CN114838573A - Airflow dryer for drying based on potassium nitrate crystals and production method thereof - Google Patents
Airflow dryer for drying based on potassium nitrate crystals and production method thereof Download PDFInfo
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- CN114838573A CN114838573A CN202210616611.3A CN202210616611A CN114838573A CN 114838573 A CN114838573 A CN 114838573A CN 202210616611 A CN202210616611 A CN 202210616611A CN 114838573 A CN114838573 A CN 114838573A
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- waste heat
- drying
- barrel body
- potassium nitrate
- nitrate crystals
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- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 238000001035 drying Methods 0.000 title claims abstract description 100
- 235000010333 potassium nitrate Nutrition 0.000 title claims abstract description 58
- 239000004323 potassium nitrate Substances 0.000 title claims abstract description 58
- 239000013078 crystal Substances 0.000 title claims abstract description 56
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 35
- 239000002918 waste heat Substances 0.000 claims description 82
- 238000011084 recovery Methods 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 239000007789 gas Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000002337 anti-port Effects 0.000 description 2
- 239000013064 chemical raw material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
- F26B11/14—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a horizontal or slightly-inclined plane
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides an airflow dryer for drying based on potassium nitrate crystals and a production method thereof, which relate to the technical field of potassium nitrate crystal processing and comprise the following steps: drying the barrel body; the drying barrel body is hollow, a top sealing cover and a bottom sealing cover are mounted on the outer portion of the drying barrel body, two fixing pins are connected to the outer portion of the drying barrel body, and the two fixing pins are connected with the top sealing cover and the bottom sealing cover respectively; the drying barrel body is internally provided with the ultra-dense screen plate and the shovel rack, and the shovel rack is in contact with the ultra-dense screen plate. According to the invention, the material shovel frame drives the material shovel to rotate, and when the material shovel shovels and conveys the potassium nitrate crystals at the bottom of the drying barrel body to the top, the potassium nitrate crystals are scattered downwards under the influence of the inclination of the material shovel, so that the contact effect of the potassium nitrate crystals and air is improved. The problem of traditional air current drying-machine when using, it is lower to the wet crystal drying efficiency of potassium nitrate, the wet crystal of potassium nitrate is difficult to fully contact with the hot-air, required stoving time is longer is solved.
Description
Technical Field
The invention relates to the technical field of potassium nitrate crystal processing, in particular to an airflow dryer for drying potassium nitrate crystals and a production method thereof.
Background
Potassium nitrate is an important chemical raw material, which is widely used in industries such as industry, agriculture and food, and the production method mainly comprises a double decomposition method, a solvent extraction method, a synthesis method, an ion exchange method and the like, wherein in any production method, a potassium nitrate wet crystal is obtained firstly, and then the potassium nitrate wet crystal is dried to obtain a finished product of potassium nitrate.
However, when the traditional airflow dryer is used, the drying efficiency of the wet potassium nitrate crystals is low, the wet potassium nitrate crystals are difficult to fully contact with hot air, the required drying time is long, the heat utilization rate is low, a large amount of hot air is wasted, and the energy consumption is very high.
Disclosure of Invention
In view of the above, the invention provides a pneumatic dryer for drying based on potassium nitrate crystals and a production method thereof, wherein a shovel rack drives a material shovel to rotate, and when the material shovel shovels and conveys potassium nitrate crystals at the bottom of a drying barrel body to the top, the potassium nitrate crystals are downward scattered under the inclined influence of the material shovel, so that the contact effect of the potassium nitrate crystals and air is improved; inside hot-air got into the stoving staving through hot gas inlet, then discharged through the hot gas escape, made hot-air be the slope form circulation inside the stoving staving, dried the potassium nitrate crystal of the state of scattering downwards through hot-air, promoted potassium nitrate crystal drying efficiency.
The invention provides an airflow dryer for drying based on potassium nitrate crystals and a production method thereof, and the airflow dryer specifically comprises the following steps: drying the barrel body; the drying barrel body is hollow, a top sealing cover and a bottom sealing cover are mounted on the outer portion of the drying barrel body, two fixing pins are connected to the outer portion of the drying barrel body, and the two fixing pins are connected with the top sealing cover and the bottom sealing cover respectively; the drying barrel body is internally provided with a super-dense screen plate and a shovel rack, the shovel rack is in contact with the super-dense screen plate, and the shovel rack is in contact with the inner sides of the top sealing cover and the bottom sealing cover respectively; the drying barrel body is communicated with an air heater, the air heater is communicated with a waste heat utilization barrel, and the waste heat utilization barrel is communicated with the drying barrel body.
