CN109724394B - Efficient preparation system of organic fertilizer and preparation process method for preparing organic fertilizer by using efficient preparation system - Google Patents
Efficient preparation system of organic fertilizer and preparation process method for preparing organic fertilizer by using efficient preparation system Download PDFInfo
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- CN109724394B CN109724394B CN201910123623.0A CN201910123623A CN109724394B CN 109724394 B CN109724394 B CN 109724394B CN 201910123623 A CN201910123623 A CN 201910123623A CN 109724394 B CN109724394 B CN 109724394B
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Abstract
An efficient preparation system of an organic fertilizer and a preparation process method for preparing the organic fertilizer. The invention discloses an efficient preparation system of an organic fertilizer, which comprises an organic fertilizer mixing device, a dewatering cylinder, a dewatering combustion heat source and an organic fertilizer cooling device, wherein the dewatering cylinder is arranged on the upper portion of the organic fertilizer mixing device; the discharge end of the organic fertilizer mixing device corresponds to the upper part of a feeding funnel of the dewatering cylinder, and the feeding funnel corresponds to a feeding pipe at the left end of the dewatering cylinder; a discharge pipe at the right end of the dewatering cylinder is correspondingly connected with the feed end of the organic fertilizer cooling device; the high-temperature flue gas heating device is simple in structure, hot air is adopted to directly contact the organic fertilizer and take away moisture, the high-temperature flue gas indirectly heats the organic fertilizer through the spiral hollow transmission blade, the high-temperature flue gas does not directly contact the organic fertilizer, the moisture in the flue gas is effectively prevented from being condensed when encountering the organic fertilizer with relatively low temperature, and the dehydration efficiency of the high-temperature flue gas heating device is further reduced.
Description
Technical Field
The invention belongs to the field of organic fertilizer preparation.
Background
The fertilizer dehydration often lasts the leading-in flue gas that fires burning furnace production in dehydration cylinder, and the hot waste gas that utilizes the flue gas toasts the wet fertilizer in the cylinder, and then has realized the purpose of dehydration, but itself contains moisture in the product of flue gas to often contain harmful gas such as sulfur dioxide in the flue gas and can pollute the fertilizer.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides an efficient preparation system of an organic fertilizer and a preparation process method for preparing the organic fertilizer.
The technical scheme is as follows: in order to achieve the purpose, the efficient preparation system of the organic fertilizer comprises an organic fertilizer mixing device, a dewatering cylinder, a dewatering combustion heat source and an organic fertilizer cooling device; the discharge end of the organic fertilizer mixing device corresponds to the upper part of a feeding funnel of the dewatering cylinder, and the feeding funnel corresponds to a feeding pipe at the left end of the dewatering cylinder; a discharge pipe at the right end of the dewatering cylinder is correspondingly connected with the feed end of the organic fertilizer cooling device;
the smoke discharge end of the dehydration combustion heat source is connected with the hot smoke leading-in end in the dehydration cylinder; the high-temperature air discharge end of the dehydration combustion heat source is connected with the hot air introduction end in the dehydration cylinder through a hot air transition pipe.
