CN214801779U - Device of insect feed is bred to heisui river horsefly of high-efficient separation - Google Patents

Abstract

The application discloses a device for efficiently separating a hermetia illucens breeding material, and belongs to the technical field of hermetia illucens breeding; comprises a tempering and mixing unit, a granulation unit and an insect screening unit which are connected in sequence by a conveyor belt; the conditioning and mixing unit comprises a stirrer, the granulating unit comprises a disc granulator, and the insect material screening unit comprises a roller screening device; the drum screening device is a double-layer drum screen comprising an inner screen and an outer screen, and the screen meshes of the inner screen, the outer screen and the outer screen are respectively obtained by alternately arranging a circular screen mesh and a strip-shaped screen mesh; the device is suitable for large-scale and industrial culture treatment engineering application, can shorten the culture empty material period, improves the efficiency of the whole culture treatment system, can obviously make the black soldier fly larvae and the culture materials have different shapes through granulation treatment, and facilitates subsequent screening operation.

Description

Device of insect feed is bred to heisui river horsefly of high-efficient separation

Technical Field

The application relates to the field of insect breeding technology and environmental protection, in particular to a device for efficiently separating black soldier fly breeding insect feed.

Background

The black soldier fly and the saprophytic soldier fly can take feces of livestock and poultry and domestic garbage to produce high-value animal protein feed, and have the characteristics of rapid propagation, large biomass, wide feeding property, high absorption conversion rate, easy management, low feeding cost, good animal palatability and the like, so that the black soldier fly and mealworm are recycled, and the larva of the black soldier fly and mealworm becomes a famous resource insect with fly maggot, mealworm, barley pest and the like, and is popularized worldwide. In recent years, through continuous maturation of artificial breeding technology, the method is widely applied to treatment of high-moisture-content organic wastes such as kitchen waste, breeding manure, livestock and poultry died of diseases and the like.

In the large-scale breeding production, when the hermetia illucens larvae enter the harvesting stage, the mixture of the larvae, the feces, part of the residual breeding feed and the like in the breeding equipment needs to be separated so as to obtain pure larvae. However, in the actual culture process, the humidity of the mixture of the larva body and the larva excrement is often high due to the factors such as high humidity of the fed organic solid material, environmental temperature and humidity and the like, so that the conventional separation equipment is difficult to sieve, or the problems of poor sieving effect, high impurity rate of sieved substances and the like exist. Therefore, how to separate the hermetia illucens larvae from the breeding materials simply, conveniently and efficiently is a problem to be solved urgently in the industry. The existing screening method is divided into two types of manual screening and mechanical screening, wherein the manual screening usually utilizes the light-shielding and pile-gathering characteristics of mature larvae to scrape and strip the insect sand and residues from the surface layer by layer, the impurity content of the separated larvae can reach 5% -8%, but the separation efficiency is low, and the labor consumption is high; the mechanical screening usually adopts a two-layer laminated screen, but three screening components have impurities mutually, and the impurity content of larva separation can reach 10-20%.

Chinese patent CN 205284675U discloses a screening plant for separating heisui river horsefly larva, and the device utilizes heisui river horsefly larva to bore the life habit in narrow and small space in organic rubbish bottom layer activity and hobby, uses the device of screening of stewing to just can realize the separation of larva and rubbish, does not consume manpower and materials, and is convenient, labour saving and time saving and separate thoroughly. CN 112189629A discloses black soldier fly larva screening plant for handling rubbish from cooking, through negative-pressure air fan suction transition chamber, make the transition chamber be in oxygen boosting state and negative pressure state, thereby force black soldier fly larva to climb into the transition chamber from a plurality of passageways of divider, and the gathering is in air outlet department, can be fast the quick separation of black soldier fly larva and hatching matrix, the separation of black soldier fly larva and hatching matrix is realized to the oxygen concentration through the environment that the control black soldier fly is located simultaneously. However, the basic principle of the device is that the hermetia illucens larvae can be separated by self according to the life habits, and the requirement of efficient and rapid separation in large-scale operation is difficult to adapt. CN 202019639U discloses a heisui river horsefly larva material separator, and the device comprises the different aperture screen cloth of three-layer, utilizes the remaining characteristics different with heisui river horsefly larva size of foodstuff, realizes heisui river horsefly larva and the remaining separation of foodstuff. CN204860634U discloses a black soldier fly larva splitter, the device is through the separation of two screening shaking tables for large granule solid residue, black soldier fly larva and fine debris residue are separated in proper order. CN 209549950U discloses a mechanism for separating hermetia illucens fodder which is convenient to clean, and the principle of the mechanism is similar to that of CN 202019639U equipment. CN 110013957A discloses a heisui river horsefly excrement separating centrifuge, and the device sieves the adult through the sieve of installation in the separation frame, and the separation frame body is installed through vibrating spring and is produced the shake on lifting plate to produce vibration separation to the material on the sieve. The device design that above patent is related has utilized the remaining and the different characteristics of larva size of foodstuff, but the remaining granule size of foodstuff often very inhomogeneous in actual production process, has big or small, especially the remaining granule of foodstuff that is close to with heisui river horsefly larva size, often hardly realizes effective separation to lead to separating unclean.

