KR100798690B1 - Fermentation equipment of livestock excretion - Google Patents

Abstract

A fermentation equipment of livestock excretions is provided to ferment a large amount of livestock excretions continuously and sufficiently within a short time and have low installation expense and maintenance expense. A fermentation equipment of livestock excretions ferments livestock excretions to produce a fertilizer and includes a fermentation tank(10) having a drain(15) at one lower side thereof. The fermentation tank comprises: a chaff layer(20) in which an oxygen discharge pipe(21a) having oxygen outlets(22) at regular intervals is embedded, and which is placed inside the fermentation tank and contains aerobic microorganism powder; a wood chip layer(30) which is placed on the chaff layer and in which aerobic microorganisms are cultured; a gravel layer(40) which is placed on the wood chip layer; and an excretion discharge pipe(41a) which is placed on the gravel layer and has excretion outlets(42) at regular intervals. Further, the plurality of fermentation tank are installed in series or in a row.

Description

Fermentation equipment for livestock manure {Fermentation equipment of livestock excretion}

1 is a cross-sectional view showing a fermentation tank configuration of a fermentation apparatus according to an embodiment of the present invention.

Figure 2 is a plan view showing a pipe structure of the air supply pipe of the fermentation apparatus according to an embodiment of the present invention.

Figure 3 is a plan view showing a pipe structure of the manure supply pipe of the fermentation apparatus according to an embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

10 fermenter 12, 14 connector

15: drain 16: drain valve

20: chaff layer 21: oxygen supply pipe

21a: oxygen discharge pipe 22: oxygen discharge port

23: blower 24: air valve

30: wood chip layer 40: gravel layer

41: manure supply pipe 41a: manure discharge pipe

42: manure discharge port 43: pump

44: manure valve

The present invention relates to a livestock manure fermentation apparatus for fermenting manure, such as cattle and pigs by aerobic microorganisms.

With the recent development of livestock farming technology, the size of livestock farms has been spreading, and the amount of livestock manure excreted from cattle and pigs raised in farms is concentrated in one area. In addition, environmental pollution has reached a serious level due to continued destruction of ecosystems and ecosystems, and of course, various diseases are also threatening human life.

Therefore, the government mandates manure purification facilities to be set up for livestock farms above the standard scale, and manure is purged and discharged.

A common purification facility for livestock manure is to store excrement in sedimentation tanks for sedimentation, separating it from water and sediment, using the sediment for composting in arable land, diluting water properly, and then discharging it into rivers.

However, the water of manure that has flowed into the river is not biologically or chemically treated and is still toxic, causing not only river pollution but also threatening ecosystems.

Another method of manure treatment is to mix livestock manure with sawdust and leave it for a long time and then use it for composting.In this case, however, the price of sawdust is high and the cost is excessive and the supply of sawdust is not easy. There is a problem that takes a lot of time.

Often, a device for fermenting livestock manure using aerobic microorganisms while mixing livestock manure with chaff and maintaining a proper temperature with a heater, but in this case, the structure of the device is complicated, such as a heater is required. Due to the high installation cost and insufficient oxygen for fermentation, there is a problem in that manure is decayed or poor quality compost or culture is produced which is not rich in enzymes and metabolites produced by aerobic microorganisms.

Moreover, since the fermenter cannot be continuously operated, there is a problem in that a large amount of manure cannot be processed, such as a manure generated after the fermentation process is carried out once.

Accordingly, the present invention has been made to solve the above-mentioned problems of the prior art, the object of the present invention is to ferment the manure by aerobic microorganisms in the liquefaction or composting livestock manure, while a large amount of manure continuously in a short time It is to provide a livestock manure fermentation system that can be supplied to many livestock farms while making it possible to sufficiently ferment, while lowering the equipment cost and maintenance cost of the fermentation system.

