CN113558157A - Preparation process of net-bag type fish feed - Google Patents

Preparation process of net-bag type fish feed Download PDF

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Publication number
CN113558157A
CN113558157A CN202110872821.4A CN202110872821A CN113558157A CN 113558157 A CN113558157 A CN 113558157A CN 202110872821 A CN202110872821 A CN 202110872821A CN 113558157 A CN113558157 A CN 113558157A
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Prior art keywords
bag
feed
net
fish feed
preparation process
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CN202110872821.4A
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Chinese (zh)
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周圣良
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Zhenghong Group Suqian Agricultural Development Co ltd
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Zhenghong Group Suqian Agricultural Development Co ltd
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Priority to CN202110872821.4A priority Critical patent/CN113558157A/en
Publication of CN113558157A publication Critical patent/CN113558157A/en
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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K50/00—Feeding-stuffs specially adapted for particular animals
    • A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00—Culture of aquatic animals
    • A01K61/80—Feeding devices
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/10—Animal feeding-stuffs obtained by microbiological or biochemical processes
    • A23K10/16—Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions
    • A23K10/18—Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions of live microorganisms
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/20—Animal feeding-stuffs from material of animal origin
    • A23K10/22—Animal feeding-stuffs from material of animal origin from fish
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • A23K10/37—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A23K20/174—Vitamins
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K40/00—Shaping or working-up of animal feeding-stuffs
    • A23K40/10—Shaping or working-up of animal feeding-stuffs by agglomeration; by granulation, e.g. making powders
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K40/00—Shaping or working-up of animal feeding-stuffs
    • A23K40/30—Shaping or working-up of animal feeding-stuffs by encapsulating; by coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/54—Means for supporting containers or receptacles during the filling operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D29/00—Sacks or like containers made of fabrics; Flexible containers of open-work, e.g. net-like construction
    • B65D29/04—Net-like containers made of plastics material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish
    • Y02A40/818—Alternative feeds for fish, e.g. in aquacultures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/87—Re-use of by-products of food processing for fodder production

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Animal Husbandry (AREA)
  • Mechanical Engineering (AREA)
  • Physiology (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Molecular Biology (AREA)
  • Microbiology (AREA)
  • Health & Medical Sciences (AREA)
  • Biotechnology (AREA)
  • Biomedical Technology (AREA)
  • Environmental Sciences (AREA)
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  • Insects & Arthropods (AREA)
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  • Biodiversity & Conservation Biology (AREA)
  • Botany (AREA)
  • Mycology (AREA)
  • Fodder In General (AREA)

Abstract

The invention discloses a preparation process of a net bag type fish feed, which belongs to the field of fish feeds, wherein irregular broken stone-shaped closed-cell ceramic particles are doped into a granular fish feed, so that on one hand, the gap between the granular fish feed can be increased, the filling power of the feed is improved, and the emission of moisture in the granular fish feed is convenient, on the other hand, the granular fish feed doped with the closed-cell ceramic particles is injected into a bag opening net bag to form the net bag feed, when the net bag feed is put into use, the speed of the granular fish feed sinking into the water bottom can be slowed down through the common buoyancy of the closed-cell ceramic particles and the bag opening net bag, the flowing time of the granular fish feed is prolonged, the large-area diffusion degree of the granular fish feed in the water is improved, and after most of the granular fish feed is diffused, the bag opening net bag can carry the closed-cell ceramic particles and the residual fish feed to float upwards, thereby not only effectively lightening the sinking situation of the fish feed, but also not bringing impurity pollution to the water body, the closed-pore ceramic particles and the bag opening net bag are collected and recycled.

Description

Preparation process of net-bag type fish feed
Technical Field
The invention relates to the field of fish feed, in particular to a preparation process of a net bag type fish feed.
Background
Fish feed, as the name implies, is feed for fish. It is mainly composed of protein, fat, vitamins and minerals. The protein is an important nutrient substance for the survival of fishes and shrimps and is an important constituent substance for forming cells, tissues and organs of a body.
The fish pellet feed has a diameter of 2.5-8.0mm and a length of 5-10mm, and can be directly fed. If the feed is wet and is not required to be fed directly, the feed is aired or dried in the sun first and then fed.
