CN209797918U - Aerobic-to-facultative biological feed additive production system - Google Patents

Abstract

The utility model relates to a production system of aerobic-followed-by-aerobic biological feed additive, which comprises a batching device and a multilayer fermentation tower, wherein the upper port of a central material pipe of the multilayer fermentation tower is connected with a discharge port of a fungus powder material mixer, a feed inlet of the fungus powder material mixer is connected with an outlet of a liquid material mixing conveyor, a feed end of the liquid material mixing conveyor is connected with a batching air conveying pipeline, the feed end of the liquid material mixing conveyor is also connected with an aerobic layer liquid injection pipe through an aerobic fungus liquid branch pipe, the upper part of the discharge end of the liquid material mixing conveyor is connected with an outlet of a fungus powder feeding auger, and the fungus powder feeding auger is positioned at the bottom of an aerobic fungus powder bin; all layers above the bottom layer of the multi-layer fermentation tower are aerobic fermentation beds, the bottom layer is a facultative fermentation bed, and a facultative layer spray pipe is arranged above a material layer of the facultative fermentation bed and is connected with a facultative layer liquid injection pipe. The multi-layer fermentation tower of the system combines aerobic fermentation and facultative fermentation, the nutrition of the feed is balanced and rich, and the fermentation process is not easy to be infected by mixed bacteria.

Description

Aerobic-to-facultative biological feed additive production system

Technical Field

The utility model relates to a production system of fermented feed, in particular to a production system of aerobic-followed facultative biological feed additive, which belongs to the technical field of fermented feed production.

Background

The traditional production process of the biological fermentation feed is simple, and generally comprises feeding, inoculation, anaerobic fermentation, high-temperature drying and packaging. The raw materials are not mixed and only adopt one raw material, and the process of mixing, cooking and utilizing the waste heat of cooking is not carried out. The single raw material causes the nutrition of the raw material to be unbalanced, and the subsequent fermentation process is easy to be infected with mixed bacteria without conditioning and sterilization.

The quantity of probiotics and biological metabolites generated by fermentation is small, and the drying temperature is high, so that the probiotics and the biological metabolites are partially inactivated, the biological activity of the biological fermentation feed is reduced, the value of the biological fermentation feed is also reduced, and the consistency of the product quality is poor. A single-layer fermentation machine is generally adopted, and the occupied area is large; the manual operation mode is adopted, the labor intensity is high, the scale is small, and the industrialization can not be realized; the tail gas is directly discharged without being treated, thereby causing environmental pollution.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that exists among the prior art, provide an earlier biological feed additive's of oxygen back hold concurrently production system, can mix the batching to multiple raw materials, make the nutrition balance of fodder, and the difficult infectious microbe of fermentation process.

In order to solve the technical problem, the utility model discloses a production system of aerobic-first-time aerobic-second-time aerobic biological feed additive, including dosing unit and multilayer fermentation tower, the axis along the multilayer fermentation tower is equipped with the central material pipe communicated with each layer, the upper end port of the central material pipe is connected with the discharge port of the fungus powder material mixing machine, the feed inlet of the fungus powder material mixing machine is connected with the outlet of the liquid material mixing conveyor, the feed end of the liquid material mixing conveyor is connected with the dosing air conveying pipeline through a material branch pipe, the feed end of the liquid material mixing conveyor is also connected with the aerobic layer injection pipe through an aerobic fungus liquid branch pipe, the upper part of the discharge end of the liquid material mixing conveyor is connected with the outlet of the fungus powder feeding auger, the fungus powder feeding auger is located at the bottom of the aerobic fungus powder bin; all layers above the bottom layer of the multi-layer fermentation tower are aerobic fermentation beds, the bottom layer is a facultative fermentation bed, a facultative layer spray pipe is arranged above a material layer of the facultative fermentation bed, and the outer end heads of the facultative layer spray pipe are respectively connected with a facultative layer liquid injection pipe; and the lower port of the central material pipe is connected with a discharging pipe of the fermentation tower.

Compared with the prior art, the utility model discloses following beneficial effect has been obtained: the sterilized materials enter the inlet end of the liquid material mixing conveyor from the batching air conveying pipeline and the batching tee joint, aerobic bacterial liquid flows out from the aerobic layer liquid injection pipe and also enters the inlet end of the liquid material mixing conveyor, the materials are fully mixed with the aerobic bacterial liquid while advancing along the liquid material mixing conveyor, and cold water can be injected into the liquid injection pipe through the aerobic layer liquid injection pipe to enable the moisture content of the materials to be about 45%; aerobic bacterial powder is discharged from the aerobic bacterial powder bin under the action of the bacterial powder feeding auger, enters the outlet end of the liquid material mixing conveyor, then enters the bacterial powder material mixing machine together with the material, enters the central material pipe of the multilayer fermentation tower after being uniformly mixed with the material, and enters each aerobic fermentation bed through the central material pipe. Hot water with the temperature of about 70 ℃ can be injected into cold materials through an aerobic layer liquid injection pipe, the hot water is uniformly mixed with the materials in a liquid material mixing conveyor to increase the temperature of the materials to about 35 ℃, and then the materials are mixed with aerobic bacterial powder; the hot water is prevented from directly contacting the aerobic bacteria powder to scald and kill the aerobic bacteria. The material after aerobic fermentation is discharged from the aerobic fermentation bed, enters the bottom facultative fermentation bed through the central material pipe, is distributed while evenly spraying facultative bacteria liquid through the facultative layer spray pipe, and can also be inoculated for the second time during material turning, and the material after facultative fermentation is discharged from the discharge pipe of the fermentation tower. The multi-layer fermentation machine is adopted, so that the occupied area is small, the automation degree is high, and the labor intensity is low. Aerobic fermentation is carried out in a multilayer fermentation tower, so that microorganisms (mainly mould) generate a large amount of biological metabolites; then the materials are directly subjected to facultative fermentation without translating and transferring the materials, and biological metabolites and aroma for inducing animals to eat are generated by using lactic acid bacteria, saccharomycetes, bacillus and the like, so that beneficial bacteria are eaten by the animals, the probiotic groups in the bodies of the animals are improved, the immunity of the animals is improved, and the health level of the animals is improved. After facultative fermentation, the types of probiotics and biological metabolites generated by fermentation are increased, and the effect of the biological fermentation feed is improved. The biological metabolites generated by aerobic and facultative fermentation decompose harmful substances and anti-nutrient substances in the raw materials in the facultative fermentation layer, and simultaneously decompose protein and starch into small peptides, amino acids and small molecular polysaccharides, thereby helping digestion of animals and improving the digestibility and the utilization rate of animal feed.

As the utility model discloses an improvement, the export of fermentation tower discharging pipe links to each other with the entry of fermented material conveyer, the export of fermented material conveyer links to each other with fermented material wind conveying pipe through the airlock, the export of fermented material wind conveying pipe links to each other with the entry of fermented material buffer tank respectively, and the export of each fermented material buffer tank links to each other with scraper conveyor through wet material ejection of compact spiral respectively, scraper conveyor's discharge gate links to each other with the entry of thrashing machine, the export of thrashing machine links to each other with the wet material conveyer pipe of fermentation. And the fermented material discharged from the discharge pipe of the fermentation tower is conveyed to a fermented material pneumatic conveying pipe through a fermented material conveyor, the fermented material pneumatic conveying pipe conveys the fermented material to a fermented material buffer tank for temporary storage under the action of compressed air blown by the Roots blower II, the material in the fermented material buffer tank is spirally discharged through wet material discharge, is conveyed to a scattering machine through a scraper conveyor to be scattered, and is conveyed to a drying section through a fermented wet material conveying pipe. The material is stored outside the fermentation tower, so that the multi-layer fermentation tower can be emptied in time, the next round of material fermentation can be carried out, and the production efficiency is improved; the number of fermentation towers is reduced, and the investment is reduced.

As a further improvement of the utility model, one side of the tower body wall above the aerobic fermentation bed is provided with an aerobic layer air outlet and is provided with an aerobic layer air outlet door, and the other side of the tower body wall above the aerobic fermentation bed is provided with an aerobic layer air return inlet and is provided with an aerobic layer air return adjusting door; an aerobic layer air inlet is formed in the tower body wall below the aerobic fermentation bed, an atomizing nozzle is arranged on the inner side of the aerobic layer air inlet, and an inlet of the atomizing nozzle is connected with a humidifying pipeline; the outer end of the aerobic layer air inlet is connected with the air outlet of the aerobic layer heat exchanger, the air inlet of the aerobic layer heat exchanger is connected with the air outlet of the aerobic layer fan, the air inlet of the aerobic layer fan is respectively connected with an aerobic layer return air pipe and an aerobic layer fresh air pipe through a three-way pipeline, the aerobic layer return air pipe is connected with the outer end opening of the aerobic layer return air adjusting door, and the aerobic layer fresh air pipe is communicated with the atmosphere through the aerobic layer fresh air adjusting door. Air is fed into the lower part of the aerobic fermentation bed through an aerobic layer air inlet by an aerobic layer fan, the temperature of the air is regulated by an aerobic layer heat exchanger, the air with proper temperature is uniformly blown upwards through holes of the aerobic fermentation bed to supply oxygen to materials, one part of the air passing through a material layer is discharged from an aerobic layer exhaust door, the other part of the air passes through an aerobic layer return air regulating door and enters an inlet of the aerobic layer fan together with fresh air entering from an aerobic layer fresh air regulating door, and the return air quantity can be regulated by changing the opening degree of the aerobic layer return air regulating door; the fresh air quantity can be adjusted by changing the opening degree of the fresh air adjusting door of the aerobic layer. The fresh air and the return air are mixed, so that the oxygen content of the aerobic layer can be ensured, and part of heat can be recycled to save energy. The fresh air can be humidified by the atomizing nozzle, so that the relative humidity in the fermentation tower is kept above 90%, and the growth of microorganisms is facilitated.

As a further improvement of the utility model, the upper end interface of the aerobic layer heat exchanger is respectively connected with a steam valve and a cooling water outlet valve, the inlet of the steam valve is connected with a raw steam pipe, and the outlet of the cooling water outlet valve is connected with a cooling water outlet pipe; the lower end interface of the aerobic layer heat exchanger is respectively connected with a condensed water drain valve and a cooling water inlet valve, the outlet of the condensed water drain valve is connected with a condensed water pipe, and the inlet of the cooling water inlet valve is connected with a cooling water inlet pipe. When the air on the aerobic layer needs to be heated, the steam valve and the condensed water drain valve are opened simultaneously, the cooling water inlet valve and the cooling water outlet valve are closed, the steam enters the heat exchanger on the aerobic layer, and the steam becomes condensed water after the air is heated and is discharged from the condensed water drain valve. When the air on the aerobic layer needs to be cooled, the cooling water inlet valve and the cooling water outlet valve are opened simultaneously, the steam valve and the condensate water drain valve are closed, the cooling water enters the aerobic layer heat exchanger, and the cooled air is discharged from the cooling water outlet valve.

As a further improvement of the utility model, a facultative layer air inlet is arranged on the tower body wall below the facultative fermentation bed, the facultative layer air inlet is connected with the air outlet of the facultative layer heat exchanger, the air inlet of the facultative layer heat exchanger is connected with the air outlet of the facultative layer fan, and the air inlet of the facultative layer fan is communicated with the atmosphere; a facultative layer air outlet and a facultative layer air outlet door are arranged on the wall of the tower body above the facultative fermentation bed; and top plate heating systems are respectively installed at the tops of the aerobic fermentation layer and the facultative fermentation layer of the multi-layer fermentation tower, and hot water circulating pipes are arranged in the top plate heating systems. The facultative anaerobic layer is not provided with an air circulation system, and in the facultative anaerobic fermentation process, the air inlet of the facultative anaerobic layer and the air outlet door of the facultative anaerobic layer are closed. The viscosity of the materials after facultative fermentation is high, so that the materials are difficult to convey; the facultative anaerobic layer air exhaust door is directly opened without transferring the materials, the facultative anaerobic layer heat exchanger heats air, the facultative anaerobic layer fan is started to convey hot air to the lower part of the facultative anaerobic fermentation bed to dry the fermented materials, the moisture content of the fermented materials is reduced, the uncontrolled fermentation of the fermented materials in the fermentation material buffer tank is avoided while the air conveying is facilitated, and thus high-grade biological fermented materials with high moisture viscosity can be produced. Operating personnel need get into the fermentation tower sometimes in, inevitably can bring in miscellaneous fungus, and miscellaneous fungus harm is little in the air, but the multilayer fermentation top of the tower canopy of steel construction produces the comdenstion water easily, and the comdenstion water drips into the material and can also bring in the material with miscellaneous fungus, causes miscellaneous fungus pollution. The top of each fermentation layer has a circulating water heating function, so that the ceiling is kept above the dew point temperature, the formation of roof condensate water can be prevented, and the roof condensate water is prevented from dripping to bring mixed bacteria and polluting materials.