In order to achieve the above object, the present invention, in the fermentation of livestock manure to produce a fertilizer, a plurality of fermentation tanks 10 having a drain 15 on one side of the lower side in a series and / or parallel speech, Each fermenter 10, the oxygen discharge pipe (21a) having an oxygen outlet 22 formed at a predetermined interval on the inner bottom is applied to the inside of the fermenter so as to cover the oxygen discharge pipe, the chaff layer mixed with aerobic microbial powder ( 20) and the wood chip layer 30 coated on the chaff layer 20 and aerobic microorganisms are cultured, the gravel layer 40 coated on the wood chip layer and the manure at regular intervals are disposed on the gravel layer. It characterized in that it comprises a discharge manure discharge pipe (41a) formed with an outlet (42).

More preferably, when the fermentation tank 10 is a plurality of speech in series and / or in parallel, for selective oxygen supply to each fermenter, a blower 23 is provided at one end and the oxygen discharge pipe of each fermenter at the other end (21a) further comprises a branched oxygen supply pipe (21), characterized in that each air discharge pipe (21a) is provided with an air valve 24, respectively.

In addition, for the selective supply of manure to each fermenter, the pump 43 is provided at one end and the manure discharge pipe 41a of each fermenter at the other end further comprises a manure supply pipe (41) branched, each manure discharge pipe (41a) ) Characterized in that each of the manure valve 44 is provided in the pipeline.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In describing the present invention, when it is determined that a detailed description of a related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be described. Description is omitted, the following description and drawings are only one example for helping the understanding of the present invention, it is not limited to the technical spirit of the present invention.

1 is a cross-sectional view showing a fermentation tank configuration of a fermentation apparatus according to an embodiment of the present invention, Figure 2 is a plan view showing a pipe structure of the air supply pipe of the fermentation apparatus according to an embodiment of the present invention, Figure 3 is an embodiment of the present invention The top view which shows the piping structure of the manure supply pipe of the fermentation apparatus which concerns on an example.

First, the fermentor 10 of the present invention with reference to FIGS. 1 and 2 is a type of box or chamber in which at least a lower surface and a quadrilateral are closed or formed in a building, and a drain at one side of the lower side. If () is installed, there is no suggestion about the kind or material.

In this case, it is preferable to mount the drain valve 16 in the drain 15 pipe line so as to selectively open and close the drain 15.

The inner bottom of the fermentation tank 10 is disposed in parallel so that the oxygen discharge pipe (21a) is spaced at appropriate intervals, one end of the oxygen discharge pipe (21a) is the oxygen supply pipe 21 and the connector 12 installed outside the fermentation tank (10) ).

The connector 12 is configured in a coupling form to separate the oxygen discharge pipe 21a and the oxygen supply pipe 21 as necessary, which means that the oxygen supply pipe 21 and the fermentation tank 10 can be separated from each other. do.

The other end of the connector side of the oxygen supply pipe 21 is provided with a blower 23 to supply oxygen into the fermentation tank 10, the oxygen discharge pipe (21a) in order to spray the oxygen in a uniform distribution in the fermentation tank (10) ), Oxygen outlets 22 are formed at appropriate intervals.

In addition, an air valve 24 is mounted on the oxygen supply pipe 21 near the connector 12 to selectively supply oxygen supply into the fermentation tank 10, as shown in FIG. 2. ) Are installed in series and / or in parallel, the air valve 24 is also installed at each branch point of the oxygen supply pipe 21 connected to each fermentation tank 10a, 10b, 10c, 10d, respectively. The oxygen supply to the fermentation tanks 10a, 10b, 10c and 10d can be selectively blocked or supplied.

On the other hand, the chaff layer 20 is applied to the bottom of the fermentation tank 10 so as to cover the oxygen discharge pipe 21a at an appropriate height, the chaff layer 20 is mixed with aerobic microbial powder or sprayed on the chaff layer 20 It includes what has become.

On top of the chaff layer 20, a wood chip layer 30 having a proper thickness and having a length of about 200 mm and coated with a wood chip layer stacked at a height of 1000 to 2000 mm is stacked, and the wood chip is cultured or inoculated with aerobic microorganisms. It includes.