Optionally, the material shoveling frame is rotatably connected inside the drying barrel body, three material shovels are arranged on the periphery of the material shoveling frame in a surrounding manner, and the material shovels are in sliding contact with the inner wall of the drying barrel body.
Optionally, a hot air inlet is formed in the oblique lower portion inside the drying barrel body and communicated with an air outlet end of the air heater, the ultra-dense screen plate is installed at the hot air inlet and is flush with the inner wall of the drying barrel body, and a hot air outlet is formed in the oblique upper portion inside the drying barrel body.
Optionally, shovel work or material rest one end is equipped with big band pulley, and big band pulley rotates in the stoving staving outside, and stoving staving externally mounted has the motor, installs little band pulley in the pivot of motor, and little band pulley passes through driving belt and is connected with big band pulley transmission.
Optionally, a waste heat recovery cavity is formed in the waste heat utilization cylinder, three waste heat release pipes are arranged in the waste heat utilization cylinder, the waste heat release pipes penetrate through the waste heat recovery cavity, the air inlet end of the waste heat recovery cavity is communicated with the outside, the air outlet end of the waste heat recovery cavity is communicated with the air heater, the air inlet end of the waste heat release pipe is communicated with the hot air exhaust port, and the air outlet end of the waste heat release pipe is communicated with the outside.
Optionally, the waste heat recovery cavity is curved, and the waste heat release pipe is curved.
Optionally, the feed inlet has been seted up to the outside oblique top of stoving staving, and the sealed lid that pushes up rotates to be connected in feed inlet department, and the sealed lid that pushes up passes through fixed pin and stoving staving fixed connection, and the bin outlet has been seted up to the outside oblique below of stoving staving, and the sealed lid that ends rotates to be connected in bin outlet department, and the sealed lid that ends passes through fixed pin and stoving staving fixed connection, the sealed inboard and the stoving staving inner wall parallel and level of the sealed lid of top and end.
Advantageous effects
According to the airflow dryer for drying the potassium nitrate crystals, compared with the traditional airflow dryer, the material shovel rack drives the material shovel to rotate, when the material shovel shovels and conveys the potassium nitrate crystals at the bottom of the drying barrel body to the top, the potassium nitrate crystals are downward scattered under the inclined influence of the material shovel, and the contact effect of the potassium nitrate crystals and air is improved; inside hot-air got into the stoving staving through hot gas inlet, then discharged through the hot gas escape, made hot-air be the slope form circulation inside the stoving staving, dried the potassium nitrate crystal of the state of scattering downwards through hot-air, promoted potassium nitrate crystal drying efficiency.
In addition, through the setting of a waste heat utilization section of thick bamboo, after the inside hot-air that discharges of stoving staving gets into in the waste heat release pipe, the waste heat release pipe conducts the inside residual heat of hot-air to the waste heat recovery intracavity, outside air gets into in the hot-blast machine through the waste heat recovery chamber, utilize the waste heat to preheat the air, when making the air reach the predetermined temperature, reduce air flow drying machine self power consumption, play energy-conserving effect, and set up to the sinuous form through waste heat recovery chamber and waste heat release pipe, the inside circulation time of extension hot-air at the waste heat release pipe, promote the waste heat absorption effect, and the extension air is at the inside circulation time of waste heat recovery chamber, promote the air heat absorption effect.
In addition, through the setting of end sealed lid, when the motor passes through driving belt and drives shovel work or material rest antiport, rotate end sealed lid and open, the inside stoving of stoving staving is finished the back potassium nitrate crystal receive material shovel thrust influence to discharge through the bin outlet, makes the inside unloading of stoving staving more simple and convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.
In the drawings:
FIG. 1 shows a schematic axial side view of an embodiment according to the invention;
FIG. 2 illustrates another angular isometric structural schematic according to an embodiment of the present invention;
FIG. 3 illustrates a schematic side view of a bottom shaft of a drying tub according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating a shovel rack coupling structure inside a drying tub according to an embodiment of the present invention;
fig. 5 illustrates a schematic sectional structure view of a drying tub according to an embodiment of the present invention;
FIG. 6 illustrates a shovel rack shaft side structural schematic according to an embodiment of the present invention;
FIG. 7 is a schematic view of the connection structure of the hot air blower and the waste heat utilization cylinder according to the embodiment of the invention;
fig. 8 is a schematic sectional view illustrating a waste heat utilization cylinder according to an embodiment of the present invention.