Furthermore, a transmission shaft is rotatably arranged in the barrel of the dewatering barrel coaxially, the transmission shaft is of a hollow structure, a smoke guide straight pipe is fixedly arranged in a hollow cylindrical cavity in the transmission shaft coaxially, two ends of the smoke guide straight pipe penetrate out of two ends of the transmission shaft, and one section of the smoke guide straight pipe penetrating out of the left end of the transmission shaft is a left smoke guide straight pipe; a plugging body is arranged in the pipe of the smoke guide straight pipe positioned in the transmission shaft; the hot smoke introducing channel is arranged on the left side of the blocking body, the cold smoke discharging channel is arranged at the right end of the blocking body, and the cold smoke discharging port is arranged at the right end of the cold smoke discharging channel;
the left end of the left smoke guide straight pipe is provided with a drainage cone with the tip facing left, the pipe wall of the left smoke guide straight pipe is hollowed with a plurality of hot smoke guide holes, the hot smoke guide holes are linearly and equidistantly distributed along the axial direction of the left smoke guide straight pipe, and the interior of each hot smoke guide hole is communicated with the hot smoke guide channel; the outer wall of the left smoke guide straight pipe is distributed with a plurality of groups of rectangular disturbance blades, each group of rectangular disturbance blades is symmetrically distributed on the outer wall of the left smoke guide straight pipe, and the rectangular disturbance blades are distributed in a linear equidistant array along the axial direction of the left smoke guide straight pipe;
the dehydration combustion heat source comprises a cylindrical furnace body in a transverse posture, a cylindrical furnace chamber is arranged in the cylindrical furnace body, a flame burner is further arranged at the left end of the cylindrical furnace body, and a flame nozzle of the flame burner coaxially extends into the left end of the furnace chamber;
the right end of the columnar furnace body is a conical wall, and the tip end of the conical wall is integrally and coaxially connected with a smoke guide straight pipe penetrating cylinder; the left smoke guide straight pipe coaxially extends into the furnace cavity, the outer wall of the right end of the left smoke guide straight pipe is rotatably and tightly connected with the inner wall of a cylinder, through which the smoke guide straight pipe penetrates, of the cylinder through a fourth sealing bearing, and the flow guide cone at the left end of the left smoke guide straight pipe coaxially correspond to the nozzle of the flame nozzle;
an air heating spiral pipe is spirally arranged in the furnace cavity; the cylindrical furnace body is characterized in that a centrifugal supercharging blower is further arranged outside the cylindrical furnace body, an air outlet cylinder of the centrifugal supercharging blower is communicated with the spiral left end of the air heating spiral pipe, and the spiral right end of the air heating spiral pipe is communicated with the hot air transition pipe.
Further, an organic fertilizer conveying channel is formed between the outer wall of the transmission shaft and the inner wall of the dewatering cylinder; a second section of air heating channel is formed between the hollow inner wall of the transmission shaft and the outer wall of the smoke guide straight pipe; the feeding pipe is communicated with the left end of the organic fertilizer conveying channel, and the discharging pipe is communicated with the right end of the organic fertilizer conveying channel; a valve is arranged on the discharge pipe; the inner wall of the left end of the dewatering cylinder is in rotating tight fit connection with the outer wall of the transmission shaft close to the left end through a first sealing bearing and a second sealing bearing which are arranged at intervals, and an air inlet cavity is formed between the first sealing bearing and the second sealing bearing; the air outlet of the hot air transition pipe is communicated with the air inlet cavity; the inner wall of the right end of the dewatering cylinder is connected with the outer wall of the shaft, close to the right end, of the transmission shaft in a rotating and tight fit mode through a third sealing bearing; a synchronous wheel is synchronously arranged at the right end of the transmission shaft, and a synchronous belt driving mechanism can drive the synchronous wheel to rotate through a synchronous belt; also comprises a spiral hollow transmission blade which is spirally coiled; the root part of the spiral inner edge of the spiral hollow transmission blade is integrally connected with the outer wall of the smoke guide straight pipe; the spiral outer edge of the spiral hollow transmission blade is in clearance fit with the inner wall of the dewatering cylinder; the spiral waist part of the spiral hollow transmission blade is integrally connected with the wall body of the transmission shaft; the spiral hollow transmission blade is of a thin-wall structure with a hollow inner part, and the hollow part in the spiral hollow transmission blade forms a spiral strip-shaped smoke guide heat exchange channel; the inner wall of the cold smoke discharge channel is provided with a plurality of right smoke guide holes, and the right ends of the cold smoke discharge channel and the smoke guide heat exchange channel are mutually communicated through the right smoke guide holes; the inner wall of the hot smoke leading-in channel is provided with a plurality of left smoke guide holes, and the left ends of the hot smoke leading-in channel and the smoke guide heat exchange channel are communicated with each other through the left smoke guide holes; the spiral hollow transmission blade positioned between the transmission shaft and the smoke guide straight pipe divides the second section of air heating channel into spiral channels; a plurality of air introduction holes are formed in the inner wall of the left end of the air second-section heating channel, and the left end of the air second-section heating channel is communicated with the air inlet cavity through the air introduction holes; and a plurality of air outlet holes are formed in the inner wall of the right end of the air second section heating channel, and the right end of the air second section heating channel is communicated with the right end of the machine fertilizer conveying channel through the air outlet holes.
Further, the method for the efficient preparation system of the organic fertilizer specifically comprises the following steps:
the working method of the dehydration combustion heat source comprises the following steps: starting the flame burner, further enabling the flame nozzle to continuously jet combustion flame, and under the drainage action of the drainage cone, expanding the flame sprayed out from the flame nozzle into the furnace chamber in a horn shape; the synchronous wheel motor is started at the moment, the synchronous wheel motor drives the synchronous wheel to continuously rotate through the synchronous belt, so that the smoke guide straight pipes rotate together, the left smoke guide straight pipe is in a continuous rotation running state, the rotation of the left smoke guide straight pipe drives each rectangular disturbance blade to generate continuous disturbance in the furnace chamber, flame gas in the furnace chamber is fully dispersed, and the air heating spiral pipe is uniformly heated by the flame gas; starting the centrifugal booster blower, enabling the air heating spiral pipe to continuously flow through the booster air, enabling the booster air flowing through the air heating spiral pipe to be continuously heated by the first section of flame gas in the furnace cavity, and continuously guiding the heated hollow core in the air heating spiral pipe into the hot air transition pipe to realize the feeding of high-temperature air; meanwhile, high-temperature smoke generated by combustion flame in the furnace cavity is continuously led into the hot smoke leading-in channel through the plurality of hot smoke leading-in holes under the action of the air pressure of the furnace cavity, so that hot smoke supply is realized.
Has the advantages that: the high-temperature flue gas indirectly heats the organic fertilizer through the spiral hollow transmission blade, is not directly contacted with the organic fertilizer, effectively prevents the moisture in the flue gas from condensing when encountering the organic fertilizer with relatively low temperature, and further reduces the dehydration efficiency; meanwhile, the pollution of harmful gas in the smoke is also avoided; the rotation of left side lead cigarette straight tube drives each rectangle disturbance blade and produces lasting disturbance in to the furnace chamber, and then makes the gaseous intensive dispersion of flame in the furnace chamber, and then makes the air heating spiral pipe evenly receive the heating of flame gas.
Drawings
FIG. 1 is a schematic diagram of the overall system of the apparatus;
FIG. 2 is a schematic sectional view of the dewatering cylinder in combination with a dewatering combustion heat source;
FIG. 3 is a schematic perspective cut-away view of a dehydration combustion heat source;
FIG. 4 is a schematic structural view of a transmission shaft and a smoke guide straight pipe;
FIG. 5 is a schematic front sectional view of a dehydration combustion heat source;
FIG. 6 is an enlarged partial schematic view of FIG. 5 at 84;
FIG. 7 is an enlarged fragmentary view at 25 of FIG. 5;
FIG. 8 is a schematic front sectional view of the dewatering cylinder;
FIG. 9 is an enlarged fragmentary view at 26 of FIG. 8;
fig. 10 is an enlarged partial schematic view of fig. 8 at 27.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The system for efficiently preparing the organic fertilizer shown in the attached fig. 1 to 10 comprises an organic fertilizer mixing device 81, a dewatering cylinder 16, a dewatering combustion heat source 72 and an organic fertilizer cooling device 83; the discharge end of the organic fertilizer mixing device 81 corresponds to the upper part of a feeding funnel 82 of the dewatering cylinder 16, and the feeding funnel 82 corresponds to the feeding pipe 17 at the left end of the dewatering cylinder 16; a discharge pipe 20 at the right end of the dewatering cylinder 16 is correspondingly connected with the feed end of the organic fertilizer cooling device 83;
the smoke discharge end of the dehydration combustion heat source 72 is connected with the hot smoke introduction end in the dehydration cylinder 16; the high-temperature air discharge end of the dehydration combustion heat source 72 is connected with the hot air introduction end in the dehydration cylinder 16 through a hot air transition pipe 13.
A transmission shaft 7 is arranged in the barrel of the dewatering barrel 16 in a rotating manner coaxially, the transmission shaft 7 is of a hollow structure, a smoke guide straight pipe 6 is fixedly arranged coaxially in a hollow cylindrical cavity in the transmission shaft 7, two ends of the smoke guide straight pipe 6 penetrate out from two ends of the transmission shaft 7, and one section of the smoke guide straight pipe 6 penetrating out of the left end of the transmission shaft 7 is a left smoke guide straight pipe 6.1; a plugging body 15 is arranged in the pipe of the smoke guide straight pipe 6 positioned in the transmission shaft 7; the hot smoke introducing channel 3 is arranged on the left side of the blocking body 15, the cold smoke discharging channel 14 is arranged on the right end of the blocking body 15, and the cold smoke discharging port 23 is arranged on the right end of the cold smoke discharging channel 14;
the left end of the left smoke guide straight pipe 6.1 is provided with a drainage cone 78 with the tip facing left, the pipe wall of the left smoke guide straight pipe 6.1 is hollowed to be provided with a plurality of hot smoke guide holes 74, the plurality of hot smoke guide holes 74 are distributed in a linear equidistant array along the axial direction of the left smoke guide straight pipe 6.1, and the interior of each hot smoke guide hole 74 is communicated with the hot smoke guide channel 3; a plurality of groups of rectangular disturbance blades 77 are distributed on the outer wall of the left smoke guide straight pipe 6.1, each group of rectangular disturbance blades 77 are symmetrically distributed on the outer wall of the left smoke guide straight pipe 6.1, and the plurality of groups of rectangular disturbance blades 77 are distributed in a linear equidistant array along the axial direction of the left smoke guide straight pipe 6.1;
the dehydration combustion heat source 72 comprises a cylindrical furnace body 110 with a transverse posture, a cylindrical furnace chamber 76 is arranged in the cylindrical furnace body 110, a flame burner 70 is also arranged at the left end of the cylindrical furnace body 110, and a flame nozzle 79 of the flame burner 70 coaxially extends into the left end of the furnace chamber 76;
the right end of the columnar furnace body 110 is a conical wall 88, and the tip end of the conical wall 88 is integrally and coaxially connected with a smoke guide straight pipe penetrating cylinder 89; the left smoke guide straight pipe 6.1 coaxially extends into the furnace chamber 76, the outer wall of the right end of the left smoke guide straight pipe 6.1 is rotatably and tightly matched and connected with the inner wall of a cylinder 89 through which the smoke guide straight pipe penetrates through by a fourth sealing bearing 90, and the drainage cone 78 at the left end of the left smoke guide straight pipe 6.1 coaxially corresponds to the nozzle of the flame nozzle 79;
an air heating spiral pipe 73 is spirally and spirally arranged in the furnace chamber 76; the outside of the cylindrical furnace body 110 is further provided with a centrifugal booster blower 86, an air outlet cylinder 87 of the centrifugal booster blower 86 is communicated with the spiral left end of the air heating spiral pipe 73, and the spiral right end of the air heating spiral pipe 73 is communicated with the hot air transition pipe 13.
An organic fertilizer conveying channel 1 is formed between the outer wall of the transmission shaft 7 and the inner wall of the dewatering cylinder 16; an air second-section heating channel 2 is formed between the hollow inner wall of the transmission shaft 7 and the outer wall of the smoke guide straight pipe 6; the feeding pipe 17 is communicated with the left end of the organic fertilizer conveying channel 1, and the discharging pipe 20 is communicated with the right end of the organic fertilizer conveying channel 1; a valve 28 is arranged on the discharge pipe 20; the inner wall of the left end of the dewatering cylinder 16 is connected with the outer wall of the shaft close to the left end of the transmission shaft 7 in a rotating tight fit mode through a first sealing bearing 12 and a second sealing bearing 9 which are arranged at intervals, and an air inlet cavity 11 is formed between the first sealing bearing 12 and the second sealing bearing 9; the air outlet of the hot air transition pipe 13 is communicated with the air inlet cavity 11; the inner wall of the right end of the dewatering cylinder 16 is rotatably and tightly matched and connected with the outer wall of the transmission shaft 7 close to the right end through a third sealing bearing 18; a synchronous wheel 19 is synchronously arranged at the right end of the transmission shaft 7, and a synchronous belt driving mechanism can drive the synchronous wheel 19 to rotate through a synchronous belt; also comprises a spiral hollow transmission blade 8 which is spirally coiled; the root part of the spiral inner edge of the spiral hollow transmission blade 8 is integrally connected with the outer wall of the smoke guide straight pipe 6; the spiral outer edge of the spiral hollow transmission blade 8 is in clearance fit with the inner wall of the dewatering cylinder 16; the spiral waist part of the spiral hollow transmission blade 8 is integrally connected with the wall body of the transmission shaft 7; the spiral hollow transmission blade 8 is of a hollow thin-wall structure, and the hollow part in the spiral hollow transmission blade 8 forms a spiral strip-shaped smoke guide heat exchange channel 4; the inner wall of the cold smoke discharge channel 14 is provided with a plurality of right smoke guide holes 21, and the right ends of the cold smoke discharge channel 14 and the smoke guide heat exchange channel 4 are communicated with each other through the right smoke guide holes 21; the inner wall of the hot smoke leading-in channel 3 is provided with a plurality of left smoke guide holes 5, and the left ends of the hot smoke leading-in channel 3 and the smoke guide heat exchange channel 4 are communicated with each other through the left smoke guide holes 5; the spiral hollow transmission blade 8 positioned between the transmission shaft 7 and the smoke guide straight pipe 6 divides the air second section heating channel 2 into spiral channels; a plurality of air inlet holes 10 are formed in the inner wall of the left end of the air second-section heating channel 2, and the left end of the air second-section heating channel 2 is communicated with the air inlet cavity 11 through the air inlet holes 10; a plurality of air outlet holes 22 are formed in the inner wall of the right end of the air second-stage heating channel 2, and the right end of the air second-stage heating channel 2 is communicated with the right end of the machine fertilizer conveying channel 1 through the air outlet holes 22.
The whole process, method and technical progress of the scheme are as follows:
working method of dehydration combustion heat source 72:
starting the flame burner 70, further leading the flame nozzle 79 to continuously jet combustion flame, and under the drainage action of the drainage cone 78, the flame jetted from the flame nozzle 79 expands into the furnace chamber 76 in a trumpet shape; at the moment, a synchronous wheel motor is started, the synchronous wheel motor drives a synchronous wheel 19 to continuously rotate through a synchronous belt, so that the smoke guide straight pipe 6 rotates together, the left smoke guide straight pipe 6.1 is in a continuous rotation running state, the rotation of the left smoke guide straight pipe 6.1 drives each rectangular disturbance blade 77 to generate continuous disturbance in the furnace chamber 76, further, flame gas in the furnace chamber 76 is fully dispersed, and further, the air heating spiral pipe 73 is uniformly heated by the flame gas; at this time, the centrifugal booster blower 86 is started, so that the booster air continuously flows through the air heating spiral pipe 73, the booster air continuously flowing through the air heating spiral pipe 73 is continuously heated by the first section of the flame gas in the furnace chamber 76, and the air heated in the air heating spiral pipe 73 is continuously introduced into the hot air transition pipe 13, so that the feeding of the high-temperature air is realized; meanwhile, high-temperature flue gas generated by the combustion flame in the furnace chamber 76 is continuously introduced into the hot flue gas introduction passage 3 through the plurality of hot flue gas introduction holes 74 under the action of the furnace chamber air pressure, so that hot flue gas supply is realized.
The dehydration of the dehydration cylinder comprises the following specific steps and processes:
step one, a valve 28 on a discharge pipe 20 is closed, a synchronous wheel motor is started, the synchronous wheel motor drives a synchronous wheel 19 to continuously rotate in the forward direction through a synchronous belt, a transmission shaft 7, a spiral hollow transmission blade 8 and a smoke guide straight pipe 6 rotate together, then wet organic fertilizers mixed well by an organic fertilizer mixing device 81 are discharged to a feed pipe 17 and are led into an organic fertilizer conveying channel 1, the wet organic fertilizers entering the organic fertilizer conveying channel 1 are gradually pushed to the right to roll under the continuous stirring and propelling action of the spiral hollow transmission blade 8, and when the wet organic fertilizers are dispersed in the whole organic fertilizer conveying channel 1, the wet organic fertilizers are temporarily led into the feed pipe 17;
step two, controlling a synchronous wheel motor to periodically rotate in a positive and negative intermittent mode, further enabling the spiral hollow transmission blades 8 to continuously and intermittently rotate in a positive and negative mode, further enabling wet organic fertilizers in the organic fertilizer conveying channel 1 to be in a continuous stirring and rolling state, enabling the organic fertilizers in the organic fertilizer conveying channel 1 to be continuously fluffy and breathable, and continuing the stirring and rolling state in the organic fertilizer conveying channel 1 to step four;
thirdly, the dehydration combustion heat source 72 starts to operate, high-temperature flue gas generated by combustion flame in the furnace chamber 76 is continuously led into the hot flue gas leading-in channel 3 through a plurality of hot flue gas leading-in holes 74 under the action of the air pressure of the furnace chamber, the high-temperature flue gas in the hot flue gas leading-in channel 3 is continuously led into the spiral left end of the flue gas leading-out heat exchange channel 4 through a plurality of left flue gas leading-in holes 5, the high-temperature flue gas in the flue gas leading-out heat exchange channel 4 continuously flows along the spiral right direction of the spiral hollow transmission blades 8 until the flue gas at the right end of the flue gas leading-out heat exchange channel 4 is continuously led out to the cold flue gas discharging channel 14 through a plurality of right flue gas leading-out holes 21, and the flue gas continuously led out to the cold flue gas discharging channel 14 is discharged through the; in the process, high-temperature smoke continuously flows through the smoke guide and heat exchange channel 4, and the spiral hollow transmission blade 8 with the thin-wall hollow structure is in a continuous high-temperature state under the action of heat conduction; the wet organic fertilizer in the organic fertilizer conveying channel 1 is continuously heated by the wall body of the spiral hollow conveying blade 8 under the condition that the wet organic fertilizer is continuously stirred and rolled, so that the wet organic fertilizer in the organic fertilizer conveying channel 1 is continuously heated, the water volatilization phenomenon occurs, and water vapor is formed in the organic fertilizer conveying channel 1;
because the spiral hollow transmission blade 8 positioned between the transmission shaft 7 and the smoke guide straight pipe 6 divides the air second section heating channel 2 into spiral channels, part of heat on the spiral hollow transmission blade 8 can be also conducted into the spiral channels formed in the air second section heating channel 2, and then the gas flowing through the spiral channels formed in the air second section heating channel 2 is heated;
step four, heated air in the air heating spiral pipe 73 is continuously led into the hot air transition pipe 13, pressurized hot air which is heated for the first time is continuously injected into the air inlet cavity 11 by the hot air transition pipe 13, at the moment, the pressurized air in the air inlet cavity 11 is continuously led into the left end of the second air section heating channel 2 through the plurality of air leading-in holes 10, air in a spiral channel formed in the second air section heating channel 2 continuously flows in a spiral manner in the right direction under the action of air pressure, then the air at the right end of the second air section heating channel 2 is continuously led out to the right end of the organic fertilizer conveying channel 1 through the plurality of air leading-out holes 22 under the action of the air pressure, the air entering the right end of the organic fertilizer conveying channel 1 continuously flows in the left direction under the action of the air pressure, and finally the organic fertilizer is discharged out of the;
the air is heated for the second time by the spiral hollow transmission blades 8 between the transmission shaft 7 and the smoke guide straight pipe 6 in the process that the air continuously flows through the second section heating channel 2 in a spiral shape, so that the air guided out to the right end of the organic fertilizer conveying channel 1 through the plurality of air guide holes 22 is air which is heated for two times, and the heated air effectively prevents the phenomenon that water vapor in the organic fertilizer conveying channel 1 is condensed; in the process that the hot air continuously flows through the organic fertilizer conveying channel 1 leftwards, steam formed in the organic fertilizer conveying channel 1 in the third step is continuously taken away, meanwhile, the continuously flowing gas also promotes the evaporation of water in the organic fertilizer conveying channel 1, and further promotes the dehydration process in the organic fertilizer conveying channel 1; until the wet organic fertilizer in the organic fertilizer conveying channel 1 is dehydrated into dry organic fertilizer;
and step five, opening a valve 28 on the discharge pipe 20 to enable the discharge pipe 20 to be in a smooth state, then driving a synchronous wheel 19 to continuously rotate in the forward direction through a synchronous belt by a synchronous wheel motor, further gradually pushing dry organic fertilizers in the organic fertilizer conveying channel 1 to the right under the continuous stirring and pushing action of the spiral hollow conveying blades 8, and finally discharging the dry organic fertilizers to a machine fertilizer cooling device 83 through the discharge pipe 20 for cooling.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (2)
1. High-efficient preparation system of fertilizer, its characterized in that: comprises an organic fertilizer mixing device (81), a dewatering cylinder (16), a dewatering combustion heat source (72) and an organic fertilizer cooling device (83); the discharge end of the organic fertilizer mixing device (81) corresponds to the upper part of a feeding funnel (82) of the dewatering cylinder (16), and the feeding funnel (82) corresponds to a feeding pipe (17) at the left end of the dewatering cylinder (16); a discharge pipe (20) at the right end of the dewatering cylinder (16) is correspondingly connected with the feed end of the organic fertilizer cooling device (83);
the smoke discharge end of the dehydration combustion heat source (72) is connected with the hot smoke introduction end in the dehydration cylinder (16); the high-temperature air discharge end of the dehydration combustion heat source (72) is connected with the hot air introduction end in the dehydration cylinder (16) through a hot air transition pipe (13);
a transmission shaft (7) is arranged in the barrel of the dewatering barrel (16) in a rotating manner with the same axis, the inside of the transmission shaft (7) is of a hollow structure, a smoke guide straight pipe (6) is fixedly arranged in a hollow cylindrical cavity in the transmission shaft (7) with the same axis, two ends of the smoke guide straight pipe (6) penetrate out from two ends of the transmission shaft (7), and one section of the smoke guide straight pipe (6) penetrating out of the left end of the transmission shaft (7) is a left smoke guide straight pipe (6.1); a plugging body (15) is arranged in the pipe of the smoke guide straight pipe (6) positioned in the transmission shaft (7); the hot smoke introducing channel (3) is arranged on the left side of the blocking body (15), the cold smoke discharging channel (14) is arranged at the right end of the blocking body (15), and the cold smoke discharging port (23) is arranged at the right end of the cold smoke discharging channel (14);
the left end of the left smoke guide straight pipe (6.1) is provided with a drainage cone (78) with the tip end facing left, the pipe wall of the left smoke guide straight pipe (6.1) is provided with a plurality of hot smoke guide holes (74) in a hollow mode, the plurality of hot smoke guide holes (74) are distributed in a linear equidistant array mode along the axial direction of the left smoke guide straight pipe (6.1), and the interior of each hot smoke guide hole (74) is communicated with the hot smoke guide channel (3); a plurality of groups of rectangular disturbance blades (77) are distributed on the outer wall of the left smoke guide straight pipe (6.1), each group of rectangular disturbance blades (77) are symmetrically distributed on the outer wall of the left smoke guide straight pipe (6.1), and the plurality of groups of rectangular disturbance blades (77) are distributed in a linear equidistant array along the axial direction of the left smoke guide straight pipe (6.1);
the dehydration combustion heat source (72) comprises a cylindrical furnace body (110) in a transverse posture, a cylindrical furnace chamber (76) is arranged in the cylindrical furnace body (110), a flame burner (70) is further arranged at the left end of the cylindrical furnace body (110), and a flame nozzle (79) of the flame burner (70) coaxially extends into the left end of the furnace chamber (76);
the right end of the columnar furnace body (110) is a conical wall (88), and the tip end of the conical wall (88) is integrally and coaxially connected with a smoke guide straight pipe penetrating cylinder (89); the left smoke guide straight pipe (6.1) coaxially extends into the furnace chamber (76), the outer wall of the right end of the left smoke guide straight pipe (6.1) is rotatably and tightly matched and connected with the inner wall of a cylinder (89) through a fourth sealing bearing (90), and the drainage cone (78) at the left end of the left smoke guide straight pipe (6.1) coaxially corresponds to the nozzle of the flame nozzle (79);
an air heating spiral pipe (73) is spirally and spirally arranged in the furnace chamber (76); a centrifugal booster blower (86) is further arranged outside the columnar furnace body (110), an air outlet cylinder (87) of the centrifugal booster blower (86) is communicated with the spiral left end of the air heating spiral pipe (73), and the spiral right end of the air heating spiral pipe (73) is communicated with the hot air transition pipe (13);
an organic fertilizer conveying channel (1) is formed between the outer wall of the transmission shaft (7) and the inner wall of the dewatering cylinder (16); a second section of air heating channel (2) is formed between the hollow inner wall of the transmission shaft (7) and the outer wall of the smoke guide straight pipe (6); the feeding pipe (17) is communicated with the left end of the organic fertilizer conveying channel (1), and the discharging pipe (20) is communicated with the right end of the organic fertilizer conveying channel (1); a valve (28) is arranged on the discharge pipe (20); the inner wall of the left end of the dewatering cylinder (16) is in rotating tight fit connection with the outer wall of the shaft close to the left end of the transmission shaft (7) through a first sealing bearing (12) and a second sealing bearing (9) which are arranged at intervals, and an air inlet cavity (11) is formed between the first sealing bearing (12) and the second sealing bearing (9); the air outlet of the hot air transition pipe (13) is communicated with the air inlet cavity (11); the inner wall of the right end of the dewatering cylinder (16) is in rotating tight fit connection with the outer wall of the transmission shaft (7) close to the right end through a third sealing bearing (18); a synchronous wheel (19) is synchronously arranged at the right end of the transmission shaft (7), and a synchronous belt driving mechanism can drive the synchronous wheel (19) to rotate through a synchronous belt; also comprises a spiral hollow transmission blade (8) which is spirally wound; the root part of the spiral inner edge of the spiral hollow transmission blade (8) is integrally connected with the outer wall of the smoke guide straight pipe (6); the spiral outer edge of the spiral hollow transmission blade (8) is in clearance fit with the inner wall of the dewatering cylinder (16); the spiral waist part of the spiral hollow transmission blade (8) is integrally connected with the wall body of the transmission shaft (7); the spiral hollow transmission blade (8) is of a hollow thin-wall structure, and the hollow part in the spiral hollow transmission blade (8) forms a spiral strip-shaped smoke guide heat exchange channel (4); the inner wall of the cold smoke discharge channel (14) is provided with a plurality of right smoke guide holes (21), and the right ends of the cold smoke discharge channel (14) and the smoke guide heat exchange channel (4) are communicated with each other through the right smoke guide holes (21); the inner wall of the hot smoke guide channel (3) is provided with a plurality of left smoke guide holes (5), and the left ends of the hot smoke guide channel (3) and the smoke guide heat exchange channel (4) are communicated with each other through the left smoke guide holes (5); the spiral hollow transmission blade (8) positioned between the transmission shaft (7) and the smoke guide straight pipe (6) divides the air second section heating channel (2) into spiral channels; a plurality of air introduction holes (10) are formed in the inner wall of the left end of the air second-section heating channel (2), and the left end of the air second-section heating channel (2) is communicated with the air inlet cavity (11) through the air introduction holes (10); a plurality of air outlet holes (22) are formed in the inner wall of the right end of the air second-stage heating channel (2), and the right end of the air second-stage heating channel (2) is communicated with the right end of the machine fertilizer conveying channel (1) through the air outlet holes (22).
2. The method of the efficient preparation system of organic fertilizer as claimed in claim 1, characterized in that:
the working method of the dehydration combustion heat source (72) comprises the following steps: starting the flame burner (70), further leading the flame nozzle (79) to continuously jet combustion flame, and under the drainage action of the drainage cone (78), expanding the flame sprayed out from the flame nozzle (79) into the furnace chamber (76) in a trumpet shape; the synchronous wheel motor is started at the moment, the synchronous wheel motor drives the synchronous wheel (19) to continuously rotate through the synchronous belt, the smoke guide straight pipes (6) rotate together, the left smoke guide straight pipe (6.1) is in a continuous rotating running state, the rotation of the left smoke guide straight pipe (6.1) drives each rectangular disturbance blade (77) to generate continuous disturbance in the furnace chamber (76), and further flame gas in the furnace chamber (76) is fully dispersed, and the air heating spiral pipe (73) is uniformly heated by the flame gas; starting a centrifugal booster blower (86) to enable the air heating spiral pipe (73) to continuously flow the booster air, the booster air flowing through the air heating spiral pipe (73) is continuously heated by the first section of flame gas in the furnace chamber (76), the heated hollow in the air heating spiral pipe (73) is continuously led into the hot air transition pipe (13), and the feeding of high-temperature air is further realized; meanwhile, high-temperature flue gas generated by combustion flame in the furnace chamber (76) is continuously introduced into the hot flue gas introduction channel (3) through a plurality of hot flue gas introduction holes (74) under the action of the air pressure of the furnace chamber, so that hot flue gas supply is realized.
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