Of course, the length of the wood chip is not limited, but because a number of wood chips are tangled with each other, a myriad of spaces are formed in the wood chip layer 30, which provides a useful environment for the growth of aerobic microorganisms, of course, aerobic microorganisms Necessary oxygen is supplied through the oxygen supply pipe (21).

The gravel layer 40 is coated and loaded at a height of approximately 100 to 150 mm on the wood chip layer 30, and the manure discharge pipe 41a is disposed in parallel to be spaced at an appropriate interval on the gravel layer 40.

As shown in FIGS. 1 and 3, one end of the manure discharge pipe 41a is connected to the manure supply pipe 41 installed outside the fermentation tank 10 and the connector 14, and the connector 14 is coupled to the coupling 14. It is configured in the form can be separated from the manure discharge pipe 41a and the manure supply pipe 41 as necessary, which means that the manure supply pipe 41 and the fermentation tank 10 can be separated from each other.

A pump 43 is provided at the other end of the connector side of the manure supply pipe 41 to supply manure to the inside of the fermentation tank 10, more specifically to the gravel layer 40, so that manure is uniformly sprayed in the fermentation tank 10. To this end, the manure discharge pipe 41a is provided with a manure discharge port 42 at appropriate intervals.

In addition, the manure supply pipe 41 in the vicinity of the connector 14 is equipped with a manure valve 44 to selectively supply the manure supply into the fermentation tank 10, as shown in Figure 3, the fermentation tank 10 ) Are installed in series and / or in parallel, the manure valve 44 is also installed at each branch point of the manure supply pipe 41 connected to each fermentation tank 10a, 10b, 10c, 10d, respectively. The manure supply to fermentation tanks 10a, 10b, 10c and 10d can be selectively blocked or supplied.

In the drawing, reference numeral 45 denotes a hopper, and the hopper 45 is for dropping manure from a vehicle or wagon loaded with manure, and a well-known stirring to crush manure lumps at the bottom of the hopper 45 to even out particles. Or means known in the art.

Hereinafter will be described the action of the fermentation apparatus of the present invention.

1 to 3, the manure introduced into the manure supply pipe 41 via the hopper 45 and the pump 43 is connected to each connector 14a, 14b, 14c, 14d. It is supplied to each fermentation tank (10a) (10b) 10c (10d) through, and then ejected through the manure discharge port 42 of each manure discharge pipe (41a) (41b) 41c (41d).

Of course, the selective supply of the manure to each fermentation tank 10a, 10b, 10c, 10d is determined depending on whether the manure valves 44a, 44b, 44c, 44d provided in each fermentation tank are opened or closed.

On the other hand, as for oxygen supply to each fermentation tank 10a, 10b, 10c, 10d, as shown in FIG. 2, the oxygen guide | induced to the oxygen supply pipe 21 by the blower 23 is a connector. (12a) 12b, 12c, 12d is selectively supplied to each fermentation tank 10a, 10b, 10c, 10d, and then each oxygen discharge pipe 21a, 21b, 21c, 21d. It is ejected through the oxygen outlet 22 of.

Of course, the selective oxygen supply to each fermentation tank 10a, 10b, 10c, 10d is determined depending on whether the oxygen valves 24a, 24b, 24c, 24d provided in each fermentation tank are opened or closed.

In this way, when the manure is ejected and applied to the top of the gravel layer 40 of the fermentation tank 10, the manure penetrates through the gaps of the gravel layer 40 to reach the wood chip layer 30 in a more uniform distribution form, the manure is the wood chip layer It is fermented and decomposed in contact with the aerobic microorganism inoculated at 30.

At this time, the optimum environment for breeding and aerobic fermentation of aerobic microorganisms is formed under a supply of oxygen and a certain temperature, oxygen is supplied through the oxygen supply pipe 21 and the oxygen discharge pipe 21a as described above.

The specific gravity of oxygen in general air is about 21%, the oxygen ratio for aerobic microorganisms to breed and cultivate must be at least 5%, and oxygen must satisfy 10% or more to maximize breeding and cultivation.

However, since the wood chip layer 30 according to the present invention forms a sufficient space therein, the oxygen supplied from the oxygen supply pipe 21 can satisfy the oxygen demand required for propagation of aerobic microorganisms.

