CN111011591B - Special puffing pellet feed for mandarin fish and production equipment thereof - Google Patents
Special puffing pellet feed for mandarin fish and production equipment thereof Download PDFInfo
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- CN111011591B CN111011591B CN201911405526.7A CN201911405526A CN111011591B CN 111011591 B CN111011591 B CN 111011591B CN 201911405526 A CN201911405526 A CN 201911405526A CN 111011591 B CN111011591 B CN 111011591B
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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
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- 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
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- 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
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- 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
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- 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
- A23K20/105—Aliphatic or alicyclic compounds
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- 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
- A23K20/142—Amino acids; Derivatives thereof
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- 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
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- 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
- A23K20/20—Inorganic substances, e.g. oligoelements
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- 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
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Abstract
The invention belongs to the technical field of aquatic feeds, and particularly relates to a special expanded pellet feed for mandarin fish and production equipment thereof. According to the invention, the ingestion speed of mandarin fish is improved by adding the palatability additive and the colorant into the feed composition, the effect of low feed waste rate is achieved, and the effective interception and removal effects on the flaked and mildewed fish meal are ensured by arranging the annular filter frame, the mounting ring groove, the circular filter screen, the main retainer half ring and the auxiliary retainer half ring on the feed pipe of the stirring kettle. The invention has the advantages of reasonable and effective component proportion, good palatability, bright color, convenient mandarin fish discovery and ingestion, difficult waste of final feed and low feed coefficient, and the stirring kettle has the advantages of reasonable and effective filtering interception structure for the flaked and mildewed fish meal, simple and quick filtering mode, convenient removal and cleaning of the mildewed fish meal, high self stability of the filtering interception structure, convenient disassembly and maintenance and convenient filter screen replacement.
Description
Technical Field
The invention belongs to the technical field of aquatic feeds, and particularly relates to a special expanded pellet feed for mandarin fish and production equipment thereof.
Background
The mandarin fish, commonly called Guiyu, is one kind of aquatic fish with high economic value and is meat fish with high quality fish powder as main feed component. On the other hand, if the auxiliary components in the feed components are not properly proportioned, the palatability of the feed is greatly reduced, and finally the problem of slow growth speed and increased morbidity of fishes is caused, so that a special mandarin fish feed with good palatability is urgently needed in the market.
In addition, existing equipment for producing feed, especially feed mixer, is all adopted the mode of directly empting when adding the fish meal, if fish meal breeds bonito festival worm under this mode, the big piece of fish meal piece that mildews that its produced links then can be added together, finally influences the fodder quality greatly, even leads to the fish to attack, so the market is urgently needed a novel feed mixer of area disqualified fish meal piece interception filtering capability.
The Chinese patent publication No. CN 107927451A, publication No. 2018.04.20 discloses a mandarin fish feed, which comprises, by weight, 50-100 parts of meat emulsion, 30-50 parts of fish meal, 10-20 parts of flour, 2-9 parts of pork liver, 30-40 parts of corn meal, 5-10 parts of brown sugar, 60-100 parts of shrimp meal, 10-20 parts of soybean meal, 5-10 parts of lard, 1-3 parts of lactic acid bacteria, 1-2 parts of vitamin D, 8-10 parts of cod liver oil and 2-5 parts of traditional Chinese medicine additives, wherein the traditional Chinese medicine additives comprise: 1-3 parts of chicken's gizzard-membrane, 4-6 parts of burnt medicated leaven, 4-6 parts of burnt hawthorn, 1-3 parts of dwarf lilyturf tuber, 0.5-1 part of lily, and 8-10 parts of stir-fried hyacinth bean.
However, the mandarin fish feed in the patent has the problems of poor palatability, long ingestion time and large feed waste.
