CN107238284B - Adopt apparatus for producing of rotary furnace preparation eggshell powder - Google Patents
Adopt apparatus for producing of rotary furnace preparation eggshell powder Download PDFInfo
- Publication number
- CN107238284B CN107238284B CN201710322991.9A CN201710322991A CN107238284B CN 107238284 B CN107238284 B CN 107238284B CN 201710322991 A CN201710322991 A CN 201710322991A CN 107238284 B CN107238284 B CN 107238284B
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- feeding
- roller
- sealed cabin
- rotary
- rotary furnace
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/02—Rotary-drum furnaces, i.e. horizontal or slightly inclined of multiple-chamber or multiple-drum type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/08—Rotary-drum furnaces, i.e. horizontal or slightly inclined externally heated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/26—Drives
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/32—Arrangement of devices for charging
- F27B7/3205—Charging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/33—Arrangement of devices for discharging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/34—Arrangements of heating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/32—Arrangement of devices for charging
- F27B7/3205—Charging
- F27B2007/3247—Charging through a lateral opening in the drum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Food Science & Technology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to an egg processing device, in particular to a production device for preparing eggshell powder by adopting a rotary furnace. The eggshell powder production device comprises a rotary furnace, a feeding device, an eggshell powder crushing device and an exhaust gas treatment device, wherein the feeding device is arranged at a feeding hole of the rotary furnace, and the eggshell powder crushing device is arranged at a discharging hole of the rotary furnace, so that mass production of eggshell powder can be effectively realized, and the eggshell can be fully crushed; an exhaust gas treatment device is additionally arranged at one side of a feed inlet of the rotary furnace, so that the exhaust gas calcined by the rotary furnace can be effectively treated, and clean production is realized; the feeding sealed cabin and the discharging sealed cabin are arranged at the front end and the rear end of the rotary furnace, so that the air tightness of the device is ensured, the waste gas is ensured not to leak, and the pollution to the environment is reduced; the invention has the advantages of simple operation, reliable operation, convenient maintenance, stable product quality, low energy consumption, no pollution in the production process and low equipment manufacturing price, and the quality of the calcined product reaches the advanced level of similar products at home and abroad.
Description
Technical Field
The invention relates to an egg processing device, in particular to a production device for preparing eggshell powder by adopting a rotary furnace.
Background
A great deal of eggshell waste is generated in the process of deep processing of eggs to produce egg powder and liquid eggs, and environmental pollution can be caused if the eggshell waste is not processed. The eggshell is calcined at high temperature to obtain eggshell source calcium oxide, and natural high-quality fruit and vegetable cleaning agent can be prepared after series treatment, but common industrial high-temperature calcining equipment has huge volume and remarkable energy consumption, and no waste gas treatment device and eggshell powder further grinding device are arranged for eggshell calcination, so that the common industrial high-temperature calcining equipment is not suitable for high-temperature eggshell calcination.
Disclosure of Invention
In order to solve the problems, the invention provides a production device for preparing eggshell powder by adopting a rotary furnace, and the production device has reasonable structure and operation method, thereby realizing mass clean production of eggshell powder.
The technical scheme adopted by the invention is as follows: the utility model provides a production facility of adoption rotary furnace preparation eggshell powder, includes the rotary furnace that is used for calcining eggshell, its characterized in that: the rotary furnace comprises a base arranged on the horizontal ground, a rotary roller arranged on the base through a carrier roller, an electric heating pipe arranged in the rotary roller, an insulating layer arranged outside the rotary roller and a rotary furnace transmission mechanism for driving the rotary roller to move, wherein the rotary roller feed port is provided with the feed sealed cabin;
the feeding device comprises a feeding motor, a feeding spiral roller and a feeding hopper, wherein the feeding motor is arranged on the base, the feeding spiral roller is connected with the feeding motor, the feeding hopper is communicated with the feeding spiral roller, one end of the feeding spiral roller is connected with the feeding motor, a discharging port at the other end of the feeding spiral roller is connected with the rotary roller through a feeding sealed cabin, and a feeding port at the upper end of the feeding spiral roller is connected with the feeding hopper;
the waste gas treatment device comprises a settling chamber arranged on the horizontal ground, a centrifugal fan for pumping waste gas and a spray pipe arranged at the upper part of the settling chamber, wherein an air inlet is formed in the lower part of one side of the settling chamber, the air inlet is communicated with a feeding sealed cabin through the centrifugal fan and a pipeline, an exhaust skylight is formed in the top end of the opposite side of the settling chamber to the air inlet, a settling chamber door for entering and exiting the settling chamber is formed in the lower part of the opposite side of the settling chamber to the air inlet, and a drainage ditch and a drainage outlet are formed in the bottom of the settling chamber; and a plurality of atomizing spray heads are uniformly arranged on the spray pipe.
