saving and cyclic economy development, accords with current green, environmental protection, low carbon development theory.
2. Mixing apparatus adopts the design of positive and negative double helix spiral shell area and is equipped with a plurality of paddles between the spiral shell area, forms the convection current and mixes, guarantees simultaneously that the bottom material fully copies, promotes the mixed effect comprehensively, ensures that the mixture mixes the degree of consistency.
3. Through the process logic design, the bottom pressure sensor of the same mixing equipment body is utilized, the weighing is accurately measured, the weighing system is simplified, and the requirement for adjusting the material ratio is met.
4. The automatic program process of the mixing process is controlled by 2 electric gate valves at the bottom outlet of the straw auxiliary material storage bin and the biogas residue sludge inlet at the top of the mixing device.
5. The inlet of the straw receiving hopper is provided with the crushing device, so that straw briquettes can be crushed and loosened, the purchasing cost of crushed straws is further reduced, and the later-stage production cost is controlled.
6. In order to ensure the fermentation temperature and the required oxygen, the air inlet pipeline of the aeration fan is provided with a tubular heat exchanger, so that the oxygen supply is ensured, and the temperature of hot air is increased, thereby increasing the fermentation efficiency.
7. The biomass drying bin adopts a sealing cover plate design, can effectively control the phenomenon that the biogas residue sludge inevitably generates odor overflow in the storage process, avoids odor diffusion, and is convenient for the connection of the deodorizing air pipes, thereby ensuring the whole environment of a plant area.
8. The biogas residues are used as anaerobic compost fermentation residues, the biogas residues are recycled, so that the environmental pollution can be reduced, the method has important positive significance for creating a resource-saving and environment-friendly society, the biogas residues and the sludge are subjected to mixed composting with rice bran, straws and other garden and agricultural wastes, waste is turned into wealth, and the prepared organic fertilizer can be used as nutrient soil for landscaping, agricultural utilization and soil improvement, so that the reduction, stabilization, harmless treatment and recycling of the biogas residues and the sludge are realized.
Drawings
Fig. 1 is a schematic view of a system layout in elevation of the present invention;
fig. 2 is a schematic plan view of the system arrangement of the present invention;
FIG. 3 is a process flow diagram of the present invention;
fig. 4 is a schematic structural diagram of the mixing device of the present invention.
In the figure: 1-biogas residue sludge receiving system, 2-straw auxiliary material storage system, 3-mixing equipment, 4-biomass drying bin, 5-biogas residue sludge inlet, 6-straw auxiliary material inlet, 7-mixture discharge outlet, 8-biogas residue transfer container, 9-screw pump, 10-conveying pipeline, 11-discharge outlet, 12-straw receiving hopper, 13-bucket elevator, 14-straw auxiliary material storage bin, 15-belt conveyor, 16-discharge screw, 17-deodorization air pipe connector, 18-crushing device, 19-first electric gate valve, 20-second electric gate valve, 21-pneumatic gate valve, 22-aeration system, 23-grab crane, 24-sealing cover plate, 25-aeration fan, 26-distributed aeration, 27-tube heat exchanger.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.
As shown in fig. 1-4, a biogas residue sludge fertilizer production system comprises a biogas residue sludge receiving system 1, a straw auxiliary material storage system 2, a mixing device 3 and a biomass drying bin 4. The top of the mixing device 3 is provided with a biogas residue sludge inlet 5 and a straw auxiliary material inlet 6, and the bottom is provided with a mixture discharge port 7. The biogas residue sludge receiving system 1 consists of a biogas residue transfer container 8, a screw pump 9 and a conveying pipeline 10. A discharge port 11 is reserved at the bottom of the biogas residue transfer container 8, and biogas residue sludge is conveyed to a biogas residue sludge inlet 5 at the top of the mixing device 3 through a screw pump 9 and a conveying pipeline 10.
The straw auxiliary material storage 2 system comprises a straw receiving hopper 12, a bucket elevator 13, a straw auxiliary material storage bin 14 and a belt conveyor 15. The bottom of the straw receiving hopper 12 is connected with an inlet of a hopper lifter 13, and straws are conveyed to a straw auxiliary material storage bin 14 through the hopper lifter 13 for temporary storage. The bottom of the straw auxiliary material storage 14 bin is connected with the inlet end of a belt conveyor 15, and the outlet end of the belt conveyor 15 is connected with a straw auxiliary material inlet 6 at the top of the mixing device 3. The mixing device 3 fully stirs the biogas residue sludge and the straws, and the biogas residue sludge and the straws are conveyed to the drying bin 4 from a discharge port 7 of the mixture at the bottom through a discharge screw 16.