Disclosure of Invention
The invention aims to provide a special expanded pellet feed for mandarin fish and production equipment thereof, which can improve the ingestion speed of mandarin fish by adding a palatability additive and a coloring agent into the feed composition, achieve the effect of low feed waste rate, and ensure the effective interception and removal effect on sheet molding fish meal by arranging an annular filter frame, an annular mounting groove, a circular filter screen, a main fixed semi-ring and an auxiliary fixed semi-ring on a feed pipe of a stirring kettle. The invention has the advantages of reasonable and effective component proportion, good palatability, bright color, convenient mandarin fish discovery and ingestion, difficult waste of final feed and low feed coefficient, and the stirring kettle has the advantages of reasonable and effective filtering interception structure for the flaked and mildewed fish meal, simple and quick filtering mode, convenient removal and cleaning of the mildewed fish meal, high self stability of the filtering interception structure, convenient disassembly and maintenance and convenient filter screen replacement.
The invention adopts the technical proposal that: the special puffed pellet feed for mandarin fish comprises fish meal, adhesive flour, vitamin additive, mineral additive, mildew-proof additive, palatability additive and colorant, wherein the palatability additive comprises beer yeast, taurine, tea polyphenol and inositol, and the colorant is astaxanthin concentrate and lemon flavin or astaxanthin concentrate and indigo.
A further preferred technical solution is that the palatability additive comprises the following components by weight: 11-15 parts of beer yeast, 1-7 parts of taurine, 0.5-1.5 parts of tea polyphenol and 1-3 parts of inositol.
A further preferred technical solution consists in that the palatability additive is prepared in the following steps in sequence:
s1, adding purified water into a stirring kettle, heating to 35-40 ℃, preserving heat for 2-5min, then adding taurine, tea polyphenol and inositol, and stirring at a speed of 100-120r/min for 10-15min to obtain an additive base material;
s2, heating the additive base material at a speed of 1.5-2.5 ℃/min, heating to 45-48 ℃, adding the beer yeast, and fully stirring and mixing to obtain an additive liquid material;
s3, heating the additive liquid material to remove water, wherein the heating temperature is 75-85 ℃ until the water content is lower than 15%, and obtaining additive emulsion;
s4, performing ultraviolet sterilization operation on the additive emulsion, wherein the ultraviolet wavelength range is 200-250nm, the sterilization time is 15-18min, and then performing secondary heating dehydration operation until the water content is lower than 5%, so as to obtain a final palatability additive finished product.
The further preferable technical scheme is as follows: the weight of astaxanthin in the astaxanthin concentrate accounts for 3.5-5.0% of the total weight of the colorant.
The further preferable technical scheme is as follows: the grain size of the feed is 3.0-5.0mm.
The utility model provides a dedicated equipment for production of popped pellet feed of mandarin fish, includes the stirred tank, and sets up inlet pipe on the stirred tank, still includes annular filter frame, sets up annular filter frame lower extreme annular face is last to be used for the butt joint the installation annular of inlet pipe sets up annular filter frame upper extreme annular face is last to be last to set up annular filter frame upper extreme annular face is last to be used for the clamp fastening circular filter screen's main fixed semi-ring, and set up annular filter frame upper extreme annular face on and with main fixed semi-ring both ends terminal surface is connected and is used for through opening the mode of taking down the auxiliary fixation of operation is carried out to the piece molding fish meal that intercepts on the circular filter screen.
The further preferable technical scheme is as follows: the circular filter screen lower extreme bonds to be fixed on the annular face of annular filter frame upper end, all be equipped with on the terminal surface under main fixed semi-ring and the auxiliary fixed semi-ring and be used for compressing tightly fixedly circular filter screen just be the elastic strip of semi-ring, main fixed semi-ring with be equipped with between the annular filter frame through spheroid block ring and then carry out spacing mode in the outside in order to be used for the fixed mounting the block unit of main fixed semi-ring, main fixed semi-ring with be equipped with between the two pairs of terminal surfaces of auxiliary fixed semi-ring and be used for the installation to fix the attraction magnet piece unit of auxiliary fixed semi-ring.
The further preferable technical scheme is as follows: the clamping unit comprises an insertion column arranged on the lower end face of the main fixing semi-ring, an insertion groove arranged on the upper end face of the annular filtering frame, a cylinder ring arranged on the insertion column and with a semicircular section, circular grooves which are arranged on the inner annular face of the insertion groove in pairs and are downward in opening, a spring mounting column arranged on the inner end face of each circular groove, a jacking spring sleeved on the spring mounting column, and a clamping sphere grooved and installed on the outer end of the jacking spring and used for obliquely downwards clamping and jacking the cylinder ring.
