CN111357715A

CN111357715A - Black soldier fly slope breeding method for treating organic waste

Info

Publication number: CN111357715A
Application number: CN202010188848.7A
Authority: CN
Inventors: 郭立红
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-07-03
Anticipated expiration: 2040-03-17
Also published as: CN111357715B

Abstract

The invention discloses a black soldier fly slope breeding method for treating organic waste, which comprises the following steps: collecting organic wastes such as kitchen garbage and the like and carrying out fermentation treatment in time, putting the fermented kitchen garbage into a fermentation pipeline arranged on a mountain slope, carrying out sealed anaerobic fermentation, feeding hermetia illucens, converting the hermetia illucens into insect protein feed and organic fertilizer, separating kitchen garbage soup by using a slope, enabling the soup to be full of probiotics, not rotten, not smelly and mixed with leftovers of hay farmers and byproducts for feeding livestock, and selecting a site in a forest area to be beneficial to absorbing ammonia gas discharged by the growth of the hermetia illucens, so that the forest growth is facilitated. According to the invention, the kitchen waste is not corrupted through two times of fermentation, the sorting of the kitchen waste is realized through the gradient, the production line for cultivating the hermetia illucens and separating the hermetia illucens larvae from the excrement is semi-automatic, the manpower and material resources are greatly saved, the efficiency and the effect are improved, and the process has zero pollution in facilities from left to right, the soup is fully utilized, zero emission is realized, and the environmental protection standard is met.

Description

Black soldier fly slope breeding method for treating organic waste

Technical Field

The invention relates to the technical field of black soldier fly breeding, in particular to a black soldier fly slope breeding method for treating organic waste.

Background

In places where humans live, garbage is generated. In the past, most of the garbage is treated by burning and burying, the extensive treatment mode causes a plurality of defects, and in recent years, the state strongly advocates classification treatment of the garbage, so that the pollution is reduced, and the environment is improved. The garbage is mainly classified into four categories of recoverable matters, kitchen garbage, harmful garbage and other garbage, wherein the kitchen garbage refers to garbage generated in activities such as daily life, food processing, dietary service, unit meal supply and the like of residents, and comprises abandoned vegetable leaves, leftovers, fruit peels, eggshells, bones and the like. For the treatment of kitchen waste, the vast majority of the kitchen waste in China is mixed with domestic waste and stacked, the traditional incineration and landfill are mainly used, and anaerobic fermentation is performed to produce methane and aerobic fermentation is performed to wet compost in part of cities. At present, no matter which mode is adopted, harmlessness and reduction can not be really realized. The kitchen waste contains extremely high moisture and organic matters, is easy to rot and generates stink. Can be converted into new resources through proper treatment and processing. The 'biotransformation technology' that rises in 2015 utilizes hermetia illucens larvae to convert organic matters in kitchen waste and livestock and poultry excrement into insect protein feed and organic fertilizer quickly and efficiently, and the currently domestic hermetia illucens bred all adopt solid and solid substances separated in three phases to feed (namely solid kitchen waste after oil and water separation), and the technology is as follows: the kitchen waste is poured into a hopper through a collecting and transporting vehicle, is scattered through a splitting and combining machine and then enters a roller machine, is crushed and then enters a refiner pulping machine for pulping, then enters a sand settling machine and a filter press, is steamed and heated again, and is separated from oil, water and solid, and then is fed with black water . The whole process is time-consuming, labor-consuming and expensive, and the odorless kitchen waste is changed into odor in the whole process time period. The method is characterized in that the black soldier fly is fed to cause environmental pollution to generate stink naturally, the black soldier fly is added to metabolize to generate ammonia gas in the peak period of growth and development, and the ammonia gas is smellier.

Disclosure of Invention

In order to solve the problems, the invention provides a method for breeding hermetia illucens at a gradient for treating organic waste, which aims to solve the problems of high putrefaction of kitchen waste, huge investment and great difficulty in the process of sorting the kitchen waste.

