A large-scale poultry farm waste treatment system
The combined treatment system of separation, decomposition and recycling units solves the problem of improper waste treatment in poultry and livestock farms, realizes the harmless and resource-based utilization of waste, and turns it into fertilizer, energy and feed, thereby improving environmental protection and economic benefits.
Patent Information
- Application Number
- CN202211034896.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-08-26
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2042-08-26
AI Technical Summary
Improper handling of waste from large-scale livestock farms can cause serious environmental pollution. Existing technologies are insufficient to effectively treat and utilize manure and sewage in a harmless manner.
The system employs a separation unit for solid-liquid separation, a decomposition unit for fermentation and anaerobic treatment, and a recovery unit for ecological processing to produce fertilizer, energy, and feed. The three-stage treatment system automatically compensates for the decomposition agents to ensure processing efficiency.
It has achieved the harmless treatment and resource utilization of waste from poultry and livestock farms, reduced environmental pollution, increased economic benefits, and generated three valuable products.
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Figure CN117658694B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of breeding, in particular to a large-scale poultry and livestock breeding plant waste treatment system. BACKGROUND
[0002] Breeding is a production mode that uses domesticated animals such as livestock and poultry, through artificial feeding and breeding, to convert plant energy such as forage and feed into animal energy, so as to obtain livestock products such as meat, eggs, milk, wool, cashmere, leather, silk and medicinal materials. It is an extremely important link for humans to exchange materials with nature. Breeding is one of the main components of agriculture. It is an important component of agriculture and is parallel to planting as the two main pillars of agricultural production.
[0003] However, in the breeding plant, feces and sewage and other wastes are continuously produced. If these wastes are not treated or directly discharged into the environment, they will cause serious pollution to the environment. Taking a pig farm as an example: breeding enterprises not only need to pay sewage charges, but also have a serious impact on the surrounding soil, water and other environmental farmland, and pose a severe test to environmental protection. Therefore, how to treat the waste of poultry and livestock breeding plant is an important problem. SUMMARY
[0004] (I) Technical problem solved
[0005] In view of the deficiencies of the prior art, the present application provides a large-scale poultry and livestock breeding plant waste treatment system, which comprises: a breeding unit; a separation unit, in which the mixed waste is precipitated to form solid-liquid separation, including solid and liquid; a decomposition unit, in which decomposition bacteria are added to the solid, and the fermented product is used as fertilizer, and the liquid is subjected to anaerobic treatment to output biogas; and a recovery unit, which receives the remaining material treated by the decomposition unit, and after sedimentation treatment, the material is subjected to ecological treatment; the waste produced by breeding is completely harmless, does not pollute the environment, and through three-stage treatment, three different products are formed, which can be used as fertilizer, energy and feed. The ecological harmless treatment of the waste such as feces produced by breeding turns waste into treasure, and solves the problems in the background art.
[0006] (II) Technical scheme
[0007] In order to achieve the above object, the present application is implemented by the following technical scheme: a large-scale poultry and livestock breeding plant waste treatment system, comprising: a breeding unit for collecting waste such as sewage and feces produced by poultry and livestock breeding and fully mixing; a separation unit, in which the mixed waste is precipitated to form solid-liquid separation, including solid and liquid; a decomposition unit, in which decomposition bacteria are added to the solid, and the fermented product is used as fertilizer, and the liquid is subjected to anaerobic treatment to output biogas; and a recovery unit, which receives the remaining material treated by the decomposition unit, and after sedimentation treatment, the material is subjected to ecological treatment;
[0008] The decomposition unit comprises a composting pool, a bacteria agent filling bottle is embedded on one side of the composting pool and extends obliquely downwards to the inside of the composting pool, a decomposition bacteria agent for fermentation is contained in the inside of the bacteria agent filling bottle, a closing unit is arranged at the bottom opening of the bacteria agent filling bottle, and the closing unit does not close the bacteria agent filling bottle when the bacteria agent in the inside of the composting pool is consumed more; a stirring unit is arranged in the inside of the composting pool, the stirring unit comprises a first speed reduction motor, a stirring part is arranged at the output end of the first speed reduction motor, and the fermentation material and the bacteria agent entering the inside of the composting pool are stirred uniformly.