The further preferable technical scheme is as follows: the clamping unit further comprises an inner limit circular ring which is arranged on the inner annular surface of the circular channel and is used for limiting and fixing the inner side of the groove of the clamping sphere, an outer limit sphere which is arranged on the inner annular surface of the circular channel, is close to the lower end position and is used for limiting and fixing the outer side of the groove of the clamping sphere, the jacking direction of the jacking spring penetrates through the center of the hemispherical body of the cylinder ring, an included angle a between the jacking direction of the jacking spring and the horizontal direction is 25-65 degrees, and the radius of the inner limit circular ring is larger than that of the outer limit sphere.
The further preferable technical scheme is as follows: the attracting magnet block unit comprises inserting round holes respectively arranged on the end faces of two sides of the main fixing semi-ring, cylindrical permanent magnet blocks respectively arranged on the end faces of two sides of the auxiliary fixing semi-ring, permanent magnet pieces arranged in the inserting round holes, and elastic protection pieces arranged on the permanent magnet pieces.
According to the invention, the ingestion speed of mandarin fish is improved by adding the palatability additive and the colorant into the feed composition, the effect of low feed waste rate is achieved, and the effective interception and removal effects on the flaked and mildewed fish meal are ensured by arranging the annular filter frame, the mounting ring groove, the circular filter screen, the main retainer half ring and the auxiliary retainer half ring on the feed pipe of the stirring kettle. The invention has the advantages of reasonable and effective component proportion, good palatability, bright color, convenient mandarin fish discovery and ingestion, difficult waste of final feed and low feed coefficient, and the stirring kettle has the advantages of reasonable and effective filtering interception structure for the flaked and mildewed fish meal, simple and quick filtering mode, convenient removal and cleaning of the mildewed fish meal, high self stability of the filtering interception structure, convenient disassembly and maintenance and convenient filter screen replacement.
Drawings
FIG. 1 is a schematic view of the position structure of an annular filter frame in the present invention.
Fig. 2 is a schematic view of the position structure of a circular filter screen in the present invention.
FIG. 3 is a schematic view of the location of the elastic strip and the insertion column according to the present invention.
Fig. 4 is a schematic view of a position structure of the engaging unit in the present invention.
Fig. 5 is a schematic view showing the position structure of the attracting magnet block unit in the present invention.
Detailed Description
The following description is of the preferred embodiments of the invention and is not intended to limit the scope of the invention.
Examples: as shown in figures 1, 2, 3, 4 and 5, the special expanded pellet feed for mandarin fish comprises fish meal, bonding flour, vitamin additive, mineral additive, mildew-proof additive, palatability additive and coloring agent, wherein the palatability additive comprises beer yeast, taurine, tea polyphenol and inositol, and the coloring agent is astaxanthin concentrate and lemon flavin, or astaxanthin concentrate and indigo.
In this embodiment, the brewer's yeast, taurine, tea polyphenol and inositol are used for integrally improving the flavor of the feed and covering part of the peculiar smell in the original ingredients of the feed, so that the palatability is improved, and the water cannot be settled to the bottom and dissolved and wasted as long as the feed can be eaten quickly, so that the relative vividness of the feed particles is improved by combining any one of the astaxanthin concentrate, the lemon flavin or the indigo blue, and the feed ingestion speed can be further improved by the fish.
11-15 parts of beer yeast, 1-7 parts of taurine, 0.5-1.5 parts of tea polyphenol and 1-3 parts of inositol.
The palatability additive is prepared by the following steps in sequence:
s1, adding purified water into a stirring kettle, heating to 35-40 ℃, preserving heat for 2-5min, then adding taurine, tea polyphenol and inositol, and stirring at a speed of 100-120r/min for 10-15min to obtain an additive base material;
s2, heating the additive base material at a speed of 1.5-2.5 ℃/min, heating to 45-48 ℃, adding the beer yeast, and fully stirring and mixing to obtain an additive liquid material;
s3, heating the additive liquid material to remove water, wherein the heating temperature is 75-85 ℃ until the water content is lower than 15%, and obtaining additive emulsion;
s4, performing ultraviolet sterilization operation on the additive emulsion, wherein the ultraviolet wavelength range is 200-250nm, the sterilization time is 15-18min, and then performing secondary heating dehydration operation until the water content is lower than 5%, so as to obtain a final palatability additive finished product.