The temperature condition is formed by heat generation by fermentation of the rice hull layer 20 described later. That is, the manure reaching the chaff layer 20 via the wood chip layer 30 is fermented by contact with the microbial powder contained in the chaff layer 20, and in this process, the microorganisms are actively supplied with oxygen and generate heat and heat. Steam is generated together, heat and steam reaches the wood chip layer 30 to maintain the latent heat of about 40 to 60 ℃ of the wood chip as well as supply sufficient moisture and oxygen.

On the other hand, the leachate generated in the fermentation process of the manure is discharged to the drain (15) may be introduced into the liquefaction fertilizer manufacturing apparatus is a post-process or biological or chemical dilution can be drained, whether the drain valve 16 is open or closed It depends on.

According to the fermentation apparatus of the present invention, as shown in Figures 2 and 3, it is possible to control the oxygen supply and the manure supply to each fermentation tank (10a) (10b) (10c) (10d), each fermentation tank (10a) (10b) (10c) (10d) The fermentation proceeds with a time difference every time can be continuous fermentation to obtain a culture continuously.

In addition, since each fermentation tank (10a) (10b) (10c) (10d) and each supply pipe (21) (41) can be separated from each other by a connector, after disassembling them, each fermentation tank (10a) (10b) (10c) ( 10d) and pipes may be moved to different locations and reinstalled, which may be necessary to move the fermentation system near the location of manure where it is unproductive because the transport distance from livestock manure to the fermentation system is too far. Useful when

Although the above description has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and a person of ordinary skill in the art may understand that various modifications and equivalent other embodiments are possible from the above description. It is to be understood that such changes are within the scope of the following claims.

According to the livestock manure fermentation apparatus of the present invention described above, the optimum temperature and oxygen conditions for breeding aerobic microorganism in cultivating livestock manure for liquid fertilization or composting, respectively, chaff layer 20 and oxygen supply pipe (21) In this case, it is possible to eliminate the installation of a heater or the like as a heat source, as well as to reduce the installation cost and maintenance and management costs due to the simple structure.

In addition, since a plurality of fermentation tanks can be continuously operated, not only a large amount of manure fermentation treatment is possible, but also excellent disassembly and assemblability of the fermentation device can have an excellent effect of moving the device to another place and installing it.

Claims (5)

In the device for producing fertilizer by fermenting livestock manure, Fermentation tank 10 provided with a drain 15 on the lower side; The fermentation tank 10, An oxygen discharge pipe 21a having an oxygen discharge port 22 formed at a predetermined interval on the inner bottom thereof, and the chaff layer 20 mixed with the aerobic microbial powder to be coated and loaded into the fermenter so as to cover the oxygen discharge pipe; A wood chip layer 30 coated on the rice hull layer 20 and cultured with aerobic microorganisms; A gravel layer 40 coated and stacked on the wood chip layer; And Livestock manure fermentation apparatus characterized in that it comprises a manure discharge pipe (41a) which is disposed on the gravel layer, but the manure discharge port 42 at regular intervals. The method of claim 1, The fermenter 10 is a plurality of speech in series or in parallel, Livestock manure fermentation apparatus characterized in that it further comprises an oxygen supply pipe 21 one end is branched to the oxygen discharge pipe (21a) of each fermenter. The method of claim 2, Livestock manure fermentation apparatus, characterized in that the air valve 24 is provided in each of the oxygen discharge pipe (21a) pipe branch branched from the oxygen supply pipe 21 to control the oxygen supply to each fermentation tank (10). The method of claim 1, The fermenter 10 is a plurality of speech in series or in parallel, Livestock manure fermentation apparatus characterized in that it further comprises a manure supply pipe (41) branched to one end of the manure discharge pipe (41a) of each fermenter. The method of claim 4, wherein Livestock manure fermentation apparatus, characterized in that the manure valve 44 is provided in each of the manure discharge pipe (41a) pipe branch branched from the manure supply pipe 41 to control the manure supply to each fermentation tank (10).

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