When a large amount of fish feed is fed in the existing fishpond, the condition that the fish feed sinks to the bottom easily occurs, the feed is easy to be insufficiently utilized, a large amount of feed is accumulated for a long time, and the water quality is easy to be polluted.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a preparation process of a net bag type fish feed, which can improve the filling power of the feed and facilitate the emission of moisture in the feed by doping irregular crushed stone-shaped closed-cell ceramic particles into the granular fish feed, and can slow down the sinking rate of the granular fish feed to the bottom of the water and improve the large-area diffusion degree of the granular fish feed in the water by the common buoyancy of the closed-cell ceramic particles and a bag opening net bag after the granular fish feed is prepared into the net bag feed.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A preparation process of a net bag type fish feed comprises the following steps:
s1, weighing the raw materials of the fish feed: 35-45% of rice bran, 32-42% of bran, 5-10% of bean cake, 5-15% of fish meal, 1-3% of yeast powder and 0.5-1.5% of vitamin;
s2, crushing and fully mixing the fish feed raw materials, and feeding the crushed raw materials into a granulator for granulation to obtain granulated fish feed;
s3, adding the screened irregular gravel-shaped closed-cell ceramic particles into the granulated fish feed according to a certain proportion, and uniformly mixing to obtain a granule-mixed feed;
and S4, drying the pellet-doped feed, respectively injecting the pellet-doped feed into a plurality of bag-mouth net bags, namely, packaging in a net, and sealing the bag-mouth net bags to form the final net bag feed.
Further, the diameter of the net-packaged feed in the step S1 is 2cm-6 cm.
Further, in the step S3, the particle size of the closed-cell ceramic particles is 1cm-3cm, and the volume ratio of the closed-cell ceramic particles to the main powder is 1: 30-60.
Further, the method for screening the ceramsite in the step S3 comprises the following steps: pouring the ceramic particles after size screening into clear water, selecting the ceramic particles floating on the water surface, namely hollow ceramic particles, drying the hollow ceramic particles for later use, and recovering the residual ceramic particles which are deposited at the bottom of the water and suspended in the water.
Further, the bag mouth string bag comprises a single-mouth net sleeve, the particle sizes of the granular fish feed and the closed-cell ceramic particles are smaller than the aperture of a mesh of the single-mouth net sleeve, a soft sealing bag is fixedly connected with an opening end of the single-mouth net sleeve, and air is filled in the soft sealing bag.
Furthermore, the outer end of the soft sealing bag is fixedly connected with a soft system ring, a tether is arranged inside the soft system ring, two ends of the tether penetrate through the inner wall of the soft system ring and extend to the outer side of the soft system ring, and two ends of the tether are fixedly connected with end balls.
Further, in the step S4, the grain-mixed feed is packaged in a net by using a material injection double plate.
Furthermore, annotate the material double plate including apron and flourishing board, set up a plurality of evenly distributed's notes hole on the apron, a plurality of evenly distributed's ball groove is seted up to the upper end of flourishing board, notes hole and ball groove one-to-one, and notes hole aperture is the same with ball groove notch bore.
Furthermore, the caliber of the opening of the ball groove is 0.4-0.6 times of the diameter of the net bag feed, and the groove depth of the ball groove is 0.8-0.9 times of the diameter of the net bag feed.
Further, the use method of the injection double plate comprises the following steps:
a1, placing the containing plate on a plane, placing a plurality of bag mouth net bags into the ball groove one by one, and opening the soft sealing bags to lay the soft sealing bags at the upper end of the containing plate;
a2, aligning the injection hole with the ball groove, stacking the cover plate on the upper end of the cover plate from top to bottom, and pressing the bag mouth string bag;
a3, injecting the mixed feed into each bag mouth string bag in sequence through the injection holes, wherein the injection amount standard is as follows: the upper surface of the pellet-mixed feed reaches the inner side of the injection hole;
and A4, after all bag openings of the containing plate are filled, taking down the cover plate, and sealing the soft sealing bag.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the proposal is that the granular fish feed is doped with the closed-cell ceramic granules with irregular macadam shapes, on one hand, can increase the gap between the granulated fish feed, improve the filling power of the feed and facilitate the diffusion of the moisture in the feed, on the other hand, the granulated fish feed mixed with the closed-cell ceramic granules is injected into the pocket at the bag opening to form the net bag feed, when in use, the common buoyancy of the closed-cell ceramic particles and the bag opening net bag can slow down the sinking speed of the granular fish feed to the water bottom, prolong the flowing time of the granular fish feed, improve the large-area diffusion degree of the granular fish feed in water, and, after most of the water is diffused, the bag opening net bag can carry the closed-cell ceramic particles and the rest fish feed to float upwards, thereby not only effectively reducing the sinking condition of the fish feed, meanwhile, on the basis of not bringing impurity pollution to the water body, the closed-pore ceramic particles and the bag opening net bag are collected and recycled.
