JP4087075B2 - Chicken dung drying and incineration method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for treating chicken dung accumulated in a poultry house, and more particularly to a method for collecting chicken dung, drying it, and reusing it for fertilizer or feed.
[0002]
[Prior art]
As a conventional chicken manure treatment device, for example, a livestock manure drying and incineration device developed by the applicant of the present application is disclosed in JP-A-6-193850. As shown in FIG. 2, the incinerator main body 31 supplies a quantity of livestock excrement from a hopper 32 to a dryer 33, and screens the dry livestock excrement by a separator 35 to send large grains to the hopper 32. It is sent to a dry livestock dung hopper 34, the small particles are incinerated in an incinerator 36, the moisture of the gas after drying from the dryer 33 is removed by a dehumidifier 37, and the dehumidified gas and fresh air are further fed into the incinerator 36. The exhaust gas from the incinerator 36 is received by the dust illuminator through the dryer 33 and is removed by the water vapor extinguishing device 39 while being mixed by the blower 38 and supplied to the exhaust gas. ing.
[0003]
That is, the livestock manure drying and incineration apparatus 39 screens the livestock feces drier 33 that stores a predetermined amount of livestock feces, the livestock feces drier 33 that is quantitatively supplied from the hopper 32, and the large livestock dry manure. To the hopper 32, a separator 35 for sending the small-grain dried animal feces to the dried animal fecal hopper 34, an incinerator 36 for the small-grain dried animal feces stored in the dried animal manure hopper 34, and dehumidification to remove the moisture of the gas after drying from the dryer 33 A blower unit 38 that freely mixes and supplies dehumidified gas and fresh air to the incinerator 36, and a dust illuminator that receives exhaust gas from the incinerator 36 via the dryer 33; And a water vapor extinguishing device 39 for removing water vapor contained in the exhaust gas from the dust illuminator, and the dryer 33 is an incinerator 36 by an indirect heating method. An external cylinder 45 having an inlet 42 for receiving the high-temperature exhaust gas, an outlet 43 for discharging the exhaust gas from the inlet 42 and sending the exhaust gas to the dust illuminator, and an ash outlet 44, and a concentric structure in the external cylinder 45. And an internal rotary cylinder 46 that rotates and gradually moves and dries the livestock droppings that are put in, and the incinerator 36 is rotatably provided with a porous body at the lower part of the furnace body and above the perforated plate. A pipe with a stirring blade 53 that also serves as an air outlet is positioned so as to cross this, and an air supply pipe is attached to both ends of the pipe along the side wall of the furnace body, and an air outlet hole is provided in the air supply pipe. The water vapor extinguishing device 39 is provided with a sprayer 61 in an underground tunnel 60 having a predetermined length, and the sprayer 61 has a heat exchange of the dehumidifier 37. Supplying groundwater 63 within after passing type and sprayed into the exhaust gas from the dust illuminators are configured to extinguish completely water vapor is cooled by further passing within an underground tunnel 60.
[0004]
According to the conventionally known apparatus configured as described above, the livestock excrement is quantitatively introduced from the hopper into the dryer and sent to the separator, and the dry livestock feces are sieved into large dry livestock feces and small dry livestock feces by this separator. Separately, the large-sized dried livestock droppings are returned to the hopper and dried again by the dryer, and only the small-sized dried livestock droppings are put into the incinerator through the dry livestock droppings upper, and the incinerated dropping ash is taken out. The high-temperature exhaust gas from the incinerator becomes a heat source that dries the livestock dung sent back to the dryer and the returned large-scale dry livestock dung, and removes dust by showering with a dust illuminator and also into a water vapor extinguishing device. Remove water vapor and discharge it as clean air. On the other hand, the dried gas from the dryer is sent to a dehumidifier to remove moisture, and after the dehumidified gas and fresh air are mixed in a predetermined ratio by a blower unit and sent to an incinerator to send combustion air of small dry livestock feces and Become. Further, the exhaust gas from the incinerator is put between the inner rotating cylinder and the outer cylinder from the inlet of the outer cylinder, and the animal waste is put in the inner rotating cylinder and dried, and the exhaust gas is a screw-like plate of the inner rotating cylinder. In addition, the dust flows into the outer cylinder and is discharged from the outlet, and the dust is further conveyed by the screw-like plate and discharged from the ash outlet.