List of reference numerals
1. Drying the barrel body; 101. a feed inlet; 102. a discharge outlet; 103. a hot gas inlet; 104. a hot air outlet; 2. a top sealing cover; 3. a bottom sealing cover; 4. a fixing pin; 5. ultra-dense mesh plates; 6. a material shoveling frame; 601. shoveling the materials; 602. a large belt pulley; 7. a motor; 701. a small belt pulley; 8. a drive belt; 9. a hot air blower; 10. a waste heat utilization cylinder; 1001. a waste heat recovery cavity; 1002. and a waste heat releasing pipe.
Detailed Description
In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference numerals in the drawings denote like elements.
Example (b):
please refer to fig. 1 to fig. 8:
the invention provides an airflow dryer for drying based on potassium nitrate crystals and a production method thereof, wherein the airflow dryer comprises the following steps: drying the barrel body 1; the drying barrel body 1 is hollow, a top sealing cover 2 and a bottom sealing cover 3 are mounted on the outer portion of the drying barrel body 1, two fixing pins 4 are connected to the outer portion of the drying barrel body 1, and the two fixing pins 4 are connected with the top sealing cover 2 and the bottom sealing cover 3 respectively; an ultra-dense screen plate 5 and a shovel frame 6 are arranged in the drying barrel body 1, the shovel frame 6 is in contact with the ultra-dense screen plate 5, and the shovel frame 6 is in contact with the inner sides of the top sealing cover 2 and the bottom sealing cover 3 respectively; one end of the shoveling frame 6 is provided with a large belt wheel 602, the large belt wheel 602 rotates outside the drying barrel body 1, a motor 7 is arranged outside the drying barrel body 1, a rotating shaft of the motor 7 is provided with a small belt wheel 701, and the small belt wheel 701 is in transmission connection with the large belt wheel 602 through a transmission belt 8; the shoveling frame 6 is rotatably connected inside the drying barrel body 1, three shovels 601 are arranged on the periphery of the shoveling frame 6 in a surrounding manner, the shovels 601 are in sliding contact with the inner wall of the drying barrel body 1, the shoveling frame 6 drives the shovels 601 to rotate, when the shovels 601 shovels and conveys potassium nitrate crystals at the bottom of the drying barrel body 1 to the top, the potassium nitrate crystals are downward scattered under the inclined influence of the shovels 601, and the contact effect of the potassium nitrate crystals and air is improved; a hot air inlet 103 is formed in the oblique lower part of the interior of the drying barrel body 1, the hot air inlet 103 is communicated with the air outlet end of an air heater 9, the ultra-dense screen plate 5 is installed at the hot air inlet 103, the ultra-dense screen plate 5 is flush with the inner wall of the drying barrel body 1, a hot air discharge port 104 is formed in the oblique upper part of the interior of the drying barrel body 1, hot air enters the interior of the drying barrel body 1 through the hot air inlet 103 and is discharged through the hot air discharge port 104, the hot air is enabled to circulate in an inclined manner in the interior of the drying barrel body 1, potassium nitrate crystals in a downward scattering state are dried through the hot air, and the drying efficiency of the potassium nitrate crystals is improved; the drying barrel body 1 is communicated with an air heater 9, the air heater 9 is communicated with a waste heat utilization barrel 10, and the waste heat utilization barrel 10 is communicated with the drying barrel body 1.
In addition, according to the embodiment of the present invention, a waste heat recovery cavity 1001 is formed inside the waste heat utilization cylinder 10, three waste heat release pipes 1002 are arranged inside the waste heat utilization cylinder 10, the waste heat release pipes 1002 penetrate through the waste heat recovery cavity 1001, an air inlet end of the waste heat recovery cavity 1001 is communicated with the outside, an air outlet end of the waste heat recovery cavity 1001 is communicated with the hot air blower 9, an air inlet end of the waste heat release pipe 1002 is communicated with the hot air exhaust port 104, an air outlet end of the waste heat release pipe 1002 is communicated with the outside, the waste heat recovery cavity 1001 is curved, and the waste heat release pipes 1002 are curved;
adopt above-mentioned technical scheme, after in drying barrel body 1 inside exhaust hot-air entering waste heat release pipe 1002, waste heat release pipe 1002 conducts the inside residual heat of hot-air to waste heat recovery chamber 1001, outside air gets into in air heater 9 through waste heat recovery chamber 1001, utilize the waste heat to preheat the air, when making the air reach the predetermined temperature, reduce air flow drying machine self power consumption, play energy-conserving effect, and set up to the sinuous form through with waste heat recovery chamber 1001 and waste heat release pipe 1002, the extension hot-air is at the inside circulation time of waste heat release pipe 1002, promote the waste heat absorption effect, and the extension air is at the inside circulation time of waste heat recovery chamber 1001, promote the air heat absorption effect.