As a further improvement of the utility model, the batching device comprises a batch charging hopper and a raw material hoister, the bottom outlet of the batch charging hopper is connected with the lower inlet of the raw material hoister, the upper outlet of the raw material hoister is connected with the upper inlets of a plurality of batch bins, the bottom of each batch bin is respectively provided with a batching screw, the outlet of each batching screw is respectively connected with the inlet of a batch weigher, the outlet of the batch weigher is connected with the inlet of a raw material buffer bin, the outlet of a feeding screw at the bottom of the raw material buffer bin is connected with the inlet of the batch hoister, the outlet of the batch hoister is connected with the inlet of the batch buffer bin, the outlet of the batch buffer bin is connected with the inlet of a raw material mixer, the outlet of the raw material mixer is connected with the inlet of the mixed material buffer bin, the outlet of the mixed material buffer bin is connected with the feed inlet of a conditioner, the discharge, the quality modifier and the steam inlet of the quality guarantee device are respectively connected with a raw steam pipe, the discharge hole of the quality guarantee device is connected with the feed inlet of the air cooling machine, and the discharge hole of the air cooling machine is connected with the ingredient air conveying pipeline through an ingredient air seal machine. During various raw materials can be poured into the feeding hopper respectively, promote to high-order and enter corresponding proportioning bins by the raw materials lifting machine and store, during the batching, each raw materials is sent into the batching balance by corresponding batching spiral in proper order and is weighed, and the raw materials after the measurement are sent into raw materials surge bin and are kept in and mix, and the mixed ingredient makes the nutrition balance of fermentation product. After all raw materials are weighed, the mixed raw materials enter a feeding lifter through a feeding screw at the bottom of a raw material buffer bin, the lifted mixed raw materials enter the feeding buffer bin for temporary storage and then are fed into a raw material mixer for mixing, the mixed raw materials enter the mixed material buffer bin for temporary storage and then enter a conditioner, raw steam enters an inner cavity of the conditioner from a raw steam pipe to be mixed with the raw materials to realize conditioning, raw starch in the raw materials is cured at high temperature, the microcrystalline structure of the starch is damaged, hydrogen bonds are broken to achieve gelatinization, the effects of improving the nutritional structure of the feed and killing bacteria are achieved, the microbial pollution caused by the raw materials in the aerobic fermentation process is reduced, and meanwhile, protein, starch and the like in the materials are denatured, so that the aerobic fermentation is; discharging the conditioned and sterilized mixture into a quality guaranteeing device, carrying out heat preservation by adopting steam indirect heating in the quality guaranteeing device, sending the quality-preserved mixture into an air cooler for cooling, sending the cooled mixture into a mixture air sending pipeline through a mixture air seal machine, feeding the cooled mixture into a multilayer fermentation tower by compressed air blown out by a Roots blower, and carrying out aerobic fermentation and then aerobic fermentation.

As a further improvement, the top air outlet of the air-cooled machine is connected with the air inlet of the air-cooled dust remover, the bottom discharge port of the air-cooled dust remover is connected with the inlet of the air-closed device through the air-closed discharge valve, the air outlet at the top of the air-cooled dust remover is connected with the inlet of the batching air exhauster, and the outlet of the batching air exhauster is communicated with the atmosphere. Under the suction action of the proportioning exhaust fan, the fine materials flying out from the top of the air cooling machine enter the air cooling dust remover for separation, and the fine materials enter the proportioning air conveying pipeline for recovery through the proportioning air seal machine.

As a further improvement of the utility model, the outlet of the fermented wet material conveying pipe is connected with the inlet of the dry and wet material mixing machine, the outlet of the dry and wet material mixing machine is connected with the mixed material air conveying pipeline through an air seal machine, the outlet of the mixed material air conveying pipeline is connected with the feed inlet at the upper part of the active drying tower, and the hot air inlet at the lower part of the active drying tower is connected with the air outlet of the drying tower heater; a discharge hole at the bottom of the active drying tower is connected with a primary drying chute; the gas vent at active drying tower top links to each other with the air inlet of drying tower husky kelong, the bin outlet of drying tower husky kelong bottom with the dry elephant trunk of one-level links to each other, the gas vent at drying tower husky kelong top passes through drying tower husky kelong air exhauster and links to each other with the washing air-supply line, the washing air-supply line links to each other with the lower part entry of scrubbing tower, the bottom export of scrubbing tower links to each other with the entry of scrubbing tower circulating pump, the export of scrubbing tower circulating pump pass through the scrubbing tower circulating pipe with the shower on scrubbing tower upper portion links to each other, the gas vent at scrubbing tower top communicates with each other with the atmosphere. Wet materials discharged from a fermentation wet material conveying pipe are easy to bond, and the wet materials and dry materials in a certain proportion enter a dry and wet material mixing machine together to be mixed, so that the moisture content is reduced, the transportability is improved, the moisture content is 25-30% after uniform mixing, the mixture enters a mixture air conveying pipeline, is conveyed to the upper layer of a live drying tower through the mixture air conveying pipeline, and flows from top to bottom; the air is heated by the drying tower heater to become hot air, the hot air enters the air from the lower part of the active drying tower, flows upwards in the reverse direction with the material, the water content of the material dried by the active drying tower is reduced to 18-25%, and the material is discharged into the primary drying chute from a discharge hole at the bottom of the active drying tower. The active drying tower adopts counter-current flash evaporation drying, and can use air with higher temperature for drying due to high drying moisture, and simultaneously can keep the microbial activity and the biological metabolite activity of the fermentation material. Because the air with higher temperature is adopted, two layers of drying beds are arranged in the active drying tower, the energy is utilized in a gradient way, and the total energy consumption is reduced. Tail gas containing fine materials discharged from the top of the active state drying tower enters an air inlet of the drying tower salon, the fine materials are separated in the drying tower salon through centrifugation, the fine materials are settled at the bottom of the drying tower salon, and the fine materials are discharged into a primary drying chute from a discharge outlet at the bottom of the drying tower salon through an air seal machine, so that the fine materials are recovered. Cleaner tail gas discharged from a top exhaust port of the drying tower is fed into a washing air inlet pipe, the cleaner tail gas is fed into a lower inlet of a washing tower from the washing air inlet pipe, airflow flows upwards in the washing tower, stored water at the bottom of the washing tower is pumped out by a circulating pump of the washing tower, the stored water enters a spray pipe through a circulating pipe of the washing tower and is uniformly sprayed downwards to wash the tail gas, and the cleaner tail gas is discharged from the top exhaust port of the washing tower, so that the environmental benefit is greatly improved.

As a further improvement of the utility model, the primary drying chute is connected with an inlet of the pneumatic drying feeder, an outlet of the pneumatic drying feeder is connected with an inlet of a pneumatic conveying pipeline of the pneumatic drying machine, an inlet of the pneumatic conveying pipeline of the pneumatic drying machine is also connected with an outlet of a scattering device, and an inlet at the lower end of the scattering device is connected with an air outlet of the pneumatic drying heater; an outlet of an air supply pipeline of the airflow dryer is connected with an air inlet of a large cloth bag filter, the bottom of the large cloth bag filter is provided with two dry material outlets, one of the dry material outlets is connected with an inlet of the dry and wet material mixer through a dry material backflow slide pipe, the other dry material outlet is connected with an inlet of a roller cooler through a secondary drying slide pipe, and an outlet of the roller cooler is connected with a product discharge pipe; an exhaust port at the upper part of the big cloth bag filter is connected with a big cloth bag filter exhaust fan, and the outlet of the big cloth bag filter exhaust fan is connected with the washing air inlet pipe; the air outlet at the top of the roller cooler is connected with the air inlet of the small cloth bag filter, the air outlet at the top of the small cloth bag filter is connected with the small cloth bag filter exhaust fan, and the outlet of the small cloth bag filter exhaust fan is connected with the washing air inlet pipe. The material after primary drying enters an airflow drying feeder from a primary drying chute, the material enters an air conveying pipeline inlet of an airflow dryer from the airflow drying feeder, air is heated by an airflow drying heater to become hot air, the hot air enters from the lower part of a breaking device, granular materials are pushed by the hot air to flow upwards along an airflow drying hot air pipe, the agglomerated materials fall down, are broken by the breaking device and also flow upwards along with the hot air, the hot air and the materials are subjected to heat-moisture exchange in the flowing process, the water content of the material after secondary drying is reduced to 10-12%, the material enters a large cloth bag filter for separation, the material is discharged from a dry material outlet at the bottom of the large cloth bag filter, and a small part of the dry material returns to a dry-moisture material mixer through a dry material backflow chute to be mixed with sticky materials, so that the conveying performance of the material is improved, and the material is prevented from being; most of dry materials enter a roller cooler for cooling, and a cooled finished product is discharged through a product discharge pipe and packaged. The secondary dry tail gas filtered by the big cloth bag filter is pumped out by a big cloth bag filter exhaust fan from an upper exhaust port of the big cloth bag filter and is sent into a washing tower for washing through a washing air inlet pipe. The tail gas of the cooling air discharged from the top of the roller cooler enters a small cloth bag filter for separation, fine particles also enter a product discharge pipe, and the tail gas is extracted by a small cloth bag filter exhaust fan and is also sent into a washing tower for washing through a washing air inlet pipe.