(2) The irregular macadam-shaped closed-cell ceramic particles are doped in the granular fish feed, so that the gap between the granular fish feed can be increased, namely: compared with the prior fish feed, the grain-doped feed pile formed after the two are mixed has higher filling power, is convenient for the dispersion of the moisture in the feed, and ensures that the feed is not easy to damp and agglomerate in the storage process.
(3) The obturator ceramic granule after the screening becomes the showy state in the water, when using the net package fodder to feed fish, after throwing the net package fodder into the pond water, through the buoyancy of obturator ceramic granule and bag mouth string bag two, can slow down the speed that the granule fish fodder sinks into the bottom, prolong its flow time, meanwhile, it is edible by fish along with the granule fish fodder, and dissolve in aqueous, the average density of net package fodder reduces, further slow down net package fodder rate of sinking, thereby be convenient for realize the even comprehensive diffusion of granule fish fodder in aqueous.
(4) After the pellet fish fodder majority consumed, under self buoyancy, the bag mouthful string bag is wrapping up obturator ceramic granule and the common come-up of surplus fish fodder, float on the water, not only alleviate the condition of the heavy end of fish fodder greatly, and simultaneously, along with the flow of water, surplus fish fodder spreads once more, and finally, bag mouthful string bag and obturator ceramic granule can be along with rivers gathering in pond delivery port department, thereby be convenient for collect and reuse obturator ceramic granule and bag mouthful string bag, on the basis of not bringing other impurity pollution to the water, can also realize the used circulation of material.
(5) The sack net bag includes single mouthful of net bag, the soft seal bag of open end fixedly connected with of single mouthful of net bag, the inside packing of soft seal bag has the air, it is certain because of the air volume, outwards expand when the soft seal bag, when the soft seal bag is the open mode promptly, along with soft seal bag mouth footpath increase, the soft seal bag inflation degree reduces, otherwise, when the soft seal bag contracts to the addendum, when being the closure state, the increase of soft seal bag inflation degree, through the mutual extrusion of soft seal bag self, closely laminate, realize the effective shutoff to the inside material of single mouthful net bag, mention in step S4 promptly and realize sealing to the sack net bag.
(6) In the step S4, the grain-mixed feed is packaged in a net-separating mode through the material injection double discs, quantitative net-separating packaging is convenient for the grain-mixed feed to a certain extent through the material injection double discs, and net-separating packaging efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a perspective view of the net-wrapped feed of the present invention;
FIG. 3 is a schematic view of a partial front structure of a bag mouth string bag according to the present invention;
FIG. 4 is a schematic structural view of the bag mouth string bag of the present invention at the time of sealing;
FIG. 5 is a schematic structural view of a bag-mouth string bag after the pellet fish feed is completely dissolved;
FIG. 6 is a first perspective view of the injection double plate of the present invention when not in use;
FIG. 7 is a perspective view of the dual feed tray of the present invention in use;
fig. 8 is a second perspective view of the injection double plate of the present invention when not in use.
The reference numbers in the figures illustrate:
1 single-port net cover, 2 soft sealing bags, 3 soft tying rings, 4 tying ropes, 5 end balls, 6 cover plates, 601 injection holes, 7 containing plates and 701 ball grooves.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1, a preparation process of a net-bag type fish feed includes the following steps:
s1, weighing the raw materials of the fish feed: 35-45% of rice bran, 32-42% of bran, 5-10% of bean cake, 5-15% of fish meal, 1-3% of yeast powder and 0.5-1.5% of vitamin;
s2, crushing and fully mixing the fish feed raw materials, and feeding the crushed raw materials into a granulator for granulation to obtain granulated fish feed;
s3, adding the screened irregular gravel-shaped closed-cell ceramic particles into the granulated fish feed according to a certain proportion, and uniformly mixing to obtain a granule-mixed feed;
and S4, drying the pellet-doped feed, respectively injecting the pellet-doped feed into a plurality of bag-mouth net bags, namely, packaging in a net, and sealing the bag-mouth net bags to form the final net bag feed.
