CN109780847B - Organic fertilizer preparation equipment and preparation process method thereof - Google Patents
Organic fertilizer preparation equipment and preparation process method thereof Download PDFInfo
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- CN109780847B CN109780847B CN201910120807.1A CN201910120807A CN109780847B CN 109780847 B CN109780847 B CN 109780847B CN 201910120807 A CN201910120807 A CN 201910120807A CN 109780847 B CN109780847 B CN 109780847B
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Abstract
The invention discloses organic fertilizer preparation equipment which comprises an organic fertilizer conveying outer barrel which is transversely and fixedly arranged, wherein the upper part of the left side of the organic fertilizer conveying outer barrel is connected with a wet fertilizer feeding pipe, the lower part of the right side of the organic fertilizer conveying outer barrel is connected with a dry fertilizer discharging pipe, and a valve is arranged on the dry fertilizer discharging pipe; the boiler waste gas is not directly contacted with the organic fertilizer, but the organic fertilizer is indirectly heated by the transmission blades to promote dehydration, so that harmful gas in the boiler waste gas can not pollute the organic fertilizer; the air is heated by the auger conveying heat exchange blades between the hollow rotating shaft and the air guide pipe in the process that the air continuously flows through the air heating channel in a spiral shape, so that the air guided out to the right end of the organic fertilizer conveying channel through the plurality of air guide-out holes is heated air, and the heated air effectively prevents the phenomenon that water vapor in the organic fertilizer conveying channel is condensed.
Description
Technical Field
The invention belongs to the field of organic fertilizer preparation.
Background
Current fertilizer dehydration often lasts leading-in high temperature boiler waste gas in the dehydration cylinder, utilizes the hot waste gas of waste gas to toast the wet fertilizer in the cylinder, and then has realized the purpose of dehydration, but still often contains harmful gas such as sulfur dioxide among the boiler waste 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 organic fertilizer preparation equipment and a preparation process method thereof, which avoid waste gas pollution.
The technical scheme is as follows: in order to achieve the purpose, the organic fertilizer preparation equipment comprises an organic fertilizer conveying outer barrel which is transversely and fixedly arranged, wherein the upper part of the left side of the organic fertilizer conveying outer barrel is connected with a wet fertilizer feeding pipe, the lower part of the right side of the organic fertilizer conveying outer barrel is connected with a dry fertilizer discharging pipe, and a valve is arranged on the dry fertilizer discharging pipe.
Further, a hollow rotating shaft is coaxially arranged in the organic fertilizer conveying outer barrel, an organic fertilizer conveying channel is formed between the outer wall of the hollow rotating shaft and the inner wall of the organic fertilizer conveying outer barrel, the wet fertilizer feeding pipe is communicated with the left end of the organic fertilizer conveying channel, and the dry fertilizer discharging pipe is communicated with the right end of the organic fertilizer conveying channel;
the inner wall of the left end of the organic fertilizer transmission outer barrel is in rotating tight fit connection with the outer wall of the hollow rotating 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; a booster fan is further arranged outside the organic fertilizer conveying outer barrel, and an air outlet barrel of the booster fan is communicated with the air inlet cavity; the inner wall of the right end of the organic fertilizer transmission outer barrel is connected with the outer wall of the hollow rotating shaft close to the right end in a rotating and tight fit mode through a third sealing bearing; the right-hand member of hollow rotating shaft is provided with the synchronizing wheel in step, and hold-in range actuating mechanism can pass through the hold-in range drive the synchronizing wheel is rotatory.
Furthermore, the hollow rotating shaft is of a hollow column structure, a column cavity inside the hollow rotating shaft is coaxially provided with an air duct, and two ends of the air duct penetrate out of two ends of the hollow rotating shaft; a blocking object is integrally arranged in the middle of the tube of the air duct; the left end of the plugging object is a hot waste gas channel, and the right end of the plugging object is a cold waste gas channel; the right end of the cold waste gas channel is a cold waste gas exhaust port, and the left end of the hot waste gas channel is a hot waste gas inlet port; an air heating channel is formed between the inner wall of the hollow rotating shaft and the outer wall of the air guide pipe.