As a further improvement, the drying tower heater and the air flow drying heater are sequentially provided with hot water and a steam heating unit along the flowing direction of air, the medium inlet on the upper part of the steam heating unit is connected with a raw steam pipe, the medium outlet on the lower part of the steam heating unit is connected with the medium inlet on the lower part of the hot water heating unit, and the medium outlet on the upper part of the hot water heating unit is connected with a condensate pipe. The temperature gradually increases as the air flows forward along the hot water and steam heating unit in the drying tower heater and the air current drying heater. The raw steam enters the steam heating unit to heat hot air with higher temperature, the steam releasing latent heat of vaporization becomes condensed water and flows out of the steam heating unit, then enters the hot water heating unit to heat air with lower temperature, and the condensed water is discharged from a condensed water pipe after sensible heat is released.

Drawings

The invention will be described in further detail with reference to the drawings and the detailed description, which are provided for reference and illustration purposes only and are not intended to limit the invention.

Fig. 1 is a flow chart of the batching workshop section in the utility model.

FIG. 2 is a flow chart of a single aerobic fermentation machine in an embodiment of the middle fermentation section of the present invention.

FIG. 3 is a flow chart of two aerobic fermentation machines in the middle fermentation section of the present invention.

Fig. 4 is a flow chart of the middle buffer process of the present invention.

Fig. 5 is a flow chart of the intermediate drying section of the present invention.

In the figure: 1. a feeding hopper; 2. a raw material hoister; 3. a proportioning bin; 3a, burdening spiral; 4. a batching scale; 5. a raw material buffer bin; 6. a feeding hoister; 7. a feeding buffer bin; 8. a raw material mixer; 9. a mixture buffer bin; 10. a conditioner; 11. a quality guarantee device; 12. an air cooling machine; 13. a batching air seal machine; 14. an air-cooled dust collector; 15. a burdening exhaust fan; 16, an aerobic bacteria powder bin; 17. a liquid material mixing conveyor; 18. mixing the fungus powder materials; 19. an aerobic fermentation bed; 19a, an air inlet of the aerobic layer; 19b, an aerobic layer exhaust door; 19c, an aerobic layer heat exchanger; 19d, an aerobic layer fan; 19e, atomizing spray heads; 19f, an aerobic layer air return adjusting door; 19g, an aerobic layer fresh air adjusting door; 20. a facultative fermentation bed; 20a, an air inlet of the facultative layer; 20b, a facultative layer exhaust door; 20c, a facultative layer heat exchanger; 20d, a facultative layer fan; 20e, a facultative layer spray pipe; 21. a fermented material conveyor; 22. a fermentation material buffer tank; 23. discharging the wet material spirally; 24. a scraper conveyor; 25. a breaker; 26. a dry and wet material mixer; 27. a live state drying tower; 28. drying the Teicok; 29. a washing tower; 30. an air flow dryer; 30a. an air flow dryer feeder; 31. a breaking device; 32. a large cloth bag filter; 33. a drum cooler; 34. a small cloth bag filter; B1. a washing tower circulating pump; F1. a big cloth bag filter exhaust fan; F2. a small cloth bag filter exhaust fan; F3. drying the tower saxolone exhaust fan; H1. a drying tower heater; H2. an air flow drying heater; l1, a Roots blower I; l2, a Roots blower II; l3, a Roots blower III; G1. a batching air conveying pipeline; G2. an aerobic layer liquid injection pipe; G3. a facultative layer liquid injection pipe; G4. a humidifying conduit; G5. a discharging pipe of the fermentation tower; G6. conveying the fermented materials into a pipe; g6a. an air seal machinery; G7. a fermentation wet material conveying pipe; G8. a raw steam pipe; G9. a condensate pipe; G10. a cooling water inlet pipe; G11. a cooling water outlet pipe; G12. a hot water circulation water inlet pipe; G13. a hot water circulating outlet pipe; G14. a mixture air conveying pipeline; G15. primary drying elephant trunk; G16. washing the air inlet pipe; G17. a washing tower circulation pipe; G18. a dry material backflow chute; G19. secondary drying of the chute; G20. and a product discharge pipe.

Detailed Description

The utility model discloses earlier good oxygen back facultative biological feed additive's production system, including dosing unit, multilayer fermentation tower and fermentation material buffer tank 23.

As shown in figure 1, the batching device comprises a feeding hopper 1 and a raw material elevator 2, the bottom outlet of the feeding hopper 1 is connected with the lower end inlet of the raw material elevator 2, the upper end outlet of the raw material elevator 2 is connected with the upper end inlets of a plurality of batching bins 3, the bottom of each batching bin 3 is respectively provided with a batching screw 3a, the outlet of each batching screw 3a is respectively connected with the inlet of a batching scale 4, the outlet of the batching scale 4 is connected with the inlet of a raw material buffer bin 5, the feeding screw outlet at the bottom of the raw material buffer bin 5 is connected with the inlet of a feeding elevator 6, the outlet of the feeding elevator 6 is connected with the inlet of a feeding buffer bin 7, the outlet of the feeding buffer bin 7 is connected with the inlet of a raw material mixer 8, the outlet of the raw material mixer 8 is connected with the inlet of a mixed material buffer bin 9, the outlet of the mixed material buffer bin 9 is connected with the inlet of a conditioner 10, the discharge port, the steam inlets of the quality modifier 10 and the quality guaranteeing device 11 are respectively connected with a raw steam pipe G8, the discharge port of the quality guaranteeing device 11 is connected with the feed inlet of the air cooling machine 12, and the discharge port of the air cooling machine 12 is connected with a batching air conveying pipeline G1 through a batching air seal machine 13.

During various raw materials can be poured into respectively hopper 1, promote to high-order and enter corresponding proportioning bins 3 by raw materials lifting machine 2 and store, during the batching, each raw materials is sent into the 4 measurement of weighing of batch weigher by corresponding batching spiral 3a in proper order, and the raw materials after the measurement are sent into raw materials surge bin 5 and are kept in and mix, and the mixed material makes the nutrition balance of fermentation product. After all raw materials are weighed, the mixed raw materials enter a feeding lifter 6 through a feeding screw at the bottom of a raw material buffer bin 5, the lifted mixed raw materials enter a feeding buffer bin 7 for temporary storage and then are fed into a raw material mixer 8 for mixing, the mixed raw materials enter a mixture buffer bin 9 for temporary storage and then enter a conditioner 10, raw steam enters an inner cavity of the conditioner 10 from a raw steam pipe G8 to be mixed with the raw materials to realize conditioning, raw starch in the raw materials is cured at high temperature, the microcrystalline structure of the starch is damaged, and hydrogen bonds are broken to achieve gelatinization, so that the effects of improving the nutritional structure of the feed and killing bacteria are achieved, the microbial pollution caused by the raw materials in the aerobic fermentation process is reduced, and meanwhile, protein, starch and the like in the materials are denatured, and the aerobic fermentation; discharging the mixture after the tempering and sterilization into a quality guaranteeing device 11, wherein the quality guaranteeing device 11 adopts steam indirect heating for heat preservation, sending the mixture into an air cooler 12 for cooling after the quality preservation, sending the cooled mixture into a mixture air sending pipeline G1 through a mixture air seal device 13, feeding the compressed air blown out by a Roots blower I L1 into a multilayer fermentation tower, and sending the mixture into a fermentation material buffer tank 23 for temporary storage after aerobic fermentation and facultative fermentation.

The air outlet at the top of the air cooling machine 12 is connected with the air inlet of the air cooling dust remover 14, the discharge outlet at the bottom of the air cooling dust remover 14 is connected with the inlet of the ingredient air seal machine 13 through an air seal discharge valve, the air outlet at the top of the air cooling dust remover 14 is connected with the inlet of the ingredient exhaust fan 15, and the outlet of the ingredient exhaust fan 15 is communicated with the atmosphere. The fine material flying from the top of the air cooling machine 12 enters the air cooling dust remover 14 for separation under the suction action of the burdening exhaust fan 15, and the fine material enters the burdening air conveying pipeline G1 for recovery through the burdening air seal machine 13.

As shown in fig. 2, a central material pipe communicated with each layer is arranged along the axis of the multilayer fermentation tower, the upper port of the central material pipe is connected with the discharge port of the fungus powder material mixer 18, the feed port of the fungus powder material mixer 18 is connected with the outlet of the liquid material mixing conveyor 17, the feed end of the liquid material mixing conveyor 17 is connected with the ingredient air supply pipeline G1 through a material branch pipe, the feed end of the liquid material mixing conveyor 17 is also connected with the aerobic layer injection pipe G2 through an aerobic bacterial liquid branch pipe, the upper part of the discharge end of the liquid material mixing conveyor 17 is connected with the outlet of a fungus powder feed auger, and the fungus powder feed auger is positioned at the bottom of the aerobic fungus powder bin 16; all layers above the bottom layer of the multi-layer fermentation tower are aerobic fermentation beds 19, and the bottom layer is a facultative fermentation bed 20. The multi-layer fermentation tower can be provided with three layers of fermentation beds, wherein the upper two layers are aerobic fermentation layers, and the bottom layer is a facultative fermentation layer. A facultative layer spraying pipe 20e is arranged above the material layer of the facultative fermentation bed 20, and the outer end of the facultative layer spraying pipe 20e is respectively connected with a facultative layer liquid injection pipe G3; the lower port of the central material pipe is connected with a fermentation tower discharging pipe G5.

The material after the quenching and tempering sterilization enters the inlet end of the liquid material mixing conveyor 17 from the ingredient air conveying pipeline G1 and the ingredient tee joint, the aerobic bacterial liquid flows out from the aerobic layer liquid injection pipe G2 and also enters the inlet end of the liquid material mixing conveyor 17, the material is fully mixed with the aerobic bacterial liquid while advancing along the liquid material mixing conveyor 17, and cold water can be injected through the aerobic layer liquid injection pipe G2 to ensure that the moisture content of the material is about 45%; aerobic bacterial powder is discharged from an aerobic bacterial powder bin 16 under the action of a bacterial powder feeding auger, enters an outlet end of a liquid material mixing conveyor 17, then enters a bacterial powder material mixer 18 together with materials, enters a central material pipe of a multilayer fermentation tower after being uniformly mixed with the materials, and enters aerobic fermentation beds 19 through the central material pipe.

Hot water with the temperature of about 70 ℃ can be injected into cold materials through an aerobic layer liquid injection pipe G2, the hot water is firstly uniformly mixed with the materials in the liquid material mixing conveyor 17 to increase the temperature of the materials to about 35 ℃, and then the hot water is mixed with aerobic bacterial powder; the hot water is prevented from directly contacting the aerobic bacteria powder to scald and kill the aerobic bacteria.

The material after aerobic fermentation is discharged from the aerobic fermentation bed 19, enters the bottom facultative fermentation bed 20 through the central material pipe, is uniformly sprayed with facultative bacteria liquid through the facultative layer spraying pipe 20e while being distributed, can also be subjected to secondary inoculation during material turning, and the material after facultative fermentation is discharged from a fermentation tower discharging pipe G5.

An aerobic layer air outlet and an aerobic layer air outlet door 19b are arranged on one side of the tower body wall above the aerobic fermentation bed 19, and an aerobic layer air return inlet and an aerobic layer air return adjusting door 19f are arranged on the other side of the tower body wall above the aerobic fermentation bed 19; an aerobic layer air inlet 19a is formed in the tower body wall below the aerobic fermentation bed 19, an atomizing nozzle 19e is arranged on the inner side of the aerobic layer air inlet 19a, and the inlet of the atomizing nozzle 19e is connected with a humidifying pipeline G4; the outer end of the aerobic layer air inlet 19a is connected with the air outlet of the aerobic layer heat exchanger 19c, the air inlet of the aerobic layer heat exchanger 19c is connected with the air outlet of the aerobic layer fan 19d, the air inlet of the aerobic layer fan 19d is respectively connected with an aerobic layer air return pipe and an aerobic layer fresh air pipe through a three-way pipeline, the aerobic layer air return pipe is connected with the outer end of the aerobic layer air return adjusting door 19f, and the aerobic layer fresh air pipe is communicated with the atmosphere through the aerobic layer fresh air adjusting door 19g.

Air is fed into the lower part of the aerobic fermentation bed 19 through an aerobic layer air inlet 19a by an aerobic layer fan 19d, the temperature of the air is regulated by an aerobic layer heat exchanger 19c, the air with proper temperature is uniformly blown out upwards through holes of the aerobic fermentation bed 19 to supply oxygen to materials, one part of the air passing through the material layer is discharged from an aerobic layer exhaust door 19b, the other part of the air passing through the material layer is discharged through an aerobic layer return air regulating door 19f, and enters an inlet of the aerobic layer fan 19d together with fresh air entering from the aerobic layer fresh air regulating door 19g, and the return air quantity can be regulated by changing the opening degree of the aerobic layer return air regulating door 19 f; the fresh air quantity can be adjusted by changing the opening degree of the fresh air adjusting door 19g of the aerobic layer. The fresh air and the return air are mixed, so that the oxygen content of the aerobic layer can be ensured, and part of heat can be recycled to save energy. The atomization nozzle 19e can humidify the materials along with fresh air, so that the relative humidity in the fermentation tower is kept above 90%, and the growth of microorganisms is facilitated.

