CN113461024B - Processing method of hard bentonite - Google Patents

Processing method of hard bentonite Download PDF

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Publication number
CN113461024B
CN113461024B CN202110669635.0A CN202110669635A CN113461024B CN 113461024 B CN113461024 B CN 113461024B CN 202110669635 A CN202110669635 A CN 202110669635A CN 113461024 B CN113461024 B CN 113461024B
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bentonite
drying
microwave
conveying
conveying belt
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CN113461024A (en
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张平武
方吸云
李应平
杨世书
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Wuhu Feishang Nonmetal Material Co ltd
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Wuhu Feishang Nonmetal Material Co ltd
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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/20Silicates
    • C01B33/36Silicates having base-exchange properties but not having molecular sieve properties
    • C01B33/38Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
    • C01B33/40Clays

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses a processing method of hard bentonite, belonging to the technical field of bentonite manufacture and comprising the following steps: alkalization of a storage yard: adding aqueous solution of sodium hydroxide or sodium carbonate into a calcium bentonite storage yard to convert the calcium bentonite into sodium bentonite, and drying: and drying the bentonite to be processed by using microwave drying equipment. The invention utilizes the microwave heating and drying technology to dry the bentonite, the microwave drying speed is high, the drying time is short, the microwave heating method can reach the required temperature within a longer time compared with the conventional heating method, the microwave heating can quickly reach the required temperature, the power, the temperature and the like of the microwave heating can be adjusted within a certain range, the automation degree is high, and the microwave can simultaneously heat and dry the inner part and the surface of the bentonite block, thereby avoiding the problem that the quality of the bentonite finished product is influenced because the bentonite block is not completely dried.

Description

Processing method of hard bentonite
Technical Field
The invention relates to the technical field of bentonite manufacturing, in particular to a processing method of hard bentonite.
Background
Bentonite is a kind of clay rock, also called montmorillonite clay rock, which often contains a small amount of illite, kaolinite, halloysite, chlorite, zeolite, quartz, feldspar, calcite, etc.; generally white and light yellow, and light grey, light green, pink, brownish red, brick red, gray black and the like due to the change of iron content; waxy, earthy or greasy luster; bentonite is somewhat loose as earth, and also somewhat dense and hard. The main chemical components are silicon dioxide, aluminum oxide and water, and also contain elements such as iron, magnesium, calcium, sodium, potassium and the like, and the contents of Na2O and CaO greatly influence the physicochemical properties and the technical performance of the bentonite.
However, in the prior art, the drying time of hot air flow or heat conduction drying equipment used in the drying process of hard bentonite is long, the drying speed is slow, the interior of the bentonite block cannot be dried quickly, and the heat efficiency is low.
In summary, the development of a processing method for hard bentonite is still a key problem to be solved urgently in the technical field of bentonite production.
Disclosure of Invention
The invention provides a processing method of hard bentonite, which comprises the following steps that when bentonite is dried, bentonite is conveyed to the upper surface of one end of a conveying device at the bottom of a drying device by a lifting device, the alkalized bentonite is placed on the upper surface of a bottom conveying belt in a storage tank, the bentonite to be dried is extracted by an air pump, the bentonite is conveyed to a discharge port at the top through a suction port and a guide pipe in sequence, the bentonite falls onto the surface of a support plate from the discharge port, and finally slides to the top of the conveying device from the support plate, the bentonite enters the sealed shell at the upper surface of the top conveying belt through an opening formed at the bottom of a cabin door at one end of the sealed shell, passes through the bottom of a dryer, is quickly dried by microwaves, and is conveyed out through an opening formed at the bottom of the cabin door at the other end of the sealed shell, when the bentonite is dried in the sealed shell, high-temperature evaporation steam is pumped out of a separation space through a secondary pipe, an adapter and a main pipe in sequence, and the arranged filter element prevents bentonite powder from being pumped out.