CN 207786996U discloses a heisui river horsefly and worm excrement screening plant, the device through set up turn the impeller and turn heisui river horsefly and worm excrement mixture softly before the screening, play to spill the problem of worm material and improvement screening rate of accuracy to set up the scum board, the large granule impurity on with the undersize is promoted to the clear cinder notch, avoids the screen cloth to block up. But the device design neglected that the organic material that adopts black soldier fly larva to handle often humidity is big, and factor such as environment humiture causes the humidity of polypide, worm excrement mixture big when the larva is reaped the phase in addition breeding process, consequently it is difficult to break up the high viscous breed worm material of high humidity to rely on the impeller that turns over alone to partly broken up the material because be close to with the larva size, often also difficult clean-up.

CN 210449825U discloses a heisui river horsefly excrement separator, the device includes wiper mechanism and screening mechanism, rinses the beasts and birds excrement and urine, a large amount of pathogen and the dirty thing that heisui river horsefly larva body is adhered through wiper mechanism, then separates heisui river horsefly and bold debris through screening mechanism, has solved the problem that heisui river horsefly excrement is difficult to separate among the prior art, has improved production efficiency. However, the device disclosed by the patent is complex in design, the separated breeding insect sand and the residual material enter the sewage to be difficult to treat, secondary pollution is caused, the moisture content of the separated larvae is high, the device is suitable for making frozen insect products, other products need a drying system for utilization, and extra investment cost is increased.

SUMMERY OF THE UTILITY MODEL

To above-mentioned problem, this application provides a device of insect material is bred to high-efficient separation heisui river horsefly to having solved current manual separation heisui river horsefly larva and foodstuff, waste time and energy, technical problem that work efficiency is low, the technical requirement of the automation is sieved to the insect material to the processing engineering is bred to scale-up, batch production in the better satisfied trade.

The application is realized by the following technical scheme:

a device for efficiently separating a hermetia illucens breeding insect material comprises a conditioning and mixing unit, a granulation unit and an insect material screening unit which are sequentially connected by a conveyor belt;

in the specific implementation, the material conditioning and mixing unit can adopt any conventional mixing equipment, and is vertical or horizontal; a stirring device can be arranged in the equipment, or the mixing bin can perform circular motion (such as 360-degree rotation of mixing equipment) per se, and a mixer is preferred; the granulation unit may use granulation equipment conventional in the art, preferably a disc granulator; the insect material screening unit may use screening equipment conventional in the art, preferably a drum screening device.

Further, in the device for efficiently separating the hermetia illucens breeding material, the drum sieve device is a double-layer drum sieve (which is a conventional device in the field); the screen mesh of the double-layer rotary screen comprises an inner mesh and an outer mesh, the inner mesh is obtained by alternately arranging a first circular screen mesh and a first strip-shaped screen mesh, the diameter of the screen mesh of the first circular screen mesh is not more than 5mm, and the width of the screen mesh of the first strip-shaped screen mesh is not more than 5 mm; the outer net is obtained by second circular screen cloth and the setting in turn of second bar screen cloth, and the sieve mesh diameter of second circular screen cloth is no longer than 3mm, and the sieve mesh width of second bar screen cloth is no longer than 3 mm.

Further, in the device for efficiently separating the hermetia illucens breeding material, the top of the inner net and the top of the outer net of the roller screening device are both provided with the cleaning brushes along the axial direction of the rollers; from the center shaft to the outer screen of the screening device, a cleaning brush is designed on the outer side of the top of the first layer of screen (namely between the first layer of screen and the second layer of screen) along the shaft direction, so that the situation that the screen holes are blocked due to smaller particle size after granulation of a small part of high-humidity material is avoided; and the outside of the top of the second layer of screen mesh is provided with a cleaning brush, so that the problem that the screen mesh is blocked by the head and the tail of part of mature larvae inserted into the screen mesh in the screening process can be avoided, the screening efficiency is greatly improved, and the impurity content of each screened material is reduced.