The upper end ports of the aerobic layer heat exchangers 19c and the upper end ports of the aerobic layer heat exchangers are respectively connected with a steam valve and a cooling water outlet valve, the inlet of the steam valve is connected with a raw steam pipe G8, and the outlet of the cooling water outlet valve is connected with a cooling water outlet pipe G11; the lower end interface of the aerobic layer heat exchanger 19c is respectively connected with a condensed water drain valve and a cooling water inlet valve, the outlet of the condensed water drain valve is connected with a condensed water pipe G9, and the inlet of the cooling water inlet valve is connected with a cooling water inlet pipe G10. When the air in the aerobic layer needs to be heated, the steam valve and the condensed water drain valve are opened at the same time, the cooling water inlet valve and the cooling water outlet valve are closed, the steam enters the aerobic layer heat exchanger 19c, and the steam becomes condensed water after the air is heated and is discharged from the condensed water drain valve. When the air in the aerobic layer needs to be cooled, the cooling water inlet valve and the cooling water outlet valve are opened at the same time, the steam valve and the condensate water drain valve are closed, the cooling water enters the aerobic layer heat exchanger 19c, and the air is cooled and then discharged from the cooling water outlet valve.

A facultative layer air inlet 20a is arranged on the tower wall below the facultative fermentation bed 20, the facultative layer air inlet 20a is connected with an air outlet of a facultative layer heat exchanger 20c, an air inlet of the facultative layer heat exchanger 20c is connected with an air outlet of a facultative layer fan 20d, and an air inlet of the facultative layer fan 20d is communicated with the atmosphere; the wall of the tower body above the facultative fermentation bed 20 is provided with a facultative layer air outlet and a facultative layer air outlet door 20b. The facultative layer is not provided with an air circulation system, and in the facultative fermentation process, the air inlet 20a and the exhaust door 20b of the facultative layer are closed. The viscosity of the materials after facultative fermentation is high, so that the materials are difficult to convey; the facultative anaerobic layer exhaust door 20b is directly opened without transferring the materials, air is heated through the facultative anaerobic layer heat exchanger 20c, the facultative anaerobic layer fan 20d is started to deliver hot air to the lower part of the facultative anaerobic fermentation bed 20 to dry the fermented materials, so that the moisture content of the fermented materials is reduced, the uncontrolled fermentation of the fermented materials in the fermentation material buffer tank 22 is avoided while the air delivery is facilitated, and thus high-grade biological fermented materials with high moisture viscosity can be produced.

The top of the aerobic fermentation layer and the top of the facultative fermentation layer of the multi-layer fermentation tower are respectively provided with a top plate heating system, a hot water circulating pipe is arranged in the top plate heating system, hot water enters the hot water circulating pipe of the top plate heating system from a hot water circulating inlet pipe G12 and flows out from a hot water circulating outlet pipe G13. The top of each fermentation layer has a circulating water heating function, so that the ceiling is kept above the dew point temperature, the formation of roof condensate water can be prevented, and the roof condensate water is prevented from dripping to bring mixed bacteria and polluting materials.

As shown in figure 3, the multi-layer fermentation tower can be provided with two or more than three fermentation beds, each multi-layer fermentation tower is respectively provided with three fermentation beds, the upper two layers are aerobic fermentation layers, and the bottom layer is a facultative fermentation layer. Aerobic fermentation is firstly carried out, so that microorganisms (mainly mould) generate a large amount of biological metabolites; then the materials are directly subjected to facultative fermentation without translating and transferring the materials, and biological metabolites and aroma for inducing animals to eat are generated by using lactic acid bacteria, saccharomycetes, bacillus and the like, so that beneficial bacteria are eaten by the animals, the probiotic groups in the bodies of the animals are improved, the immunity of the animals is improved, and the health level of the animals is improved. After facultative fermentation, the types of probiotics and biological metabolites generated by fermentation are increased, and the effect of the biological fermentation feed is improved. The biological metabolites generated by aerobic and facultative fermentation decompose harmful substances and anti-nutrient substances in the raw materials in the facultative fermentation layer, and simultaneously decompose protein and starch into small peptides, amino acids and small molecular polysaccharides, thereby helping digestion of animals and improving the digestibility and the utilization rate of animal feed.

As shown in figure 4, the outlet of the fermentation tower discharging pipe G5 is connected with the inlet of the fermentation material conveyor 21, the outlet of the fermentation material conveyor 21 is connected with a fermentation material conveying pipe G6 through an air seal device G6a, the air inlet of the fermentation material conveying pipe G6 is connected with the outlet of a Roots blower II L2, the outlet of the fermentation material conveying pipe G6 is respectively connected with the inlet of each fermentation material buffer tank 22, the outlet of each fermentation material buffer tank 22 is respectively connected with the scraper conveyor 24 through a wet material discharging screw 23, the discharging port of the scraper conveyor 24 is connected with the inlet of the scattering machine 25, and the outlet of the scattering machine 25 is connected with a fermentation wet material conveying pipe G7. The fermentation material discharged from the fermentation tower discharging pipe G5 is conveyed into a fermentation material pneumatic conveying pipe G6 through a fermentation material conveyor 21, the fermentation material pneumatic conveying pipe G6 conveys the fermentation material into a fermentation material buffer tank 22 for temporary storage under the action of compressed air blown out by a Roots blower II L2, the material in the fermentation material buffer tank 22 is discharged through a wet material discharging screw 23, is conveyed into a scattering machine 25 through a scraper conveyor 24 to be scattered, and is conveyed to a drying section through a fermentation wet material conveying pipe G7. The material is stored outside the fermentation tower, so that the multi-layer fermentation tower can be emptied in time, the next round of material fermentation can be carried out, and the production efficiency is improved; the number of fermentation towers is reduced, and the investment is reduced.

As shown in figure 5, the outlet of the fermented wet material conveying pipe G7 is connected with the inlet of the dry and wet material mixing machine 26, the outlet of the dry and wet material mixing machine 26 is connected with the mixture air supply pipeline G14 through an air seal machine, the air inlet of the mixture air supply pipeline G14 is connected with the air outlet of the Roots blower III L3, the outlet of the mixture air supply pipeline G14 is connected with the feed inlet at the upper part of the active drying tower 27, the hot air inlet at the lower part of the active drying tower 27 is connected with the air outlet of the drying tower heater H1, and the air inlet of the drying tower heater H1 is communicated with the atmosphere. A discharge hole at the bottom of the active drying tower 27 is connected with a primary drying chute G15; the exhaust port at the top of the active drying tower 27 is connected with the air inlet of the drying tower saxolone 28, the discharge port at the bottom of the drying tower saxolone 28 is connected with a primary drying slide pipe G15, the exhaust port at the top of the drying tower saxolone 28 is connected with a washing air inlet pipe G16 through a drying tower saxolone exhaust fan F3, a washing air inlet pipe G16 is connected with the lower inlet of the washing tower 29, the bottom outlet of the washing tower 29 is connected with the inlet of a washing tower circulating pump B1, the outlet of the washing tower circulating pump B1 is connected with a spray pipe at the upper part of the washing tower 29 through a washing tower circulating pipe G17, and the exhaust port at the top of the washing tower 29 is communicated.

Sticky wet materials discharged from a fermentation wet material conveying pipe G7 are easy to bond, enter a dry wet material mixer 26 together with dry materials in a certain proportion to be mixed, reduce the moisture content and improve the transportability, the moisture content is 25-30% after uniform mixing, the sticky wet materials enter a mixture air conveying pipe G14, are conveyed to the upper layer of an active drying tower 27 through a mixture air conveying pipe G14 and flow from top to bottom; the air is heated by the drying tower heater H1 to become hot air, the hot air enters the air drying tower from the lower part of the active drying tower 27 and flows upwards in the reverse direction with the material, the water content of the material dried by the active drying tower 27 is reduced to 18-25%, and the material is discharged into the primary drying chute G15 from a discharge hole at the bottom of the active drying tower 27.

Tail gas containing fine materials discharged from the top of the active state drying tower 27 enters an air inlet of the drying tower saxolone 28, the fine materials are separated centrifugally in the drying tower saxolone 28 and are settled at the bottom of the drying tower saxolone 28, and the tail gas is also discharged into a primary drying chute G15 from a discharge outlet at the bottom of the drying tower saxolone 28 through an air seal machine, so that the fine materials are recovered. Cleaner tail gas discharged from the top exhaust port of the drying tower saxolone 28 enters a washing air inlet pipe G16, enters the lower inlet of the washing tower 29 from a washing air inlet pipe G16, air flow flows upwards in the washing tower 29, water stored at the bottom of the washing tower 29 is pumped out by a washing tower circulating pump B1, enters a spraying pipe through a washing tower circulating pipe G17 to be uniformly sprayed downwards, the tail gas is washed, and the cleaner tail gas is discharged from the top exhaust port of the washing tower 29.

The primary drying chute G15 is connected with an inlet of the pneumatic drying feeder 30a, an outlet of the pneumatic drying feeder 30a is connected with an inlet of a pneumatic conveying pipeline of the pneumatic dryer 30, an inlet of the pneumatic conveying pipeline of the pneumatic dryer 30 is also connected with an outlet of the scattering device 31, an inlet at the lower end of the scattering device 31 is connected with an air outlet of the pneumatic drying heater H2, and an air inlet of the pneumatic drying heater H2 is communicated with the atmosphere; the outlet of the air supply pipeline of the air flow dryer 30 is connected with the air inlet of a big cloth bag filter 32, the bottom of the big cloth bag filter 32 is provided with two dry material outlets, one of the dry material outlets is connected with the inlet of a dry and wet material mixer 26 through a dry material backflow slide pipe G18, the other dry material outlet is connected with the inlet of a roller cooler 33 through a secondary drying slide pipe G19, and the outlet of the roller cooler 33 is connected with a product discharge pipe G20.

The material after primary drying enters an airflow drying feeder 30a from a primary drying chute G15, the material enters an air conveying pipeline inlet of an airflow dryer 30 from the airflow drying feeder 30a, air is heated by an airflow drying heater H2 to become hot air, the hot air enters from the lower part of a scattering device 31, granular materials are pushed by the hot air to flow upwards along the airflow drying hot air pipe, the agglomerated material falls, is smashed by the scattering device 31 and flows upwards along with the hot air, the hot air and the material carry out heat-moisture exchange in the flowing process, the water content of the material after secondary drying is reduced to 10-12%, the material enters a big cloth bag filter 32 for separation, the material is discharged from a dry material outlet at the bottom of the big cloth bag filter 32, and a small part of the dry material returns to a dry-moisture material mixer 26 through a dry material backflow chute G18 to be mixed with the sticky material, so that the conveying performance of the material is improved, and the material is prevented from being; most of the dry materials enter the roller cooler 33 for cooling, and the cooled finished product is discharged through a product discharge pipe G20 and packaged.

The air outlet at the upper part of the big cloth bag filter 32 is connected with a big cloth bag filter exhaust fan F1, and the outlet of the big cloth bag filter exhaust fan F1 is connected with a washing air inlet pipe G16; the air outlet at the top of the roller cooler 33 is connected with the air inlet of the small cloth bag filter 34, the air outlet at the top of the small cloth bag filter 34 is connected with a small cloth bag filter exhaust fan F2, and the outlet of the small cloth bag filter exhaust fan F2 is connected with a washing air inlet pipe G16.

The secondary dry tail gas filtered by the big bag filter 32 is extracted from the upper exhaust port of the big bag filter 32 by a big bag filter exhaust fan F1 and is sent to the washing tower 29 for washing through a washing air inlet pipe G16. The tail gas of the cooling air discharged from the top of the roller cooler 33 enters the small cloth bag filter 34 for separation, fine particles also enter the product discharge pipe G20, and the tail gas is extracted by a small cloth bag filter exhaust fan F2 and is also sent to the washing tower 29 for washing through a washing air inlet pipe G16.

The drying tower heater H1 and the air flow drying heater H2 are sequentially provided with hot water and steam heating units along the flowing direction of air, a medium inlet at the upper part of the steam heating unit is connected with a raw steam pipe G8, a medium outlet at the lower part of the steam heating unit is connected with a medium inlet at the lower part of the hot water heating unit, and a medium outlet at the upper part of the hot water heating unit is connected with a condensate pipe G6. The temperature gradually increases as the air flows forward along the hot water and steam heating unit in the drying tower heater H1 and the air flow drying heater H2. The raw steam enters the steam heating unit to heat hot air with higher temperature, the steam releasing latent heat of vaporization becomes condensed water and flows out of the steam heating unit, then enters the hot water heating unit to heat air with lower temperature, and the condensed water is discharged from a condensed water pipe G6 after sensible heat is released.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention. In addition to the above embodiments, the present invention can also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the present invention. The undescribed technical features of the present invention can be realized by or using the prior art, and are not described herein again.

Claims (9)

1. The utility model provides an aerobic-followed-by-aerobic biological feed additive's production system, includes dosing unit and multilayer fermentation tower, its characterized in that: a central material pipe communicated with each layer is arranged along the axis of the multilayer fermentation tower, the upper port of the central material pipe is connected with the discharge port of a bacterial powder material mixer, the feed port of the bacterial powder material mixer is connected with the outlet of a liquid material mixing conveyor, the feed end of the liquid material mixing conveyor is connected with a batching air conveying pipeline through a material branch pipe, the feed end of the liquid material mixing conveyor is also connected with an aerobic layer liquid injection pipe through an aerobic bacterial liquid branch pipe, the upper part of the discharge end of the liquid material mixing conveyor is connected with the outlet of a bacterial powder feeding auger, and the bacterial powder feeding auger is positioned at the bottom of an aerobic bacterial powder bin; all layers above the bottom layer of the multi-layer fermentation tower are aerobic fermentation beds, the bottom layer is a facultative fermentation bed, a facultative layer spray pipe is arranged above a material layer of the facultative fermentation bed, and the outer end heads of the facultative layer spray pipe are respectively connected with a facultative layer liquid injection pipe; the lower port of the central material pipe is connected with a material outlet pipe of the fermentation tower; the batching device comprises a feeding hopper and a raw material hoister, wherein the bottom outlet of the feeding hopper is connected with the lower end inlet of the raw material hoister, the upper end outlet of the raw material hoister is connected with the upper end inlets of a plurality of batching bins, batching screws are respectively arranged at the bottoms of the batching bins, the outlets of the batching screws are respectively connected with the inlets of batching scales, the outlets of the batching scales are connected with the inlets of raw material buffer bins, the outlets of feeding screws at the bottoms of the raw material buffer bins are connected with the inlets of the feeding hoister, the outlets of the feeding hoister are connected with the inlets of the batching buffer bins, the outlets of the batching buffer bins are connected with the inlets of a raw material mixer, the outlets of the raw material mixer are connected with the inlets of a mixture buffer bin, the outlets of the conditioner are connected with the inlets of a quality guaranteeing device, the conditioner and the steam inlets of the quality guaranteeing device are respectively connected with a raw steam pipe, the discharge port of the quality guaranteeing device is connected with the feed port of the air cooling machine, and the discharge port of the air cooling machine is connected with the ingredient air conveying pipeline through the ingredient air seal machine.