In order to achieve the purpose, the invention is realized by the following technical scheme: a processing method of hard bentonite comprises the following steps:
a. alkalization of a yard: adding aqueous solution of sodium hydroxide or sodium carbonate into a calcium bentonite storage yard to convert the calcium bentonite into sodium bentonite;
b. drying: drying the bentonite to be processed by using microwave drying equipment;
c. crushing: feeding the dried large blocks of bentonite into a jaw crusher for crushing and a counterattack crusher for crushing through a vibrating feeder;
d. screening: screening the crushed bentonite by bentonite screening equipment, and screening sand and stone in the bentonite;
e. grinding: feeding the screened bentonite into a belt grinding machine for grinding;
f. adding alkali for the second time: putting quantitative sodium hydroxide or sodium carbonate particles into the bentonite powder in the grinding process;
g. addition of an auxiliary agent: putting a quantitative alkaline thickening agent into the bentonite powder in the grinding process;
the bentonite microwave drying equipment in the step comprises a base, a lifting device, a conveying device, a drying device and a dehumidifier, wherein the top of one end of the base is movably installed at the bottom of the lifting device, the top of the base is movably installed at the bottom of the conveying device, the outer side of the top of the base is fixedly installed at the bottom of the drying device, the top of the drying device is fixedly installed at the bottom of the dehumidifier, a storage tank is arranged at the bottom of the base, and the upper surface of the bottom of the storage tank is movably installed at the bottom of the lifting device;
the step of utilizing microwave drying equipment to get rid of the moisture in the bentonite is as follows, places the bentonite and keeps away from the one end bottom of conveyer in the holding tank of base, and the bentonite can be carried to the conveyer's of drying device bottom one end upper surface through hoisting device, is carried through drying device's bottom by conveyer again to carry out microwave fast drying, and the moisture that the bentonite was dried out then is taken out by the dehumidifier at drying device top and is discharged the isolated space.
Preferably, the crushing operation is to send the massive bentonite into a jaw crusher for primary crushing through a vibration feeder, and send the coarsely crushed material into an impact crusher for secondary crushing.
Preferably, the lifting device comprises a bottom conveying belt, the bottom of the bottom conveying belt is movably mounted with the upper surface of the bottom of the storage tank, a suction port is movably mounted on the upper surface of the bottom conveying belt, the top of the suction port is communicated with a conduit, the top of the conduit is sequentially communicated with an air suction pump and a discharge port, a support plate is fixedly mounted on the outer side of the discharge port, and the bottom of the support plate is movably mounted with the upper surface of the conveying device;
utilize hoisting device to carry the bentonite can be carried to the one end upper surface step of the conveyer of drying device bottom as follows, place the bentonite after the alkalization in the inside bottom conveyer belt upper surface of holding tank, after the bentonite volume that needs to dry of aspiration pump control extraction, loop through suction opening and pipe and carry the bentonite to the discharge gate department at top, drop to the backup pad surface by the discharge gate port, by the top of backup pad landing to conveyer at last.
Preferably, the conveying device comprises a top conveying belt, the bottoms of the two ends of the top conveying belt are fixedly provided with a support frame, the bottom of the support frame is fixedly arranged with the top of the base, and a plurality of vibrating pieces are uniformly and movably arranged in the top conveying belt;
the drying device comprises a sealed shell, a cabin door and a dryer, wherein the two ends of the sealed shell are fixedly provided with the outer sides of the cabin doors, the bottom of each cabin door is provided with an opening, and the upper surface of the inside of the sealed shell is fixedly arranged with the top of the dryer;
conveying bentonite to pass through the bottom of the drying device by using the conveying device, and performing microwave quick drying.
Preferably, the dryer is sequentially provided with a high-temperature drying area, a medium-temperature drying area and a low-temperature drying area through one end close to the lifting device.
