TWI542284B - Granule containing livestock's blood and sheel as additives for fish feed or formula feed and manufacturing method of it - Google Patents

Description

Organic fish coated with animal blood and shells Porous porous particle and method of producing the same

The present invention relates to a fish-feeding or compound-feeding aid granule and a method for producing the same, and particularly to a method for producing an organic coated porous granule for use in a fish feed for livestock blood and a shell or for compound feed.

It is well known that clay minerals are small particle minerals with a particle size of 0.002 mm or less, and a surface area of 1 g of fine particles is developed, which is equivalent to the area of a volleyball court. Bentonite, which contains minerals, can expand 5-20 times in the ruminant stomach and contains minerals needed for microbial growth, delaying the rate of feed passage based on swelling, which helps to improve digestibility and absorption rate. In particular, it has excellent adhesion and has an effect of improving hardness when producing pelletized feed.

Zeolite also has excellent cationic substitution effect (CFC, Cation Exchange Capacity) as well as bentonite, and functions as a buffer for improving feed efficiency, preventing soft stools, adsorbing, and eliminating intestinal toxin effects.

Zeolites are generally used as binders in the manufacturing of compound feeds. As mentioned above, a number of techniques have been developed for using clay minerals as feed ingredients for livestock.

In particular, Macsumsuk in a known clay mineral emits far infrared rays in a wavelength range beneficial to a living body, and has a function of adsorbing and depositing inorganic substances based on porosity, regulating water quality, and increasing the amount of dissolved oxygen in water.

Applicants of the present invention utilize the beneficial functions of these amethysts at home In the feed of the animal, the Korean patent "granular type amethyst feed additive and its production method" is applied and approved (Korea Registration Patent Publication No. 10-0573811, Patent Document 1).

In the technique disclosed in the above Patent Document 1, the amphibole and water are mixed to obtain a slurry in which calcium carbonate is mixed and then fed to a pelletizer, followed by production of pellets by a sintering technique.

However, in the forming and sintering step, the particles in the inside of the particles are oozing out to the outside of the particles in a short time due to the high temperature. As shown in Fig. 1, the grooves are formed in a ring shape on one side.

In general, the use of such a grooved annular shape for livestock feed does not cause any problem. On the contrary, as described in Patent Document 1, an appropriate carrier action is exerted on the cultured microorganism to provide a high-quality feed.

However, when the structure is put into the water, if the inside of the tank is filled with water, the load of the water will sink in a short time. It is therefore suitable for use as an impregnated feed and is not suitable for use as a shape for an expanded feed.

In particular, the conventional inorganic fish feed additive using natural minerals is in a form of blending with fish feed after the pulverization technique, and thus the particle size is different in form and size, and the material has no floatation, fluidity, precipitation, etc. Disadvantages.

Therefore, there is a need to develop a technique suitable for use as an expanded feed, which has an excellent effect of using amethyst as in Patent Document 1 and maintains a floating state for a predetermined period of time in water.

On the other hand, "Development method of fertilization of agricultural and livestock products and antibiotic-free feed using iron powder of livestock blood" (Korean Patent Publication No. 10-2008-0040296, Patent Document 2) discloses sterilization and processing of livestock blood A technique used in the manufacture of a fertilizer or feed for the production of agricultural and livestock products by treating and mixing organic and inorganic substances and microbial preparations.

Patent Document 2 discloses a technique in which blood and other additive materials are mixed and homogenized, and then subjected to microparticulation extrusion molding.

Thus, a technique for reusing blood which is useful for growing livestock as a raw material for feed has been disclosed, but a technique of extrusion molding by mixing with organic matter and inorganic matter is disclosed.