2. The aerobic-followed-by-aerobic biological feed additive production system according to claim 1, wherein: the outlet of the fermentation tower discharging pipe is connected with the inlet of the fermentation material conveyer, the outlet of the fermentation material conveyer is connected with the fermentation material pneumatic conveying pipe through an air seal machine, the outlet of the fermentation material pneumatic conveying pipe is respectively connected with the inlet of a fermentation material buffer tank, the outlet of each fermentation material buffer tank is respectively connected with the scraper conveyer through a wet material discharging screw, the discharging port of the scraper conveyer is connected with the inlet of the scattering machine, and the outlet of the scattering machine is connected with the fermentation wet material conveying pipe.

3. The aerobic-followed-by-aerobic biological feed additive production system according to claim 2, wherein: an aerobic layer air outlet and an aerobic layer air outlet door are arranged on one side of the tower body wall above the aerobic fermentation bed, and an aerobic layer air return inlet and an aerobic layer air return adjusting door are arranged on the other side of the tower body wall above the aerobic fermentation bed; an aerobic layer air inlet is formed in the tower body wall below the aerobic fermentation bed, an atomizing nozzle is arranged on the inner side of the aerobic layer air inlet, and an inlet of the atomizing nozzle is connected with a humidifying pipeline; the outer end of the aerobic layer air inlet is connected with the air outlet of the aerobic layer heat exchanger, the air inlet of the aerobic layer heat exchanger is connected with the air outlet of the aerobic layer fan, the air inlet of the aerobic layer fan is respectively connected with an aerobic layer return air pipe and an aerobic layer fresh air pipe through a three-way pipeline, the aerobic layer return air pipe is connected with the outer end opening of the aerobic layer return air adjusting door, and the aerobic layer fresh air pipe is communicated with the atmosphere through the aerobic layer fresh air adjusting door.

4. The aerobic-followed-by-aerobic biological feed additive production system according to claim 3, wherein: the upper end ports of the aerobic layer heat exchanger and the aerobic layer heat exchanger are respectively connected with a steam valve and a cooling water outlet valve, the inlet of the steam valve is connected with a raw steam pipe, and the outlet of the cooling water outlet valve is connected with a cooling water outlet pipe; the lower end interface of the aerobic layer heat exchanger is respectively connected with a condensed water drain valve and a cooling water inlet valve, the outlet of the condensed water drain valve is connected with a condensed water pipe, and the inlet of the cooling water inlet valve is connected with a cooling water inlet pipe.

5. The aerobic-followed-by-aerobic biological feed additive production system according to claim 1, wherein: a facultative layer air inlet is arranged on the tower body wall below the facultative fermentation bed, the facultative layer air inlet is connected with an air outlet of the facultative layer heat exchanger, an air inlet of the facultative layer heat exchanger is connected with an air outlet of a facultative layer fan, and an air inlet of the facultative layer fan is communicated with the atmosphere; a facultative layer air outlet and a facultative layer air outlet door are arranged on the wall of the tower body above the facultative fermentation bed; and top plate heating systems are respectively installed at the tops of the aerobic fermentation layer and the facultative fermentation layer of the multi-layer fermentation tower, and hot water circulating pipes are arranged in the top plate heating systems.

6. The aerobic-followed-by-aerobic biological feed additive production system according to claim 1, wherein: the top air outlet of air-cooled machine links to each other with the air intake of air-cooled dust remover, the bottom bin outlet of air-cooled dust remover through close the wind relief valve with the entry of air ware is closed to the batching links to each other, the air exit at air-cooled dust remover top links to each other with the entry of batching air exhauster, the export and the atmosphere of batching air exhauster communicate with each other.

7. The aerobic-followed-by-aerobic biological feed additive production system according to claim 4, wherein: the outlet of the fermentation wet material conveying pipe is connected with the inlet of a dry and wet material mixing machine, the outlet of the dry and wet material mixing machine is connected with a mixture air conveying pipeline through an air seal machine, the outlet of the mixture air conveying pipeline is connected with a feeding hole in the upper part of an active drying tower, and a hot air inlet in the lower part of the active drying tower is connected with an air outlet of a drying tower heater; a discharge hole at the bottom of the active drying tower is connected with a primary drying chute; the gas vent at active drying tower top links to each other with the air inlet of drying tower husky kelong, the bin outlet of drying tower husky kelong bottom with the dry elephant trunk of one-level links to each other, the gas vent at drying tower husky kelong top passes through drying tower husky kelong air exhauster and links to each other with the washing air-supply line, the washing air-supply line links to each other with the lower part entry of scrubbing tower, the bottom export of scrubbing tower links to each other with the entry of scrubbing tower circulating pump, the export of scrubbing tower circulating pump pass through the scrubbing tower circulating pipe with the shower on scrubbing tower upper portion links to each other, the gas vent at scrubbing tower top communicates with each other with the atmosphere.

8. The aerobic-followed-by-aerobic biological feed additive production system according to claim 7, wherein: the primary drying chute is connected with an inlet of the airflow drying feeder, an outlet of the airflow drying feeder is connected with an inlet of an air supply pipeline of the airflow dryer, an inlet of the air supply pipeline of the airflow dryer is also connected with an outlet of a breaking device, and an inlet at the lower end of the breaking device is connected with an air outlet of the airflow drying heater; an outlet of an air supply pipeline of the airflow dryer is connected with an air inlet of a large cloth bag filter, the bottom of the large cloth bag filter is provided with two dry material outlets, one of the dry material outlets is connected with an inlet of the dry and wet material mixer through a dry material backflow slide pipe, the other dry material outlet is connected with an inlet of a roller cooler through a secondary drying slide pipe, and an outlet of the roller cooler is connected with a product discharge pipe; an exhaust port at the upper part of the big cloth bag filter is connected with a big cloth bag filter exhaust fan, and the outlet of the big cloth bag filter exhaust fan is connected with the washing air inlet pipe; the air outlet at the top of the roller cooler is connected with the air inlet of the small cloth bag filter, the air outlet at the top of the small cloth bag filter is connected with the small cloth bag filter exhaust fan, and the outlet of the small cloth bag filter exhaust fan is connected with the washing air inlet pipe.

9. The aerobic-followed-by-aerobic biological feed additive production system according to claim 8, wherein: the drying tower heater and the airflow drying heater are sequentially provided with hot water and steam heating units along the flowing direction of air, a medium inlet at the upper part of the steam heating unit is connected with a raw steam pipe, a medium outlet at the lower part of the steam heating unit is connected with a medium inlet at the lower part of the hot water heating unit, and a medium outlet at the upper part of the hot water heating unit is connected with a condensate pipe.