[0005]
[Problems to be solved by the invention]
Problems with such conventionally known animal dung drying incinerators include problems in the flow of heat (smoke) and problems in adjusting indoor moisture, odor, and dust.
(1) Heat (smoke) flow problem
A. Since high heat from 700 ° C. to 1,000 ° C. is generated in the incinerator , the bad odor can be completely decomposed.
B) Since a horizontal flue is used from the incinerator, it is necessary to select a heat-resistant material as the flue material when the flue gas is guided to the kiln.
C, the use of the transverse flue from Kirun with further tubular body surrounding the external Kirun to dry the faeces and conducted to the tubular body heat inside, resistant to flue material in inducing the dust removing device It is necessary to select a high heat material.
When adjusting dust and exhaust temperature in the dust removal device, dust is mixed into the hot air, so circulating water is sprayed at the front of the dust removal device and the dust attached to the filter part of the dust removal device is high pressure. It must be removed with circulating water and at the same time the temperature must be lowered.
Oh, also it must be induced to the fan for the flue gas discharge sideways of the flue from the dust removing device, further using a circulating cooling water in the underground tunnel upon treatment underground tunnel steam annihilation device It is necessary to extinguish water vapor with a heat exchange device.
(2) Indoor moisture adjustment issues
A. When 100% of the water and odor evaporated from the chicken manure in the kiln are introduced, in order to promote the heat burning in the incinerator , the water and odor evaporated from the kiln are directly connected by a duct. It must be burned in an incinerator .
B) If the above combustion is inhibited, the dehumidifier adjusts the amount of water so that the moisture in the air does not inhibit the combustion, and also uses a large amount of groundwater to produce condensed water due to the temperature difference and discharges it outside. There is a need.
C, and because the fertilizer content Fukumaru in condensed water in the same manner, it is necessary to concentrated to available liquid fertilizer with neutralizing the fertilizer component.
D, when further the tip of the hot flame when burned in the incinerator is complete because it uses the afterburner system passes through the portion of the tube to take over the furnace and Kirun, the moisture and odor evaporated to bypass part Need to be directly connected by a duct.
(3) Indoor odor adjustment issues
A. Odor generated from the equipment in the building where the intake and exhaust are adjusted needs to be decomposed and discharged in a 100% incinerator (700 ° C. to 1,000 ° C.) or via an afterburner system.
(A) It is necessary to automatically increase / decrease the amount of material supply and automatically forcibly supply auxiliary fuel so that the temperature is confirmed by a temperature sensor in the furnace and a predetermined high temperature is maintained.
(4) Indoor dust adjustment issues
A mobile, large dust that mixed in the smoke with the screw over shaped plate around the outside of the inner rotating cylinder containing the feces, to Kirun minimum unit by utilizing the rotation of Kirun the dust to accumulate on the bottom of the outer cylinder Need to be removed from the outlet.
Lee, also need to make the function of increasing the efficiency of heat conduction to the screw over-shaped plate attached to the outer periphery of the inner rotating cylinder rotates the outer side of the inner tube heat.
C. Further , it is necessary to circulate water in the front part of the dust removing device on the remaining small dust, and to drop the dust adhering to the filter portion in the dust removing device with high-pressure circulating water to precipitate and take it out from the discharge port.
[0006]
[Means for Solving the Problems]
The present invention was developed in order to solve the above-described problems, and the chicken dung for producing chicken dung incineration ash, which is a raw material for fertilizer, was dried inside a building that controlled the intake and exhaust of indoor air. A method of incineration,
A step of charging a necessary amount of chicken manure to be incinerated into a kiln having an outer cylinder and an inner rotating cylinder with a belt conveyor and drying the chicken manure by crushing the kiln by rotating the kiln,
Transporting the chicken dung dried in the above process to a spare dry stockpile with a screw conveyor;
It consists of the process of incinerating the dried chicken manure transported in the premise process in an incinerator and carrying out the chicken manure incineration ash to the outside of the building with a screw conveyor,
Exhaust moisture in the air generated from the incinerator through the ground water through the pipes arranged on the walls inside the building to cause condensation due to a temperature difference, and generate high heat of 700 ° C. to 1,000 ° C. in the incinerator. Inducing flue gas in a sideways flue provided in the incinerator and putting it in the external cylinder of the kiln to conduct heat to the internal rotating cylinder to dry the chicken dung,
Further, the dust collected at the bottom of the outer cylinder is removed by moving to the lowest part of the kiln through the rotation of the kiln, and the flue gas is removed by the sideways flue provided in the outer cylinder of the kiln. Lead to the device,
Furthermore, the dust removal device removes the dust from the spray generated when reusing groundwater used for condensation in the air, and lowers the temperature to discharge it to the outside of the building to remove the odor generated from the device inside the building. An object of the present invention is to provide a method for drying poultry manure and an incineration method thereof, characterized by decomposing with the heat of the incinerator .