[0009] Further, the stirring unit comprises a first speed reduction motor, a transmission belt, a transmission rod, stirring blades and heating wires; the output end of the first speed reduction motor is connected with the stirring part through the transmission belt, the stirring part comprises the transmission rod and the stirring blades; one end of the transmission rod penetrates through the side wall of the composting pool and extends to the inside of the composting pool, a plurality of stirring blades are arranged at equal distances on the outside of the transmission rod extending to the outside of the composting pool; the heating wires are closely attached to the surfaces of the stirring blades.
[0010] Further, the closing unit comprises an annular sheet sleeved on the outside of the bottom opening of the bacteria agent filling bottle and a second speed reduction motor at the outer edge of the annular sheet, a plurality of closing flaps are arranged on the inside of the annular sheet relative to the inside of the opening of the bacteria agent filling bottle, a transmission part is arranged between the annular sheet and the closing flaps, the closing flaps move to the center of the bacteria agent filling bottle, and the bottom opening of the bacteria agent filling bottle is closed.
[0011] Further, the transmission part comprises a second gear coaxially rotating with the output end of the second speed reduction motor and a double-sided tooth ring rotating on the surface of the annular sheet, the second speed reduction motor is engaged with the outside surface of the double-sided tooth ring, a sliding rod fixedly connected with the end of the closing flap is slidably arranged between the annular sheet and the double-sided tooth ring, and a rack is attached to one side of the sliding rod.
[0012] Further, the annular sheet is rotationally provided with a first gear relative to the area between the rack and the double-sided tooth ring, the first gear is engaged with the rack on the side close to the rack, and the first gear is engaged with the inner edge of the double-sided tooth ring on the side close to the double-sided tooth ring.
[0013] Further, the breeding unit comprises a breeding area, a grating pipeline, a fence type stirrer and a collection pool; the breeding area is used for breeding poultry or livestock; the grating pipeline is arranged in the inside of the breeding area, transports the accumulated excrement and sewage in the breeding area to the inside of the collection pool, the fence type stirrer is installed in the inside of the collection pool, and after a large amount of excrement and sewage is gathered in the inside of the collection pool, the fence type stirrer is used for fully stirring the excrement and sewage to fully mix the excrement water.
[0014] Further, the separation unit comprises a primary sedimentation tank, a sewage pump and a curved plate filter; the sewage pump is connected between the primary sedimentation tank and the collection tank, and is used to guide the mixture in the collection tank into the primary sedimentation tank; the curved plate filter is further arranged in the primary sedimentation tank, and is used to filter the manure water to form solid-liquid separation; the primary sedimentation tank collects the liquid part and performs sedimentation.
[0015] Further, the decomposition unit comprises a compost tank, a heating curved pipe, a bacteria agent filling bottle, an aerator and an aeration tank, and a soft biogas tank; the compost tank is used to receive the solid material after the solid-liquid separation of the curved plate filter, and is used to compost the solid material by cooperating with the decomposition bacteria agent, so as to serve as a fertilizer.
[0016] Further, the soft biogas tank is used to perform anaerobic treatment on the liquid after the solid-liquid separation of the curved plate filter, to generate biogas and anaerobic treatment residues, and the biogas is used as an energy source; the aeration tank is used to receive the anaerobic treatment residues and cooperate with the corresponding aerator to perform aeration treatment, so as to accelerate the secondary decomposition of the residues by the decomposition bacteria.
[0017] Further, the recycling unit comprises a secondary sedimentation tank, an artificial ecological filter bed and an ecological storage tank; the secondary sedimentation tank is used to receive the manure residues after the aeration treatment, to perform sedimentation and form solid-liquid separation; the artificial ecological filter bed is used to filter the solid-liquid separation material to remove the pollutants; and the ecological storage tank is used to receive the filtering products of the artificial ecological filter bed, and is decomposed by fish and shrimp, so as to serve as a feed source.