Preferably, the dehumidifier comprises an exhaust fan, the bottom of one end of the exhaust fan is communicated with a main pipe, the bottom of the main rod is communicated with an adapter, the bottom of the outer side of the adapter is uniformly communicated with a plurality of auxiliary pipes, one end of each auxiliary pipe is communicated with the inside of the sealing shell, and a filtering piece is fixedly arranged inside one end of each auxiliary pipe;
the step of utilizing the dehumidifier to extract the water vapor dried out by the bentonite and discharging the separation space is as follows, when the bentonite is dried in the sealed shell member, the water vapor evaporated at high temperature is extracted from the separation space by the exhaust fan sequentially through the auxiliary pipe, the adapter member and the main pipe, and the filter member arranged prevents the bentonite powder from being extracted.
Preferably, the drying apparatus comprises a microwave generator, a plurality of microwave tubes are uniformly and fixedly mounted at the bottom of the microwave generator, clamping pieces are fixedly mounted at two ends of each microwave tube, the top of each clamping piece is fixedly mounted at the bottom of the microwave generator, each microwave tube is movably mounted on the outer wall of each microwave tube, and a plurality of limiting grooves are uniformly formed in the microwave generator.
Preferably, the wiping part comprises a ring piece, a wiping ring is fixedly mounted inside the ring piece, a fixed block is fixedly mounted at the top of the ring piece, limiting rods are inserted into two sides of the fixed block, a motor is fixedly mounted at the top of the fixed block, the top of the motor is movably mounted with the inner wall of the limiting groove, and the inner side of the wiping ring is movably mounted with the outer side of the microwave tube.
Preferably, the vibrating piece includes the member, the even movable mounting in the outside of member has a plurality of ends, the equal movable mounting in bottom both ends of member has buffer spring, buffer spring's the inboard movable mounting in top has first magnetic path, the top of first magnetic path and the bottom fixed mounting of member, buffer spring's bottom fixed mounting has electromagnetic generator, electromagnetic generator's bottom fixed mounting has second magnet, the outside of second magnet and buffer spring's the inboard movable mounting in bottom.
The invention provides a processing method of hard bentonite. The method has the following beneficial effects:
(1) According to the invention, the bentonite is dried by using a microwave heating and drying technology through the arranged drying device, the microwave drying speed is high, the drying time is short, the required temperature can be reached within a longer time compared with the conventional heating method, the required temperature can be quickly reached by microwave heating, the power, the temperature and the like of the microwave heating can be adjusted within a certain range, the automation degree is high, and the microwave can simultaneously heat and dry the interior and the surface of the bentonite block, so that the problem that the quality of a bentonite finished product is influenced due to incomplete drying of the bentonite block is solved.
(2) According to the invention, through the arranged wiping piece, when water vapor is evaporated and bonded on the microwave tube, the motor drives the ring piece at the bottom of the microwave tube to move along the limiting groove, and the wiping ring at the inner side of the ring piece wipes off water drops or bentonite dust on the outer wall of the microwave tube, so that the phenomenon that the microwave tube is burnt out due to overheating caused by the bentonite dust or the water drops blocking the microwave tube is avoided.
(3) According to the invention, through the arranged vibrating piece, when bentonite is transported on the top transport belt, the circular opening and closing operation of the electromagnetic generator is realized, the magnetic attraction between the first magnetic block and the second magnetic block is controlled, the compression and the extension of the buffer spring are further controlled, and the rod piece is further controlled to beat the top transport belt, so that the puffed soil on the top transport belt is vibrated and overturned for quick drying.
Drawings
FIG. 1 is a side perspective view of the present invention;
FIG. 2 is a rear perspective view of the present invention;
FIG. 3 is a top perspective view of the present invention;
FIG. 4 is a bottom perspective view of the present invention;
FIG. 5 is a partial cutaway perspective view of the present invention;
FIG. 6 is a perspective view of the dryer of the present invention;
fig. 7 is a sectional perspective view of the dryer of the present invention;
FIG. 8 is an enlarged view taken at A in FIG. 7;
fig. 9 is a perspective view of the vibrating member of the present invention.