In one aspect, the invention provides a hermetia illucens slope culture method for treating organic waste, comprising the following steps of:

collecting kitchen waste;

performing fermentation treatment on the kitchen waste to obtain fermented kitchen waste;

the fermented kitchen garbage flows into a black soldier fly culture pond through a fermentation pipeline arranged on a mountain slope, and soup collection and peculiar smell treatment are carried out;

decomposing and converting the fermented kitchen waste in the culture pond by using the hermetia illucens, and collecting inedible parts in the waste in a centralized manner;

separating and drying the body and the excrement of the hermetia illucens, and

and discharging ammonia gas generated in the hermetia illucens breeding pond into the forest.

According to an embodiment of the present invention, the collecting the kitchen waste comprises: collecting kitchen waste by adopting a door-to-door collection mode, and pouring the kitchen waste into a sealed waste collection barrel containing the probiotic leavening agent.

According to an embodiment of the present invention, the performing fermentation treatment on the kitchen waste to obtain fermented kitchen waste includes:

performing primary fermentation treatment on the kitchen waste by using a probiotic fermentation agent placed in a waste collection barrel to obtain primary fermented kitchen waste;

and pouring the primary fermented kitchen waste into a fermentation pipeline for secondary fermentation treatment to obtain secondary fermented kitchen waste.

According to a specific embodiment of the invention, the fermentation pipeline is arranged on a mountain slope with the gradient of about 35 degrees.

According to a specific embodiment of the present invention, the diameter of the fermentation pipe is 1.5m-2.2m, and the length of the fermentation pipe is 20m-100 m.

According to a specific embodiment of the invention, the fermentation pipeline is a totally enclosed pipeline, and two spring doors consisting of upper and lower half doors are arranged at the inlet of the pipeline, and the spring doors are freely opened and closed under the action of pressure.

According to a specific embodiment of the invention, the terminal end of the fermentation pipeline is provided with an electric screw gate which is driven by a motor.

According to an embodiment of the invention, the step of flowing the fermented kitchen garbage into the black soldier fly breeding pond through a fermentation pipeline laid on a mountain slope for soup collection and peculiar smell treatment comprises the following steps:

covering fermented rice hull powder, corn bran or corn cob powder with wine-flavored on fermented kitchen garbage to adsorb peculiar smell emitted from the hermetia illucens breeding pond, and using the adsorbed abnormal smell as feed for the hermetia illucens to eat;

the collected soup, hay and agricultural and sideline product leftovers are mixed and fermented to adsorb the soup in the kitchen garbage and serve as feed for livestock.

According to an embodiment of the present invention, the separating and drying process of the hermetia illucens and the excrement includes:

screening and separating five-instar hermetia illucens and excrement by a mechanical device to respectively obtain hermetia illucens bodies and excrement;

the larvae in the separated excrement are turned over by the chicken flocks, the garbage on the upper layer of the excrement is collected by the rake to obtain pure excrement, and then the excrement is dried.

According to a specific embodiment of the invention, the discharging of ammonia gas generated in the hermetia illucens breeding pond into the forest comprises:

and ammonia gas generated by the hermetia illucens in the breeding process is discharged into the forest through the exhaust device.

According to the method for breeding the hermetia illucens with the gradient for treating the organic wastes, the organic wastes such as kitchen wastes, livestock and poultry excrements and tailed fruits and vegetables are treated by the microorganisms, the hermetia illucens are used for converting the organic wastes into insect protein feeds and organic fertilizers, the kitchen wastes are sorted by the gradient of the mountain body in the whole process flow, the breeding of the hermetia illucens, the separation of hermetia illucens larvae from the excrements and the semi-automation of the production line greatly save manpower and material resources, the efficiency and the effect are improved, the process and the facility are free of pollution, the soup and the water are comprehensively utilized, the zero discharge meets the environmental protection standard.

Drawings

Fig. 1 is a flow chart of a black soldier fly farming method for treating organic waste according to an embodiment of the invention.

FIG. 2 is a flow chart of a method for fermenting kitchen waste according to an embodiment of the present invention.

Fig. 3 is a flow chart illustrating a method for collecting soup and treating odor of kitchen waste according to an embodiment of the present invention.

Fig. 4 is a flow chart of a method for separating and drying hermetia illucens bodies and excrements according to an embodiment of the invention.