Preferably, the feeding sealed cabin comprises a sealed cabin shell, a telescopic ring arranged in the sealed cabin shell and a plurality of adjusting devices arranged on the outer wall of the sealed cabin shell, one side of the sealed cabin shell is provided with a sealed cabin discharge port communicated with the rotary roller, the other side of the sealed cabin shell is provided with a sealed cabin feed port communicated with the feeding spiral roller, the top of the sealed cabin shell is provided with an air outlet communicated with the waste gas treatment device, the sealed cabin shell is internally provided with the telescopic ring at the position close to the sealed cabin discharge port, the telescopic ring is clamped on the outer wall of the rotary roller, and the positions, corresponding to the telescopic ring, of the outer peripheral wall of the sealed cabin shell are uniformly provided with the adjusting devices.
Preferably, the adjusting device comprises a guide rod fixedly arranged on the sealed cabin shell, a spring arranged in the guide rod, an adjusting bolt and a pressing sheet, wherein the adjusting bolt is screwed into the guide rod from outside to inside, one end of the spring is abutted against the adjusting bolt, and the other end of the spring is abutted against the telescopic ring through the pressing sheet.
Preferably, the eggshell powder crushing device comprises a support arranged on the horizontal ground, a press roll outer cover arranged at the upper end of the support, a plurality of press rolls arranged in the press roll outer cover in parallel, a storage hopper arranged at the lower part of the support and a press roll motor for driving the press rolls to move, wherein the plurality of press rolls are all arranged in the press roll outer cover through bearing seats and rolling bearings, and meshed gears are arranged on the plurality of press rolls, and a chain wheel is arranged on one of the press rolls; the press roller motor is fixedly arranged on the support and is connected with the chain wheel through a chain; the feeding port on one side of the press roll outer cover is communicated with the discharging port of the rotary roller through the discharging sealed cabin, and the discharging port on the lower part of the press roll outer cover is communicated with the storage hopper.
Preferably, four compression rollers with the same outer diameter are arranged in parallel in the compression roller outer cover, namely a first compression roller, a second compression roller, a third compression roller and a fourth compression roller, crushing spaces are formed among the first compression roller, the second compression roller, the third compression roller and the fourth compression roller, the first compression roller and the fourth compression roller are fixedly arranged in the compression roller outer cover, a chain wheel is arranged on the fourth compression roller, and the axial distance between the second compression roller and the third compression roller is adjustable.
Preferably, the rotary furnace transmission mechanism comprises a rotary motor fixedly arranged on the base, a driving sprocket connected with the rotary motor and a driven sprocket connected with the driving sprocket, wherein the driven sprocket is arranged at one end of the rotary roller, which is close to the feeding hole, a speed reducer is arranged between the rotary motor and the driving sprocket, and the driving sprocket is connected with the driven sprocket through a transmission chain.
Preferably, the centrifugal fan is provided with a wind speed motor for adjusting the wind speed.