The rotating mechanism in the middle of the mixing device 3 is provided with a positive and negative double-helix spiral belt, and a plurality of blades are arranged between the spiral belts. The bottom of the body of the mixing device 3 is provided with a pressure sensor, so that automatic metering and weighing can be realized. A deodorizing air pipe connector 17 is reserved between the biogas residue sludge inlet 5 at the top of the mixing device 3 and the straw auxiliary material inlet 6. The biogas residue sludge receiving system 1 can directly convey the biogas residue sludge to the mixing device 3 by adopting a plunger pump. The inlet of the straw receiving hopper 12 is provided with a crushing device 18. A first electric gate valve 19 is arranged at an outlet at the bottom of the straw auxiliary material storage bin 14; and a biogas residue sludge inlet 5 at the top of the mixing device 3 is provided with a second electric gate valve 20. The mixture outlet 7 at the bottom of the mixing device 3 is controlled by a pneumatic gate valve 21. The biomass drying bin 4 is provided with an aeration system 22, a grab crane 23 and a top sealing cover plate 24. The aeration system 22 comprises an aeration fan 25, a distributed aeration air pipe 26 and a tubular heat exchanger 27. And a tubular heat exchanger 28 is arranged on an air pipe at the outlet of the aeration fan 25, and the bottom of the biomass drying bin 4 is aerated through a distributed aeration air pipe 26.
The biogas residue sludge fertilizer making system is matched with a corresponding biogas residue sludge fertilizer making production process, and the production process of the biogas residue sludge fertilizer making comprises a biogas residue straw mixing stage S1 and a composting fermentation stage S2;
the biogas residue and straw mixing stage S1 comprises the following steps:
s1-1, loosening the straw auxiliary materials through a crushing device 18 at the straw receiving hopper 12, and conveying the straw auxiliary materials to a straw auxiliary material storage bin 14 for temporary storage through a bucket elevator 13;
s1-2, after the mixing device 3 is started, opening a second electric gate valve 20 of a biogas residue sludge inlet 5 at the top of the mixing device 3, conveying biogas residue sludge to the biogas residue sludge inlet 5 at the top of the mixing device 3 through a biogas residue transfer container 8 or a plunger pump until a pressure sensor at the bottom of the mixing device 3 reaches a set weight T1, namely weighing at one time, and closing the second electric gate valve 20;
s1-3, opening a first electric gate valve 19 arranged at an outlet at the bottom of the straw auxiliary material storage bin 14, starting a belt conveyor 15, conveying the straw auxiliary material to a straw auxiliary material inlet 6 at the top of the mixing device 3 through the belt conveyor 15 until a pressure sensor at the bottom of the mixing device 3 reaches a set weight T2, weighing for the second time, and closing the first electric gate valve 19 and the belt conveyor 15;
s1-4, the mixing device 3 opens the pneumatic gate valve 21 at the bottom of the mixing device 3 according to preset mixing time and starts the discharging screw 16, and the biogas residue and straw mixture is conveyed to the biomass drying bin 4 through the discharging screw 16;
s1-5, when the pressure sensor at the bottom of the mixing equipment 3 is lower than the set weight T3 for a long time, closing the pneumatic gate valve 21 and the discharging screw 16 at the bottom of the mixing equipment 3, and starting a second batch of biogas residue and straw mixing process;
the composting fermentation stage S2 comprises the following steps:
s2-1, opening a sealing cover plate 24 at the top of the biomass drying bin 4, and uniformly paving the biogas residue and straw mixture stacked on one side of the biomass drying bin 4 by using a grab crane 23;
s2-2, closing the top sealing cover plate 24 of the biomass drying bin 4, and beginning a primary fermentation period of 7-10 days;
s2-3, after the primary fermentation period is finished, stirring and turning over the warehouse by the grab crane 23, starting a secondary fermentation period of 30 days, and during the primary and secondary fermentation periods, supplying oxygen by the aeration fan 25 and maintaining the temperature of the reactor body reaction;
s2-4, finally preparing the garden organic fertilizer with the water content less than or equal to 30% after the secondary fermentation is finished.