Further, the spiral heat exchanger also comprises auger transmission heat exchange blades which are spirally wound; the root part of the spiral inner edge of the auger transmission heat exchange blade is integrally connected with the outer wall of the gas guide pipe; the spiral outer edge of the auger conveying heat exchange blade is in clearance fit with the inner wall of the organic fertilizer conveying outer cylinder; the spiral waist part of the auger transmission heat exchange blade is integrally connected with the wall body of the hollow rotating shaft; the packing auger transmission heat exchange blade is of a hollow thin-wall structure, and the hollow part in the packing auger transmission heat exchange blade forms a spiral strip-shaped waste gas heat exchange guide channel; the inner wall of the cold waste gas channel is provided with a plurality of right waste gas guide holes, and the right ends of the cold waste gas channel and the waste gas guide heat exchange channel are communicated with each other through the right waste gas guide holes; the inner wall of the hot waste gas channel is provided with a plurality of left waste gas guide holes, and the left ends of the hot waste gas channel and the waste gas guide heat exchange channel are communicated with each other through the left waste gas guide holes;
the auger transmission heat exchange blade positioned between the hollow rotating shaft and the air guide pipe divides the 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 heating channel, and the left end of the air heating channel is communicated with the air inlet cavity through the air introduction holes; a plurality of air outlet holes are formed in the inner wall of the right end of the air heating channel, and the right end of the air heating channel is communicated with the right end of the machine fertilizer conveying channel through the air outlet holes;
further, a method of organic fertilizer preparation equipment comprises the following steps:
step one, closing a valve on a dry fertilizer discharging pipe, enabling the dry fertilizer discharging pipe to be in a blocking state, starting a synchronous wheel motor, enabling the synchronous wheel motor to drive a synchronous wheel to continuously rotate in a forward direction through a synchronous belt, further enabling a hollow rotating shaft, an auger conveying heat exchange blade and an air guide pipe to rotate together, then guiding wet organic fertilizer into an organic fertilizer conveying channel through a wet fertilizer feeding pipe, gradually pushing the wet organic fertilizer into the organic fertilizer conveying channel to roll rightwards under the continuous stirring and propelling action of the auger conveying heat exchange blade, and suspending the introduction of the wet organic fertilizer into the wet fertilizer feeding pipe until the wet organic fertilizer is dispersed in the whole organic fertilizer conveying channel;
step two, controlling a synchronous wheel motor to periodically rotate in a positive and negative intermittent mode, further enabling the auger conveying heat exchange blades to continuously and intermittently rotate in a positive and negative mode, further enabling wet organic fertilizers in the organic fertilizer conveying channel to be in a continuous stirring and rolling state, enabling the organic fertilizers in the organic fertilizer conveying channel to be continuously fluffy and breathable, and enabling the stirring and rolling state in the organic fertilizer conveying channel to continue to the step four;
step three, continuously introducing high-temperature boiler waste gas into a hot waste gas inlet and outlet at the left end of the gas guide pipe, continuously introducing the boiler waste gas into the hot waste gas channel, continuously introducing the high-temperature waste gas in the hot waste gas channel into the spiral left end of the waste gas guide heat exchange channel through a plurality of left waste gas guide holes, continuously flowing the high-temperature boiler waste gas in the waste gas guide heat exchange channel rightwards along the spiral of the auger conveying heat exchange blade, continuously guiding the boiler waste gas at the right end of the waste gas guide heat exchange channel into a cold waste gas channel through a plurality of right waste gas guide holes, and continuously discharging the boiler waste gas guided into the cold waste gas channel through a cold waste gas exhaust and waste gas outlet at the right end of the gas guide pipe; in the process, high-temperature boiler waste gas continuously flows through the waste gas guide heat exchange channel, and the auger transmission heat exchange blade with the thin-wall hollow structure is in a continuous high-temperature state under the action of heat conduction; the wall body of the auger conveying heat exchange blade is continuously heated under the condition that the wet organic fertilizer in the organic fertilizer conveying channel is continuously stirred and rolled, so that the temperature of the wet organic fertilizer in the organic fertilizer conveying channel is continuously increased, the water volatilization phenomenon is generated, and water vapor is formed in the organic fertilizer conveying channel;
the auger transmission heat exchange blade positioned between the hollow rotating shaft and the air guide pipe divides the air heating channel into spiral channels, so that part of heat on the auger transmission heat exchange blade can be also conducted to the spiral channel formed in the air heating channel, and further, the gas flowing through the spiral channel formed in the air heating channel is heated;
step four, starting a booster fan, so that the air outlet cylinder continuously injects booster air into the air inlet cavity, the booster air in the air inlet cavity is continuously guided into the left end of the air heating channel through the plurality of air guide holes, the air in the spiral channel formed in the air heating channel continuously performs spiral flow in the right direction under the action of air pressure, the air at the right end of the air heating channel is continuously guided out to the right end of the organic fertilizer conveying channel through the plurality of air guide holes under the action of the air pressure, the air entering the right end of the organic fertilizer conveying channel continuously flows in the left direction under the action of the air pressure, and finally the organic fertilizer is discharged out of the outside through the wet fertilizer feeding pipe;
the air is heated by the auger conveying heat exchange blades between the hollow rotating shaft and the air guide pipe in the process that the air continuously flows through the air heating channel in a spiral shape, so that the air guided out to the right end of the organic fertilizer conveying channel through the plurality of air guide-out holes is heated air, and the heated air effectively prevents the phenomenon that water vapor in the organic fertilizer conveying channel is condensed;
the vapor formed in the organic fertilizer conveying channel in the third step is continuously taken away in the process that the hot air continuously flows through the organic fertilizer conveying channel leftwards, and meanwhile, the continuously flowing gas also promotes the evaporation of water in the organic fertilizer conveying channel, so that the dehydration process in the organic fertilizer conveying channel is promoted; until the wet organic fertilizer in the organic fertilizer conveying channel is dehydrated into dry organic fertilizer;
and step five, opening a valve on the dry fertilizer discharging pipe to enable the dry fertilizer discharging pipe to be in a smooth state, then driving a synchronous wheel to continuously rotate in the forward direction by a synchronous wheel motor through a synchronous belt, further gradually pushing the dry organic fertilizer in the organic fertilizer conveying channel to the right under the continuous stirring and pushing action of the auger conveying heat exchange blades, and finally discharging the dry organic fertilizer through the dry fertilizer discharging pipe to finish the dehydration process of the organic fertilizer.
Has the advantages that: the boiler waste gas is not directly contacted with the organic fertilizer, but the organic fertilizer is indirectly heated by the transmission blades to promote dehydration, so that harmful gas in the boiler waste gas can not pollute the organic fertilizer; the air is heated by the auger conveying heat exchange blades between the hollow rotating shaft and the air guide pipe in the process that the air continuously flows through the air heating channel in a spiral shape, so that the air guided out to the right end of the organic fertilizer conveying channel through the plurality of air guide-out holes is heated air, and the heated air effectively prevents the phenomenon that water vapor in the organic fertilizer conveying channel is condensed.
Drawings
FIG. 1 is a schematic view of the overall structure of the device;
FIG. 2 is an overall perspective cross-sectional view of the present device;
FIG. 3 is a schematic structural view of a hollow rotating shaft;
FIG. 4 is a schematic overall front sectional view of the apparatus;
FIG. 5 is an enlarged fragmentary view at 25 of FIG. 4;
FIG. 6 is an enlarged fragmentary view at 26 of FIG. 4;
fig. 7 is an enlarged partial schematic view of fig. 4 at 27.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The structure introduction of the scheme is as follows:
the organic fertilizer preparation equipment shown in the attached drawings 1 to 7 comprises an organic fertilizer conveying outer barrel 16 which is transversely and fixedly arranged, wherein a wet fertilizer feeding pipe 17 is connected to the upper portion of the left side of the organic fertilizer conveying outer barrel 16, a dry fertilizer discharging pipe 20 is connected to the lower portion of the right side of the organic fertilizer conveying outer barrel 16, and a valve 28 is arranged on the dry fertilizer discharging pipe 20.
A hollow rotating shaft 7 is coaxially arranged in the organic fertilizer transmission outer barrel 16, an organic fertilizer transmission channel 1 is formed between the outer wall of the hollow rotating shaft 7 and the inner wall of the organic fertilizer transmission outer barrel 16, the wet fertilizer feeding pipe 17 is communicated with the left end of the organic fertilizer transmission channel 1, and the dry fertilizer discharging pipe 20 is communicated with the right end of the organic fertilizer transmission channel 1;
the inner wall of the left end of the organic fertilizer transmission outer barrel 16 is in rotating tight fit connection with the outer wall of the hollow rotating shaft 7 close to the left end 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; a booster fan 29 is further arranged outside the organic fertilizer conveying outer barrel 16, and an air outlet barrel 13 of the booster fan 29 is communicated with the air inlet cavity 11; the inner wall of the right end of the organic fertilizer transmission outer barrel 16 is connected with the outer wall of the hollow rotating shaft 7 close to the right end in a rotating and tight fit mode through a third sealing bearing 18; the right-hand member of hollow rotating shaft 7 is provided with synchronizing wheel 19 in step, and hold-in range actuating mechanism can pass through the hold-in range drive synchronizing wheel 19 is rotatory.
The hollow rotating shaft 7 is of a hollow column structure, a column cavity inside the hollow rotating shaft 7 is coaxially provided with an air duct 6, and two ends of the air duct 6 penetrate out of two ends of the hollow rotating shaft 7; a blocking object 15 is integrally arranged in the middle of the tube of the air duct 6; the left end of the plugging object 15 is a hot waste gas channel 3, and the right end of the plugging object 15 is a cold waste gas channel 14; the right end of the cold waste gas channel 14 is a cold waste gas exhaust port 23, and the left end of the hot waste gas channel 3 is a hot waste gas inlet port 24; an air heating channel 2 is formed between the inner wall of the hollow rotating shaft 7 and the outer wall of the air duct 6.
Also comprises auger transmission heat exchange blades 8 which are spirally wound; the root part of the spiral inner edge of the auger transmission heat exchange blade 8 is integrally connected with the outer wall of the gas guide pipe 6; the spiral outer edge of the auger conveying heat exchange blade 8 is in clearance fit with the inner wall of the organic fertilizer conveying outer barrel 16; the spiral waist part of the auger transmission heat exchange blade 8 is integrally connected with the wall body of the hollow rotating shaft 7; the packing auger transmission heat exchange blade 8 is of a hollow thin-wall structure, and the hollow part in the packing auger transmission heat exchange blade 8 forms a spiral strip-shaped waste gas guide heat exchange channel 4; the inner wall of the cold waste gas channel 14 is provided with a plurality of right waste gas guide holes 21, and the right ends of the cold waste gas channel 14 and the waste gas guide heat exchange channel 4 are communicated with each other through the right waste gas guide holes 21; the inner wall of the hot waste gas channel 3 is provided with a plurality of left waste gas guide holes 5, and the left ends of the hot waste gas channel 3 and the waste gas guide heat exchange channel 4 are communicated with each other through the left waste gas guide holes 5;
the auger transmission heat exchange blade 8 positioned between the hollow rotating shaft 7 and the gas guide tube 6 divides the air 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 heating channel 2, and the left end of the air 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 heating channel 2, and the right end of the air heating channel 2 is communicated with the right end of the machine fertilizer conveying channel 1 through the air outlet holes 22;
the technical method, the process and the technical progress of the scheme are as follows:
step one, closing a valve 28 on a dry fertilizer discharge pipe 20, enabling the dry fertilizer discharge pipe 20 to be in a blocking state, starting a synchronous wheel motor, enabling the synchronous wheel motor to drive a synchronous wheel 19 to continuously rotate in a forward direction through a synchronous belt, further enabling a hollow rotating shaft 7, an auger conveying heat exchange blade 8 and an air duct 6 to rotate together, then leading wet organic fertilizer into an organic fertilizer conveying channel 1 through a wet fertilizer feed pipe 17, gradually pushing the wet organic fertilizer into the organic fertilizer conveying channel 1 to roll rightwards under the continuous stirring and propelling action of the auger conveying heat exchange blade 8, and stopping leading the wet organic fertilizer into the wet fertilizer feed pipe 17 until the wet organic fertilizer is dispersed in the whole organic fertilizer conveying channel 1;
step two, controlling a synchronous wheel motor to periodically rotate in a positive and negative intermittent mode, further enabling the auger conveying heat exchange 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;
step three, continuously introducing high-temperature boiler waste gas into a hot waste gas inlet and outlet port 24 at the left end of a gas guide pipe 6, continuously introducing the boiler waste gas into a hot waste gas channel 3, continuously introducing the high-temperature waste gas in the hot waste gas channel 3 into the spiral left end of a waste gas guide heat exchange channel 4 through a plurality of left waste gas guide holes 5, continuously flowing the high-temperature boiler waste gas in the waste gas guide heat exchange channel 4 rightwards along the spiral of a packing auger conveying heat exchange blade 8, continuously leading the boiler waste gas at the right end of the waste gas guide heat exchange channel 4 out into a cold waste gas channel 14 through a plurality of right waste gas guide holes 21, and continuously leading the boiler waste gas in the cold waste gas channel 14 out through a cold waste gas exhaust and outlet port 23 at the right end of the gas guide pipe; in the process, high-temperature boiler waste gas continuously flows through the waste gas heat exchange channel 4, and the auger conveying heat exchange blade 8 with the thin-wall hollow structure is in a continuous high-temperature state under the action of heat conduction; further, the wet organic fertilizer in the organic fertilizer conveying channel 1 is continuously heated by the wall body of the auger conveying heat exchange blade 8 under the condition of continuous stirring and rolling, 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;
the auger transmission heat exchange blade 8 positioned between the hollow rotating shaft 7 and the air guide pipe 6 divides the air heating channel 2 into spiral channels, so that part of heat on the auger transmission heat exchange blade 8 can be also conducted into the spiral channels formed in the air heating channel 2, and further, the gas flowing through the spiral channels formed in the air heating channel 2 is heated;
step four, starting a booster fan 29, so that the air outlet cylinder 13 continuously injects booster air into the air inlet cavity 11, at the moment, the booster air in the air inlet cavity 11 is continuously introduced into the left end of the air heating channel 2 through the plurality of air introduction holes 10, the air in the spiral channel formed in the air heating channel 2 continuously performs spiral flow in the right direction under the action of air pressure, so that the air at the right end of the air heating channel 2 is continuously led out to the right end of the organic fertilizer conveying channel 1 through the plurality of air guide-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 is finally discharged out of the outside through the wet fertilizer feeding pipe 17 through the organic fertilizer;
the air is heated by the auger conveying heat exchange blades 8 between the hollow rotating shaft 7 and the air guide pipe 6 in the process that the air continuously flows through the air heating channel 2 in a spiral shape, so that the air which is guided out to the right end of the organic fertilizer conveying channel 1 through the plurality of air guide-out holes 22 is heated air, 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 dry fertilizer discharging pipe 20 to enable the dry fertilizer discharging pipe 20 to be in an unblocked 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 the dry organic fertilizer in the organic fertilizer conveying channel 1 to the right under the continuous stirring and pushing action of the auger conveying heat exchange blades 8, and finally discharging the dry organic fertilizer through the dry fertilizer discharging pipe 20 to finish the dehydration process of the organic fertilizer.
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. The utility model provides an organic fertilizer preparation equipment which characterized in that: the device comprises an organic fertilizer conveying outer barrel (16) which is transversely and fixedly arranged, wherein the upper part of the left side of the organic fertilizer conveying outer barrel (16) is connected with a wet fertilizer feeding pipe (17), the lower part of the right side of the organic fertilizer conveying outer barrel (16) is connected with a dry fertilizer discharging pipe (20), and a valve (28) is arranged on the dry fertilizer discharging pipe (20);
a hollow rotating shaft (7) is coaxially arranged in the organic fertilizer transmission outer barrel (16), an organic fertilizer transmission channel (1) is formed between the outer wall of the hollow rotating shaft (7) and the inner wall of the organic fertilizer transmission outer barrel (16), the wet fertilizer feeding pipe (17) is communicated with the left end of the organic fertilizer transmission channel (1), and the dry fertilizer discharging pipe (20) is communicated with the right end of the organic fertilizer transmission channel (1);
the inner wall of the left end of the organic fertilizer transmission outer barrel (16) is in rotating tight fit connection with the outer wall of the hollow rotating shaft (7) close to the left end 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); a booster fan (29) is further arranged outside the organic fertilizer conveying outer cylinder (16), and an air outlet cylinder (13) of the booster fan (29) is communicated with the air inlet cavity (11); the inner wall of the right end of the organic fertilizer transmission outer barrel (16) is in rotating tight fit connection with the outer wall of the hollow rotating 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 hollow rotating shaft (7), and a synchronous belt driving mechanism can drive the synchronous wheel (19) to rotate through a synchronous belt;
the hollow rotating shaft (7) is of a hollow column structure, a column cavity inside the hollow rotating shaft (7) is coaxially provided with an air duct (6), and two ends of the air duct (6) penetrate out of two ends of the hollow rotating shaft (7); a blocking object (15) is integrally arranged in the middle of the air duct (6); the left end of the plugging object (15) is a hot waste gas channel (3), and the right end of the plugging object (15) is a cold waste gas channel (14); the right end of the cold waste gas channel (14) is a cold waste gas exhaust port (23), and the left end of the hot waste gas channel (3) is a hot waste gas inlet port (24); an air heating channel (2) is formed between the inner wall of the hollow rotating shaft (7) and the outer wall of the air guide pipe (6);
also comprises a screw conveyer transmission heat exchange blade (8) which is spirally wound; the root part of the spiral inner edge of the auger transmission heat exchange blade (8) is integrally connected with the outer wall of the gas guide pipe (6); the spiral outer edge of the auger conveying heat exchange blade (8) is in clearance fit with the inner wall of the organic fertilizer conveying outer cylinder (16); the spiral waist part of the auger transmission heat exchange blade (8) is integrally connected with the wall body of the hollow rotating shaft (7); the packing auger transmission heat exchange blade (8) is of a hollow thin-wall structure, and the hollow part in the packing auger transmission heat exchange blade (8) forms a spiral strip-shaped waste gas guide heat exchange channel (4); the inner wall of the cold waste gas channel (14) is provided with a plurality of right waste gas guide holes (21), and the right ends of the cold waste gas channel (14) and the waste gas guide heat exchange channel (4) are communicated with each other through the right waste gas guide holes (21); the inner wall of the hot waste gas channel (3) is provided with a plurality of left waste gas guide holes (5), and the left ends of the hot waste gas channel (3) and the waste gas guide heat exchange channel (4) are communicated with each other through the left waste gas guide holes (5);
the auger transmission heat exchange blade (8) positioned between the hollow rotating shaft (7) and the air guide pipe (6) divides the air 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 heating channel (2), and the left end of the air 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 heating channel (2), and the right end of the air 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 organic fertilizer production equipment according to claim 1, characterized in that:
step one, a valve (28) on a dry fertilizer discharging pipe (20) is closed, the dry fertilizer discharging pipe (20) is in a blocking state, 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, further a hollow rotating shaft (7), an auger conveying heat exchange blade (8) and an air guide pipe (6) rotate together, then wet organic fertilizer is guided into an organic fertilizer conveying channel (1) through a wet fertilizer feeding pipe (17), the wet organic fertilizer entering the organic fertilizer conveying channel (1) is gradually pushed to the right to roll under the continuous stirring and propelling action of the auger conveying heat exchange blade (8), and when the wet organic fertilizer is dispersed in the whole organic fertilizer conveying channel (1), the wet organic fertilizer is temporarily guided into the wet fertilizer feeding pipe (17);
step two, controlling a synchronous wheel motor to periodically rotate in a positive and negative intermittent mode, further enabling the auger conveying heat exchange 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 enabling the stirring and rolling state in the organic fertilizer conveying channel (1) to continue to the step four;
step three, continuously introducing high-temperature boiler waste gas into a hot waste gas inlet (24) at the left end of a gas guide pipe (6), further continuously introducing the boiler waste gas into a hot waste gas channel (3), further continuously introducing the high-temperature waste gas in the hot waste gas channel (3) into the spiral left end of a waste gas guide heat exchange channel (4) through a plurality of left waste gas guide holes (5), further continuously allowing the high-temperature boiler waste gas in the waste gas guide heat exchange channel (4) to flow rightwards along the spiral of a packing auger conveying heat exchange blade (8), until the boiler waste gas at the right end of the waste gas guide heat exchange channel (4) is continuously led out into a cold waste gas channel (14) through a plurality of right waste gas guide holes (21), and further continuously leading the boiler waste gas into the cold waste gas channel (14) to be discharged through a cold waste gas exhaust outlet (23) at the right end of the gas guide pipe (6; in the process, high-temperature boiler waste gas continuously flows through the waste gas heat exchange channel (4), and the auger transmission heat exchange blade (8) with the thin-wall hollow structure is in a continuous high-temperature state under the action of heat conduction; the wall body of the auger conveying heat exchange blade (8) is continuously heated under the condition that the wet organic fertilizer in the organic fertilizer conveying channel (1) 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);
the air heating channel (2) is divided into spiral channels by the auger transmission heat exchange blades (8) positioned between the hollow rotating shaft (7) and the air guide pipe (6), so that part of heat on the auger transmission heat exchange blades (8) can be also conducted into the spiral channels formed in the air heating channel (2), and further, the gas flowing through the spiral channels formed in the air heating channel (2) is heated;
step four, starting a booster fan (29), further leading an air outlet cylinder (13) to continuously inject booster air into an air inlet cavity (11), leading the booster air in the air inlet cavity (11) into the left end of an air heating channel (2) through a plurality of air leading-in holes (10), leading the air in the spiral channel formed in the air heating channel (2) to continuously flow spirally rightward under the action of air pressure, further leading the air at the right end of the air heating channel (2) to the right end of an organic fertilizer conveying channel (1) through a plurality of air leading-out holes (22) under the action of the air pressure, leading the air at the right end of the organic fertilizer conveying channel (1) to continuously flow leftwards under the action of the air pressure, and finally discharging the air to the outside through a wet fertilizer feeding pipe (17) through the organic fertilizer;
the air is heated by the auger conveying heat exchange blades (8) between the hollow rotating shaft (7) and the air guide pipes (6) in the process that the air continuously flows through the air heating channel (2) in a spiral shape, so that the air led out to the right end of the organic fertilizer conveying channel (1) through the plurality of air outlet holes (22) is heated air, and the heated air effectively prevents the phenomenon that water vapor in the organic fertilizer conveying channel (1) is condensed;
the vapor formed in the organic fertilizer conveying channel (1) in the third step is continuously taken away in the process that the hot air continuously flows through the organic fertilizer conveying channel (1) leftwards, meanwhile, the continuously flowing gas also promotes the evaporation of the moisture 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 dry fertilizer discharging pipe (20) to enable the dry fertilizer discharging pipe (20) to be in an unblocked 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 the dry organic fertilizer in the organic fertilizer conveying channel (1) to the right under the continuous stirring and pushing action of the auger conveying heat exchange blades (8), and finally discharging the dry organic fertilizer through the dry fertilizer discharging pipe (20) to complete the dehydration process of the organic fertilizer.
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| CN103759518A (en) * | 2014-01-23 | 2014-04-30 | 天紫环保装备制造（天津）有限公司 | Spiral dryer special for waste mud |
| CN108981370A (en) * | 2018-06-04 | 2018-12-11 | 芜湖博创新能源科技有限公司 | A kind of energy-saving tea processing drying and dewatering device |
| CN109081723A (en) * | 2018-09-27 | 2018-12-25 | 苏州极汇科技有限公司 | A kind of preparation process device and method thereof proportion of compound fertilizer |
| CN109293404A (en) * | 2018-09-27 | 2019-02-01 | 苏州极汇科技有限公司 | A kind of preparation process device and method thereof of microbial organic fertilizer |
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2019
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759518A (en) * | 2014-01-23 | 2014-04-30 | 天紫环保装备制造（天津）有限公司 | Spiral dryer special for waste mud |
| CN108981370A (en) * | 2018-06-04 | 2018-12-11 | 芜湖博创新能源科技有限公司 | A kind of energy-saving tea processing drying and dewatering device |
| CN109081723A (en) * | 2018-09-27 | 2018-12-25 | 苏州极汇科技有限公司 | A kind of preparation process device and method thereof proportion of compound fertilizer |
| CN109293404A (en) * | 2018-09-27 | 2019-02-01 | 苏州极汇科技有限公司 | A kind of preparation process device and method thereof of microbial organic fertilizer |
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Effective date of registration: 20210205 Address after: 063500 West of Jinxiu Road and North of Civilization Street, Luannan County, Tangshan City, Hebei Province Applicant after: Tangshan Yanfeng Compound Fertilizer Co.,Ltd. Address before: 226001 3309, No.56 Xieyuan, Gongnong Road, Chongchuan District, Nantong City, Jiangsu Province Applicant before: Gu Jianjian |
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