Conventional technical literature

Patent literature

(Patent Document 1) KR 10-0573811 (April 18, 2006)

(Patent Document 2) KR 10-2008-0040296 (May 08, 2008)

The present invention has been made to solve the problems caused by the above-mentioned conventional techniques, and provides the following fish feed or compound feed-assisted particles, and contains inorganic materials such as amethyst and zeolite which are suitable for use in feed, and By using blood (released blood) of livestock, an organic coating layer containing protein as a main component is formed on the surface of the particles, and the time of water permeation into the pores inside the particles containing the inorganic substance as a main component is delayed, whereby the floatation property is excellent.

More specifically, by containing zeolite, bentonite, and shell, the inside of the granular layer contains the nutrients and mineral components required for fish culture, and the far infrared rays generated by the amethyst are used to adsorb and remove foreign matter and malodorous substances, thereby improving When the sashimi is cultured and the granules are sprayed from a high-temperature granule machine and dried, the water of the main component of the livestock blood mixed with the above materials moves outward, and the organic matter such as protein and fat contained together with the moisture It also moves to the outside of the particle layer together with moisture and dries to form an organic coating layer surrounding the particle layer. The inner particle layer forms a plurality of pores, and the external organic coating layer prevents moisture penetration by the fat component contained therein. Advance to the interior of the particle layer, thereby increasing the floatability of the manufactured particles.

In order to solve the above problems, the method for producing the fish-coated feed or the mixed feed-assisted organic coated porous particles using the livestock blood and shells of the present invention comprises: the first mixing step, and the zeolite ore powder is at a temperature of 400 to 950 ° C. 100 parts by weight of heating, preparing the amphibole ore powder at a temperature of 800 to 1100 ° C, preparing 40 to 60 parts by weight based on 100 parts by weight of the above amethyst, and heating the shell powder at a temperature of 850 to 950 ° C to Preparing 0.5 to 1.1 parts by weight based on 100 parts by weight of amethyst, preparing 12 to 60 parts by weight of bentonite based on 100 parts by weight of methacryl, and mixing to prepare a powder mixture; and second mixing step, preparing blood discharged from livestock Thereafter, mixing and pulverizing with the above powder mixture at a weight ratio of 1:0.2 to 2.0 to produce a fluid colloidal slurry; and forming step of applying the fluid colloidal slurry produced in the second mixing step to 7.0 The injection pressure of 13.0 kg/cm ² was sprayed through a nozzle to a pellet machine having an internal temperature of 180 to 400 ° C to produce pellets, and the pellets were formed to have an average particle diameter of 0.1 to 3 mm and formed. In the porous particle layer, an organic coating layer for surrounding the particle layer is formed on the outer side of the particles; and a cooling step is performed to cool the formed particles.

In this case, the present invention is characterized in that one or three kinds selected from the group consisting of a dispersing agent, a pH adjusting agent, and an antifoaming agent are added before the forming step.

Further, the present invention is characterized in that the fluid colloidal slurry produced in the second mixing step is in a state of a concentration of 30 to 50% by weight, a pH of 7.0 to 9.5, and a viscosity of 300 to 1550 cps.

And comprising: a first mixing step of preparing a plurality of clay minerals including zeolite and methyst, respectively pulverizing, sintering and mixing to produce a powder mixture; and a second mixing step of preparing blood discharged from the livestock, and the powder Mixing and pulverizing the mixture to produce a fluid colloidal slurry; forming step of spraying the fluid colloidal slurry produced in the second mixing step at a high pressure to a pelletizer having an internal temperature of 180 to 400 ° C to produce pellets A porous particle layer is formed inside the particle, an organic coating layer for surrounding the particle layer is formed on the outer side of the particle, and a cooling step is performed to cool the formed particle.

Further, the present invention is characterized in that the particles of the present invention are produced by the above-described production method, the particles comprising: a granular layer comprising zeolite, methyst, shell, bentonite, and having a porous; an organic coating layer for surrounding the above The outside of the granular layer contains proteins remaining after evaporation of water in the blood. The density of the particles is 7.0 to 1.22 g/cm ² , the specific surface area is 25 to 65 m ² /g, and the porosity is 47 to 62%.

According to the present invention, there is provided a fish-feeding or compound feed-assisted granule comprising an inorganic substance suitable for use in a feed, such as mixed amethyst, zeolite, and using livestock blood (released blood) to form a protein on the surface of the granule The organic coating layer which is a main component delays the time of water permeation into the pores inside the particles which are mainly composed of an inorganic substance, thereby making the floating property excellent.

More specifically, by including zeolite, bentonite, and shell, the inside of the granular layer contains nutrients and mineral components required for fish culture, and the far infrared rays generated by the amethyst are used to adsorb and remove foreign matter and malodorous substances, thereby improving culture. Raw fish When the granules are sprayed from the granules of a high temperature and are dried, the moisture of the main components of the blood of the livestock mixed with the above materials moves outward, and the organic substances such as proteins and fats contained together with the moisture of the blood are also The moisture moves together to the outside of the particle layer and is dried to form an organic coating layer surrounding the particle layer, the inner particle layer forms a plurality of pores, and the outer organic coating layer prevents moisture from flowing to the particle layer through the fat component contained therein. Internal penetration, thereby increasing the floatability of the manufactured particles. Also, particles containing a plurality of pores are provided to provide a good fish culture environment by increasing the dissolved oxygen content.

Fig. 1 is a micrograph showing a conventional livestock feed using amethyst; Fig. 2 is a composition analysis table of zeolite as a raw material of the present invention; and Fig. 3 is a view showing a far surface of amethyst as a raw material of the present invention. a graph of infrared radiation amount; FIG. 4 is a table and a graph showing experimental results of far-infrared spectral distribution of amethyst; and FIG. 5 is a composition analysis table of sintered abalone shell as a raw material of the present invention; A micrograph of the particles produced according to the present invention; Fig. 7 is a micrograph of the cut state of the particles produced according to the present invention; and Fig. 8 is an analysis report of the particles of the present invention.

The constituent materials used in the present invention will be described before the method for producing the fish-coated feed or the feed-assisted organic-coated porous particles using livestock blood and shells according to the present invention.

As shown in Fig. 2, the zeolite contains a large amount of minerals such as minerals, calcium, phosphorus, manganese, zinc, and copper, and is expected to promote the growth of fish, improve meat quality, and enhance the resistance to diseases. The amethyst consists of the composition shown in the following list 1, which is a rock belonging to quartz porphyry in igneous rocks, characterized in that it is weathered and brittle as a whole, and especially white feldspar is often kaolinized. , The biotite is also almost oxidized and dispersed in the form of iron oxide. The above amethyst stone is characterized in that it contains a large amount of hornblende and contains a large amount of zircon, so that a line exists and has a function of providing a good influence on living things.

The above-mentioned amethyst produces a wavelength in the range of 8 to 14 μm, which is far infrared ray of the wavelength band most beneficial to the living body. The far-infrared rays in this wavelength band activate the living cells and promote the metabolism of fish. In view of the problem that the emissivity of the far-infrared rays generated by the micronization (1 to 6 μm) of the amethyst is higher than the rate of the far-infrared rays generated by the amphibole in the rock state, the present invention is characterized in that the amethyst is powdered, In particular, it is powdered after sintering, and then mixed and processed with other raw materials to produce pellets, which are used for loading and fixing pairs. A nutrient and mineral carrier for fish farming.

The role of amethyst is to exhibit the function of adsorption based on porosity, precipitation of inorganic substances, regulation of water quality, and increase of dissolved oxygen in water.

A graph showing the amount of far-infrared radiation of the above amethyst is shown in Fig. 3. The unit of the amount of radiation in Fig. 3 is W/m ² ‧ μm based on the measurement at a temperature of 70 ° C. It can be confirmed that it exhibits a high far-infrared radiation amount similar to that of the black body. The graph of Fig. 3 is the result measured in the Korea Institute of Far Infrared Application Evaluation.