The reference numbers in the figures illustrate:
1. a base; 2. a lifting device; 3. a transportation device; 4. a drying device; 5. a dehumidifier; 10. a storage tank; 20. a bottom conveyor belt; 21. a suction port; 22. a conduit; 23. an air pump; 26. a discharge port; 25. a support plate; 30. a top conveyor belt; 31. a support frame; 32. a vibrating member; 40. sealing the housing; 41. a cabin door; 42. an opening; 43. a dryer; 433. a high temperature drying zone; 432. a medium-temperature drying zone; 431. a low temperature drying zone; 52. an exhaust fan; 53. a main pipe; 50. an adapter; 51. a secondary pipe; 54. a filter member; 434. a microwave generator; 436. a microwave tube; 437. wiping the piece; 438. a limiting groove; a1, a ring piece; a2, wiping a ring; a3, fixing blocks; a4, limiting rods; a5, a motor; 321. a rod member; 322. a tip; 323. a buffer spring; 325. a first magnetic block; 324. an electromagnetic generator; 326. a second magnet.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is to be understood that the embodiments described are merely exemplary embodiments, rather than exemplary embodiments, and that all other embodiments may be devised by those skilled in the art without departing from the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to achieve the purpose, the invention adopts the following technical scheme: a processing method of hard bentonite comprises the following steps:
a. alkalization of a storage yard: adding aqueous solution of sodium hydroxide or sodium carbonate into a calcium-based bentonite storage yard to convert the calcium-based bentonite into sodium-based bentonite;
b. drying: drying bentonite to be processed by using microwave drying equipment;
c. crushing: feeding the dried large bentonite blocks into a jaw crusher and a reaction crusher for crushing through a vibrating feeder;
d. screening: screening the crushed bentonite by bentonite screening equipment, and screening sand and stone in the bentonite;
e. grinding: feeding the screened bentonite into a belt grinding machine for grinding;
f. adding alkali for the second time: putting quantitative sodium hydroxide or sodium carbonate particles into the bentonite powder in the grinding process;
g. addition of an auxiliary agent: putting a quantitative alkaline thickening agent into the bentonite powder in the grinding process;
the crushing operation is to send the massive bentonite into a jaw crusher for primary crushing through a vibration feeder, and send the coarsely crushed material into an impact crusher for secondary crushing.
As shown in fig. 1-9, the bentonite microwave drying equipment comprises a base 1, a lifting device 2, a transporting device 3, a drying device 4 and a dehumidifier 5, wherein the top of one end of the base 1 is movably mounted with the bottom of the lifting device 2, the top of the base 1 is movably mounted with the bottom of the transporting device 3, the outer side of the top of the base 1 is fixedly mounted with the bottom of the drying device 4, the top of the drying device 4 is fixedly mounted with the bottom of the dehumidifier 5, a storage tank 10 is arranged at the bottom of the base 1, and the upper surface of the bottom of the storage tank 10 is movably mounted with the bottom of the lifting device 2;
the lifting device 2 comprises a bottom conveying belt 20, the bottom of the bottom conveying belt 20 is movably mounted with the upper surface of the bottom of the storage tank 10, a suction opening 21 is movably mounted on the upper surface of the bottom conveying belt 20, the top of the suction opening 21 is communicated with a conduit 22, the top of the conduit 22 is sequentially communicated with an air suction pump 23 and a discharge opening 26, a support plate 25 is fixedly mounted on the outer side of the discharge opening 26, and the bottom of the support plate 25 is movably mounted with the upper surface of the conveying device 3;
the conveying device 3 comprises a top conveying belt 30, the bottoms of the two ends of the top conveying belt 30 are fixedly provided with supporting frames 31, the bottom of each supporting frame 31 is fixedly arranged with the top of the base 1, and a plurality of vibrating pieces 32 are uniformly and movably arranged in the top conveying belt 30;
the drying device 4 comprises a sealed shell 40, a hatch 41 and a dryer 43, wherein the two ends of the sealed shell 40 are fixedly provided with the outer side of the hatch 41, the bottom of the hatch 41 is provided with an opening 42, and the inner upper surface of the sealed shell 40 is fixedly arranged with the top of the dryer 43;
the dehumidifier 5 comprises an exhaust fan 52, the bottom of one end of the exhaust fan 52 is communicated with a main pipe 53, the bottom of the main rod 53 is communicated with an adapter 50, the bottom of the outer side of the adapter 50 is uniformly communicated with a plurality of secondary pipes 51, one end of each secondary pipe 51 is communicated with the inside of the sealing shell 40, and a filter piece 54 is fixedly arranged inside one end of each secondary pipe 51.