In the step S1, the diameter of the net-packed feed is 2cm-6 cm.
In the step S3, the particle size of the closed-cell ceramic particles is 1cm-3cm, and the volume ratio of the closed-cell ceramic particles to the main powder is 1: 30-60.
The screening method of the ceramsite in the step S3 comprises the following steps: pouring the ceramic particles after size screening into clear water, selecting the ceramsite floating on the water surface, namely hollow ceramic particles, drying the hollow ceramic particles for later use, and recovering and treating the residual ceramsite sinking at the water bottom and suspending in the water, wherein the closed-pore ceramic particles have the following functions:
firstly, the irregularly-crushed closed-cell ceramic particles are doped in the granular fish feed, so that the gap between the granular fish feed can be increased, namely: compared with the existing fish feed, the pellet-mixed feed pile formed by mixing the fish feed and the fish feed has higher bulkiness, is convenient for the diffusion of moisture in the fish feed, and ensures that the feed is not easy to damp and agglomerate in the storage process;
secondly, the screened closed-cell ceramic particles float in the water body, so that when the net-packed feed is used for feeding fishes, after the net-packed feed is thrown into the water body of a fish pond, the floating force of the closed-cell ceramic particles and the bag opening net bag can slow down the sinking rate of the granular fish feed to the water bottom and prolong the flowing time of the granular fish feed, and meanwhile, along with the eating of the granular fish feed by fishes and the dissolution of the granular fish feed in water, the average density of the net-packed feed is reduced, the sinking rate of the net-packed feed is further slowed down, and the uniform and comprehensive diffusion of the granular fish feed in the water is facilitated;
in addition, after the pellet fish fodder mostly consumed, under self buoyancy, the bag mouthful string bag is wrapping up obturator ceramic granule and the common come-up of surplus fish fodder, float on the water, not only alleviate the condition of the fish fodder sinking end greatly, and simultaneously, along with the flow of water, surplus fish fodder is diffused once more, and finally, bag mouthful string bag and obturator ceramic granule can be along with rivers gathering in pond delivery port department, thereby be convenient for collect and reuse obturator ceramic granule and bag mouthful string bag, on the basis of not bringing other impurity pollution to the water, can also realize the used circulation of material.
Referring to fig. 2, the bag-mouth string bag includes a single-mouth net sleeve 1, the particle diameters of the granulated fish feed and the closed-cell ceramic particles are smaller than the aperture diameter of the mesh of the single-mouth net sleeve 1, i.e. the granulated fish feed and the closed-cell ceramic particles are not easy to fall from the single-mouth net sleeve 1 before and after use, which is convenient for feeding the granulated fish feed and recovering the closed-cell ceramic particles, the open end of the single-mouth net sleeve 1 is fixedly connected with a soft sealing bag 2, the inside of the soft sealing bag 2 is filled with air, because the volume of the air is constant, when the soft sealing bag 2 expands outwards, i.e. the soft sealing bag 2 is in an open state, the expansion degree of the soft sealing bag 2 decreases along with the increase of the aperture of the soft sealing bag 2, otherwise, when the soft sealing bag 2 contracts inwards to be in a closed state, the expansion degree of the soft sealing bag 2 increases, and the materials inside of the single-mouth net sleeve 1 are effectively blocked by mutual extrusion and close fit of the soft sealing bag 2, as shown in fig. 4, namely, the bag mouth net bag is sealed in the step S4.
Please refer to fig. 2, the outer end of the soft sealing bag 2 is fixedly connected with a soft fastening ring 3, a fastening rope 4 is arranged inside the soft fastening ring 3, two ends of the fastening rope 4 penetrate through the inner wall of the soft fastening ring 3 and extend to the outer side of the soft fastening ring 3, the soft sealing bag 2 in a closed state is conveniently fastened and fixed through the fastening rope 4, the sealing firmness of the soft sealing bag 2 is effectively ensured, two ends of the fastening rope 4 are fixedly connected with end balls 5, the fastening rope 4 is not easy to completely contract into the soft fastening ring 3 through the limit of the end balls 5, and the use of the fastening rope 4 is facilitated.