Moreover, Fig. 4 is an experimental result of the far-infrared spectral distribution measured in the Korea Institute of Standards and Technology, and shows the spectral distribution of the amphibole powder at 180 ° C in an environment of a temperature of 23 ± 1 ° C and a relative humidity of 50%. .

The shell of the shell of the shellfish is made of a shell such as abalone or oyster, and is sintered at the above temperature to maximize the carbonization and removal of the foreign matter.

Fig. 5 shows the result of entrusting the prepared abalone shell to the Institute of Agricultural Science and Technology of Chungnam University for component analysis. The shell contains coarse ash, calcium, magnesium, and the like.

Bentonite contains minerals needed for fish growth, and delays the rate of feed through the expansion, which helps to increase digestibility and absorption.

In particular, due to excellent adhesion, when granulated feed is produced, an effect of increasing strength is produced.

The substance constituting the blood of the livestock is composed of the formed blood cells and the non-formed plasma, and 90% of the serum contained in the plasma is composed of water, and about 9% is composed of serum protein, and further contains sugar, fat, and the like. When these livestock blood is exposed to a high temperature environment, their water is evaporated and protein is the main component.

Hereinafter, a method for producing the organic coated porous particles for the fish feed or the feed-assisted feed using the livestock blood and the shell of the present invention will be described.

However, the following embodiments of the present invention are provided to enable those skilled in the art to fully understand the present invention, which can be varied in various other forms without limiting the scope of the present invention.

The method for producing a fish-fed feed or compound feed-assisted organic-coated porous particles using livestock blood and shells according to the present invention generally includes a first mixing step, a second mixing step, a forming step, and a cooling step.

1.1 first mixing step

The zeolite ore powder (particles) was sintered (heated) at a temperature of 400 to 950 ° C to prepare 100 parts by weight.

The amethyst ore powder is heated at a temperature of 800 to 1100 ° C, and 40 to 60 parts by weight based on 100 parts by weight of the above amethyst.

In Patent Document 1, a methystite is mixed with water to prepare a slurry, and then processed. However, the present invention is characterized in that, in the state in which the amethyst is sintered and powdered, it is mixed with other materials, and the water contained in the blood of the livestock is used for slurrying without using additional water. The shell powder is heated at a temperature of 850 to 950 ° C, and 0.5 to 1.1 parts by weight based on 100 parts by weight of the amethyst.

The bentonite is prepared in an amount of 12 to 60 parts by weight based on 100 parts by weight of the amethyst.

The prepared raw materials are then mixed to produce a powder mixture.

The optimum mixing of the powder mixture at this time is preferably as follows: zeolite, methacryl, shell, bentonite each accounted for 60% by weight, 30% by weight, 0.5% by weight, and 9.5 % by weight based on the weight percent of the entire powder mixture.

Further, in the first mixing step, each raw material may be pulverized, mixed, or mixed and then pulverized.

2.2 second mixing step

After the livestock blood (released blood) is prepared, the powder mixture is mixed and pulverized in a weight ratio of 1:0.2 to 2.0 to produce a fluid gel slurry.

At this time, the optimum mixing ratio of the livestock blood and the above powder mixture was a weight ratio of 1:1. The reason is that when the weight of most of the blood composed of moisture is too large, the slurry described later is thinned, and a strong bond cannot be formed between the powder mixture particles, resulting in a small pore size, and as the gas which is exuded increases, the particle The volume becomes smaller, and there is a problem that the entire pore area is relatively reduced. When the blood is too small, the pores cannot be formed smoothly.

In the case of pulverization, it is preferably pulverized by a wet fine pulverizer, a ball mill or the like for 10 to 600 minutes.

Livestock blood (released blood), currently part of Korean cattle blood It is used as a foodstuff, and only a part is used, and the pig blood (pig blood) is produced into blood powder particles by screening, refrigerating, sterilizing, drying, crushing, etc., and is mixed with sawdust or the like, and then sold as agricultural fertilizer or the like.

At this time, the blood (released blood) of the mixed livestock is formed by a pulverization step or a filtration step, and the size thereof is preferably about 0.1 to 40 μm.

The mixing step varies depending on the stirring speed, but it is preferably at least 30 minutes at a low speed stirring, and the time can be shortened at a high speed stirring.

Further, the produced fluid colloidal slurry is sufficiently aged after being mixed, stirred, and pulverized, and the forming step is preferably carried out after filtering the foreign matter with a sieve and removing the foreign matter.

These livestock blood (released blood) is ejected from the nozzle at a high pressure to the inside of the high-temperature pelletizer in the forming step, and moves to the outside of the pellet layer by evaporation of moisture to form an organic coating layer.

At this time, it is limited to the above-mentioned size range because when the nozzle is sprayed from the nozzle and instantaneously contacts the high-temperature environment in the forming step, the gap between the powder mixtures is moved to the outside of the particle layer, but when the size is too large, the movement can be restricted.

Further, when it is formed in an excessively small size, after moving to the outside of the particle layer, since there is no strong connection relationship with each other, the water permeation rate of the outside is accelerated during use, and the floating duration can be shortened.

Further, the blood of the livestock (the released blood) is mixed with the solid powder mixture to form a fluidity and viscous colloidal slurry, which has a state in which the powder mixture particles are adhered to each other, and is sprayed to a high temperature in the forming step. In the interior of the pellet machine, adjacent powder mixture particles stick to each other, minimizing the pressure-relieving portion for evaporating moisture, increasing the evaporation pressure of moisture, thereby making it easier to form an organic coating layer and evaporating with water. At the same time, when the pores generated inside are swelled due to the heat inside the pellet machine, it is prevented from oozing out in a small pore unit, so that it expands into a large size inside the particle layer, so that the unit particles of the produced particles are bulky and made The planktonicity is improved.

In the second mixing step, the plurality of powder mixtures form aggregates based on the self-cohesive force and proteins of livestock blood, and are not smoothly dispersed according to the electrostatic force of the plurality of particles, and are easily present as aggregates.

If it is not possible to disperse smoothly, the shape of the formed particles may be inferior in quality such as wrinkles or bending, and workability and stability may be lowered.

In order to prevent the above phenomenon, the dispersing agent has a function of adjusting the pH of the slurry, adjusting the charge of the particles, and adjusting the dispersion and aggregation, and can produce suitable particles.

The dispersing agent is an anionic dispersing agent for the polymer inorganic salt, the anaerobic polycarboxylate dispersing agent is ash-free, and the pH of the slurry is about 6.0 to 10.0, which has excellent dispersibility and is suitable for producing 30 to 60% by weight. High concentration slurry.

More preferably, the dispersant is used in an amount of from 0.5 to 4% by weight, preferably from about 1.5 to about 3% by weight, based on the weight of the solids of the finished pellet.

Further, in order to increase the viscosity of the fluid gel slurry, a pH adjuster formed of any one selected from an acid or a base may be added.

An initial fluid gelatin slurry obtained by mixing a powder mixture and livestock blood, having a pH of about 7.0 to 9.5, leaving the slurry for more than 1 hour, the slurry sinks, and then solidifies after being left to be re-stirred. Or smash.

The addition of an acid or a base during the pulverization or mixing step prevents aggregation and solidification.

Nitric acid or the like can be used as the acid and the base. In this case, after the acid and the base are added, it is preferably stirred for 30 minutes or more after stabilization for further stabilization.

The addition of the acid and the base may be carried out in the first mixing step and the second mixing step, but in order to prevent solidification or agglomeration in the mixing step of the raw material, it is preferably added at the initial stage of the mixing of the raw materials, particularly before the use of the dispersing agent. good.

Further, the generation of air bubbles in the forming step not only hinders the molding but also adversely affects the quality.

Especially in the case of using a dispersing agent, many foams are generated, and the removal and suppression of the bubbles are also important, and an antifoaming agent can be added for this purpose.

The basic function of the defoamer is to reduce the surface tension of the bubbles and to collect fine bubbles to form large bubbles that are easy to float, remove them from the surface of the slurry, and reduce the surface viscosity of the bubbles, thereby preventing the mixing of air. Become a bubble.

As the antifoaming agent, a solution type and an emulsion type can be used, and a ketone ketone or an anthrone or the like can be used.

The pulverization and dispersion efficiency can be improved before the dispersant is introduced, or before the mixing and stirring, or when the defoaming agent is added during the stirring step.

On the other hand, an organic additive can also be added.

The organic additive is applied to the zeolite particles to produce a lubricating oil upon spray drying, thereby providing fluidity and maintaining the strength of the particles.

The viscosity and strength of the aqueous solution vary depending on the type and amount of the organic additive. Therefore, the binder should be selected in consideration of the composition of the amethyst and the molding method.

The organic additive affects the strength of the granules, and the use of a low-strength organic additive makes the granules easily deformable, and has the disadvantage of being attached to a container or the like during the treatment.

The fluid colloidal slurry produced according to the above technique is preferably in a state of having a concentration of 30 to 50% by weight, a pH of 7.0 to 9.5, and a viscosity of 300 to 1550 cps with the addition of water, an acid or a base, a dispersing agent, or the like, and adding organic In the state of the additive and the antifoaming agent, it is preferably in a state of a concentration of 35 to 45 wt%, a pH of 7.0 to 9.5, and a viscosity of 350 to 1350 cps.

3. Forming step

The flowable colloidal slurry produced in the second mixing step is sprayed to a pelletizer having an internal temperature of 180 to 400 ° C by an injection pressure of 7.0 to 13.0 kg/cm ² through a pressurized nozzle to produce an average particle diameter of 0.1. ~3mm particles.

The factors affecting the shape, particle size and distribution of the particle particles, and the structure of the particles are the concentration and viscosity of the slurry, the degree of dispersion, the injection pressure and amount of the slurry, the drying capacity and temperature of the spray dryer, and the like. These variables may vary depending on the structure of the spray dryer and the nozzle configuration.

As an example, in the case of the size of the drying tub, the height is 10 m and the diameter is 4 m, and the pelletizer consisting of a spray dryer which is dried by liquefied petroleum gas (LPG) is designed as follows: a pressurized nozzle provided at the upper portion is used. Spray drying in a cocurrent flow, spray drying in a convection manner using a pressurizing nozzle provided at the lower portion, in order to produce particles having a diameter of about 0.1 to 3.0 mm in a spray dryer, and in order to increase the ejection from the inside of the dryer The residence time of a plurality of particles was convectively sprayed using a pressurized nozzle (within 0.3 to 0.8 mm) in the lower portion of the spray dryer. The operating conditions of a typical spray dryer may include: an injection pressure of 7.0 to 13.0 kg/cm ² , a pressure of 0.3 to 0.8 mm in the nozzle, a spray dryer internal temperature of 180 to 400 ° C, and a spray dryer outlet temperature of 80 to 160 ° C.

As an operating example of the pellet machine, the first ignition adjusted the pressure of the liquefied petroleum gas in the furnace to 0.1 kg/hr, and the temperature reached 300 ° C in 30 minutes. After 1 hour, the gas pressure was adjusted to 0.125 kg/hr, and the temperature was brought to 500 ° C in 30 minutes. If it reaches 500 ° C, then adjust the gas pressure to 0.15 kg / hr, after the temperature reaches 800 ° C in 1 hour and 30 minutes, ignite the burner of the hot stove to raise the temperature for 2 hours, so that the internal temperature of the furnace reaches 800 ° C, if When it reaches 800 °C, the blower is operated to move the heat to the inside of the cyclone. When the internal temperature is 500 °C, the nozzle is placed at the lower end of the cyclone, and the pulverized into a fine fluid colloidal slurry is sent to the upper point at a pump pressure of 40 kgf/cm ² . .

At this time, the slurry was in a state of adjustment of a concentration of 30 ± 5 wt%, a viscosity of 500 ± 200 cps, and a size of 0.2 mm or less.

The irradiated colloidal slurry forms a vortex and falls according to the hot air flowing in from the upper side of the cyclone, and evaporates the moisture contained in the raw material according to the internal heat of 180 to 400 ° C, thereby obtaining particles having pores and having a size of 0.1 to 3.0 mm.

During this process, the moisture contained in the fluid colloidal slurry is rapidly vaporized internally, at which time a layer of particles is formed inside, and an organic coating layer is formed externally, and the bubble is expanded according to evaporation of water and expansion of temperature inside the particle layer. A porous structure as shown in Fig. 7 is formed.

These techniques are to spray a fluid colloidal slurry with an instantaneous high pressure inside a high-temperature pelletizer, evaporate the livestock blood (released blood) as internal moisture, and first move to the outside while being exuded while forming pores inside. This forms a porous layer of particles.

At this time, the organic component such as protein and fat contained in the blood of the livestock (the released blood) moves outward along the instantaneously moving moisture, and surrounds the granular layer to form an organic coating layer such as a protective film or the like, and the organic coating layer has A generally elliptical or circular cross-sectional shape.

4. Cooling step

The shaped particles described above are cooled.

The cooling can be naturally slow-cooled at a normal temperature, and can be put into a cooling bath or the like for high-speed cooling.

Figure 6 is a 400-fold micrograph of an elliptical or circular cross section of an organic coated porous particle assisted with fish feed or compound feed of the present invention, which is manufactured by the technique described above, having an elliptical or circular cross section, i.e., The shape of a ball or a curved body similar to it.

Fig. 7 is an internal structure in which the particles are cut, and the inner granular layer is formed into a porous material as shown in the figure, and an organic coating layer is formed on the outer side.

Fig. 8 is a result of component analysis of blood powder for removing water from livestock blood and pellets for producing the same according to the invention.

As shown, the granules of the present invention comprise 16.60% crude protein, 0.59% crude fat, and a relatively high iron content per unit weight. Further, after the pellet of the present invention produced by the above-described technique was put into fresh water, the result of measuring the sinking time showed that the floating time was in the range of 60 to 150 seconds, and thus it was found to be suitable for use as an expanded feed.

Further, the density of the organic coated porous particles for the use of livestock blood and shells or the mixed feed assisted organic coated porous particles of the present invention produced according to the above technique is in the range of 0.70 to 1.22 g/cm ² and the specific surface area is 25 to 65 m. ² / g. It has been confirmed that the porosity has a range of 47 to 62%, and a plurality of nanopores having a size of 20 to 200 nm and micropores having a size of 1 to 200 μm are formed in a bulk region.

If the weight per unit volume is minimized as described above, the centrifugal force and gravity generated by the rotation reduce the concentration of the lower portion when mixing in the mixing process performed in the fish feed mixer, and the lower portion can be supplied by the transfer tube. The sinking phenomenon is minimized.

Moreover, in the mixing and supplying process, mixing and supplying can be performed according to the quantitative mixing ratio, and the pores formed in the pellet manufacturing process provide a structure capable of continuously raising the fish feed and can generate a carrier of an appropriate size, thereby improving fish culture. The efficiency of the feed, and increase the growth rate of the fish, the effect of producing high quality meat from the reared fish.

Moreover, the growth of fish culture can be promoted by using amethyst which contains far-infrared rays of an appropriate wavelength which contributes to the growth of fish.

In addition, as a raw material, amethyst, zeolite, bentonite, and shell contain a large amount of minerals and nutrients such as calcium, phosphorus, manganese, zinc, and copper, and livestock blood contains a large amount of protein, thereby enabling uniform and large-scale supply of fish growth promotion. And the nutrients needed for meat quality improvement.

Moreover, such a clay mineral has a malodor removal effect in fish culture, and therefore it is considered that particles formed of a plurality of inorganic minerals remove the malodor of excrement generated in fish culture.

Thus, the granules produced in the present invention are suitable for the growth period of the fish feed, and can be supplied at a ratio of 0.5 to 3%.

Industrial availability

The invention can be used for fish feed or for supplementary feed.

In particular, when used as a fish feed, it can prolong the floating time, so it can be regarded as the most suitable for use as an expanded feed.

Claims (5)

The invention relates to a method for manufacturing organic coated porous particles by using fish feed or shells for fish feed or compound feed, comprising: a first mixing step of heating the zeolite ore powder at a temperature of 400 to 950 ° C to prepare 100 parts by weight. The amethyst ore powder is heated at a temperature of 800 to 1100 ° C, and 40 to 60 parts by weight is prepared based on 100 parts by weight of the above amethyst, and the shell powder is heated at a temperature of 850 to 950 ° C to 100 parts by weight of the amethyst. The base preparation is 0.5 to 1.1 parts by weight, and the bentonite is prepared by mixing 12 to 60 parts by weight based on 100 parts by weight of the amethyst, and mixed to prepare a powder mixture; and the second mixing step, after preparing the blood discharged from the livestock, is mixed with the above powder. Mixing and pulverizing at a weight ratio of 1:0.2 to 2.0 to produce a fluid colloidal slurry; and forming step of applying the fluidized colloidal slurry produced in the second mixing step to 7.0 to 13.0 kg/cm ² The injection pressure is sprayed through a nozzle to a pelletizer having an internal temperature of 180 to 400 ° C to produce pellets, and the pellets are formed with a particle layer having an average particle diameter of 0.1 to 3 mm and forming a porous layer. Particles formed outside of the organic coating layer for surrounding the particle layer; and a cooling step of cooling the granules formed. The method for producing an organic coated porous particle for use in a fish feed for use in livestock blood and a shell or for compound feed according to the first aspect of the invention, wherein the molding step is preceded by a component selected from the group consisting of a dispersant, a pH adjuster, and a consumer One to three kinds of foaming agents. The method for producing an organic coated porous particle for use in a fish feed for use in livestock blood and shells or for compound feed according to the second aspect of the invention, wherein the fluid colloidal slurry produced in the second mixing step It is in a state of a concentration of 30 to 50% by weight, a pH of 7.0 to 9.5, and a viscosity of 300 to 1550 cps. A fish feed or assisted feed aid using livestock blood and shells A method for producing organically coated porous particles, comprising: a first mixing step, preparing a plurality of clay minerals including zeolite, amethyst and bentonite, respectively pulverizing, sintering and mixing to prepare a powder mixture; the second mixing step Preparing the discharged livestock blood, mixing and pulverizing with the powder mixture to produce a fluid colloidal slurry; and forming a step of subjecting the fluid colloidal slurry produced in the second mixing step to a high temperature to an internal temperature of 180 a pellet machine of ~400 ° C sprays to produce particles, a porous particle layer is formed on the inner side of the particles, an organic coating layer for surrounding the particle layer is formed on the outer side of the particles; and a cooling step for forming the above The particles are cooled. An organic coated porous granule for use in a fish feed or a shell for the use of livestock blood and shells, which comprises a fish feed using livestock blood and shells according to any one of claims 1 to 4 Manufactured by or in combination with a feed-assisted method for producing organically coated porous particles, the organically coated porous particles comprising: a layer of particles comprising zeolite, methyst, shell, bentonite, and having a porous material; and an organic coating layer And the protein remaining after the evaporation of the water contained in the blood, the outer layer of the organic coated porous particles having a density of 7.0 to 1.22 g/cm ³ and a specific surface area of 25 to 65 m ² /g, The porosity is 47~62%.