The bentonite is conveyed to the upper surface of one end of a conveying device 3 at the bottom of a drying device 4 by utilizing a lifting device 2, the alkalized bentonite is placed on the upper surface of a bottom conveying belt 20 in a storage tank 10, the bentonite to be dried is extracted by controlling an air suction pump 23, the bentonite is conveyed to a discharge port 26 at the top part through a suction port 2 and a guide pipe 22 in sequence, the bentonite falls to the surface of a support plate 25 from a port of the discharge port 26, finally the bentonite slides to the top part of the conveying device 3 from the support plate 25, the bentonite enters the inside of a sealed shell 40 from the upper surface of the top conveying belt 30 through an opening 42 formed at the bottom of a cabin door 41 at one end of the sealed shell 40, is quickly dried by microwave when passing through the bottom of a dryer 43, and is conveyed out from an opening 42 formed at the bottom of a cabin door 41 at the other end of the sealed shell 40, when the bentonite is dried in the sealed shell 40, steam evaporated at high temperature is extracted out of a separation space through an auxiliary pipe 51, an adapter 50 and a main pipe 53 in sequence by an exhaust fan 52, and the bentonite powder is prevented from being extracted out by a filter 54.
As shown in fig. 5, the dryer 43 is sequentially set to a high-temperature drying zone 433, a medium-temperature drying zone 432 and a low-temperature drying zone 431 through one end close to the lifting device 2, the drying zone is divided into a high zone, a medium zone and a low zone, the bentonite is firstly rapidly heated and dried by using microwaves, and then the drying temperature is gradually reduced along with the transportation of the bentonite, so that when the bentonite is dried and transported out of the separation space, the temperature can be reduced to the room temperature, and the bentonite is prevented from being overheated and absorbing the water vapor in the air again due to heat dissipation.
As shown in fig. 6-8, the dryer 43 includes a microwave generator 434, a plurality of microwave tubes 436 are uniformly and fixedly mounted at the bottom of the microwave generator 434, two ends of each microwave tube 436 are fixedly mounted with a clamping member 435, the top of the clamping member 435 is fixedly mounted with the bottom of the microwave generator 434, an erasing member 437 is movably mounted on the outer wall of each microwave tube 436, a plurality of limiting grooves 438 are uniformly formed in the microwave generator 434, the erasing member 437 includes a ring member a1, an erasing ring a2 is fixedly mounted in the ring member a1, a fixing block a3 is fixedly mounted at the top of the ring member a1, two sides of the fixing block a3 are inserted with limiting rods a4, a motor a5 is fixedly mounted at the top of the fixing block a3, the top of the motor a5 is movably mounted with the inner wall of the limiting groove 438, the inner side of the erasing ring a2 is movably mounted with the outer side of the microwave tubes 436, when water vapor is evaporated and bonded on the microwave tubes 436, the ring a5 drives the ring member a1 at the bottom thereof to displace along the limiting groove 438, and the erasing ring a2 inside of the ring member a1 removes water drops or bentonite dust from the outer wall of the microwave tubes 436, thereby avoiding the microwave tubes 436 from being damaged by overheating and causing the microwave tubes 436.
