KR20130125279A

KR20130125279A - Method for manufacturing the solidity coal using livestock excrement and the solidity coal made thereby

Info

Publication number: KR20130125279A
Application number: KR1020120111913A
Authority: KR
Inventors: 강창희; 엄규득; 최정현
Original assignee: 강창희; 엄규득; 최정현
Priority date: 2012-05-08
Filing date: 2012-10-09
Publication date: 2013-11-18

Abstract

The present invention relates to a method for manufacturing solid coal using livestock excrements and solid coal manufactured thereby, more specifically, to a method for manufacturing solid coal using livestock excrements and solid coal manufactured thereby, wherein the method finishes molding by mixing additives for enhancing calorific efficiency of livestock excrements at a constant weight ratio.

Description

Method for manufacturing the solid fuel using shaft powder and its solid fuel {Method for manufacturing the solidity coal using livestock excrement and the solidity coal made}

The present invention relates to a method for producing solid fuel using shaft powder and a solid fuel thereof, and more particularly, to a method of manufacturing solid fuel using shaft powder, which is completed by processing and molding additives for increasing heat generation efficiency of shaft powder at a constant weight ratio. And the solid fuel thereof.

At present, livestock manure occurring in livestock houses is known as a cause of sewage pollution and air pollution, and the development of livestock manure treatment technology is being actively performed. In particular, the development of a technology for collecting and processing livestock manure and then composting through the fermentation process is being actively made.

However, there is a drawback that the manufacturing cost is increased due to the high cost to prepare a facility for composting livestock manure.

In addition, the compost and the technology of the livestock has been developed a lot now, the liquefaction technology has been developed. However, the composting of livestock manure has many problems in industrialization. In particular, the difficulties in livestock farms indicate that the farming season has a large amount of use, which has a large amount of processing, but after the farming season, there is no demand, so the livestock manure cannot be released and stored as it is. .

Due to these problems, livestock manure, especially in the case of livestock manure, has been developed to solidify it in terms of circulation alternative energy supply, to make dry milk, and to put it into a dedicated boiler or hot air boiler to use it as fuel. have. However, the dry milk technology is difficult to obtain more than expected thermal efficiency is the reality that is not used well in real farms.

Therefore, it is a reality that high-efficiency fueling technology is required as an alternative energy supply item by processing shaft powder.

1. Republic of Korea Patent Publication No. 10-2010-0122627 (2010.11.23) "Solid coal produced from livestock manure" 2. Republic of Korea Patent Publication No. 10-1122625 "Manufacturing method of solid coal using livestock manure"

In the present invention, to provide a solid fuel production method using the solid powder and the solid fuel using the conventional solid powder significantly improved the thermal efficiency of the dry powder as a problem.

Solid fuel manufacturing method using the shaft of the present invention to solve the above problems is the step of drying the condensate collected in the barn so as to have a moisture content of 60% or less; and putting the dry condensate in a mixer, and then drying the carbon powder Mixing and stirring the mixture by mixing at a predetermined weight ratio; and supplying the mixture to an extruder to warm and pressurize the extrusion molding step; And cutting the extrudate formed by extruding to a predetermined size, and then drying.

Here, in the drying shaft and carbon powder mixing step, 0.1 to 0.3 parts by weight of a deodorant is added to 100 parts by weight of the dry shaft and carbon powder mixture.

Here, the liquid stock containing the fermentation microorganisms useful in the step of mixing the dry livestock powder and carbon powder is characterized in that the further input.

Here, 5 to 30 parts by weight of any one or more selected from the group consisting of sawdust, rice husk, rice straw, dried food waste crushed product with respect to 100 parts by weight of the mixed livestock powder and carbon powder mixture step It is characterized by mixing the input.

Here, the mixing ratio of the dry shaft powder and the carbon powder is characterized by mixing in a weight ratio of 1: 0.1 ~ 1.0 by weight ratio.

In addition, the present invention is prepared by the production method disclosed in the above, after mixing the carbon powder in a predetermined weight ratio to the axial fraction of the water content of 30 to 60%, and heated and press-molded by a molding extruder and dried to a water content of 10% or less It provides a solid fuel characterized in that.