Detailed Description

The present invention is described in detail below with reference to specific embodiments in order to make the concept and idea of the present invention more clearly understood by those skilled in the art. It is to be understood that the embodiments presented herein are only a few of all embodiments that the present invention may have. Those skilled in the art who review this disclosure will readily appreciate that many modifications, variations, or alterations to the described embodiments, either in whole or in part, are possible and within the scope of the invention as claimed.

As used herein, the terms "first," "second," and the like are not intended to imply any order, quantity, or importance, but rather are used to distinguish one element from another. As used herein, the terms "a," "an," and the like are not intended to mean that there is only one of the described items, but rather that the description is directed to only one of the described items, which may have one or more. As used herein, the terms "comprises," "comprising," and other similar words are intended to refer to logical interrelationships, and are not to be construed as referring to spatial structural relationships. For example, "a includes B" is intended to mean that logically B belongs to a, and not that spatially B is located inside a. Furthermore, the terms "comprising," "including," and other similar words are to be construed as open-ended, rather than closed-ended. For example, "a includes B" is intended to mean that B belongs to a, but B does not necessarily constitute all of a, and a may also include C, D, E and other elements.

The terms "embodiment," "present embodiment," "an embodiment," "one embodiment," and "one embodiment" herein do not mean that the pertinent description applies to only one particular embodiment, but rather that the description may apply to yet another embodiment or embodiments. Those of skill in the art will understand that any of the descriptions given herein for one embodiment can be combined with, substituted for, or combined with the descriptions of one or more other embodiments to produce new embodiments, which are readily apparent to those of skill in the art and are intended to be within the scope of the present invention.

Example 1

Additional aspects and advantages of embodiments of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments of the invention. Fig. 1 is a flowchart of a black soldier fly farming method for treating organic waste according to an embodiment of the invention, as shown in fig. 1, including the following steps:

s1: collecting the kitchen garbage.

S2: and performing fermentation treatment on the kitchen waste to obtain fermented kitchen waste.

S3: and (3) allowing the fermented kitchen garbage to flow into the hermetia illucens breeding pond through a fermentation pipeline arranged on the mountain slope, and collecting soup and treating peculiar smell.

S4: and decomposing and converting the fermented kitchen waste in the culture pond by using the hermetia illucens, and collecting inedible parts in the waste in a centralized manner.

S5: and separating and drying the body and the excrement of the hermetia illucens.

S6: and discharging ammonia gas generated in the hermetia illucens breeding pond into the forest.

Specifically, step S1 is to collect the kitchen waste, including collecting the kitchen waste in a point-to-point door-to-door collection manner, and pouring the kitchen waste into a sealed waste collection bin containing the probiotic leavening agent. The point-to-point mode is adopted, kitchen garbage is collected in a door-to-door loading and transporting mode of the barrel, and the kitchen garbage is subjected to fermentation treatment of probiotics when leaving a dining table.

Specifically, step S2 is to perform fermentation treatment on the kitchen waste to obtain fermented kitchen waste, and fig. 2 is a flowchart of a method for performing fermentation treatment on kitchen waste according to an embodiment of the present invention, as shown in fig. 2, including the following steps:

s2-1: performing primary fermentation treatment on the kitchen waste by using a probiotic fermentation agent placed in a waste collection barrel to obtain primary fermented kitchen waste;

s2-2: and pouring the primary fermented kitchen waste into a fermentation pipeline for secondary fermentation treatment to obtain secondary fermented kitchen waste.

In step S2-1, since the empty garbage collection can is filled with the probiotic fermentation agent, the kitchen waste is subjected to primary fermentation treatment under the action of the probiotic, so that the kitchen waste is fresh-keeping and not spoiled, and the probiotic is propagated more rapidly by shaking in the transportation process of the vehicle.