In this embodiment, the taurine, tea polyphenol and inositol are less resistant to high temperature than the brewer's yeast, so that the additive is added prior to the brewer's yeast and at 35-40 ℃ environmental conditions, so that the stability of the palatability additive in the mixing preparation process can be ensured, the additive is heated and dehydrated in two times before and after the distribution, the shape of the palatability additive can be further solidified, the effective addition in the feed material composition is ensured, and the ultraviolet sterilization operation can avoid the pollution of harmful microorganisms in the brewer's yeast to the feed.
In addition, the addition of inositol can greatly improve the freshness of feed particles, mask the peculiar smell of other components, and ensure that mandarin fish likes to ingest.
The weight of astaxanthin in the astaxanthin concentrate accounts for 3.5-5.0% of the total weight of the colorant. The grain size of the feed is 3.0-5.0mm.
In this embodiment, the astaxanthin concentrate imparts a relatively darker ground color to the feed pellet, while the lemon flavin or indigo can ultimately lighten and enhance color, so that the mandarin fish can quickly find the feed, further improving the ingestion rate.
The utility model provides a dedicated equipment for production of popped pellet feed of mandarin fish, includes stirred tank 11, and sets up inlet pipe 12 on stirred tank 11 still includes annular filter frame 1, sets up on annular filter frame 1 lower extreme annular face is used for the butt joint inlet pipe 12's installation annular 2, set up annular filter frame 1 upper extreme annular face is last circular filter screen 3, set up on annular filter frame 1 upper extreme annular face and be used for the clamp fastening circular filter screen 3's main fixed semi-ring 4, and set up annular filter frame 1 upper extreme annular face and with main fixed semi-ring 4 both ends terminal surface is connected and is used for in through opening the mode of taking off circular filter screen 3 is last the auxiliary fixed semi-ring 5 of the operation of unloading of the piece molding fish meal of interception.
In this embodiment, the mesh aperture of the circular filter screen 3 is 1-5mm, and the circular filter screen is self-bonded and fixed on the upper annular surface of the annular filter frame 1, and the main retainer half ring 4 and the auxiliary retainer half ring 5 are pressed to ensure the basic interception and filtration effects, and can also support a certain amount of sheet molding fish meal to be removed in a concentrated manner.
The main fixing semi-ring 4 is connected with the annular filtering frame 1, so as to achieve the main fixing effect of the circular filtering net 3, the auxiliary fixing semi-ring 5 is only connected with the main fixing semi-ring 4, the circular filtering net 3 is an auxiliary fixing effect, and the auxiliary fixing semi-ring 5 is required to be detached when intercepting and filtering a proper amount of piece-shaped mildewed fish meal, so that the piece-shaped mildewed fish meal is conveniently removed, the whole filtering structure of the piece-shaped mildewed fish meal is ensured to have the advantage of conveniently removing unqualified fish meal, and the whole annular filtering frame 1 is not required to be removed from the feeding pipe 12, so that the advantage of rapidness and high efficiency is ensured.
The lower extreme bond of circular filter screen 3 is fixed on the annular face of annular filter frame 1 upper end, all be equipped with on the terminal surface under main fixed semi-ring 4 and the auxiliary fixation semi-ring 5 and be used for compressing tightly fixedly circular filter screen 3 just be semi-annular elastic strip 6, main fixed semi-ring 4 with be equipped with between the annular filter frame 1 through spheroid block ring and then carry out spacing mode in the outside in order to be used for the fixed mounting main fixed semi-ring 4's block unit 7, main fixed semi-ring 4 with be equipped with between the two pairs of terminal surfaces of auxiliary fixation semi-ring 5 be used for the installation to fix auxiliary fixation semi-ring 5's attraction magnet piece unit 8.