The beneficial effects obtained by the invention are as follows: by arranging the feeding device at the feeding port of the rotary furnace and arranging the eggshell powder crushing device at the discharging port of the rotary furnace, mass production of eggshell powder can be effectively realized, and the eggshells can be fully crushed; an exhaust gas treatment device is additionally arranged at one side of a feed inlet of the rotary furnace, so that the exhaust gas calcined by the rotary furnace can be effectively treated, and clean production is realized; the feeding sealed cabin and the discharging sealed cabin are arranged at the front end and the rear end of the rotary furnace, so that the air tightness of the device is ensured, the waste gas is ensured not to leak, and the pollution to the environment is reduced; the invention has the advantages of simple operation, reliable operation, convenient maintenance, stable product quality, low energy consumption, no pollution in the production process and low equipment manufacturing price, and the quality of the calcined product reaches the advanced level of similar products at home and abroad.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic view of the internal structure of a rotary kiln;
FIG. 4 is a schematic view of the structure of a feed capsule;
FIG. 5 is an isometric view of FIG. 4;
FIG. 6 is a schematic structural view of an adjusting device;
FIG. 7 is a schematic structural view of an eggshell powder pulverizing apparatus;
fig. 8 is a schematic view of a press roll installation.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
As shown in fig. 1-2, the production device for preparing eggshell powder by adopting the rotary furnace comprises a feeding device 1, a rotary furnace 2, an eggshell powder crushing device 3, an exhaust gas treatment device 4, a feeding sealed cabin 5 and a discharging sealed cabin 6, wherein the feeding device 1 is communicated with a feeding port of the rotary furnace 2 through the feeding sealed cabin 5, the eggshell powder crushing device 3 is communicated with a discharging port of the rotary furnace 2 through the discharging sealed cabin 6, an air outlet 53 at the upper end of the feeding sealed cabin 5 is connected with the exhaust gas treatment device 4 through a pipeline, eggshells are poured into the feeding device 1, the eggshell powder is conveyed into the rotary furnace 2 through the feeding device 1 to be calcined and then subjected to preliminary crushing, the eggshell powder subjected to preliminary crushing after being calcined by the rotary furnace 2 is further conveyed into the eggshell powder crushing device 3 to be further crushed, and calcined exhaust gas of the rotary furnace 2 is sucked into the exhaust gas treatment device 4 to be treated.
The feeding device 1 comprises a feeding motor 12, a feeding spiral roller 13 and a feeding hopper 14 which are arranged on a base 11, wherein the feeding motor 12 is connected with the feeding spiral roller 13 through a coupler and a speed reducer, the feeding spiral roller 13 is controlled to rotate, a feeding hole at the upper end of the feeding spiral roller 13 is connected with the feeding hopper 14, and a discharging hole at one side end part of the feeding spiral roller 13 is connected with a feeding hole of the rotary furnace 2 through a feeding sealed cabin 5. The eggshells are poured from the upper end of the feed hopper 14 and then enter the feeding spiral roller 13 from the lower end of the feed hopper 14, and the feeding spiral roller 13 conveys the eggshells into the rotary furnace 2 under the drive of the feeding motor 12.
The rotary furnace 2 is used for egg-boiling eggshells, so that the eggshells are preliminarily crushed, the rotary furnace 2 comprises a rotary roller 23, a carrier roller 28, an electric heating pipe 26, an upper cover 24, an insulating layer 25 and a rotary furnace transmission mechanism, a feeding port of the rotary roller 23 is provided with a feeding sealed cabin 5, a discharging port of the rotary roller is provided with a discharging sealed cabin 6, the head end and the tail end of the rotary roller 23 are respectively provided with a rolling ring 22, the corresponding positions on a base 11 are provided with the carrier roller 28, the carrier roller 28 is matched with the rolling rings 22 at the head end and the tail end, the rotary roller 23 is supported on the base, and the rotary roller 23 can rotate around the axial direction; an upper cover 24 is arranged above the rotary roller 23, and an electric heating pipe 26 and a heat preservation layer 25 (which is a refractory brick heat preservation layer) are sequentially arranged below the rotary roller 23, so as to provide a heat source for the rotary roller 23 and prevent heat loss; the rotary roller 23 is equipped with driven sprocket 21 by feed inlet one end, be equipped with rotary motor and driving sprocket 29 on the base 11, rotary motor passes through shaft coupling and reduction gear and links to each other with driving sprocket 29, driving sprocket 29 links to each other with driven sprocket 21 through the chain, rotary motor, driving sprocket 29 and driven sprocket 21 etc. constitute rotary furnace drive mechanism jointly, rotary motor motion, drive driving sprocket 29 motion, driving sprocket 29 drives driven sprocket 21 rotation through the chain, further drive rotary roller 23 rotation for the eggshell that calcines in the rotary roller 23 is heated more evenly.