In step S2-2, the vehicle pours the transported kitchen garbage into a fermentation pipe installed on a mountain slope, or an artificial slope having a certain slope, such as a slope of a house roof constructed of reinforced concrete, i.e., a splayed roof, and preferably, the embodiment of the present invention installs the fermentation pipe on the mountain slope having an inclination angle of about 35 °, the diameter of the fermentation pipe being 1.5m to 2.2m, and the length of the fermentation pipe being 20m to 100 m. Wherein the fermentation pipeline is totally enclosed pipeline, pipeline entrance is provided with the upper and lower half spring door of quadruple, the velocity of flow and the pressure that the pipeline was poured into to rubbish from cooking can be opened the spring door automatically, the spring door self-closing behind the pipeline flows into, because the oil of rubbish from cooking in the fermentation pipeline is located the topmost layer of rubbish from cooking all the time, consequently, oxygen has been kept apart, under the effect of probiotic, carry out the secondary fermentation to rubbish from cooking, make rubbish from cooking never expose in the air from the production unit to black soldier fly breeding base, be in inclosed fermentation space all the time, its effect is more ideal. The electric spiral gate is driven by a motor, the electric spiral gate is located at the bottommost end of the fermentation pipeline on the mountain slope, the uppermost edge of the hermetia illucens breeding pond is opened, the fermented kitchen garbage slightly with the wine fragrance can flow down along the slope and flow into the hermetia illucens breeding pond, and liquid in the kitchen garbage flows into the collecting pond along the slope.

Specifically, in step S3, the fermented kitchen waste flows into the black soldier fly breeding pool through the fermentation pipe arranged on the mountain slope, and is subjected to soup collection and odor treatment, fig. 3 is a flowchart of a method for collecting soup and performing odor treatment on the kitchen waste according to an embodiment of the present invention, and as shown in fig. 3, the method includes the following steps:

s3-1: covering the fermented kitchen garbage with rice hull powder, corn husks or corn cob powder to adsorb peculiar smell emitted from the hermetia illucens breeding pond and using the peculiar smell as feed for the hermetia illucens to eat;

s3-2: and covering the collected soup with the yellow bamboo grass for fermentation treatment so as to adsorb the soup in the kitchen garbage and use the soup as feed for livestock to eat.

In step S3-1, the powdered ground material of the rice husk powder, the corn bran or the corn cob, which is equivalent to the cheap ground material, is covered on the feed of the cultured black soldier fly in the vigorous growth and development period to adsorb and ferment the wine flavor emitted from the black soldier fly culture pond, so that the peculiar smell in the excrement of the black soldier fly in the vigorous growth period can be effectively adsorbed and decomposed, and meanwhile, the black soldier fly can eat the black soldier fly cleanly, and no sewage is discharged while the peculiar smell is removed.

In step S3-2, the collected soup is covered with yellow bamboo grass, and sweet elephant grass is fermented for one week to absorb the soup in the kitchen garbage, and the soup can be used as feed for cattle and sheep.

Specifically, in step S4, hermetia illucens is used to decompose and transform the fermented kitchen waste in the culture pond, and the inedible parts in the waste are collected together. The black soldier fly can separate inedible materials such as plastic garbage and bones by creeping of numerous larvae in the breeding process, and the dry garbage sorted by the black soldier fly is clean without oil stains and easy to collect under the condition that the black soldier fly breeding pond with the aid of slope setting is in a proper order.

Specifically, the step S5 is to separate and dry the hermetia illucens body and the feces, fig. 4 is a flowchart of a method for separating and drying the hermetia illucens body and the feces according to an embodiment of the present invention, and as shown in fig. 4, the method includes the following steps:

s5-1: screening and separating five-instar hermetia illucens and excrement by a mechanical device to respectively obtain hermetia illucens bodies and excrement;

s5-2: the larvae in the separated excrement are turned over by the chicken flocks, the garbage on the upper layer of the excrement is collected by the rake to obtain pure excrement, and then the excrement is dried.

In step S5-1, the black soldier fly larvae and feces of 5-6 th instar are screened and separated by a mechanical device to obtain black soldier fly bodies and feces, respectively, a part of the separated black soldier fly bodies are dried for packaging and sale, and the other part of the fresh soldier fly bodies can be used for feeding poultry such as chickens, ducks and geese, or aquatic products such as fishes, shrimps and the like.

In step S5-2, since a small amount of black soldier flies and dry garbage with small volume still exist in the separated feces, the separated feces are put on the hardened ground to be raked by chickens, the worms mixed in the feces are thoroughly eaten, inedible garbage is left, the rakes are used for collection, and the obtained pure feces are dried and packaged for sale as organic fertilizers or supplied to planting bases as fertilizers.