[0018] (Three) beneficial effects
[0019] The application provides a large-scale poultry and livestock breeding farm waste treatment system, and has the following beneficial effects:
[0020] When the bacteria agent is insufficient during the decomposition in the compost tank, the stirring unit and the decomposition unit are used to automatically add the bacteria agent, so as to form an automatic compensation effect, keep the amount of the decomposition bacteria agent in the compost tank sufficient, and maintain the decomposition efficiency of the compost tank; and during the feeding, the artificial does not need to approach and participate, so that the process is clean and hygienic.
[0021] After the collected manure is treated by the decomposition unit in multiple stages, the residues are further decomposed by the cooperation between the secondary sedimentation tank, the artificial ecological filter bed and the ecological storage tank; the residues after the composting and the anaerobic treatment are all decomposed in the form of fish feed, so that the residues are all harmless, the environment is not polluted, and through the three-stage treatment, three different products are formed, which are used as a fertilizer, an energy source and a feed; the manure and other wastes generated during the breeding are treated in an ecological and harmless manner, the wastes are turned into treasures, and the economic benefits are further increased. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 Fig. 1 is a schematic diagram of the working process of the poultry farm waste treatment system of the present application;
[0023] Figure 2 Fig. 2 is a schematic diagram of the side view structure of the composting tank of the present application;
[0024] Figure 3 Fig. 3 is a schematic diagram of the cross-sectional structure of the stirring unit of the present application;
[0025] Figure 4 Fig. 4 is an enlarged schematic diagram of the structure at A in Fig. 1 of the present application; Figure 3
[0026] Figure 5 Fig. 5 is a schematic diagram of the front view structure of the bacteria agent filling bottle of the present application;
[0027] Figure 6 Fig. 6 is a schematic diagram of the cross-sectional structure of the closing unit of the present application.
[0028] Figure 7 Fig. 7 is an enlarged schematic diagram of the structure at B in Fig. 1 of the present application; Figure 6
[0029] Fig. 1 is a schematic diagram of the working process of the poultry farm waste treatment system of the present application;
[0030] 10, breeding unit; 11, breeding area; 12, grid pipeline; 13, fence-type stirrer; 14, collection tank;
[0031] 20, separation unit; 21, primary sedimentation tank; 22, sewage pump; 23, baffle filter;
[0032] 30, decomposition unit; 31, composting tank; 32, heating elbow; 33, bacteria agent filling bottle; 34, aerator; 35, aeration tank; 36, soft biogas tank;
[0033] 40, recycling unit; 41, secondary sedimentation tank; 42, artificial ecological filter bed; 43, ecological storage tank;
[0034] 50, stirring unit; 51, first speed reducer; 52, transmission belt; 53, transmission rod; 54, stirring blade; 55, heating wire;
[0035] 60, closing unit; 61, annular sheet; 62, double-sided tooth ring; 63, first gear; 64, rack; 65, sliding rod; 66, closing leaf; 67, second speed reducer; 68, second gear. DETAILED DESCRIPTION
[0036] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0037] Embodiment 1
[0038] Referring to Figures 1-7 The present application provides a large-scale poultry and livestock farm waste treatment system, comprising a breeding unit 10, a separation unit 20, a decomposition unit 30 and a recovery unit 40; wherein,
[0039] The breeding unit 10 collects and fully mixes sewage, excrement and other wastes generated by poultry and livestock breeding;
[0040] The separation unit 20 precipitates the mixed waste to form solid-liquid separation;
[0041] The decomposition unit 30 adds decomposition bacteria to the solid material, and after fermentation treatment, the solid material is used as fertilizer. The liquid material is subjected to anaerobic treatment, and biogas is output;
[0042] The recovery unit 40 receives the remaining material treated by the decomposition unit 30, and after sedimentation treatment, it is subjected to ecological treatment;
[0043] As a further improvement:
[0044] The decomposition unit 30 comprises a composting tank 31, one side of the composting tank 31 is embedded with a bacteria filling bottle 33 extending obliquely downward to the inside thereof, the inside of the bacteria filling bottle 33 contains decomposition bacteria for fermentation, a closing unit 60 is arranged at the opening of the bottom end of the bacteria filling bottle 33, when the bacteria consumption in the composting tank 31 is high, the closing unit 60 no longer closes the bacteria filling bottle 33; a stirring unit 50 is arranged in the composting tank 31, the stirring unit 50 comprises a first speed reduction motor 51 providing power, a stirring part is arranged at the output end of the first speed reduction motor 51, and the fermentation material entering the inside of the composting tank 31 is stirred uniformly with the bacteria.