Referring to fig. 3, a plurality of scraping plates 231 are welded on the circumference of the inner wall of the rotary roller 23, and the scraping plates 231 can not only increase the stirring intensity of the eggshell powder and improve the uniformity of powder oxidation, but also facilitate the discharge of the calcined eggshell powder from the discharge port of the rotary roller 23.
As shown in fig. 2, the exhaust gas treatment device 4 comprises a settling chamber 41, a centrifugal fan 44, a speed regulating motor 45, spray pipes 42 and a gas baffle 43, wherein an air inlet 415 is formed in the lower portion of one side of the settling chamber 41, the air inlet 415 is communicated with an air outlet 53 in the top of a feeding sealed cabin 5 through a pipeline and the centrifugal fan 44, the centrifugal fan 44 is used for providing negative pressure to pump exhaust gas generated by calcination in the rotary kiln 2 into the settling chamber 41, the centrifugal fan 44 is provided with the speed regulating motor 45 for changing the flow rate and the gas flow rate of the fan, and further changing the flow rate of the gas in the rotary kiln 2, the regulating parameters of the speed regulating motor 45 are regulated according to the temperature in the rotary kiln 2, the temperature of an electric heating pipe 26, the feed rate of eggshells and the rotating speed of a rotary drum 23, so as to prevent solid matters with light weight after eggshell combustion from being sucked away along with the exhaust gas, an exhaust skylight 411 is formed in the top of the opposite side of the settling chamber 41 and the air inlet 53, a plurality of spray pipes 42 are formed in the upper portion in the settling chamber 41, a plurality of spray nozzles 421 are formed in each spray pipe 42, drainage ditches 414, 413 and a water outlet 43 are formed in the bottom of the settling chamber 41, the air baffle 43 is used for guiding the exhaust gas from the lower portion of the settling chamber 41 to flow from the settling chamber to the settling chamber, the settling chamber is further changed, the flow rate of the gas in the flow rate of the air in the rotary kiln 2, the speed is changed, the flow rate of the air flow of the speed of the air in the rotary kiln is adjusted, and the speed is further changed, and the flow, the flow speed of the flow of the gas in the speed is adjusted, and the speed, and the flow is adjusted, and the speed, and the flow is convenient, and the flow and the speed, and can be taken out, and easy. The exhaust gas calcined in the rotary kiln 2 enters the sedimentation chamber 41 through the gas inlet 415, is neutralized and absorbed by the mist sprayed from the atomizing nozzle 421 on the shower pipe 42, and then drops into the drain 414 at the bottom of the sedimentation chamber 41 after being neutralized and absorbed by the mist, and is discharged from the drain 413.