Here, the shaft portion and the carbon powder is characterized in that the mixture in a weight ratio of 1: 0.1 ~ 1.0 by weight.

Here, 0.1 to 0.3 parts by weight of the deodorant may be further added to 100 parts by weight of the shaft powder and the carbon powder mixture.

Here, the liquid ratio containing 10 to 30 parts by weight of the liquid ratio containing useful microorganisms is added to 100 parts by weight of the axial portion and the carbon powder mixture.

Here, with respect to 100 parts by weight of the pulverized powder and carbon powder mixture is characterized in that molded by mixing any one or more selected from the group consisting of sawdust, rice husk, rice straw, dried food waste pulverized.

Here, the solid fuel is characterized in that the ignition coating layer further coated with a ignition material on its surface.

The solid fuel provided by the manufacturing method provided by the present invention has a very high thermal energy, heat supply time, that is, a long carbonization time compared to the spherical coal processed using only the axial fraction, and has a high thermal efficiency.

In addition, the solid coal provided in the present invention is less than 10 times the amount of carbide (ash) remaining after the complete combustion, compared to the solid coal using a conventional shafting can provide an environmentally friendly solid coal.

1 to 2 show a molded body of solid coal according to an embodiment of the present invention.
3 is a cross-sectional view of the solid coal compact according to an embodiment of the present invention.
4 is a block diagram showing an example of a method for producing solid coal of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The invention will be described in more detail with reference to the accompanying drawings.

The present invention relates to a method for producing a solid fuel using a solid powder generated from livestock such as cattle, beef cattle or cows, such as cattle, and a solid fuel, and to mix the additives for increasing the heat generation efficiency of the cattle in a constant weight ratio Disclosed are a method for producing a solid fuel using a shaft powder, which is finished by heating and press forming, and molding and drying a certain shape such as spherical coal or pellets, and a solid fuel thereof.

Method for producing a solid fuel using the shaft according to the present invention will be described with reference to the accompanying drawings, step 4, drying the condensate collected in the barn so that the moisture content is 60% or less (S10); and put the dry shaft in the mixer Then, adding a carbon powder in a predetermined weight ratio with respect to the dry shaft fraction (S20) and stirring and supplying the mixture to the extruder by heating and pressure extruded molding step (S30); And cutting the extrudate formed by extruding to a predetermined size, and then drying (S40).

According to the present invention, 0.1 to 0.3 parts by weight of the deodorant may be further added to 100 parts by weight of the dry shaft powder and the carbon powder mixture in the drying shaft powder and carbon powder mixing step. At this time, the deodorant used may be used as usual, when the addition amount of the deodorant is less than 0.1 parts by weight, it is difficult to expect the deodorizing effect, if it exceeds 0.3 parts by weight the manufacturing cost rises, the thermal efficiency due to the deodorant There is a concern that deterioration of, and even if it exceeds the above, there is a problem that it is difficult to expect an increase in the deodorizing effect.

According to the present invention, the liquid ratio containing the fermentation microorganisms useful in the mixing of the dry livestock powder and carbon powder may be further added. The liquid fermentation is purified by fermenting nutrients, pig meal, etc. into useful microorganisms, and contains a large amount of useful microorganisms. The effect of removing can be obtained.

It is preferable to inject | pour the input amount in the range which does not exceed 70% of water content of a dry shaft powder.

According to the present invention, at least one selected from the group consisting of sawdust, rice hulls, rice straw, dried food waste pulverized product with respect to 100 parts by weight of the mixed livestock powder and carbon powder in the dry livestock powder and carbon powder mixing step 5 to 30 It can mix by adding more weight part.

According to the present invention, the mixing ratio of the dry shaft powder and the carbon powder is preferably mixed in a weight ratio of 1: 0.1 to 1.0 by weight. When the carbon powder is less than 0.1 compared to the dry shaft powder, it is difficult to expect the heat generation efficiency. When the carbon powder is more than 1.0, the heat generation efficiency is very high, but the carbon powder is not burned in the combustion process. It has a disadvantage, and also has a problem that the manufacturing cost rises.