In the step S4, the grain-mixed feed is packaged in a net-separating mode through the material injection double discs, quantitative net-separating packaging is convenient for the grain-mixed feed to a certain extent through the material injection double discs, and net-separating packaging efficiency is improved.
Referring to fig. 6 to 8, the dual feeding trays include a cover plate 6 and a containing plate 7, the cover plate 6 is provided with a plurality of uniformly distributed feeding holes 601, the upper end of the containing plate 7 is provided with a plurality of uniformly distributed ball grooves 701, the feeding holes 601 correspond to the ball grooves 701 one by one, the aperture of the feeding holes 601 is the same as the aperture of the openings of the ball grooves 701, the aperture of the openings of the ball grooves 701 is 0.4 to 0.6 times the diameter of the net-wrapped fodder, and the depth of the ball grooves 701 is 0.8 to 0.9 times the diameter of the net-wrapped fodder.
The use method of the injection double-plate comprises the following steps:
a1, placing the containing plate 7 on a plane, placing a plurality of bag mouth net bags into the ball groove 701 one by one, and opening the soft sealing bags 2 to lay on the upper end of the containing plate 7;
a2, aligning the injection hole 601 with the ball groove 701, stacking the cover plate 6 on the upper end of the cover plate 6 from top to bottom, and pressing the bag mouth string bag;
a3, injecting the granule-mixed feed into each bag mouth string bag in sequence through the injection holes 601, wherein the injection amount standard is as follows: the upper surface of the pellet-mixed feed reaches the inner side of the injection hole 601;
a4, after all bag openings net bags on the containing plate 7 are filled, the cover plate 6 is taken down, and the soft sealing bag 2 is sealed.
The cover plate 6 plays a role in compressing and limiting the soft sealing bag 2 in an open state, so that the soft sealing bag 2 is not easy to move, contract and the like in the process of packaging the grain-mixed feed, and the grain-mixed feed is conveniently and smoothly added; through the cooperation of apron 6 and flourishing board 7 use, be convenient for control mix the injection volume of grain fodder in single mouthful of net cover 1, be convenient for prepare the net package fodder that accords with the size.
The invention adds the irregular macadam-shaped closed-cell ceramic particles into the granular fish feed, on one hand, can increase the gap between the granulated fish feed, improve the filling power of the feed and facilitate the diffusion of the moisture in the feed, on the other hand, the granulated fish feed mixed with the closed-cell ceramic granules is injected into the pocket at the bag opening to form the net bag feed, when the fish feed is put into use, the common buoyancy of the closed-cell ceramic particles and the bag opening net bag can slow down the sinking speed of the granular fish feed to the water bottom, prolong the flowing time of the granular fish feed, improve the large-area diffusion degree of the granular fish feed in water, and, after most of the water is diffused, the bag opening net bag can carry the closed-cell ceramic particles and the rest fish feed to float upwards, thereby not only effectively reducing the sinking situation of the fish feed, meanwhile, on the basis of not bringing impurity pollution to the water body, the closed-pore ceramic particles and the bag opening net bag are collected and recycled.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims (10)

1. A preparation process of a net bag type fish feed is characterized by comprising the following steps: the method comprises the following steps:
s1, weighing the raw materials of the fish feed: 35-45% of rice bran, 32-42% of bran, 5-10% of bean cake, 5-15% of fish meal, 1-3% of yeast powder and 0.5-1.5% of vitamin;
s2, crushing and fully mixing the fish feed raw materials, and feeding the crushed raw materials into a granulator for granulation to obtain granulated fish feed;
s3, adding the screened irregular gravel-shaped closed-cell ceramic particles into the granulated fish feed according to a certain proportion, and uniformly mixing to obtain a granule-mixed feed;
and S4, drying the pellet-doped feed, respectively injecting the pellet-doped feed into a plurality of bag-mouth net bags, namely, packaging in a net, and sealing the bag-mouth net bags to form the final net bag feed.
2. The preparation process of the net bag type fish feed as claimed in claim 1, wherein the preparation process comprises the following steps: the diameter of the net-packaged feed in the step S1 is 2cm-6 cm.