[0045] Embodiment 2
[0046] Referring to Figures 2-4 The present application provides a large-scale poultry and livestock farm waste treatment system, and the present embodiment further discloses the stirring unit 50 in embodiment 1; the stirring unit 50 comprises a first speed reduction motor 51, a transmission belt 52, a transmission rod 53, a stirring blade 54 and a heating wire 55; wherein,
[0047] The output end of the first speed reducer motor 51 is connected with a stirring component through a transmission belt 52, the stirring component includes a transmission rod 53 and stirring blades 54; one end of the transmission rod 53 penetrates through the side wall of the composting tank 31 and extends to the inside of the composting tank 31, and a plurality of stirring blades 54 are equidistantly arranged outside the transmission rod 53 extending to the composting tank 31;
[0048] In use, the first speed reducer motor 51 inputs power to drive the transmission rod 53 and the corresponding stirring blades 54 to rotate, so as to stir the fermentation material contained in the composting tank 31, to facilitate the mixing of the fermentation bacteria flowing out of the bacteria filling bottle 33 with the fermentation material in the composting tank 31.
[0049] As a further improvement:
[0050] A heating wire 55 is closely attached to the surface of the stirring blade 54.
[0051] When the stirring blade 54 stirs, the heating wire 55 can fully contact with the fermentation material in the composting tank 31, so as to play a heating role, thereby improving the necessary fermentation environment and accelerating the fermentation efficiency.
[0052] Embodiment 3
[0053] Please refer to Figures 5 to 7 The present application provides a large-scale poultry and livestock breeding plant sewage treatment system, and the embodiment is a further disclosure of the closed unit 60 in embodiment 1; the closed unit 60 includes an annular sheet 61, a double-sided tooth ring 62, a first gear 63, a rack 64, a sliding rod 65, a closing leaf piece 66, a second speed reducer motor 67 and a second gear 68; wherein,
[0054] The closed unit 60 includes the annular sheet 61 sleeved outside the bottom opening of the bacteria filling bottle 33, and the second speed reducer motor 67 at the outer edge of the annular sheet 61; a plurality of closing leaf pieces 66 are arranged inside the annular sheet 61 relative to the inside of the opening of the bacteria filling bottle 33, and a transmission member is arranged between the annular sheet 61 and the closing leaf piece 66; after the second speed reducer motor 67 outputs power, the transmission member moves the closing leaf piece 66 to the center of the bacteria filling bottle 33, to close the bottom opening of the bacteria filling bottle 33.
[0055] In use, the closing leaf piece 66 moves to the center of the bacteria filling bottle 33 or away from it, to close and open the bottom opening of the bacteria filling bottle 33; when opened, the decomposed bacteria in the bacteria filling bottle 33 can enter the inside of the composting tank 31, to form a replenishment effect and accelerate fermentation.
[0056] As a further disclosure:
[0057] The transmission member comprises a second gear 68 coaxially rotating with the output end of the second speed reducer 67 and a double-sided gear ring 62 rotating on the surface of the annular sheet 61, the second speed reducer 67 is engaged with the outer side of the double-sided gear ring 62, a sliding rod 65 fixedly connected with the end of the closing leaf 66 is slidably arranged between the annular sheet 61 and the double-sided gear ring 62, and a rack 64 is attached to one side of the sliding rod 65;
[0058] The first gear 63 is arranged to rotate relative to the area between the rack 64 and the double-sided gear ring 62, the side of the first gear 63 close to the rack 64 is engaged with the rack 64, and the side of the first gear 63 close to the double-sided gear ring 62 is engaged with the inner edge of the double-sided gear ring 62.