As shown in fig. 4-6, the feeding sealed cabin 5 comprises a sealed cabin shell 50, a telescopic ring 56 and a plurality of adjusting devices 55 (six adjusting devices are uniformly distributed in the figure), one side of the sealed cabin shell 50 is provided with a sealed cabin discharging hole 52 communicated with the rotary roller 23, the other side of the sealed cabin shell is provided with a sealed cabin feeding hole 51 communicated with the feeding spiral roller 13, the top of the sealed cabin shell is provided with an air outlet 53 communicated with the waste gas treatment device 4, the air outlet 53 is provided with a valve 54 for controlling the opening and closing of the air outlet 53, the telescopic ring 56 is arranged in the sealed cabin shell 50 and is close to one side of the sealed cabin discharging hole 52, the inner ring of the telescopic ring 56 is clamped on the outer wall of the rotary roller 23, the positions, corresponding to the telescopic ring 56, of the telescopic ring 56 on the outer peripheral wall of the sealed cabin shell 50 are uniformly provided with the adjusting devices 55, and the gaps at the connecting positions of the feeding sealed cabin 5 and the rotary roller 23 can be adjusted through the adjusting devices 55, so that the installation of the feeding sealed cabin 5 and the rotary roller 23 can be facilitated, and the tightness of the connection of the feeding sealed cabin 5 and the rotary roller 23 can be ensured. Referring to fig. 5, the adjusting device 55 includes a guide rod 551, a spring 553, an adjusting bolt 552 and a pressing piece 554, the guide rod 551 is fixedly disposed on the capsule housing 50, the adjusting bolt 552 is screwed into the guide rod 551 from outside to inside, one end of the spring 553 abuts against the adjusting bolt 552, the other end of the spring abuts against the telescopic ring 56 through the pressing piece 554, the adjusting bolt 552 is rotated outwards to enlarge the gap between the telescopic ring 56 and the rotary roller 23, the rotary roller 23 and the feeding capsule 5 are conveniently detached, the adjusting bolt 552 is rotated inwards to reduce the gap between the telescopic ring 56 and the rotary roller 23, the tightness of the rotary roller 23 and the feeding capsule 5 is guaranteed, and meanwhile, the rotation of the rotary roller 23 is not affected. The structure of the discharge sealed cabin 6 is the same as that of the feed sealed cabin 5.
As shown in fig. 7-8, the eggshell powder pulverizing device 3 comprises a support 32, a press roll outer cover 35, a plurality of press rolls 31, a storage hopper 33 and a press roll motor 36, wherein the support 32 is arranged on the horizontal ground, the press roll outer cover 35 is arranged at the upper end of the support 32, a plurality of press rolls 31 which are arranged in parallel are arranged in the press roll outer cover 35, a pulverizing space for pulverizing eggshell powder is reserved between the plurality of press rolls 31 which are arranged in parallel, the plurality of press rolls 31 are all arranged in the press roll outer cover 35 through bearing blocks 37 and rolling bearings 38, and the plurality of press rolls 31 are all provided with gears 34 which are meshed with each other, a sprocket is arranged on one of the press rolls 31, the press roll motor 36 is fixedly arranged on the support 32, and the press roll motor 36 is connected with the sprocket through a chain, so that one of the press rolls 31 is driven to rotate, and the other press rolls 31 are further driven to rotate with each other, so that eggshell powder which is crushed and enters the press roll outer cover 35 is further pulverized. The feed inlet on one side of the press roll outer cover 35 is communicated with the discharge port of the rotary roller 23 through the discharge sealed cabin 6, the discharge port on the lower part of the press roll outer cover 35 is communicated with the storage hopper 33, the eggshell powder calcined by the rotary furnace 2 enters the press roll outer cover 35 through the discharge port of the rotary roller 23 and the feed inlet of the press roll outer cover 35, and after being further crushed by the press roll 31 in the press roll outer cover 35, falls into the storage hopper 33 on the lower part of the support 32 for collection.
As shown in fig. 8, four pressing rollers 31 with the same outer diameter are adopted in the present embodiment, namely, a first pressing roller 31a, a second pressing roller 31b, a third pressing roller 31c and a fourth pressing roller 31d, wherein the first pressing roller 31a, the second pressing roller 31b, the third pressing roller 31c and the fourth pressing roller 31d form an eggshell powder crushing space with each other, a chain wheel is arranged on the fourth pressing roller 31d, the first pressing roller 31a and the fourth pressing roller 31d are fixedly arranged in a pressing roller outer cover 35 and cannot move, and the relative positions of the second pressing roller 31b and the third pressing roller 31c in the pressing roller outer cover 35 can be finely adjusted so as to ensure that the axial distance between the four pressing rollers is in an optimal range and ensure that the eggshell powder crushing particles reach the standard.