The present invention is also manufactured by the manufacturing method disclosed in the above, after mixing the carbon powder in a fixed weight ratio in the shaft powder having a water content of 30 to 60%, and then heated and press-molded with a molding extruder and dried to a water content of 10% or less To provide fuel.

According to the present invention, the shaft powder and the carbon powder are preferably mixed in a weight ratio of 1: 0.1 to 1.0 by weight. At this time, the carbon powder to be used is a finely divided state, more preferably 10 ~ 100㎛ particle size distribution. If it is less than 10㎛, aggregation may occur without mixing evenly when mixed with the axial powder.If it exceeds 100㎛, aggregation may not occur, but a problem that the powder remains large after complete combustion may occur. have.

According to the present invention, 0.1 to 0.3 parts by weight of the deodorant may be further added to 100 parts by weight of the shaft powder and the carbon powder mixture. The deodorant may be used to remove the reverse odor even if it is completely dried due to the nature of the nutrient. The deodorant may be any of those usually used within the scope of not impairing the present invention.

According to the present invention, it may be molded by adding 10-30 parts by weight of a liquid ratio containing useful microorganisms to 100 parts by weight of the axial portion and the carbon powder mixture.

According to the present invention, it may be molded by mixing any one or more selected from the group consisting of sawdust, rice hull, rice straw, dried food waste crushed with respect to 100 parts by weight of the mixture and the carbon powder. .

Particularly, the food waste pulverized product is preferably prepared by pulverizing the food waste collected at home or a restaurant such that the dried food waste is completely dried to remove moisture. The food waste is very preferably used to dry the animal bones and the like completely removed. That is, in the case of food waste consisting mainly of fiber, such as fruit peel, vegetables, because there is an advantage that can be used as a solid fuel because only the fiber in the dried state.

According to the present invention, the solid fuel may be further formed with a ignition coating layer coated with a ignition material on its surface. When the ignition coating layer is formed, there is an advantage that the effect of increasing the initial ignition rate can be obtained.

As an example of such a molded body of the solid fuel according to the present invention, as shown in the accompanying drawings, it can be molded and processed into a cylindrical shape, and also, as shown in Figure 2, Figure 2 (a) As shown in (b) of FIG. 2, the through hole may be formed in the center, or a shaped body having the shape of a ball-hole coal, as shown in FIG. 3, and may be formed of the shaped body of FIG. It may be a molded body molded to form an unevenness.

Hereinafter, the present invention will be described in more detail with reference to preferred embodiments. However, the present invention is not limited to the following examples, and can be modified as much by those skilled in the art without departing from the scope of the present invention.

[Example]

Stocks: Prepare the stocks collected at the stockpiles, and prepare them by primary drying so that the moisture content is 60% or less.

Carbon powder: Prepare a carbon powder having a particle size distribution of 10 to 100 µm.

Deodorant: A mixture of laurylamine and nonylphenol in a weight ratio of 1: 1 is prepared.

Liquid ratio: As a useful microorganism, the filtrate obtained by fermenting livestock wastewater using actinomycetes obtained by separating microorganisms native to the soil of Hokkaido, Japan from Hancheong media.

The material prepared as described above was added to a mixer in a weight ratio as shown in Table 1 below, homogeneously mixed, and the mixture was put into an extruder, heated and press-molded to cut to have a shape as shown in FIG. Next, prepare a solid fuel by drying at room temperature to less than 10% moisture content.

Using the elemental analyzer, the prepared low-temperature calorific value was measured according to the test method of KS E 3707: 2001, and the amount of ash was measured according to the standard of test method KS M 0009: 2010, and the results are shown in Table 2 below. Shown in

division Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Condensation One One One One One One Carbon powder 0.1 0.3 0.5 0.8 One One Deodorant 0.1 - 0.1 0.1 0.1 - Liquid 20 10 - 10 10 -

Note) 1. Shaft content and carbon powder represent the mixing ratio (weight ratio).

2. The deodorant and liquid ratio are in parts by weight, and the amount of added to the 100 parts by weight of the mixture of shaft powder and carbon powder is shown.