[0008]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention is a method of drying and incinerating chicken manure for producing chicken manure incineration ash that is a raw material for fertilizer in a building that controls the intake and exhaust of indoor air,
A step of charging a necessary amount of chicken manure to be incinerated into a kiln having an outer cylinder and an inner rotating cylinder with a belt conveyor and drying the chicken manure by crushing the kiln by rotating the kiln,
Transporting the chicken dung dried in the above process to a spare dry stockpile with a screw conveyor;
It consists of the process of incinerating the dried chicken manure transported in the premise process in an incinerator and carrying out the chicken manure incineration ash to the outside of the building with a screw conveyor,
Exhaust moisture in the air generated from the incinerator through the ground water through the pipes arranged on the walls inside the building to cause condensation due to a temperature difference, and generate high heat of 700 ° C. to 1,000 ° C. in the incinerator. Inducing flue gas in a sideways flue provided in the incinerator and putting it in the external cylinder of the kiln to conduct heat to the internal rotating cylinder to dry the chicken dung,
Further, the dust collected at the bottom of the outer cylinder is removed by moving to the lowest part of the kiln through the rotation of the kiln, and the flue gas is removed by the sideways flue provided in the outer cylinder of the kiln. Lead to the device,
Furthermore, the dust removal device removes the dust from the spray generated when reusing groundwater used for condensation in the air, and lowers the temperature to discharge it to the outside of the building to remove the odor generated from the device inside the building. Since it is a chicken dung drying and incineration method characterized by decomposing by the heat of the incinerator , all problems that have occurred in the conventional apparatus can be solved.
[0010]
【Example】
Embodiments of the present invention will be described below with reference to the drawings.
The present invention develops a chicken dung drying treatment method dedicated to chicken dung using the livestock dung drying incinerator (JP-A-6-193850) already disclosed by the applicant of the present invention as shown in FIG. It was developed so that the chicken manure incineration ash (treatment substance) obtained by the above can be reused for fertilizer and feed. Therefore, since the incinerator used in the processing method of the present invention has been described in the above-mentioned prior art column, it will be omitted here, and the processing method that is a feature thereof will be described with reference to FIG.
[0011]
First, a method for producing fertilizer by drying poultry manure using a livestock manure dry fertilizer manufacturing apparatus generally comprises a hot air generation mechanism, a manure drying mechanism (rotary kiln), an exhaust gas treatment mechanism, and a deodorization mechanism. A device is being used. The hot air generating mechanism generates high heat of 700 ° C. to 1,000 ° C. using dry fertilizer (feces dried to a moisture of 45% or less by a dryer) as fuel. At that time, calorie-deficient feces (fermented feces etc.) are mixed with pulverized coal and heat-fired. Further, the feces drying mechanism blows hot air of 700 ° C. to 1,000 ° C. generated by the hot air generation mechanism to the rotary drying drum, and uses this as a heat source to dry the raw feces to a moisture content of 45% or less.
[0012]
Next, a specific method of the chicken manure drying method will be described below. First towards the flow of manure is moving the manure the amount necessary to incinerate within 24 hours with a shovel outside raw dung yard, be introduced into the building interior of Kirun belt conveyor through a metering mobile unit Kyatabira formula, A large and small net tube is doubled in the interior with a low odor in the forward direction through the kiln, and when the kiln with a plate that lifts the feces rotates, the feces fall forward and crush and dry let it, returning the crushed incomplete min at vibratory sieve is moved while crushing a screw conveyor to Kirun the dried feces carry the pre-drying stockpile warehouse screw conveyor, in stockpile warehouse predrying be conveyed while controlling the screw conveyor in the inverter according to the incineration state in the incinerator, the ash of incinerators in the screw conveyor It is carried out in part, of the flow of poultry manure in the order.
Then, towards the heat flow (flue gas) be induced thermogenesis (700 ° C. ~ 1000 ° C.) is allowed to transverse flue in incinerators, in a cylinder that wraps an external Namakuso hopper containing the feces Heat is transferred to the hopper inside to dry the stool, guided by a sideways flue, reused a large amount of groundwater for control of indoor moisture with a dust removal device, sprayed, the temperature simultaneously removed with dust lowering it, flowing a flue in order to discharge to the outside by spraying reuse control Groundwater indoor moisture through the smoke discharge fan and water vapor disappear device by induction in landscape flue.
In addition, the indoor moisture, odor, and dust control methods include the heat and moisture generated from the equipment in the building where the intake and exhaust air are controlled to create an extremely hot and humid environment in the room, and moisture in the air inhibits combustion. In order to control the amount of moisture that does not occur, pipe the pipe with a material with good thermal conductivity to the amount necessary to reach the wall room and pass a large amount of groundwater to create condensation due to the temperature difference, thereby reducing moisture in the air eliminating, whereas it odor generated from the device located inside the building with controlled intake air and exhaust is discharged is decomposed by 100% incinerator (700 ℃ ~1,000 ℃), further mixed into the smoke large dust is collected from the outlet by moving the dust accumulated in the bottom portion of the outer tube with a screw chromatography shaped plate around the outside of the inner rotating cylinder containing the feces to Kirun minimum unit by utilizing the rotation of Kirun was Put it, where the screw over shaped plate attached to the outer periphery creates a function to increase the conduction efficiency caused heat to rotate the outer side of the inner cylinder heat, further removal failure was small dust and soot mass in dust removing device It is controlled by adding water and discharging it through a filter .
[0013]
In FIG. 1, 1 is a live fecal hopper, 2 is a live fecal feed belt conveyor, 3 is a combustion gas passing through the kiln, 4 is a shaken sizing filter, 5 is a fine dry stool, 6 is a large dry stool, 7 Tar, 8 circulating pump, the exhaust fan 9, 10 steam exhaust system 11 feedback scan screw over conveyor 12 is evaporated gas, 13 adopted cylinders, 14 Tokito, 15 dehumidifier, 16 drain management device, the mix controller 17, 18 is the combustion gas, 19 incinerators, 20 extrusion screw over conveyor, the dried feces input hopper 21, 22 conveyor, 23 dried dung conveyor screw over conveyor 24 is deodorant・ Soundproof / insulation housing, A is dust.
【The invention's effect】
The present invention is a method of drying and incinerating chicken manure for producing chicken manure incineration ash that is a raw material for fertilizer in a building that controls the intake and exhaust of indoor air,
A step of charging a necessary amount of chicken manure to be incinerated into a kiln having an outer cylinder and an inner rotating cylinder with a belt conveyor and drying the chicken manure by crushing the kiln by rotating the kiln,
Transporting the chicken dung dried in the above process to a spare dry stockpile with a screw conveyor;
It consists of the process of incinerating the dried chicken manure transported in the premise process in an incinerator and carrying out the chicken manure incineration ash to the outside of the building with a screw conveyor,
Exhaust moisture in the air generated from the incinerator through the ground water through the pipes arranged on the walls inside the building to cause condensation due to a temperature difference, and generate high heat of 700 ° C. to 1,000 ° C. in the incinerator. Inducing flue gas in a sideways flue provided in the incinerator and putting it in the external cylinder of the kiln to conduct heat to the internal rotating cylinder to dry the chicken dung,
Further, the dust collected at the bottom of the outer cylinder is removed by moving to the lowest part of the kiln through the rotation of the kiln, and the flue gas is removed by the sideways flue provided in the outer cylinder of the kiln. Lead to the device,
Furthermore, the dust removal device removes the dust from the spray generated when reusing groundwater used for condensation in the air, and lowers the temperature to discharge it to the outside of the building to remove the odor generated from the device inside the building. Since it is a chicken manure drying and incineration method characterized by decomposing by the heat of the incinerator, many effects that cannot be obtained by the following conventional processing method can be obtained.
(1) Effect in external raw feces storage
A. Since it does not accumulate for a long time when it is fresh, it can prevent the occurrence of harmful insects.
B) Fresh raw dung has a higher calorific value and better heat generation rate, so it is possible to reduce accumulated chicken dung on the farm.
C) Since it does not accumulate for a long time, the generation of malodor can be reduced.
(2) Effect on Cat Pi La metered mobile
A, because of the use of transport machines Cat Pi La type conveying ultra low speed (10 m / 24 hours) it can be performed.
(3) Kiln effect
A) Since the rotation speed can be adjusted in accordance with the conditions of raw feces, it is possible to make a difference in the drying time in the water-containing state of the raw material.
B) Large and poorly dried chicken manure can be sieved and returned to the kiln entrance.
C, it is possible to separate the hydrocarbon portion of the powder by ultra high temperature by double cylinder net made with large and small mesh inside Kirun.
(4) Effect of vibrating sieve
A. The angle of the sieve and the number of vibrations can be adjusted, so that the water that has not been dried can be crushed by the vibration to evaporate the moisture.
(5) Effect on screw conveyor
A, it is possible to move while crushing the crushed incomplete content because until reaching the incinerator through the three screw c conveyor can be dried promoted become uniform particles.
(6) the effect of the preliminary completion of drying stockpile warehouse
A) The moisture content of the raw material varies depending on the season and there is a difference in drying capacity, so it is possible to adjust the season by using the stocked one.
(7) Effect in incinerator
A. Temperature can be checked with the temperature sensor, the supply of raw material can be increased or decreased, and the supplementary fuel can be forcibly supplied. Therefore, the temperature can be changed depending on the combustion state.
(8) Effect of carrying out external ash
A. Since the screw conveyor can be rotated continuously at low speed, it has excellent durability due to high heat.
[0015]
Further, the present invention is that the chicken dung incineration ash obtained by the chicken dung drying treatment method described above contains mineral components such as calcium, phosphorus, potassium, magnesium, sodium, etc., and the treated substance having the mineral components is reused as fertilizer or feed it can.
[Brief description of the drawings]
FIG. 1 is a system outline diagram showing a treatment method used in a chicken manure treatment method of the present invention.
FIG. 2 is a system outline diagram showing a conventionally known livestock dung drying incinerator.
[Explanation of symbols]
1 Namakuso hopper 2 raw dung shot belt conveyor 3 Kirun passing the combustion gas 4 KaShinshiki sizing filter 5 granules dried dung 6 large dried feces 7 Dust illuminator 8 circulating pump 9 exhaust fan 10 steam exhauster 11 Feel back screw over conveyor 12 vapor 13 adopted cylinders 14 Tokito 15 dehumidifier 16 drain management device 17 mixes the controller 18 the combustion gases 19 incinerator 20 Heide Resuryu over conveyor 21 dried feces input hopper 22 transfer device 23 dried dung conveyor screw over conveyor 24 Deodorant / Soundproof / Insulation Housing A Dust 31 Incinerator Main Body 32 Hopper 33 Dryer 35 Separator 36 Incinerator 37 Dehumidifier 38 Air Blower 39 Water Vapor Dissipator 42 Inlet 43 Outlet 44 Ashing Outlet 45 External Tube 46 Internal Rotating Body 60 Groundwater tunnel 61 sprayers 63 heat exchange pipe

Claims (1)

It is a method of drying and incinerating chicken manure for producing chicken manure incineration ash, which is a raw material for fertilizer, inside a building that controls the intake and exhaust of indoor air,
A step of charging a necessary amount of chicken manure to be incinerated into a kiln having an outer cylinder and an inner rotating cylinder by a belt conveyor and drying the chicken manure by crushing the kiln by rotating the kiln,
Transporting the chicken dung dried in the above process to a spare dry stockpile with a screw conveyor;
It consists of the process of incinerating the dried chicken manure conveyed in the premise process in an incinerator and carrying out the chicken manure incineration ash to the outside of the building with a screw conveyor,
Exhaust moisture in the air generated from the incinerator through the ground water through the pipes arranged on the walls inside the building to cause condensation due to the temperature difference, and generate high heat of 700 ° C. to 1,000 ° C. in the incinerator. Inducing flue gas in a sideways flue provided in the incinerator and putting it in the external cylinder of the kiln to conduct heat to the internal rotating cylinder to dry the chicken dung,
Further, the dust collected at the bottom of the outer cylinder is moved to the lowest part of the kiln through the rotation of the kiln and taken out, and the flue gas is removed by a lateral flue provided in the outer cylinder of the kiln. To the device,
In addition, the dust removal device removes the dust in the spray generated when reusing groundwater used for dew condensation in the air, and lowers the temperature and discharges it outside the building to remove odors generated from the device inside the building. The chicken dung drying and the incineration method thereof, characterized by decomposing with the heat of the incinerator.

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