As shown in fig. 9, the vibrating member 32 includes a rod 321, a plurality of ends 322 are uniformly and movably mounted on the outer side of the rod 321, buffer springs 323 are movably mounted at both ends of the bottom of the rod 321, first magnetic blocks 325 are movably mounted on the inner side of the top of the buffer springs 323, the top of the first magnetic blocks 325 and the bottom of the rod 321 are fixedly mounted, electromagnetic generators 324 are fixedly mounted at the bottoms of the buffer springs 323, second magnets 326 are fixedly mounted at the bottoms of the electromagnetic generators 324, the outer sides of the second magnets 326 and the inner sides of the bottoms of the buffer springs 323 are movably mounted, when bentonite is transported on the top transport belt 30, the electromagnetic generators 324 are circularly opened and closed to control the magnetic attraction between the first magnetic blocks 325 and the second magnetic blocks 326, further to control the compression and expansion of the buffer springs 323, further to control the rod 321 to beat the top belt 30, so that the swelled soil on the top transport belt 30 is vibrated and overturned to dry quickly.
The above embodiments are merely illustrative of the technical solutions of the present invention, and not restrictive of alignment; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (2)

1. A processing method of hard bentonite is characterized in that: the processing method comprises the following steps:
a. alkalization of a storage yard: adding aqueous solution of sodium hydroxide or sodium carbonate into a calcium bentonite storage yard to convert the calcium bentonite into sodium bentonite;
b. and (3) drying: drying bentonite to be processed by using microwave drying equipment;
c. crushing: feeding the dried large bentonite blocks into a jaw crusher and a reaction crusher for crushing through a vibrating feeder;
d. screening: screening the crushed bentonite by bentonite screening equipment, and screening sand and stone in the bentonite;
e. grinding: feeding the screened bentonite into a belt mill for grinding;
f. adding alkali for the second time: putting quantitative sodium hydroxide or sodium carbonate particles into the bentonite powder in the grinding process;
g. addition of an auxiliary agent: putting a quantitative alkaline thickening agent into the bentonite powder in the grinding process;
the bentonite microwave drying equipment in the step b comprises a base (1), a lifting device (2), a conveying device (3), a drying device (4) and a dehumidifier (5), wherein the top of one end of the base (1) is movably installed with the bottom of the lifting device (2), the top of the base (1) is movably installed with the bottom of the conveying device (3), the outer side of the top of the base (1) is fixedly installed with the bottom of the drying device (4), the top of the drying device (4) is fixedly installed with the bottom of the dehumidifier (5), a storage tank (10) is arranged at the bottom of the base (1), and the upper surface of the bottom of the storage tank (10) is movably installed with the bottom of the lifting device (2); the method comprises the following steps of removing moisture in bentonite by using microwave drying equipment, placing the bentonite at the bottom of one end, far away from a conveying device (3), of a storage tank (10) of a base (1), conveying the bentonite to the upper surface of one end of the conveying device (3) at the bottom of a drying device (4) through a lifting device (2), conveying the bentonite to the bottom of the drying device (4) through the conveying device (3), performing microwave rapid drying, and pumping water vapor dried by the bentonite out of a separating space through a dehumidifier (5) at the top of the drying device (4);
the lifting device (2) comprises a bottom conveying belt (20), the bottom of the bottom conveying belt (20) is movably mounted with the upper surface of the bottom of the storage tank (10), the upper surface of the bottom conveying belt (20) is movably mounted with a suction port (21), the top of the suction port (21) is communicated with a conduit (22), the top of the conduit (22) is sequentially communicated with an air suction pump (23) and a discharge port (26), the outer side of the discharge port (26) is fixedly mounted with a support plate (25), and the bottom of the support plate (25) is movably mounted with the upper surface of the conveying device (3); the method comprises the following steps that bentonite is conveyed to the upper surface of one end of a conveying device (3) at the bottom of a drying device (4) by a lifting device (2), the alkalized bentonite is placed on the upper surface of a bottom conveying belt (20) in a storage tank (10), the amount of the bentonite to be dried is controlled and extracted by an air extracting pump (23), the bentonite is conveyed to a discharge port (26) at the top through a suction port (2) and a guide pipe (22) in sequence, the bentonite falls onto the surface of a supporting plate (25) from the port of the discharge port (26), and finally the bentonite slides to the top of the conveying device (3) from the supporting plate (25);