[0059] When the bottom end opening of the inoculant bottle 33 needs to be opened, the second speed reducer 67 is started by receiving a corresponding control instruction, drives the second gear 68 to coaxially rotate, then the second gear 68 drives the double-sided gear ring 62 to rotate along the surface of the annular sheet 61, and finally based on the engagement between the first gear 63 and the double-sided gear ring 62 and the engagement between the first gear 63 and the rack 64, the sliding rod 65 is driven to slide on the surface of the annular sheet 61, thereby driving the closing leaf 66, so that when the closing leaf 66 slides along the surface of the annular sheet 61 to the center, the bottom end opening of the inoculant bottle 33 is closed, and when the closing leaf 66 slides away from the annular sheet 61, the bottom end opening of the inoculant bottle 33 is opened. When the bottom end opening of the inoculant bottle 33 is no longer closed, the decomposition inoculant can be added to the composting pool 31.
[0060] By arranging the stirring unit 50 and the decomposition unit 30, when the decomposition inoculant in the composting pool 31 is insufficient, the decomposition inoculant can be automatically added, thereby forming an automatic compensation effect, keeping the amount of decomposition inoculant in the composting pool 31 sufficient and maintaining the decomposition efficiency of the composting pool 31, and during feeding, manual participation is not required, which is clean and hygienic.
[0061] Embodiment 4
[0062] Please refer to Figure 1 The present application provides a large-scale poultry farm waste treatment system, and the present embodiment further discloses the breeding unit 10, the separation unit 20, the decomposition unit 30 and the recycling unit 40 in the embodiment 1.
[0063] The breeding unit 10 comprises a breeding area 11, a grid pipeline 12, a fence-type stirrer 13 and a collection pool 14.
[0064] The breeding area 11 is a breeding shed or a breeding plant for breeding poultry or livestock; the grid pipeline 12 is arranged inside the breeding area 11 to transport the excrement sewage accumulated in the breeding area 11 to the inside of the collecting pool 14; and the fence type agitator 13 is installed inside the collecting pool 14 to fully agitate the excrement and dirt gathered in the collecting pool 14, so that the excrement water is fully mixed.
[0065] In use, the breeding area 11, the grid pipeline 12, the fence type agitator 13 and the collecting pool 14 are cooperated to form the mixing collecting function in the breeding plant, so as to facilitate the subsequent fermentation and anaerobic treatment.
[0066] As further disclosed, the separation unit 20 comprises a primary sedimentation tank 21, a sewage pump 22 and a baffle filter 23.
[0067] The sewage pump 22 is connected between the primary sedimentation tank 21 and the collecting pool 14 to guide the mixture in the collecting pool 14 into the primary sedimentation tank 21; the baffle filter 23 is further arranged inside the primary sedimentation tank 21 to filter the excrement water to form the solid-liquid separation; and the primary sedimentation tank 21 collects the liquid part and performs the sedimentation.
[0068] In use, the primary sedimentation tank 21, the sewage pump 22 and the baffle filter 23 are cooperated to complete the solid-liquid separation and the sedimentation of the liquid part after the excrement water is collected by the breeding unit 10, so that the solid-liquid separation of the excrement water is realized, the liquid part is sedimented, the excrement water is treated separately, and the multi-stage and multi-level treatment is finally formed.
[0069] As further disclosed, the decomposition unit 30 comprises a composting tank 31, a heating elbow 32, a bacteria agent filling bottle 33, an aerator 34, an aeration tank 35 and a soft biogas tank 36.
[0070] The composting tank 31 receives the solid material separated by the baffle filter 23, cooperates with the decomposition bacteria agent to compost the solid material, and uses the solid material as the fertilizer.