3. The preparation process of the net bag type fish feed as claimed in claim 1, wherein the preparation process comprises the following steps: the particle size of the closed-cell ceramic particles in the step S3 is 1cm-3cm, and the volume ratio of the closed-cell ceramic particles to the main powder is 1: 30-60.
4. The preparation process of the net bag type fish feed as claimed in claim 1, wherein the preparation process comprises the following steps: the method for screening the ceramsite in the step S3 comprises the following steps: pouring the ceramic particles after size screening into clear water, selecting the ceramic particles floating on the water surface, namely hollow ceramic particles, drying the hollow ceramic particles for later use, and recovering the residual ceramic particles which are deposited at the bottom of the water and suspended in the water.
5. The preparation process of the net bag type fish feed as claimed in claim 1, wherein the preparation process comprises the following steps: the bag mouth string bag comprises a single-mouth net sleeve (1), the particle sizes of the granular fish feed and the closed-cell ceramic particles are smaller than the mesh aperture of the single-mouth net sleeve (1), the open end of the single-mouth net sleeve (1) is fixedly connected with a soft-sealing bag (2), and the inside of the soft-sealing bag (2) is filled with air.
6. The preparation process of the net bag type fish feed as claimed in claim 5, wherein the preparation process comprises the following steps: the soft outer end fixedly connected with of soft seal bag (2) is soft to be enclosed (3), the inside that soft is enclosed (3) is equipped with tether (4), the both ends of tether (4) all run through the inner wall that soft is enclosed (3) and extend to the outside that soft is enclosed (3), the equal fixedly connected with end ball (5) in both ends of tether (4).
7. The preparation process of the net bag type fish feed as claimed in claim 1, wherein the preparation process comprises the following steps: and in the step S4, the grain-mixed feed is packaged in a net by adopting an injection double-disc mode.
8. The preparation process of the net bag type fish feed as claimed in claim 7, wherein the preparation process comprises the following steps: annotate two dishes of material including apron (6) and flourishing board (7), set up a plurality of evenly distributed's notes hole (601) on apron (6), a plurality of evenly distributed's ball groove (701) have been seted up to the upper end of flourishing board (7), notes hole (601) and ball groove (701) one-to-one, and notes hole (601) aperture is the same with ball groove (701) notch bore diameter.
9. The process for preparing the net-packed fish feed according to claim 8, wherein the process comprises the following steps: the caliber of the opening of the ball groove (701) is 0.4-0.6 times of the diameter of the net bag feed, and the groove depth of the ball groove (701) is 0.8-0.9 times of the diameter of the net bag feed.
10. The process for preparing the net-packed fish feed according to claim 8, wherein the process comprises the following steps: the use method of the injection double plate comprises the following steps:
a1, placing a containing plate (7) on a plane, placing a plurality of bag opening net bags into a ball groove (701) one by one, and opening and laying a soft sealing bag (2) at the upper end of the containing plate (7);
a2, aligning the injection hole (601) with the ball groove (701), stacking the cover plate (6) on the upper end of the cover plate (6) from top to bottom, and pressing the bag mouth string bag;
a3, injecting the pellet-mixed feed into each bag mouth string bag in sequence through an injection hole (601), wherein the injection amount standard is as follows: the upper surface of the pellet-mixed feed reaches the inner side of the injection hole (601);
a4, after all bag openings of the containing plate (7) are filled, the cover plate (6) is taken down, and the soft sealing bag (2) is sealed.
CN202110872821.4A 2021-07-30 2021-07-30 Preparation process of net-bag type fish feed Pending CN113558157A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004021800A1 (en) * 2002-09-06 2004-03-18 Nippon Suisan Kaisha, Ltd. Bound feed and process for producing the same
CN102557594A (en) * 2011-12-23 2012-07-11 中国海洋大学 High-strength and low-density ceramic hollow ball and preparation method thereof
CN111772037A (en) * 2020-07-29 2020-10-16 王正东 Floating soft pellet feed and processing method and application thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004021800A1 (en) * 2002-09-06 2004-03-18 Nippon Suisan Kaisha, Ltd. Bound feed and process for producing the same
CN102557594A (en) * 2011-12-23 2012-07-11 中国海洋大学 High-strength and low-density ceramic hollow ball and preparation method thereof
CN111772037A (en) * 2020-07-29 2020-10-16 王正东 Floating soft pellet feed and processing method and application thereof

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