In this embodiment, the two elastic strips 6 are pressed on the round filter screen 3 which is originally and primarily bonded, so as to ensure the installation stability thereof, and can support a certain amount of fish meal, and the connection strength of the clamping unit 7 is greater than that of the attracting magnet block unit 8, so as to ensure that the former is mainly used for high-strength connection, and the latter is used for both connection and detachable effect.
The clamping unit 7 comprises an insertion column 701 arranged on the lower end surface of the main fixing half ring 4, an insertion groove 702 arranged on the upper end surface of the annular filter frame 1, a column ring 703 arranged on the insertion column 701 and with a semicircular section, round grooves 704 arranged on the inner annular surface of the insertion groove 702 in pairs and with downward openings, a spring mounting column 705 arranged on the inner end surface of the round grooves 704, a jacking spring 706 sleeved on the spring mounting column 705, and a clamping sphere 709 slotted and installed on the outer end of the jacking spring 706 and used for obliquely downwards clamping and jacking the column ring 703. The clamping unit 7 further comprises an inner limiting ring 707 which is arranged on the inner ring surface of the circular groove 704 and is used for limiting and fixing the inner side of the groove of the clamping ball 709, an outer limiting ball 708 which is arranged on the inner ring surface of the circular groove 704 and is close to the lower end position and is used for limiting and fixing the outer side of the groove of the clamping ball 709, the jacking direction of the jacking spring 706 passes through the center of the hemispherical body of the cylinder ring 703, the included angle a between the jacking spring 706 and the horizontal direction is 25-65 degrees, and the radius of the inner limiting ring 707 is larger than that of the outer limiting ball 708.
In this embodiment, before the insertion column 701 is inserted together with the column ring 703, the engagement ball 709 is partially pushed to the outside of the circular groove 704 by the push-up spring 706, and the engagement ball 709 is subjected to a relatively low-strength limiting action by the outer limiting ball 708 at this time, so long as the engagement ball 709 does not fall.
The second step is that the main retainer half ring 4 is installed, the insertion column 701 is inserted, at this time, the engagement ball 709 is pushed upward and inward integrally in the downward process of the column ring 703, the engagement ball 709 is pushed to the position with the largest amplitude, the inner limit ring 707 performs the limit action with relatively high strength, at this time, even if the column ring 703 is properly enlarged, the problem that the engagement ball 709 is excessively pushed inward does not occur, so that the area between the inner limit ring 707 and the outer limit ball 708 is a safe and effective area where the engagement ball 709 is normally compressed and is not excessively compressed or elongated.
Secondly, the jack-up mode of jack-up spring 706 passes the centre of a circle of cylinder ring 703 forms contained angle a, guarantees to be right the relative laborsaving clamp fixation effect of cylinder ring 703, finally the cylinder ring 703 is fixed firmly in the outside spacing, main retainer ring 4 just can stabilize and compress tightly circular filter screen 3 for originally relative low strength bonding circular filter screen 3 can have both installation stability, and conveniently tear the dual advantage of changing, if main retainer ring 4 and supplementary retainer ring 5 do not set up circular filter screen 3 high strength bonding, then circular filter screen 3 does not possess quick, thoroughly change the function, and this is just the advantage of this embodiment.
The magnet attracting block unit 8 comprises insertion round holes 801 respectively arranged on the end surfaces of the two sides of the main fixing half ring 4, cylindrical permanent magnet blocks 802 respectively arranged on the end surfaces of the two sides of the auxiliary fixing half ring 5, permanent magnet pieces 803 arranged in the insertion round holes 801, and elastic protection pieces 804 arranged on the permanent magnet pieces 803.
In this embodiment, the cylindrical permanent magnet block 802 attracts the permanent magnet piece 803, so as to ensure the alignment fixing effect of the auxiliary fixing half ring 5 on the main fixing half ring 4, and the elastic strip 6 is also fully pressed, so as to ensure the pressing stability of the circular filter screen 3, in addition, the diameter of the insertion circular hole 801 is slightly larger than that of the cylindrical permanent magnet block 802, so that the auxiliary fixing half ring 5 has a height allowance for pressing down the elastic strip 6 when inserted horizontally, and finally, the auxiliary fixing half ring 5 has the dual advantages of enough pressing stability strength when installed, and convenient and quick disassembly when unqualified fish meal is required to be removed after filtration.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various modifications may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention. These are all non-inventive modifications which are intended to be protected by the patent laws within the scope of the appended claims.