[0071] The soft biogas tank 36 receives the liquid separated by the baffle filter 23 to perform the anaerobic treatment, generates the biogas and the anaerobic treatment residue, and uses the biogas as the energy source.
[0072] The aeration tank 35 receives the anaerobic treatment residue and cooperates with the corresponding aerator 34 to perform the aeration treatment, so as to accelerate the secondary decomposition of the residue by the decomposition bacteria.
[0073] In use, through the cooperation of the composting tank 31, the soft biogas tank 36 and the aeration tank 35, the pollutants generated by the breeding can be treated in a hierarchical manner, the solid deposits are composted as green fertilizer, the liquid part is subjected to biogas fermentation to output biogas as energy, such as for power generation or as fuel, and the aerator 34 cooperates with the aeration tank 35 to continue to aerate the residual material for further decomposition by microorganisms.
[0074] As a further disclosure, the recovery unit 40 comprises a secondary sedimentation tank 41, an artificial ecological filter bed 42 and an ecological storage tank 43.
[0075] The secondary sedimentation tank 41 receives the fecal residue after aeration treatment and performs sedimentation to form a solid-liquid separation.
[0076] The artificial ecological filter bed 42 filters the solid-liquid separation to remove pollutants therein.
[0077] The ecological storage tank 43 receives the filtered product of the artificial ecological filter bed 42 and is decomposed by fish and shrimp and the like, serving as a feed source.
[0078] In use, through the cooperation between the secondary sedimentation tank 41, the artificial ecological filter bed 42 and the ecological storage tank 43, after the collected feces are subjected to multi-stage treatment in the decomposition unit 30, the residual material is further decomposed, and through the cooperation of the ecological filter bed technology and the ecological storage, the residual material after composting and anaerobic treatment is completely decomposed in the form of fish feed, which is completely harmless and does not pollute the environment. Furthermore, through the three-stage treatment, three different products are formed, which can be used as fertilizer, energy and feed, and the fecal water and other pollutants generated by breeding are ecologically harmless, turning waste into treasure and further increasing economic benefits.
[0079] Although embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A waste treatment system for large-scale poultry and livestock farms, characterized in that: include: In the breeding unit (10), wastewater and manure generated from poultry and livestock breeding are collected and thoroughly mixed; Separation unit (20), the mixed sludge settles, forming solid-liquid separation, including solid matter and liquid matter; The decomposition unit (30) adds decomposition bacteria to the solid matter, ferments it and uses it as fertilizer, and performs anaerobic treatment on the liquid matter to output biogas; the recovery unit (40) receives the residue after the decomposition unit (30), performs precipitation treatment and then performs ecological treatment. The decomposition unit (30) includes a composting tank (31), with a microbial agent injection bottle (33) whose opening extends obliquely downward into one side of the composting tank (31). The microbial agent injection bottle (33) contains a decomposition microbial agent for fermentation. A sealing unit (60) is provided at the bottom opening of the microbial agent injection bottle (33). When the microbial agent in the composting tank (31) is consumed in large quantities, the sealing unit (60) no longer closes the microbial agent injection bottle (33). A stirring unit (50) is provided inside the composting tank (31). The stirring unit (50) includes a first geared motor (51) that provides power. A stirring component is provided at the output end of the first geared motor (51) to stir the fermentation material and microbial agent inside the composting tank (31) evenly. The sealing unit (60) includes an annular piece (61) sleeved outside the bottom opening of the bacterial agent dispensing bottle (33), and a second reduction motor (67) at the outer edge of the annular piece (61). The inner side of the annular piece (61) is provided with a plurality of closing flaps (66) relative to the opening of the bacterial agent dispensing bottle (33). A transmission component is provided between the annular piece (61) and the closing flaps (66) to move the closing flaps (66) toward the center of the bacterial agent dispensing bottle (33) to form a closure at the bottom opening of the bacterial agent dispensing bottle (33). The transmission component includes a second gear (68) that rotates coaxially with the output end of the second geared motor (67) and a double-sided gear ring (62) that rotates on the surface of the annular plate (61). The second geared motor (67) meshes with the outer side of the double-sided gear ring (62). A slide rod (65) that is fixedly connected to the end of the closing flap (66) slides between the annular plate (61) and the double-sided gear ring (62). A rack (64) is attached to one side of the slide rod (65). The annular plate (61) is rotatably provided with a first gear (63) in the area between the rack (64) and the double-sided gear ring (62). The side of the first gear (63) close to the rack (64) meshes with the rack (64), and the side of the first gear (63) close to the double-sided gear ring (62) meshes with the inner edge of the double-sided gear ring (62).