In the existing black soldier fly breeding, after the larvae take the food excrement and the kitchen waste, solid residues of the larvae are mainly breeding residual materials and insect sand, wherein the breeding residual materials are mainly breeding materials which are not completely digested, generally, the moisture content is higher, the particle size is different, the insect sand is mainly the breeding materials which are completely digested, generally, the moisture content is lower, the particles are fine, and the uniformity is better. This application make full use of breeds shape and material characteristic difference between surplus material, ripe larva and the worm sand three, and efficient worm material separator is rationally designed out.

Particularly, this application proposes earlier to utilize disc granulator to breed the surplus material and carry out even granulation for the first time, recycles the equipment that the worm material that the cylinder screening plant was sieved separates. The disc granulator can granulate the remaining breeding materials (with high water content) (the particle diameter is preferably 6-8 mm) and then enter the screening unit, while the mature black soldier fly larvae and the insect sand (with low water content) cannot granulate and directly enter the insect material screening unit; meanwhile, the double-layer screen meshes of the roller screening device are designed in an alternate mode of a round hole screen and a strip screen, so that the material screening effect is greatly improved; the oversize material of the first layer of screen mesh is granules after granulation, and the undersize material is mature larva and dry insect sand with water which is difficult to granulate; and the oversize material of the second layer of the screen is mature hermetia illucens larvae, and the undersize material is dry insect sand. The diameter of the insect sand particles is usually about 1mm (the insect sand is fully digested by larvae and is similar to sand particles in shape), and the insect sand particles cannot stay on the first layer of screen mesh due to agglomeration and the like; mature larva size of hermetia illucens presents the oblong shape, and the head is a little bigger, the afterbody is a little, so adopt circular sieve mesh purely, the larva head and the tail that probably has certain probability inserts the sieve mesh, the circumstances of brush fall back is cleaned through the circular sieve periphery afterwards, one section bar sieve mesh of alternate design, make the larva insert the card and further reduce on the net sieve possibility, consider simultaneously that there can be some impurity (if by kibbling plastic bag etc. of back) in the hermetia illucens breeding worm material, these impurity can make impurity separate through the first layer mesh screen and with (the residual material granulation is bred to the hermetia illucens) globular material granule through the bar sieve relatively easily. By adopting the device, the impurity content of the separated polypide can be reduced to 3%.

Drawings

Fig. 1 is a schematic structural diagram of the device for efficiently separating the hermetia illucens breeding material according to the embodiment.

FIG. 2 is a flow chart of an apparatus for efficiently separating hermetia illucens breeding material.

Detailed Description

In the embodiment, the hermetia illucens breeding material is derived from a breeding link of a certain laying hen farm in south Jing of Jiangsu, namely breeding bait (kitchen, excrement and the like) is mixed with hermetia illucens larva fries, and the breeding bait is converted into breeding materials needing screening after being bred for 10-20 days, wherein the breeding materials comprise hermetia illucens mature larvae, hermetia illucens breeding residual materials and insect sand.

The present application is further illustrated with reference to the following figures and examples.

Example 1

As shown in fig. 1, the device for efficiently separating the hermetia illucens breeding worm material comprises a conditioning and mixing unit, a granulating unit and a worm material screening unit which are sequentially connected by a conveyor belt; the quenching and tempering mixing unit comprises a stirrer, the granulating unit comprises a disc granulator, and the insect material screening unit comprises a roller screening device.

In this example, the mixer was purchased from carumurus chenginko mechanical ltd, model: ZC-1.5;

the disk pelletizer is available from Shunxin engineering equipment Co., Ltd, Zhengzhou city, model number: SXYZ-1000;

the drum screen device is a double-layer drum screen purchased from Gaozuo vibrating equipment Limited in New county; the screen mesh of the double-layer rotary screen comprises an inner mesh and an outer mesh; the inner net is obtained by alternately arranging a first circular screen and a first strip-shaped screen, and the outer net is obtained by alternately arranging a second circular screen and a second strip-shaped screen; the diameter of each sieve pore of the first circular sieve is 5mm, and the width of each sieve pore of the first bar-shaped sieve is 5 mm; the diameter of the sieve hole of the second circular sieve is 3mm, and the width of the sieve hole of the second strip-shaped sieve is 3 mm. In this embodiment, the length of each section of circular hole sieve and each section of bar-shaped sieve are both designed to be 0.5 meter, and the effective screen cloth length of the drum sieve is 2 meters, that is, each layer of screen cloth is designed to be 2 sections of circular hole screen cloth and bar-shaped screen cloth, and are designed at intervals.

In this embodiment, the top of the roller screen device above the inner and outer layers of screen cloth is provided with a cleaning brush along the axial direction (the manufacturer is Anhui dry brush Co., Ltd., the material is nylon).

The embodiment further provides a method for efficiently separating the hermetia illucens breeding material by using the device, as shown in fig. 2, the method comprises the following steps:

(1) material tempering and mixing

Conveying the hermetia illucens breeding material (containing mature hermetia illucens larvae, residual hermetia illucens breeding material and insect sand) to be screened to a material conditioning and mixing unit through a conveying belt or a transport vehicle, adjusting the material to the moisture content of 45% in a manner of supplementing water or adding pre-ordered batches of dried insect sand, and obtaining the granulated insect material.

(2) Granulation of insect material

Conveying the granulated worm material to a worm material granulating unit (a disc granulator) by using a conveyor belt to obtain a granulated finished product; in the worm material granulation unit, the black soldier fly breeding residual material is granulated by a disc to prepare spherical material particles with uniform particles of 6-8mm in diameter, and mature larvae and worm sand of the black soldier fly cannot be granulated. The granulated finished product comprises spherical material particles obtained by granulating the black soldier fly breeding residual material, mature black soldier fly larvae and insect sand which cannot be granulated, and the like.

In the embodiment, the diameter of a disc of the disc granulator is 2.2 meters, the rotating speed is 14.25r/min, the power is 7.5kw, the disc inclination is adjusted to 45%, and the granulation success rate can reach over 90%.

(3) Insect screening operation

And (4) conveying the granulated finished product subjected to granulation treatment to a roller screening device through a conveyor belt, and finally separating mature hermetia illucens larvae, the residual materials (spherical material particles) for hermetia illucens breeding and the insect sand.

The oversize material of the first layer of screen mesh is spherical material particles, and the undersize material is mature larva and dry insect sand which is difficult to granulate; and the oversize material of the second layer of the screen is mature hermetia illucens larvae, and the undersize material is dry insect sand. The screening success rate of the present embodiment is 97%. The screened and obtained black soldier fly breeding residual material which can be granulated is generally the breeding bait residual which is not completely digested, and generally the residue is returned to the bait configuration link to enter the next batch of worm body transformation again.

Meanwhile, the same hermetia illucens breeding material (containing mature hermetia illucens larvae, residual hermetia illucens breeding material and insect sand) as that of the embodiment is adopted and directly screened by a roller screening device to serve as a comparative example. The results show that the device of the embodiment can improve the screening efficiency by more than 50 percent and reduce the impurity rate of the worm body to 3 percent or less.

It is noted that, in the present application, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Furthermore, the terms "comprises," comprising, "or any other variation thereof, are intended to cover an exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus without further limitation, such that the term" comprising "…" does not exclude the presence of other similar elements in a process, method, article, or apparatus that comprises such elements.

Although embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The device for efficiently separating the hermetia illucens breeding insect materials is characterized by comprising a conditioning and mixing unit, a granulating unit and an insect material screening unit which are sequentially connected through a conveying belt;

the conditioning and mixing unit comprises a stirrer, the granulating unit comprises a disc granulator, and the insect material screening unit comprises a roller screening device;

the drum screening device is a double-layer drum screen; the screen cloth of the double-layer rotary screen comprises an inner net and an outer net.

2. The device for efficiently separating the hermetia illucens breeding material as claimed in claim 1, wherein the inner nets are obtained by alternately arranging a first circular screen and a first bar screen, and the outer nets are obtained by alternately arranging a second circular screen and a second bar screen.

3. The device for efficiently separating the hermetia illucens breeding material as claimed in claim 2, wherein the diameter of the sieve holes of the first circular sieve is not more than 5mm, and the width of the sieve holes of the first bar-shaped sieve is not more than 5 mm; the diameter of the sieve pore of the second round sieve mesh is not more than 3mm, and the width of the sieve pore of the second strip-shaped sieve mesh is not more than 3 mm.

4. The device for efficiently separating hermetia illucens breeding material according to claim 2, wherein cleaning brushes are arranged at the tops of the inner net and the outer net.

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