the conveying device (3) comprises a top conveying belt (30), supporting frames (31) are fixedly installed at the bottoms of the two ends of the top conveying belt (30), the bottom of each supporting frame (31) is fixedly installed with the top of the base (1), and a plurality of vibrating pieces (32) are uniformly and movably installed inside the top conveying belt (30); the drying device (4) comprises a sealing shell member (40), a cabin door (41) and a dryer (43), wherein the outer side of the cabin door (41) is fixedly installed at two ends of the sealing shell member (40), an opening (42) is formed in the bottom of the cabin door (41), and the upper surface of the inside of the sealing shell member (40) is fixedly installed with the top of the dryer (43); conveying bentonite to pass through the bottom of the drying device (4) by using the conveying device (3), and performing microwave quick drying, wherein the bentonite enters the sealed shell (40) through an opening (42) formed in the bottom of a cabin door (41) at one end of the sealed shell (40) on the upper surface of a top conveying belt (30), passes through the bottom of a dryer (43) and is subjected to microwave quick drying, and is finally conveyed out through the opening (42) formed in the bottom of the cabin door (41) at the other end of the sealed shell (40);
the dryer (43) is sequentially provided with a high-temperature drying area (433), a medium-temperature drying area (432) and a low-temperature drying area (431) through one end close to the lifting device (2);
the dehumidifier (5) comprises an exhaust fan (52), the bottom of one end of the exhaust fan (52) is communicated with a main pipe (53), the bottom of the main rod (53) is communicated with an adapter (50), the bottom of the outer side of the adapter (50) is uniformly communicated with a plurality of auxiliary pipes (51), one end of each auxiliary pipe (51) is communicated with the inside of the sealing shell member (40), and a filtering member (54) is fixedly arranged inside one end of each auxiliary pipe (51); when the bentonite is dried in the sealed shell member (40), the steam evaporated at high temperature is pumped out of the separation space by an exhaust fan (52) through a secondary pipe (51), an adapter member (50) and a main pipe (53) in sequence, and the arranged filter member (54) prevents bentonite powder from being pumped out;
the dryer (43) comprises a microwave generator (434), a plurality of microwave tubes (436) are uniformly and fixedly mounted at the bottom of the microwave generator (434), clamping pieces (435) are fixedly mounted at two ends of each microwave tube (436), the top of each clamping piece (435) is fixedly mounted at the bottom of the microwave generator (434), a wiping piece (437) is movably mounted on the outer wall of each microwave tube (436), and a plurality of limiting grooves (438) are uniformly formed in the microwave generator (434);
the wiping piece (437) comprises a ring piece (a 1), a wiping ring (a 2) is fixedly mounted inside the ring piece (a 1), a fixed block (a 3) is fixedly mounted at the top of the ring piece (a 1), limiting rods (a 4) are inserted into two sides of the fixed block (a 3), a motor (a 5) is fixedly mounted at the top of the fixed block (a 3), the top of the motor (a 5) is movably mounted with the inner wall of a limiting groove (438), and the inner side of the wiping ring (a 2) is movably mounted with the outer side of the microwave tube (436);
vibrating member (32) include member (321), the even movable mounting in outside of member (321) has a plurality of ends (322), the equal movable mounting in bottom both ends of member (321) has buffer spring (323), the inboard movable mounting in top of buffer spring (323) has first magnetic path (325), the top of first magnetic path (325) and the bottom fixed mounting of member (321), the bottom fixed mounting of buffer spring (323) has electromagnetic generator (324), the bottom fixed mounting of electromagnetic generator (324) has second magnet (326), the outside of second magnet (326) and the inboard movable mounting in bottom of buffer spring (323).
2. The method for processing and treating the hard bentonite according to claim 1, wherein the method comprises the following steps: and the crushing operation is to send the massive bentonite into a jaw crusher for primary crushing through a vibrating feeder, and send the coarsely crushed material into an impact crusher for secondary crushing.
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