In addition, according to the embodiment of the invention, a feed inlet 101 is formed at the outer oblique upper side of the drying barrel body 1, a top sealing cover 2 is rotatably connected at the feed inlet 101, the top sealing cover 2 is fixedly connected with the drying barrel body 1 through a fixing pin 4, a discharge outlet 102 is formed at the outer oblique lower side of the drying barrel body 1, a bottom sealing cover 3 is rotatably connected at the discharge outlet 102, the bottom sealing cover 3 is fixedly connected with the drying barrel body 1 through the fixing pin 4, and the inner sides of the top sealing cover 2 and the bottom sealing cover 3 are flush with the inner wall of the drying barrel body 1;
adopt above-mentioned technical scheme, when motor 7 drives shovel work or material rest 6 antiport through driving belt 8, rotate end sealing cover 3 and open, the inside stoving of stoving staving 1 is finished the influence of the material shovel 601 thrust of receiving of back potassium nitrate crystal and is discharged through bin outlet 102, makes the inside unloading of stoving staving 1 more simple and convenient.
The specific use mode and function of the embodiment are as follows: when the drying barrel is used, the top sealing cover 2 is rotated to be opened, potassium nitrate crystals are poured into the drying barrel body 1 through the feeding hole 101, and the top sealing cover 2 is closed and fixed through the fixing pin 4; the motor 7 drives the material shoveling frame 6 to rotate through the transmission belt 8, the material shoveling 601 shovels and conveys potassium nitrate crystals at the bottom of the drying barrel body 1 to the top, the potassium nitrate crystals are downward scattered under the inclined influence of the material shoveling 601, and the contact effect of the potassium nitrate crystals and air is improved; external air enters the hot air blower 9 through the waste heat recovery cavity 1001 in the waste heat utilization cylinder 10, the hot air blower 9 heats the air, hot air enters the drying barrel body 1 through the hot air inlet 103 and is discharged through the hot air outlet 104, the hot air circulates in an inclined manner in the drying barrel body 1, potassium nitrate crystals in a downward scattering state are dried through the hot air, and the drying efficiency of the potassium nitrate crystals is improved; hot air exhausted from the interior of the drying barrel body 1 enters a waste heat release pipe 1002 in the waste heat utilization barrel 10, the waste heat release pipe 1002 conducts residual heat in the hot air to a waste heat recovery cavity 1001, and the air circulating in the waste heat recovery cavity 1001 is preheated, so that the power consumption of the airflow dryer is reduced while the air reaches a preset temperature, and an energy-saving effect is achieved; and finally, the bottom sealing cover 3 is rotated to be opened, the motor 7 drives the shoveling frame 6 to rotate reversely through the transmission belt 8, and after the drying of the inside of the drying barrel body 1 is finished, the potassium nitrate crystals are driven by the material shoveling 601 to be discharged through the discharge port 102, so that the discharging of the inside of the drying barrel body 1 is simpler and more convenient.
Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (8)
1. An airflow dryer for drying based on potassium nitrate crystals and a production method thereof are characterized in that the airflow dryer comprises: drying the barrel body (1); the drying barrel body (1) is hollow, a top sealing cover (2) and a bottom sealing cover (3) are mounted outside the drying barrel body (1), two fixing pins (4) are connected outside the drying barrel body (1), and the two fixing pins (4) are respectively connected with the top sealing cover (2) and the bottom sealing cover (3); the ultra-dense screen plate (5) and the shovel frame (6) are arranged in the drying barrel body (1), the shovel frame (6) is in contact with the ultra-dense screen plate (5), and the shovel frame (6) is in contact with the inner sides of the top sealing cover (2) and the bottom sealing cover (3) respectively; the drying barrel body (1) is communicated with an air heater (9), the air heater (9) is communicated with a waste heat utilization barrel (10), and the waste heat utilization barrel (10) is communicated with the drying barrel body (1).
2. The airflow dryer for drying based on potassium nitrate crystals as claimed in claim 1, wherein: the material shoveling frame (6) is rotatably connected inside the drying barrel body (1), three material shovels (601) are arranged on the periphery of the material shoveling frame (6) in a surrounding mode, and the material shovels (601) are in sliding contact with the inner wall of the drying barrel body (1).