Claims (2)
1. Dedicated equipment for producing of popped pellet feed of mandarin fish, equipment for producing includes stirred tank (11) to and set up inlet pipe (12) on stirred tank (11), its characterized in that: the device also comprises an annular filter frame (1), a mounting ring groove (2) arranged on the annular surface of the lower end of the annular filter frame (1) and used for being abutted against the feeding pipe (12), a circular filter screen (3) arranged on the annular surface of the upper end of the annular filter frame (1), a main fixing half ring (4) arranged on the annular surface of the upper end of the annular filter frame (1) and used for clamping and fixing the circular filter screen (3), and an auxiliary fixing half ring (5) arranged on the annular surface of the upper end of the annular filter frame (1) and connected with the end surfaces of the two ends of the main fixing half ring (4) and used for unloading the blocked moldy fish meal on the circular filter screen (3) in an opening and taking-down mode,
the lower end of the circular filter screen (3) is adhered and fixed on the annular surface of the upper end of the annular filter frame (1), elastic strips (6) which are used for compacting and fixing the circular filter screen (3) and are semi-annular are arranged on the lower end surfaces of the main fixing semi-ring (4) and the auxiliary fixing semi-ring (5), a clamping unit (7) which is used for fixedly mounting the main fixing semi-ring (4) in a limiting mode through a sphere clamping annular ring and is further arranged between the main fixing semi-ring (4) and the annular filter frame (1), an attracting magnet block unit (8) which is used for mounting and fixing the auxiliary fixing semi-ring (5) is arranged between two pairs of end surfaces of the main fixing semi-ring (4) and the auxiliary fixing semi-ring (5),
the clamping unit (7) comprises an insertion column (701) arranged on the lower end surface of the main fixing half ring (4), an insertion groove (702) arranged on the upper end surface of the annular filter frame (1), a column body ring (703) which is arranged on the insertion column (701) and is semicircular in section, round grooves (704) which are arranged on the inner annular surface of the insertion groove (702) in pairs and are downward in opening, a spring mounting column (705) arranged on the inner end surface of the round grooves (704), a jacking spring (706) sleeved on the spring mounting column (705), and a clamping sphere (709) which is slotted and is arranged on the outer end of the jacking spring (706) and used for obliquely downwards clamping and jacking the column body ring (703),
the clamping unit (7) further comprises an inner limiting ring (707) which is arranged on the inner annular surface of the circular groove (704) and is used for limiting and fixing the inner side of the groove of the clamping ball (709), an outer limiting ball (708) which is arranged on the inner annular surface of the circular groove (704) and is close to the lower end position and is used for limiting and fixing the outer side of the groove of the clamping ball (709), the jacking direction of the jacking spring (706) passes through the center of the hemispherical body of the cylinder ring (703), the included angle a between the jacking direction and the horizontal direction is 25-65 degrees, and the radius of the inner limiting ring (707) is larger than that of the outer limiting ball (708).
2. The production equipment of the special expanded pellet feed for mandarin fish, as claimed in claim 1, wherein: the attracting magnet block unit (8) comprises insertion round holes (801) respectively arranged on two side end faces of the main fixing half ring (4), cylindrical permanent magnet blocks (802) respectively arranged on two side end faces of the auxiliary fixing half ring (5), permanent magnet sheets (803) arranged in the insertion round holes (801), and elastic protection sheets (804) arranged on the permanent magnet sheets (803).
Priority Applications (1)
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| CN201911405526.7A CN111011591B (en) | 2019-12-31 | 2019-12-31 | Special puffing pellet feed for mandarin fish and production equipment thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911405526.7A CN111011591B (en) | 2019-12-31 | 2019-12-31 | Special puffing pellet feed for mandarin fish and production equipment thereof |
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| Publication Number | Publication Date |
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| CN111011591A CN111011591A (en) | 2020-04-17 |
| CN111011591B true CN111011591B (en) | 2023-08-11 |
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