Wherein the mixing ratio of the biogas residue sludge to the straw auxiliary material is 5:1, and the water content after mixing is 60-65%.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a natural pond sediment mud system fertile system which characterized in that: comprises a biogas residue sludge receiving system (1), a straw auxiliary material storage system (2), a mixing device (3) and a biomass drying bin (4);
the top of the mixing device (3) is provided with a biogas residue sludge inlet (5) and a straw auxiliary material inlet (6), and the bottom is provided with a mixture discharge hole (7);
the biogas residue sludge receiving system (1) is composed of a biogas residue transfer container (8), a screw pump (9) and a conveying pipeline (10), wherein a discharge hole (11) is reserved at the bottom of the biogas residue transfer container (8), and biogas residue sludge is conveyed to a biogas residue sludge inlet (5) at the top of the mixing equipment (3) through the screw pump (9) and the conveying pipeline (10);
the straw auxiliary material storage system (2) comprises a straw receiving hopper (12), a bucket elevator (13), a straw auxiliary material storage bin (14) and a belt conveyor (15), wherein the bottom of the straw receiving hopper (12) is connected with an inlet of the bucket elevator (13), straws are conveyed to the straw auxiliary material storage bin (14) through the bucket elevator (13) to be temporarily stored, the bottom of the straw auxiliary material storage bin (14) is connected with an inlet end of the belt conveyor (15), and an outlet end of the belt conveyor (15) is connected with a straw auxiliary material inlet (6) at the top of the mixing equipment (3);
the biogas residue sludge and the straws which are fully stirred in the mixing device (3) are conveyed to the biomass drying bin (4) from a bottom mixture discharge port (7) through a discharge screw (16).
2. The biogas residue sludge fertilizer making system according to claim 1, which is characterized in that: the rotating mechanism in the middle of the mixing device (3) is provided with forward and reverse double-spiral belts, and a plurality of blades are arranged between the spiral belts.
3. The biogas residue sludge fertilizer making system according to claim 1, which is characterized in that: and a pressure sensor is arranged at the bottom of the body of the mixing equipment (3) and is used for realizing automatic metering and weighing.
4. The biogas residue sludge fertilizer making system according to claim 1, which is characterized in that: and a deodorizing air pipe connector (17) is reserved between the biogas residue sludge inlet (5) at the top of the mixing device (3) and the straw auxiliary material inlet (6).
5. The biogas residue sludge fertilizer making system according to claim 1, which is characterized in that: the inlet of the straw receiving hopper (12) is provided with a crushing device (18).
6. The biogas residue sludge fertilizer making system according to claim 1, which is characterized in that: the straw auxiliary material storage bin (14) is provided with a first electric gate valve (19) at the bottom outlet, and a second electric gate valve (20) is arranged at a biogas residue sludge inlet (5) at the top of the mixing device (3).
7. The biogas residue sludge fertilizer making system according to claim 1, wherein: and a mixture discharge port (7) at the bottom of the mixing equipment (3) controls discharge by adopting a pneumatic gate valve (21).
8. The biogas residue sludge fertilizer making system according to claim 1, which is characterized in that: biomass drying storehouse (4) dispose aeration system (22), grab and hang (23) and top seal apron (24), aeration system includes aeration fan (25), distributed aeration tuber pipe (26), tubular heat exchanger (27) are installed to the export tuber pipe of aeration fan (25) to through distributed aeration tuber pipe (26) to biomass drying storehouse (4) bottom aeration.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220357126.4U CN217121249U (en) | 2022-02-22 | 2022-02-22 | Natural pond sediment mud system fertile system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220357126.4U CN217121249U (en) | 2022-02-22 | 2022-02-22 | Natural pond sediment mud system fertile system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115625183A (en) * | 2022-09-21 | 2023-01-20 | 北京山水之光园林工程有限公司 | Gardens organic waste processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115625183A (en) * | 2022-09-21 | 2023-01-20 | 北京山水之光园林工程有限公司 | Gardens organic waste processing system |
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