3. The airflow dryer for drying based on potassium nitrate crystals as claimed in claim 1, wherein: the hot air inlet (103) is formed in the oblique lower portion inside the drying barrel body (1), the hot air inlet (103) is communicated with the air outlet end of the air heater (9), the ultra-dense screen plate (5) is installed at the position of the hot air inlet (103), the ultra-dense screen plate (5) is flush with the inner wall of the drying barrel body (1), and the hot air exhaust port (104) is formed in the oblique upper portion inside the drying barrel body (1).
4. The airflow dryer for drying based on potassium nitrate crystals as claimed in claim 1, wherein: shovel work or material rest (6) one end is equipped with big band pulley (602), and big band pulley (602) rotate in stoving staving (1) outside, and stoving staving (1) externally mounted has motor (7), installs on the pivot of motor (7) little band pulley (701), and little band pulley (701) are connected with big band pulley (602) transmission through driving belt (8).
5. The airflow dryer for drying based on potassium nitrate crystals as claimed in claim 3, wherein: waste heat utilization section of thick bamboo (10) is inside has seted up waste heat recovery chamber (1001), and waste heat utilization section of thick bamboo (10) is inside to be equipped with three waste heat release pipe (1002), and waste heat release pipe (1002) run through in waste heat recovery chamber (1001), and waste heat recovery chamber (1001) inlet end is linked together with the external world, and waste heat recovery chamber (1001) give vent to anger the end and are linked together with air heater (9), and waste heat release pipe (1002) inlet end is linked together with steam escape orifice (104), and waste heat release pipe (1002) give vent to anger the end and are linked together with the external world.
6. The airflow dryer for drying based on potassium nitrate crystals as claimed in claim 5, wherein: the waste heat recovery cavity (1001) is bent, and the waste heat release pipe (1002) is bent.
7. The airflow dryer for drying based on potassium nitrate crystals as claimed in claim 1, wherein: feed inlet (101) have been seted up to stoving staving (1) outside top to one side, top sealed lid (2) are rotated and are connected in feed inlet (101) department, top sealed lid (2) are through fixed pin (4) and stoving staving (1) fixed connection, bin outlet (102) have been seted up to outside oblique below of stoving staving (1), end sealed lid (3) are rotated and are connected in bin outlet (102) department, end sealed lid (3) are through fixed pin (4) and stoving staving (1) fixed connection, top sealed lid (2) and end sealed lid (3) inboard and stoving staving (1) inner wall parallel and level.
8. The production method of the airflow dryer for drying based on potassium nitrate crystals as claimed in any one of claims 1 to 7, wherein: the method comprises the following steps:
01. firstly, the top sealing cover (2) is rotated to be opened, potassium nitrate crystals are poured into the drying barrel body (1) through the feeding hole (101), and the top sealing cover (2) is closed and fixed through the fixing pin (4);
02. the motor (7) drives the shovel material frame (6) to rotate through the transmission belt (8), the material shovel (601) shovels and conveys potassium nitrate crystals at the bottom of the drying barrel body (1) to the top, and the potassium nitrate crystals are downward scattered under the inclined influence of the material shovel (601);
03. the external air enters the hot air blower (9) through a waste heat recovery cavity (1001) in the waste heat utilization barrel (10), the hot air blower (9) heats the air, so that the hot air enters the drying barrel body (1) through a hot air inlet (103) and is discharged through a hot air outlet (104), the hot air circulates in an inclined manner in the drying barrel body (1), and the potassium nitrate crystals in a downward scattering state are dried through the hot air;
04. hot air exhausted from the interior of the drying barrel body (1) enters a waste heat release pipe (1002) in the waste heat utilization barrel (10), residual heat in the hot air is conducted into a waste heat recovery cavity (1001) through the waste heat release pipe (1002), and air circulating in the waste heat recovery cavity (1001) is preheated;
05. and finally, the bottom sealing cover (3) is rotated to be opened, the motor (7) drives the shovel rack (6) to rotate reversely through the transmission belt (8), and after the drying inside the drying barrel body (1) is finished, the potassium nitrate crystals are discharged through the discharge port (102) under the influence of the thrust of the material shovel (601), so that the application process of the airflow dryer is completed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210616611.3A CN114838573A (en) | 2022-06-01 | 2022-06-01 | Airflow dryer for drying based on potassium nitrate crystals and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210616611.3A CN114838573A (en) | 2022-06-01 | 2022-06-01 | Airflow dryer for drying based on potassium nitrate crystals and production method thereof |
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2022
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Application publication date: 20220802 |