The working principle of the invention is as follows: pouring eggshells into a feed hopper 14 of the feeding device 1, and conveying the eggshells into a rotary roller 23 of the rotary furnace 2 through a feeding spiral roller 13 under the drive of a feeding motor 12; the eggshell is calcined into eggshell powder by the rotary roller 23, the eggshell powder enters a press roller outer cover 35 of the eggshell powder crushing device 3 under the action of a scraper 231, is further crushed into eggshell powder meeting the standard by a press roller 31, falls into a storage hopper 33 to be collected, and finally is sent into equipment such as a vibrating screen, a mixer, a packaging machine and the like; the exhaust gas generated by calcination in the rotary kiln 2 is pumped into the sedimentation chamber 41 by the centrifugal fan 44, and the atomized liquid sprayed from the atomizing nozzle 421 in the sedimentation chamber 41 is absorbed and then dropped into the drain 414, and is discharged from the drain 413.
Claims (2)
1. A production device for preparing eggshell powder by adopting a rotary furnace, which comprises the rotary furnace (2) for calcining eggshells, and is characterized in that: the device comprises a rotary furnace (2), a feeding device (1) communicated with a feeding port of the rotary furnace (2) through a feeding sealed cabin (5), an eggshell powder crushing device (3) communicated with a discharging port of the rotary furnace (2) through a discharging sealed cabin (6) and an exhaust gas treatment device (4) communicated with the feeding sealed cabin (5) through a pipeline, wherein the rotary furnace (2) comprises a base (11) arranged on the horizontal ground, a rotary roller (23) arranged on the base (11) through a carrier roller (28), an electric heating pipe (26) arranged outside the rotary roller (23), a heat preservation layer (25) and a rotary furnace transmission mechanism for driving the rotary roller (23) to move, the feeding port of the rotary roller (23) is connected with the feeding sealed cabin (5), and the discharging port of the rotary roller (23) is connected with the discharging sealed cabin (6);
the feeding device (1) comprises a feeding motor (12) arranged on a base (11), a feeding spiral roller (13) connected with the feeding motor (12) and a feeding hopper (14) communicated with the feeding spiral roller (13), one end of the feeding spiral roller (13) is connected with the feeding motor (12), a discharging port at the other end is connected with a rotary roller (23) through a feeding sealed cabin (5), and a feeding port at the upper end is connected with the feeding hopper (14);
the waste gas treatment device (4) comprises a settling chamber (41) arranged on the horizontal ground, a centrifugal fan (44) for pumping waste gas and a spray pipe (42) arranged at the inner upper part of the settling chamber (41), wherein an air inlet (415) is formed in the lower part of one side of the settling chamber (41), the air inlet (415) is communicated with a feeding sealed cabin (5) through the centrifugal fan (44) and a pipeline, an air exhaust skylight (411) is formed in the top end of the opposite side of the settling chamber (41) to the air inlet (415), a settling chamber door (412) for entering and exiting the settling chamber (41) is formed in the lower part of the opposite side of the air inlet (415) to the air inlet (415), and a drainage ditch (414) and a drainage outlet (413) are formed in the bottom of the settling chamber (41); a plurality of atomizing spray heads (421) are uniformly arranged on the spray pipe (42);
the feeding sealed cabin (5) comprises a sealed cabin shell (50), a telescopic ring (56) arranged in the sealed cabin shell (50) and a plurality of adjusting devices (55) arranged on the outer wall of the sealed cabin shell (50), one side of the sealed cabin shell (50) is provided with a sealed cabin discharge port (52) communicated with a rotary roller (23), the other side of the sealed cabin shell is provided with a sealed cabin feed port (51) communicated with a feeding spiral roller (13), the top of the sealed cabin shell is provided with an air outlet (53) communicated with an exhaust gas treatment device (4), the part, close to the sealed cabin discharge port (52), of the sealed cabin shell (50) is provided with the telescopic ring (56), the telescopic ring (56) is clamped on the outer wall of the rotary roller (23), and the part, corresponding to the telescopic ring (56), of the peripheral wall of the sealed cabin shell (50) is uniformly provided with the adjusting devices (55);