2. The waste treatment system for large-scale poultry and livestock farms according to claim 1, characterized in that: The stirring unit (50) includes a first geared motor (51), a transmission belt (52), a transmission rod (53), stirring blades (54), and heating wires (55); wherein, the output end of the first geared motor (51) is connected to a stirring component through the transmission belt (52), and the stirring component includes the transmission rod (53) and stirring blades (54); one end of the transmission rod (53) penetrates through the side wall of the composting tank (31) and extends into the interior of the composting tank (31), and a plurality of stirring blades (54) are equidistantly arranged on the outside of the composting tank (31) where the transmission rod (53) extends; heating wires (55) are tightly attached to the surface of the stirring blades (54).
3. The waste treatment system for large-scale poultry and livestock farms according to claim 2, characterized in that: The aquaculture unit (10) includes an aquaculture area (11), a grid pipe (12), a grid mixer (13), and a collection tank (14). The breeding area (11) is used for raising poultry or livestock; the grid pipe (12) is arranged inside the breeding area (11) to transport the accumulated manure and sewage in the breeding area (11) to the collection tank (14); the grid-type mixer (13) is installed inside the collection tank (14) to fully mix the manure and sewage after they are collected inside the collection tank (14), so that the manure and sewage are fully mixed.
4. The waste treatment system for large-scale poultry and livestock farms according to claim 3, characterized in that: The separation unit (20) includes a primary sedimentation tank (21), a sewage pump (22), and a bent plate filter (23); The sewage pump (22) is connected between the primary sedimentation tank (21) and the collection tank (14) to introduce the mixture in the collection tank (14) into the primary sedimentation tank (21); a curved plate filter (23) is also installed inside the primary sedimentation tank (21) to filter the sewage and form solid-liquid separation; the primary sedimentation tank (21) collects the liquid part and performs sedimentation.
5. A waste treatment system for large-scale poultry and livestock farms according to claim 4, characterized in that: The decomposition unit (30) includes a composting tank (31), a heating bend (32), a microbial agent injection bottle (33), an aerator (34), an aeration tank (35), and a soft biogas digester (36). The composting tank (31) receives the solid matter after solid-liquid separation by the bent plate filter (23), and composts the solid matter with the decomposition microbial agent as fertilizer.
6. A waste treatment system for large-scale poultry and livestock farms according to claim 5, characterized in that: The soft biogas digester (36) receives the liquid after solid-liquid separation by the curved plate filter (23), performs anaerobic treatment to produce biogas and anaerobic treatment residue, and uses the biogas as an energy source; the aeration tank (35) receives the anaerobic treatment residue and, in conjunction with the corresponding aerator (34), performs aeration treatment to accelerate the secondary decomposition of the residue by decomposing bacteria.
7. A waste treatment system for large-scale poultry and livestock farms according to claim 6, characterized in that: The recycling unit (40) includes a secondary sedimentation tank (41), an artificial ecological filter bed (42), and an ecological storage tank (43); the secondary sedimentation tank (41) receives the fecal residue after aeration treatment, performs sedimentation, and forms solid-liquid separation; the artificial ecological filter bed (42) filters the solid-liquid separation to remove pollutants; The ecological storage pond (43) receives the filtered products from the artificial ecological filter bed (42), which are then decomposed by fish and shrimp as a feed source.
Citation Information
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