Test Items Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Low calorific value (wetting standard)
(J / g) 16,980 18,790 19,890 20,240 20,760 20,780 Ash 17.5 17.5 17.5 19.5 26.5 27.5

As a result of measuring the lower calorific value in the results of Table 2, it was confirmed that the caloric distribution of the minimum 4,056 Kcal ~ 4,964 Kcal when converted to Kcal.

These results show a thermal efficiency similar to the calorific value of lignite or anthracite coal, and its value as a solid fuel will be very high. Particularly, in the case of power generation fuel, a fuel having a low calorific value of 4050 Kcal or more is used, and the solid fuel according to the present invention has a low calorific value of 4050 Kcal or more, and thus, it is determined that there is sufficient utilization value as a fuel for power generation.

On the other hand, as a result of the sensory test whether the solid fuel processed in Examples 1 to 6 in a completely dried state, in Example 6 without mixing the deodorant or liquid ratio, it was confirmed that the fine odor of the flake remains, but unpleasant It wasn't enough smell. In addition, the odor generated when burning the solid fuel prepared in Examples 1 to 6 was confirmed, but it was evaluated that the odor generated when burning dry grass did not smell harmful gases such as briquette gas.

The embodiments described above are intended to illustrate the present invention by way of preferred examples, and the present invention is not limited by the above embodiments, and those skilled in the art can modify the present invention without departing from the scope of the present invention. .

Claims

In the manufacturing method of solid fuel using the shaft powder,
Solid fuel production method using the livestock is a step of drying the livestock collected in the barn so that the moisture content is less than 60%;
Adding the dry shaft powder to a mixer, and then mixing and stirring the carbon powder at a predetermined weight ratio to the dry shaft powder;
Supplying the mixture to an extruder to warm and pressurize the extrusion molding step; And
Cutting the extrudate formed by extruding to a predetermined size, and then drying the solid, characterized in that it comprises a step of drying.

The method of claim 1,
Method of producing a solid fuel using the shaft powder, characterized in that the addition of 0.1 ~ 0.3 parts by weight of the deodorant with respect to 100 parts by weight of the dry shaft powder and carbon powder mixture in the drying shaft powder and carbon powder mixing step.

The method of claim 1,
The method of producing a solid fuel using the shaft powder, characterized in that further comprising the addition of the liquid fermentation containing useful fermentation microorganisms in the drying shaft powder and carbon powder mixing step.

The method of claim 1,
5-30 parts by weight of any one or more selected from the group consisting of sawdust, rice hull, rice straw, dried food waste crushed product with respect to 100 parts by weight of the mixed livestock powder and carbon powder in the mixing step of the dried livestock powder and carbon powder A method for producing a solid fuel using shaft powder, characterized in that mixing.

The method of claim 1,
The mixing ratio of the dry shaft powder and the carbon powder is a method for producing a solid fuel using the shaft powder, characterized in that the mixing by weight ratio of 1: 0.1 ~ 1.0 by weight.

Claims 1 to 5 prepared by the method according to any one of claims 1 to 5, the carbon powder is mixed in a fixed weight ratio in the shaft powder having a water content of 30 to 60%, then heated and press-molded by a molding extruder to 10% water content Solid fuel characterized in that it was dried to the following.

The method according to claim 6,
The shaft powder and the carbon powder is a solid fuel, characterized in that mixed in a weight ratio of 1: 0.1 ~ 1.0 by weight.

The method according to claim 6,
Solid fuel, characterized in that the addition of 0.1 to 0.3 parts by weight of the deodorant based on 100 parts by weight of the shaft powder and the carbon powder mixture.

The method according to claim 6,
Solid fuel characterized in that the addition of 10 to 30 parts by weight of the liquid ratio containing the useful microorganisms to 100 parts by weight of the mixture and the carbon powder mixture.

The method according to claim 6,
Solid fuel, characterized in that by mixing at least 5-30 parts by weight of any one selected from the group consisting of sawdust, rice husk, rice straw, dried food waste crushed with respect to 100 parts by weight of the shaft powder and carbon powder mixture.

The method according to claim 6,
The solid fuel is a solid fuel, characterized in that the ignition coating layer is further formed on the surface of the ignition coating.