the adjusting device (55) comprises a guide rod (551) fixedly arranged on the sealed cabin shell (50), a spring (553) arranged in the guide rod (551), an adjusting bolt (552) and a pressing piece (554), wherein the adjusting bolt (552) is screwed into the guide rod (551) from outside to inside, one end of the spring (553) is abutted against the adjusting bolt (552), and the other end of the spring is abutted against the telescopic ring (56) through the pressing piece (554);
the eggshell powder crushing device (3) comprises a support (32) arranged on the horizontal ground, a press roll outer cover (35) arranged at the upper end of the support (32), a plurality of press rolls (31) arranged in the press roll outer cover (35) in parallel, a storage hopper (33) arranged at the lower part of the support (32) and a press roll motor (36) for driving the press rolls (31) to move, wherein the plurality of press rolls (31) are arranged in the press roll outer cover (35) through bearing blocks (37) and rolling bearings (38), the plurality of press rolls (31) are provided with gears (34) meshed with each other, and one press roll (31) is provided with a chain wheel; the compression roller motor (36) is fixedly arranged on the support (32), and the compression roller motor (36) is connected with the chain wheel through a chain; a feed inlet at one side of the press roll (31) outer cover is communicated with a discharge outlet of the rotary roller (23) through a discharge sealed cabin (6), and a discharge outlet at the lower part of the press roll outer cover (35) is communicated with a storage hopper (33); four compression rollers (31) with the same outer diameter are arranged in parallel in the compression roller outer cover (35), namely a first compression roller (31 a), a second compression roller (31 b), a third compression roller (31 c) and a fourth compression roller (31 d), crushing spaces are formed among the first compression roller (31 a), the second compression roller (31 b), the third compression roller (31 c) and the fourth compression roller (31 d), the first compression roller (31 a) and the fourth compression roller (31 d) are fixedly arranged in the compression roller outer cover (35), a chain wheel is arranged on the fourth compression roller (31 d), and the axial distance between the second compression roller (31 b) and the third compression roller (31 c) is adjustable;
the rotary furnace transmission mechanism comprises a rotary motor fixedly arranged on a base (11), a driving sprocket (29) connected with the rotary motor and a driven sprocket (21) connected with the driving sprocket (29), wherein the driven sprocket (21) is arranged at one end, close to a feed inlet, of a rotary roller (23), the rotary motor is connected with the driving sprocket (29) through a speed reducer and a coupler, and the driving sprocket (29) is connected with the driven sprocket (21) through a transmission chain.
2. The apparatus for producing eggshell powder using a rotary kiln as claimed in claim 1, wherein: the centrifugal fan (44) is provided with a wind speed motor (45) for adjusting the wind speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322991.9A CN107238284B (en) | 2017-05-09 | 2017-05-09 | Adopt apparatus for producing of rotary furnace preparation eggshell powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322991.9A CN107238284B (en) | 2017-05-09 | 2017-05-09 | Adopt apparatus for producing of rotary furnace preparation eggshell powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107238284A CN107238284A (en) | 2017-10-10 |
| CN107238284B true CN107238284B (en) | 2023-10-03 |
Family
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| CN111102831B (en) * | 2020-01-17 | 2021-04-06 | 江苏仁康蛋业有限公司 | Rotary furnace for eggshell cooking |
| CN114166017B (en) * | 2021-11-11 | 2022-09-20 | 广东众大智能科技有限公司 | New energy material reaction device with waste gas treatment function |
| CN114166018B (en) * | 2021-11-11 | 2022-10-11 | 广东众大智能科技有限公司 | Prevent new forms of energy material reaction unit of exhaust gas leakage |
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