Specifically, step S6 is a step of discharging ammonia gas generated in the hermetia illucens breeding pond into the forest, including: and ammonia gas generated by the hermetia illucens in the breeding process is discharged into the forest through the exhaust device.

In the process of culturing the hermetia illucens, due to metabolism and production consumption, and the fact that the peristaltic frequency is high in the vigorous growth period to generate heat, partial nitrate in kitchen garbage can be decomposed into ammonia gas, namely the natural phenomenon of the ammonia gas produced by organisms, but the quantity of the hermetia illucens is huge, except that the soup liquid and the dry materials are fermented into the material with wine fragrance and concentration to cover and adsorb, odor is degraded, the ammonia gas in the hermetia illucens culturing farm can be discharged into a forest through an exhaust device, the site of the hermetia illucens culturing farm is located in the forest far away from a residential area, the biological ammonia gas is nutrient substances of trees, the trees can absorb the discharged ammonia gas, and the ecological environment is enabled to be more harmonious.

Compared with the existing black soldier fly breeding method based on kitchen waste treatment, the black soldier fly slope breeding method for treating organic waste provided by the invention has the following advantages:

1. zero emission, make waste resources cyclic utilization, extend the ecological chain, change organic waste gas into insect protein feed and live body bait simultaneously, raise poultry, livestock, the worm excrement still can be regarded as organic fertilizer and the organic food material of green planting. The secondary pollution caused by the traditional mixing and stacking of kitchen garbage and household garbage, burning, landfill, fertilizer retting, biogas production, biogas slurry, biogas residues and the like is avoided. The kitchen waste treated by the hermetia illucens is recycled, so that secondary treatment is not needed, and more resources are saved.

2. The fully-sealed design of the invention enables the kitchen waste to be subjected to probiotic fermentation in the fermentation pipeline with the inclined slope, fully utilizes the high moisture fluid characteristic of the kitchen waste, pours the kitchen waste into the high-level fermentation pipeline from the inlet and flows out from the bottom end, and then utilizes organisms, namely black soldier flies, to carry out decomposition treatment, thereby saving time and labor and having small investment and solving the problem that the kitchen waste soup is difficult to collect.

The concepts, principles and concepts of the invention have been described above in detail in connection with specific embodiments (including examples and illustrations). It will be appreciated by persons skilled in the art that embodiments of the invention are not limited to the specific forms disclosed above, and that many modifications, alterations and equivalents of the steps, methods, apparatus and components described in the above embodiments may be made by those skilled in the art after reading this specification, and that such modifications, alterations and equivalents are to be considered as falling within the scope of the invention. The scope of the invention is only limited by the claims.

Claims

1. A hermetia illucens slope culture method for treating organic waste is characterized by comprising the following steps of:

collecting kitchen waste;

separating and drying the body and the excrement of the hermetia illucens, and

2. The method of claim 1, wherein collecting the kitchen waste comprises: collecting kitchen waste by adopting a door-to-door collection mode, and pouring the kitchen waste into a sealed waste collection barrel containing the probiotic leavening agent.

3. The method of claim 1, wherein said subjecting the kitchen waste to a fermentation process to produce fermented kitchen waste comprises:

4. The method of claim 3, wherein the fermentation conduit is disposed on a mountain slope having a slope of about 35 °.

5. The method according to claim 3, wherein the diameter of the fermentation pipe is 1.5m-2.2m and the length of the fermentation pipe is 20m-100 m.

6. The method as claimed in claim 3, wherein the fermentation pipe is a totally enclosed pipe, and two spring doors consisting of upper and lower half doors are provided at the inlet of the pipe, and the spring doors are freely opened and closed under the action of pressure.

7. The method according to claim 3, wherein the terminal end of the fermentation pipe is provided with a motorized screw gate driven by a motor.

8. The method of claim 1, wherein the step of flowing the fermented kitchen waste into the hermetia illucens breeding pond through a fermentation pipeline laid on a mountain slope for soup collection and odor treatment comprises the steps of:

9. The method of claim 1, wherein the separating and drying the hermetia illucens bodies and excrements comprises:

10. The method of claim 1, wherein the discharging ammonia gas produced in the hermetia illucens breeding pond into the forest comprises: