CN114009813B - Aquatic feed fermentation granulation system and method - Google Patents

Aquatic feed fermentation granulation system and method Download PDF

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Publication number
CN114009813B
CN114009813B CN202111227204.5A CN202111227204A CN114009813B CN 114009813 B CN114009813 B CN 114009813B CN 202111227204 A CN202111227204 A CN 202111227204A CN 114009813 B CN114009813 B CN 114009813B
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motor
sterilization
storehouse
steam
mixing
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CN114009813A (en
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类延菊
许振志
张运生
邵立业
黄春红
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Hunan University of Arts and Science
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Hunan University of Arts and Science
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23NMACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
    • A23N17/00Apparatus specially adapted for preparing animal feeding-stuffs
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K30/00Processes specially adapted for preservation of materials in order to produce animal feeding-stuffs
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/16Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating loose unpacked materials
    • A23L3/165Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating loose unpacked materials in solid state
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23NMACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
    • A23N17/00Apparatus specially adapted for preparing animal feeding-stuffs
    • A23N17/005Apparatus specially adapted for preparing animal feeding-stuffs for shaping by moulding, extrusion, pressing, e.g. pellet-mills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/22Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by pressing in moulds or between rollers

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Animal Husbandry (AREA)
  • Zoology (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Fodder In General (AREA)

Abstract

The invention belongs to the technical field of aquaculture, and particularly relates to an aquatic feed fermentation granulation system which comprises a sterilization bin and a steam engine, wherein a plurality of material mixing boxes are arranged at the top of the sterilization bin; the aquatic feed fermentation granulation system provided by the invention can be used for producing feeds with different granules, a plurality of granulation devices are not needed, the cost investment of farmers can be saved, the feeds can be sterilized during production, the quality of the feeds is ensured, the aquaculture activities of the farmers can be better assisted, and the feeding effect is better.

Description

Aquatic feed fermentation granulation system and method
Technical Field
The invention belongs to the technical field of aquaculture, and particularly relates to an aquatic feed fermentation granulation system and method.
Background
The aquaculture is a water area which can be used for cultivation by human beings, and aquatic economic animal and plant cultivation is carried out by applying aquaculture technology and facilities according to the ecological habits of cultivation objects and different requirements on the environmental conditions of the water area, and is one of agricultural production departments.
In the prior aquaculture, taking fish culture as an example, farmers generally culture various fishes in a fishpond, the fishes are different in species and habits and like to live at different water levels, when the fishes are fed with feed, some fish species in deep water areas cannot eat the feed at the first time, and the species and particle size of the feed which is liked to eat by the fishes of different species may be different, if only one feed is put in, the best culture effect cannot be achieved, so that the fishes need to be fed with various feeds.
Feed of breeding house door head and tail, need produce through the granulator, and traditional granulator function singleness, can only process into the granule of fixed size with multiple raw and other materials of fodder, can't carry out sterilization to the fodder, also can't satisfy the processing demand of producing multiple fodder, breed the house and need set up the granulator of a plurality of differences and just can satisfy the production demand, this can greatly increase breed house's cost input, even if do not consider cost factor, use multiple fodder granulator to carry out different fodder production, also relatively more troublesome, the work load is bigger, be unfavorable for going on of breeding the activity.
Based on the reasons, in order to meet the production requirement of farmers for producing various feeds at the lowest cost, the aquatic feed fermentation granulation system and the aquatic feed fermentation granulation method are provided on the basis of not increasing more workload, so that the farmers can be helped to efficiently and quickly produce different feed particles, and the feeds can be sterilized, so that the farmers can be helped to better breed different varieties of fishes.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides an aquatic feed fermentation granulation system and method, which have the characteristics of high production efficiency, low investment cost, convenience in operation and small labor amount.
In order to achieve the purpose, the invention provides the following technical scheme: an aquatic feed fermentation granulation system comprises a sterilization bin and a steam engine, wherein the top of the sterilization bin is provided with a plurality of material mixing boxes, the top of each material mixing box is provided with a feed hopper, and the left side surface of each material mixing box is fixedly connected with a stirring motor, a material mixing mechanism is arranged in each material mixing box, the driving end of the stirring motor is connected with the stirring mechanism, the stirring box is communicated with the sterilization bin through a discharging pipe, each discharging pipe is provided with an electromagnetic valve, the right side surface of the sterilizing bin is fixedly connected with a turnover motor, a turnover shaft is arranged in the sterilizing bin, the front side and the rear side of the turnover shaft are both fixedly connected with sterilization plates, the air outlet end of the steam engine is fixedly communicated with a protective cover, the protective cover is fixedly connected with the left side surface of the sterilization bin, the left end of the turnover shaft extends into the protective cover, the bottom of the sterilization bin is communicated with a granulation bin, the left side surface of the granulation bin is fixedly connected with a first motor, a first driving shaft connected with the first motor is arranged in the granulation bin, the top of the first driving shaft is fixedly connected with a pressing plate, the right side surface of the granulation bin is fixedly connected with a second motor, a second driving shaft connected with the second motor is arranged in the granulation bin, four templates are fixedly connected to the second driving shaft, the bottom of the granulation cabin is communicated with a collection cabin, a bin door is arranged on the right side surface of the collecting bin, a handle is arranged on the bin door, a discharging motor is fixedly connected to the left side of the collecting bin, the collection storehouse is provided with the screw rod that the drive end of ejection of compact motor is connected, just be provided with the push pedal in the collection storehouse, the screw rod with push pedal threaded connection.
Preferably, the front surface of the granulation cabin is fixedly connected with a control switch, and the control switch is electrically connected with the stirring motor, the overturning motor, the first motor, the second motor, the discharging motor and the electromagnetic valve through leads.
Preferably, the front surface of each stirring box is provided with an observation window, and the observation windows are made of transparent materials.
Preferably, a steam guide pipe is arranged in the sterilizing plate, a plurality of steam holes communicated with the steam guide pipe are formed in the upper side and the lower side of the sterilizing plate, the turnover shaft is a hollow pipe, and the steam guide pipe is communicated with the turnover shaft.
Preferably, four of said templates are different from each other.
An application method of an aquatic feed fermentation granulation system comprises the following steps:
the first step is as follows: the method comprises the following steps of filling the mixed materials required by various feeds into one of the mixed material boxes, starting the corresponding stirring motor through a control switch, enabling the stirring motor to drive a mixed material mechanism to stir the mixed materials, after the mixed materials are uniformly stirred, starting the corresponding electromagnetic valve through the control switch, enabling the mixed materials to enter a sterilization bin and fall on a sterilization plate, and simultaneously filling the mixed materials required by different feeds into different mixed material boxes and simultaneously starting to mix the materials;
the second step is that: after a mixed material of a certain feed enters a sterilization bin and falls on a sterilization plate, a steam engine is started through a control switch, so that steam enters a steam guide pipe through a turnover shaft, then enters a steam hole from the steam guide pipe, and finally is discharged from the steam hole, the mixed material is subjected to steam high-temperature sterilization, after sterilization is finished, a turnover motor is controlled to be started through the control switch, the turnover motor controls the turnover shaft to rotate, the turnover shaft drives the sterilization to reversely rotate, and the sterilized mixed material is poured into a granulation bin;
the third step: before the mixed materials enter a granulating bin, a proper template is required to be selected according to the feed production requirement, a proper second driving shaft is controlled to rotate through a control switch, the second driving shaft drives the template to rotate, when the proper template rotates right ahead of the driving shaft, a second motor is controlled to stop working, then a first motor is started, the first motor drives a first driving shaft to rotate, the first driving shaft drives a pressing plate to press the template, the mixed materials are pressed into feed particles, then the template with the feed particles is rotated for 180 degrees, and the feed particles fall into a collecting bin;
the fourth step: then start through control switch control ejection of compact motor, ejection of compact motor drives the screw rod and rotates, and under the screw action, the push pedal promotes the fodder granule right, opens the hatch door after, can collect the fodder granule, after having accomplished the production of a fodder, produces the fodder of different grade type according to above-mentioned mode once more, only needs to use the template that corresponds when the suppression granule to accomplish, and other steps are unchangeable.
Compared with the prior art, the invention has the beneficial effects that:
the aquatic feed fermentation granulation system provided by the invention can be used for producing feeds with different granules, a plurality of granulation devices are not needed, the cost investment of farmers can be saved, the feeds can be sterilized during production, the quality of the feeds is ensured, the aquaculture activities of the farmers can be better assisted, and the feeding effect is better.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a front view cross section of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 1 at A according to the present invention;
in the figure: 1. sterilizing a bin; 2. a granulation bin; 3. a second motor; 4. a bin gate; 5. a handle; 6. a template; 7. a second drive shaft; 8. a collection bin; 9. a screw; 10. pushing the plate; 11. a first drive shaft; 12. a discharging motor; 13. a steam engine; 14. a first motor; 15. pressing a plate; 16. an electromagnetic valve; 17. a material mixing mechanism; 18. stirring the material box; 19. a stirring motor; 20. a feed hopper; 21. an observation window; 22. a discharging pipe; 23. turning over a motor; 24. a protective cover; 25. a turning shaft; 26. a steam vent; 27. a steam conduit; 28. sterilizing the plate; 29. and controlling the switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: the aquatic feed fermentation granulation system comprises a sterilization bin 1 and a steam engine 13, wherein the top of the sterilization bin 1 is provided with a plurality of material mixing boxes 18, the top of each material mixing box 18 is provided with a feed hopper 20, the left side surface of each material mixing box 18 is fixedly connected with a stirring motor 19, the inside of each material mixing box 18 is provided with a material mixing mechanism 17, the driving end of each stirring motor 19 is connected with the material mixing mechanism 17, the material mixing boxes 18 are communicated with the sterilization bin 1 through a discharging pipe 22, each discharging pipe 22 is provided with an electromagnetic valve 16, the right side surface of the sterilization bin 1 is fixedly connected with a turnover motor 23, the sterilization bin 1 is internally provided with a turnover shaft 25, the front side and the rear side of the turnover shaft 25 are fixedly connected with sterilization plates 28, the air outlet end of the steam engine 13 is fixedly connected with a protective cover 24, the protective cover 24 is fixedly connected with the left side surface of the sterilization bin 1, the left end of the turnover shaft 25 extends into the protective cover 24, the bottom of the sterilization bin 1 is communicated with a granulation bin 2, the granulation bin 2 is fixedly connected with a first motor 14, the left side surface of the sterilization bin 2 is fixedly connected with a second driving shaft 7, the left side surface of the sterilization bin 2 is connected with a second driving shaft 7, the sterilization bin 2 is connected with a second motor 7, the sterilization bin 2 is connected with a second motor 7, the left side fixed with a second motor 7, the left side door 7, the sterilization bin 2 is connected with a second motor 7, the utility model discloses a material collecting device, including collection storehouse 8, be provided with in the collection storehouse 8 with the screw rod 9 that the drive end of ejection of compact motor 12 is connected, just be provided with push pedal 10 in the collection storehouse 8, screw rod 9 with push pedal 10 threaded connection.
Specifically, the front surface of the granulation cabin 2 is fixedly connected with a control switch 29, and the control switch 29 is electrically connected with the stirring motor 19, the overturning motor 23, the first motor 14, the second motor 3, the discharging motor 12 and the electromagnetic valve 16 through wires.
Specifically, the front surface of each stirring box 18 is provided with an observation window 21, and the observation window 21 is made of transparent materials.
Specifically, a steam guide pipe 27 is arranged in the sterilizing plate 28, a plurality of steam holes 26 communicated with the steam guide pipe 27 are formed in the upper side and the lower side of the sterilizing plate 28, the turnover shaft 25 is a hollow pipe, and the steam guide pipe 27 is communicated with the turnover shaft 25.
In particular, the four templates 6 are different from each other.
An application method of an aquatic feed fermentation granulation system comprises the following steps:
the first step is as follows: the method comprises the steps of filling the mixing materials required by various feeds into one mixing box 18, starting the corresponding mixing motor 19 through a control switch 29, enabling the mixing motor 19 to drive the mixing mechanism 17 to mix the mixing materials, after the mixing materials are uniformly mixed, starting the corresponding electromagnetic valve 16 through the control switch 29, enabling the mixing materials to enter a sterilization bin 1 and fall on a sterilization plate 28, and simultaneously filling the mixing materials required by different feeds into different mixing boxes 18 and simultaneously starting mixing the materials;
the second step: after a certain feed is mixed and falls on a sterilization plate 28 after entering a sterilization bin 1, a control switch 29 is used for starting a steam engine 13, so that steam enters a steam guide pipe 27 through a turnover shaft 25, then enters a steam hole 26 from the steam guide pipe 27, is discharged from the steam hole 26 finally, and is subjected to steam high-temperature sterilization, after sterilization is finished, a control switch 29 is used for controlling a turnover motor 23 to be started, the turnover motor 23 controls the turnover shaft 25 to rotate, the turnover shaft 25 drives the sterilization reverse rotation, and therefore the mixed and sterilized feed is poured into a granulation bin 2;
the third step: before the mixed material enters the granulating bin 2, a proper template 6 is required to be selected according to the feed production requirement, a proper second driving shaft 7 is controlled to rotate through a control switch 29, the second driving shaft 7 drives the template 6 to rotate, when the proper template 6 rotates to the position right in front of the driving shaft, the second motor 3 is controlled to stop working, then a first motor 14 is started, the first motor 14 drives a first driving shaft 11 to rotate, the first driving shaft 11 drives a pressing plate 15 to press the template 6, the mixed material is pressed into feed particles, then the template 6 with the feed particles rotates 180 degrees, and the feed particles fall into a collecting bin 8;
the fourth step: then control ejection of compact motor 12 through control switch 29 and start, ejection of compact motor 12 drives screw rod 9 and rotates, and under the screw thread effect, push pedal 10 promotes the fodder granule right, opens the hatch door after, can collect the fodder granule, has accomplished the production of a fodder after, produces the fodder of different grade type according to above-mentioned mode once more, only needs to use corresponding template 6 when the suppression granule to accomplish, and other steps are unchangeable.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides an aquatic products fodder fermentation granulation system, includes sterilization storehouse (1) and steam engine (13), its characterized in that: the top in sterilization storehouse (1) is provided with a plurality of workbins (18) of stirring, every the top of stirring workbin (18) all is provided with feeder hopper (20), and every left surface fixedly connected with agitator motor (19) of stirring workbin (18), every the inside of stirring workbin (18) all is provided with mixes material mechanism (17), the drive end of agitator motor (19) with mix material mechanism (17) and be connected, mix workbin (18) with sterilization storehouse (1) is linked together through unloading pipe (22), every all be provided with a solenoid valve (16) on unloading pipe (22), the right side fixedly connected with upset motor (23) of sterilization storehouse (1), be provided with trip shaft (25) in sterilization storehouse (1), the equal fixedly connected with sterilization board (28) in both sides around trip shaft (25), the end of steam engine (13) is fixed to be communicated with protection casing (24), protection casing (24) fixed connection be in the left surface in sterilization storehouse (1), the left side of trip shaft (25) stretch into in sterilization storehouse (24), the first side intercommunication of sterilization storehouse (1) is provided with first motor (14) and sterilization grain storehouse (14), top fixedly connected with clamp plate (15) of first drive shaft (11), the right side fixedly connected with second motor (3) in pelletization storehouse (2), be provided with in pelletization storehouse (2) with second drive shaft (7) that second motor (3) are connected, four template (6) of fixedly connected with are gone up in second drive shaft (7), the bottom intercommunication in pelletization storehouse (2) has collection storehouse (8), the right flank of collecting storehouse (8) is provided with door (4), be provided with handle (5) on door (4), collect left side fixedly connected with ejection of compact motor (12) in storehouse (8), be provided with in collection storehouse (8) with screw rod (9) that the drive end of ejection of compact motor (12) is connected, just be provided with push pedal (10) in collection storehouse (8), screw rod (9) with push pedal (10) threaded connection.
2. The system for fermenting and granulating aquatic feed according to claim 1, wherein: the front face of the granulating bin (2) is fixedly connected with a control switch (29), and the control switch (29) is electrically connected with the stirring motor (19), the overturning motor (23), the first motor (14), the second motor (3), the discharging motor (12) and the electromagnetic valve (16) through leads.
3. The system for fermenting and granulating aquatic feed according to claim 1, wherein: the front of each stirring box (18) is provided with an observation window (21), and the observation window (21) is made of transparent materials.
4. The system for fermenting and granulating aquatic feed according to claim 1, wherein: be provided with steam conduit (27) in sterilization board (28), sterilization board (28) the upper and lower both sides all seted up a plurality of with steam hole (26) that steam conduit (27) are linked together, trip shaft (25) are the hollow tube, just steam conduit (27) with trip shaft (25) are linked together.
5. The system for fermenting and granulating aquatic feed according to claim 1, wherein: the four templates (6) are different from each other.
6. The use method of the aquatic feed fermenting and pelletizing system of claim 1, wherein the method comprises the following steps: the use steps are as follows:
the first step is as follows: the method comprises the steps that mixing materials required by various feeds are filled into one mixing box (18), then a corresponding mixing motor (19) is started through a control switch (29), the mixing motor (19) drives a mixing mechanism (17) to mix the mixing materials, after the mixing is uniform, a corresponding electromagnetic valve (16) is started through the control switch (29), the mixing materials enter a sterilization bin (1) and fall on a sterilization plate (28), the mixing materials required by different feeds can be filled into different mixing boxes (18) at the same time, and the mixing is started at the same time;
the second step is that: after the mixed feed of the feed enters the sterilization bin (1) and falls on the sterilization plate (28), the steam engine (13) is started through the control switch (29) to enable steam to enter the steam guide pipe (27) through the turnover shaft (25), then the steam enters the steam hole (26) from the steam guide pipe (27), and finally the steam is discharged from the steam hole (26) to carry out steam high-temperature sterilization on the mixed feed;
the third step: before the mixed material enters the granulating bin (2), a proper template (6) is required to be selected according to the feed production requirement, a proper second driving shaft (7) is controlled to rotate through a control switch (29), the second driving shaft (7) drives the template (6) to rotate, when the proper template (6) rotates right ahead of the driving shaft, a second motor (3) is controlled to stop working, then a first motor (14) is started, the first motor (14) drives a first driving shaft (11) to rotate, the first driving shaft (11) drives a pressing plate (15) to press the template (6), the mixed material is pressed into feed particles, then the template (6) with the feed particles rotates 180 degrees, and the feed particles fall into a collecting bin (8);
the fourth step: then control ejection of compact motor (12) through control switch (29) and start, ejection of compact motor (12) drive screw rod (9) and rotate, under the screw thread effect, push pedal (10) promote the fodder granule right, open the hatch door after, can collect the fodder granule, after having accomplished the production of a fodder, produce the fodder of different grade type according to above-mentioned mode once more, only need use corresponding template (6) can accomplish when suppressing the granule, other steps are unchangeable.
CN202111227204.5A 2021-10-21 2021-10-21 Aquatic feed fermentation granulation system and method Active CN114009813B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09142976A (en) * 1995-11-28 1997-06-03 Taki Chem Co Ltd Production of granular chicken droppings manure
CN105455179A (en) * 2015-12-31 2016-04-06 武汉新农翔饲料有限公司 Corn feed steam type conditioner
CN108113032A (en) * 2017-12-27 2018-06-05 赵利波 A kind of Wastes of Crops utilizes feed processing granulation device
CN207754516U (en) * 2018-01-10 2018-08-24 共青科技职业学院 A kind of quenched granulation integrated apparatus for producing feed

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09142976A (en) * 1995-11-28 1997-06-03 Taki Chem Co Ltd Production of granular chicken droppings manure
CN105455179A (en) * 2015-12-31 2016-04-06 武汉新农翔饲料有限公司 Corn feed steam type conditioner
CN108113032A (en) * 2017-12-27 2018-06-05 赵利波 A kind of Wastes of Crops utilizes feed processing granulation device
CN207754516U (en) * 2018-01-10 2018-08-24 共青科技职业学院 A kind of quenched granulation integrated apparatus for producing feed

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Application publication date: 20220208

Assignee: Changdeyungang Biotechnology Co.,Ltd.

Assignor: HUNAN University OF ARTS AND SCIENCE

Contract record no.: X2023980036335

Denomination of invention: A system and method for fermenting and granulating aquatic feed

Granted publication date: 20221104

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Record date: 20230607