CN212512084U

CN212512084U - Smash effectual ardealite disk drying kettle

Info

Publication number: CN212512084U
Application number: CN202021258166.0U
Authority: CN
Inventors: 李青彪; 昙艳; 张晓艳; 郭雷; 杨跃
Original assignee: Tongren University
Current assignee: Tongren University
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-02-09
Anticipated expiration: 2030-07-01

Abstract

The utility model belongs to the technical field of ardealite processing, in particular to a disc type ardealite drying kettle with good crushing effect, which comprises a crushing tank body and a drying tank body, wherein an inverted cone-shaped crushing cavity is arranged in the crushing tank body, a first crushing body, a second crushing body and a third crushing body are respectively arranged in the crushing cavity from top to bottom, a first motor output shaft is connected with a crushing shaft, a first discharge port is arranged at the lower side of the crushing cavity, a plurality of first drying assemblies are uniformly arranged in the drying tank body, a second drying assembly is arranged between two adjacent first drying assemblies, a transmission assembly is connected with the second motor output shaft, the transmission assembly is connected with the drying shaft, gas transmission pipelines are respectively arranged at the left side and the right side of the drying tank body, the gas transmission pipelines are connected with a rectangular gas distributing pipe which is embedded in the drying tank body, a second discharge port is arranged at the lower side of the drying, meanwhile, the crushed raw materials can be continuously dried, so that the production is convenient.

Description

Smash effectual ardealite disk drying kettle

Technical Field

The utility model belongs to the technical field of the ardealite processing, concretely relates to smash effectual ardealite disk drying kettle.

Background

The phosphogypsum is solid waste residue generated when phosphorite is treated by sulfuric acid in the production of phosphoric acid, the main component of the phosphogypsum is calcium sulfate, the phosphogypsum is generally powdery, the appearance is generally grey white, yellow, light green and the like, the phosphogypsum also contains organic phosphorus and sulfur fluorine compounds, the volume weight is 0.733-0.88g/cm, the particle diameter is generally 5-15 um, the main component of the phosphogypsum is calcium sulfate dihydrate, the content of the calcium sulfate dihydrate generally reaches about 70-90 percent, the secondary components contained in the phosphogypsum are different along with the production place of the phosphorite, the phosphate and the silicate of rock components Ca and Mg are generally contained, about 2000 million tons of phosphogypsum are discharged every year at present in China, the accumulated discharge amount is nearly hundred million tons, the largest one of the discharge amount of the phosphogypsum waste residue in gypsum waste residue occupies a large amount of land, slag hills are formed, and the environment is seriously polluted, so the recycling of the phosphogypsum, Soil conditioner, cement retarder, chemical raw materials and the like.

Before processing, phosphogypsum generally needs to be stacked for a long time for reducing phosphorus, then is dried and reduced in water through a disc type drying kettle so as to facilitate subsequent production, but the phosphogypsum is easy to agglomerate after being stacked for a long time, the moisture in the agglomerated phosphogypsum is more, if the agglomerated phosphogypsum is not sufficiently dried, the subsequent processing is easy to be influenced, the disc type drying kettle uniformly discharges materials into a kettle body through an intelligent distributor, then hot steam, hot water, heat conduction oil and the like are used as heating media, heat is input into a placing disc so as to dry and heat the raw materials in a heat conduction mode, but the general disc type drying kettle only has a drying function, cannot crush and grind the agglomerated phosphogypsum, and the drying effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the disc-type ardealite drying kettle with the good crushing effect can effectively crush and grind ardealite, ensures that the ardealite can be completely powdered before being dried, is convenient to produce, can continuously dry the ardealite, and improves the production quality and efficiency.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

the utility model provides a smash effectual ardealite disk drying kettle, includes the crushing jar body and the drying jar body, crushing jar body downside is equipped with first motor, drying jar body downside is equipped with the second motor, drying jar body upside is equipped with intelligent tripper and on-off control district, it has the crushing chamber of back taper to smash internal the opening of crushing jar, it is equipped with first crushing body, second crushing body and third crushing body respectively from top to bottom in the crushing chamber, the upside of first crushing body, second crushing body and third crushing body is the toper, the distance of second crushing body and crushing intracavity wall is less than the distance of first crushing body and crushing intracavity wall, the distance of third crushing body and crushing intracavity wall is less than the distance of second crushing body and crushing intracavity wall, first motor output shaft is connected with crushing axle, crushing axle run through crushing jar body downside and with first crushing body, The second crushing body is connected with the third crushing body, the lower side of the crushing shaft is provided with a discharging strip, the lower side of the crushing tank body is provided with a drying tank body, the lower side of the crushing cavity is provided with a first discharging opening, the first discharging opening is connected with a discharging pipeline, the discharging pipeline is connected with an intelligent distributor, the upper side of the drying tank body is provided with an exhaust pipeline, a plurality of first drying components are uniformly arranged in the drying tank body and comprise a first rotating ring, a plurality of first supporting strips are uniformly arranged on the upper side of the first rotating ring, a plurality of first drying scraping plates are uniformly obliquely arranged on the first supporting strips, a first drying disc is arranged on the lower side of the first drying scraping plates, the first drying disc is uniformly connected with a plurality of supporting air pipes, the supporting air pipes are connected with circular air distributing pipes, the circular air distributing pipes are fixedly connected with the drying tank body, and a second drying component is arranged between two adjacent first drying components, the second drying component comprises a second rotating ring, a plurality of second support bars are evenly arranged on the upper side of the second rotating ring, a plurality of second drying scrapers are evenly inclined on the second support bars, the orientation of the second drying scrapers is opposite to that of the first drying scrapers, a second drying plate is arranged on the lower side of the second drying scrapers, a circular through groove is formed in the center of the second drying plate, the second drying plate is fixedly connected with the drying tank body, a transmission component is connected to an output shaft of a second motor and is connected with a drying shaft, the drying shaft penetrates through the lower side of the drying tank body and is connected with the first rotating ring and the second rotating ring, the first drying plate and the second drying plate are both provided with inner cavities, gas transmission pipelines are arranged on the left side and the right side of the drying tank body and are connected with rectangular gas distribution pipes, the rectangular gas distribution pipes are embedded in the drying tank body and are connected with the inner cavities of the circular gas distribution pipes and the second drying plate, the drying tank body downside is equipped with the second bin outlet, the on-off control district is connected with external power source, the on-off control district is connected with first motor, intelligent tripper and second motor power source, gas transmission pipeline and external pipe connection.

By adopting the technical scheme of the utility model, firstly, the first motor is started through the switch control area, at the moment, the first motor rotates to drive the crushing shaft to rotate, thereby the first crushing body, the second crushing body and the third crushing body rotate, then the phosphogypsum raw material to be processed is added into the crushing tank body, the smaller phosphogypsum raw material directly falls down from the gap between the first crushing body and the inverted cone-shaped crushing cavity, the larger agglomerated phosphogypsum raw material is extruded, crushed and ground by the first crushing body and the crushing cavity, thereby the larger agglomerated phosphogypsum raw material is changed into the raw material with smaller volume, the phosphogypsum crushed and ground by the first crushing body falls into the gap between the second crushing body and the crushing cavity, and the phosphogypsum raw material crushed and ground by the second crushing body falls into the gap between the third crushing body and the crushing cavity, thus, the large agglomerated phosphogypsum raw material can be ground into the size suitable for processing layer by layer, the upper sides of the first crushing body, the second crushing body and the third crushing body are all conical, so that the crushed and ground phosphogypsum raw materials can be prevented from being retained, the production is facilitated, and the discharge strips on the lower side of the crushing shaft rotate along with the crushing shaft, so that the crushed and ground phosphogypsum raw materials can be pushed into the first discharge port; after the phosphogypsum is crushed and ground, the opening and closing control area controls the second motor to be started, meanwhile, an external heating medium is input into the rectangular gas distributing pipe through the gas transmission pipeline on one side, the rectangular gas distributing pipe respectively and continuously transmits the heating medium to the second drying disc and the circular gas distributing pipe, the circular gas distributing pipe is transmitted to the first drying disc through the supporting gas pipe, the heating medium passes through the first drying disc and enters the circular gas distributing pipe on the other side, finally, the heating medium of the circular gas distributing pipe on the other side and the heating medium of the second drying disc are converged at the rectangular gas distributing pipe on the other side and output through the gas transmission pipeline, so that the first drying disc and the second drying disc can be continuously heated, the raw materials are conveniently dried, the phosphogypsum raw materials are discharged into the drying tank body through the intelligent distributor and fall on the first drying disc, at the moment, the first supporting bar on the upper side of the first rotating ring rotates, the plurality of first drying scrapers of the first supporting strips can continuously scrape the phosphogypsum raw material falling on the first drying disc and enable the phosphogypsum raw material to move in a reverse spiral manner, so that the raw material can be continuously and efficiently dried and processed, the final raw material is continuously scraped by the first drying scrapers of the first supporting strips and falls to the second drying disc through a gap between the circular gas distributing pipe and the first drying disc, similarly, the second supporting strips on the upper side of the second rotating ring rotate along with the drying shaft, the plurality of second drying scrapers of the second supporting strips continuously scrape the phosphogypsum raw material on the second drying disc and enable the phosphogypsum raw material to move in a positive spiral manner, and the final raw material is scraped by the second drying scrapers and falls to the other first drying disc on the lower side of the second drying disc through the circular through grooves, so that the raw material can be continuously dried and the production is; the utility model discloses can carry out effectual crushing and grinding to the ardealite raw materials, make the great ardealite raw materials of caking smash, subsequent stoving and processing of being convenient for can carry out continuous drying process to the ardealite raw materials after smashing effectively simultaneously, have improved the efficiency and the quality of production, convenient to use in production.

Further inject, be equipped with two clearances between first crushing body, the second crushing body and the third crushing body, two the equal fixed connection of wall in clearance scrapes the strip. With such a structure, the phosphogypsum raw material after being crushed can be further prevented from being retained on the upper sides of the first crushing body, the second crushing body and the third crushing body.

Further limit, the surfaces of the first crushing body, the second crushing body and the third crushing body are provided with a plurality of grinding lugs. With such a structure, the grinding and grinding effect can be further improved, and the production quality can be ensured.

Further, the transmission assembly comprises a first belt wheel and a second belt wheel, the first belt wheel is connected with the output shaft of the second motor, a belt is arranged between the first belt wheel and the second belt wheel, and the second belt wheel is connected with the drying shaft. The structure is reasonable, and maintenance of each part is convenient.

Further limit, the upside of the crushing tank body is provided with a funnel. The structure can facilitate the charging of the phosphogypsum and the production.

Further inject, circular gas-distributing pipe includes half left side pipeline and half right side pipeline, half left side pipeline and half right side pipeline do not communicate, half left side pipeline of circular gas-distributing pipe supports the trachea tube coupling with half left side, half right side pipeline of circular gas-distributing pipe supports the trachea tube coupling with half right side. By adopting the structure, the input heating medium can be uniformly input into the first drying disk from the left half side supporting air pipe, and the heating medium is output from the right half side supporting air pipe after the first drying disk is heated.

The utility model discloses have following advantage with prior art relative ratio:

the utility model can effectively crush and grind the phosphogypsum raw material, crush the caked larger phosphogypsum raw material and facilitate the subsequent drying and processing; meanwhile, the method can effectively and continuously dry the crushed phosphogypsum raw material, improves the production efficiency and quality and is convenient to produce and use.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic structural diagram I of an embodiment of a phosphogypsum disc drying kettle with a good crushing effect;

FIG. 2 is a schematic structural diagram II of an embodiment of a phosphogypsum disc drying kettle with a good crushing effect;

FIG. 3 is a schematic structural view of a pulverizing tank and internal components of an embodiment of a phosphogypsum disc drying kettle with good pulverizing effect;

FIG. 4 is a schematic structural view of a drying tank body and internal components of an embodiment of a phosphogypsum disc type drying kettle with a good crushing effect of the utility model;

FIG. 5 is a schematic view of a first drying tray structure of an embodiment of a phosphogypsum tray type drying kettle with a good crushing effect;

FIG. 6 is a schematic structural view of a second drying tray of an embodiment of a phosphogypsum tray type drying kettle with a good crushing effect;

FIG. 7 is a schematic structural view of a transmission assembly of an embodiment of a phosphogypsum disc drying kettle with a good crushing effect;

FIG. 8 is a sectional view of a first pulverization body of an embodiment of a phosphogypsum disc type drying kettle with good pulverization effect;

the main element symbols are as follows:

the device comprises a crushing tank body 1, a first motor 11, a funnel 12, a crushing cavity 2, a first crushing body 21, a second crushing body 22, a third crushing body 23, a crushing shaft 24, a discharging strip 25, a first discharging opening 26, a discharging pipeline 27, a scraping strip 28, a drying tank body 3, a second motor 31, an intelligent distributor 32, a switch control area 33, an exhaust pipeline 34, a first rotating ring 4, a first supporting strip 41, a first drying scraper 411, a first drying disc 42, a supporting air pipe 43, a circular air distributing pipe 44, a second rotating ring 5, a second supporting strip 51, a second drying scraper 511, a second drying disc 52, a circular through groove 53, a drying shaft 54, an air conveying pipeline 6, a rectangular air distributing pipe 61, a second discharging opening 62, a first belt wheel 7, a second belt wheel 71 and a belt 72.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in fig. 1-8, a phosphogypsum disc type drying kettle with good crushing effect comprises a crushing tank body 1 and a drying tank body 3, wherein a first motor 11 is arranged at the lower side of the crushing tank body 1, a second motor 31 is arranged at the lower side of the drying tank body 3, an intelligent distributor 32 and a switch control area 33 are arranged at the upper side of the drying tank body 3, an inverted cone-shaped crushing cavity 2 is arranged in the crushing tank body 1, a first crushing body 21, a second crushing body 22 and a third crushing body 23 are respectively arranged in the crushing cavity 2 from top to bottom, the upper sides of the first crushing body 21, the second crushing body 22 and the third crushing body 23 are all cone-shaped, the distance between the second crushing body 22 and the inner wall of the crushing cavity 2 is smaller than the distance between the first crushing body 21 and the inner wall of the crushing cavity 2, the distance between the third crushing body 23 and the inner wall of the crushing cavity 2 is smaller than the distance between the second crushing body 22 and the inner wall of the crushing cavity 2, a crushing shaft, the crushing shaft 24 penetrates through the lower side of the crushing tank body 1 and is connected with the first crushing body 21, the second crushing body 22 and the third crushing body 23, the lower side of the crushing shaft 24 is provided with a discharging strip 25, the lower side of the crushing tank body 1 is provided with a drying tank body 3, the lower side of the crushing cavity 2 is provided with a first discharging port 26, the first discharging port 26 is connected with a discharging pipeline 27, the discharging pipeline 27 is connected with an intelligent distributor 32, the upper side of the drying tank body 3 is provided with an exhaust pipeline 34, a plurality of first drying components are uniformly arranged in the drying tank body 3, each first drying component comprises a first rotating ring 4, the upper side of the first rotating ring 4 is uniformly provided with a plurality of first supporting strips 41, a plurality of first drying scrapers 411 are uniformly and obliquely arranged on the plurality of first supporting strips 41, a first drying disc 42 is arranged on the lower side of the first drying scrapers 411, the first drying disc 42 is uniformly connected with a plurality of supporting air pipes 43, the supporting air, a second drying component is arranged between two adjacent first drying components, the second drying component comprises a second rotating ring 5, a plurality of second supporting bars 51 are uniformly arranged on the upper side of the second rotating ring 5, a plurality of second drying scrapers 511 are uniformly arranged on the plurality of second supporting bars 51 in an inclined manner, the directions of the second drying scrapers 511 and the first drying scrapers 411 are opposite, a second drying disc 52 is arranged on the lower side of the second drying scrapers 511, a circular through groove 53 is formed in the center of the second drying disc 52, the second drying disc 52 is fixedly connected with the drying tank body 3, an output shaft of the second motor 31 is connected with a transmission component, the transmission component is connected with a drying shaft 54, the drying shaft 54 penetrates through the lower side of the drying tank body 3 and is connected with the first rotating ring 4 and the second rotating ring 5, inner cavities are respectively arranged on the first drying disc 42 and the second drying disc 52, gas transmission pipelines 6 are respectively arranged on the left side and the right side of, the rectangular gas distributing pipe 61 is embedded in the drying tank body 3, the rectangular gas distributing pipe 61 is connected with inner cavity pipelines of the circular gas distributing pipe 44 and the second drying disc 52, the second discharging port 62 is arranged on the lower side of the drying tank body 3, the switch control area 33 is connected with an external power supply, the switch control area 33 is connected with the first motor 11, the intelligent distributor 32 and the second motor 31 through power supplies, and the gas transmission pipeline 6 is connected with the external pipelines.

By adopting the technical scheme of the utility model, firstly, the first motor 11 is started through the switch control area 33, at the moment, the first motor 11 rotates to drive the crushing shaft 24 to rotate, thereby the first crushing body 21, the second crushing body 22 and the third crushing body 23 rotate, then the phosphogypsum raw material to be processed is added into the crushing tank body 1, the smaller phosphogypsum raw material directly falls down from the gap between the first crushing body 21 and the inverted cone-shaped crushing cavity 2, the larger agglomerated phosphogypsum raw material is extruded, crushed and ground by the first crushing body 21 and the crushing cavity 2, thereby the smaller volume raw material is changed into, the phosphogypsum crushed and ground by the first crushing body 21 similarly falls into the gap between the second crushing body 22 and the crushing cavity 2 layer by layer, the phosphogypsum raw material crushed and ground by the second crushing body 22 falls into the gap between the third crushing body 23 and the crushing cavity 2 again, thus the crushing and grinding are carried out, the large agglomerated phosphogypsum raw materials can be crushed and ground into a large and small size suitable for processing, so that the production efficiency and quality can be improved, the upper sides of the first crushing body 21, the second crushing body 22 and the third crushing body 23 are all conical, so that the crushed and ground phosphogypsum raw materials can be prevented from being retained, the production is facilitated, the discharging strip 25 on the lower side of the crushing shaft 24 rotates along with the crushing shaft 24, and the crushed and ground phosphogypsum raw materials can be pushed into the first discharging port 27; after the phosphogypsum is crushed and ground, the opening and closing control area 33 controls the second motor 31 to be started, meanwhile, external heating media are input into the rectangular gas distribution pipe 61 through the gas transmission pipeline 6 on one side, the rectangular gas distribution pipe 61 respectively and continuously transmits the heating media to the second drying disc 52 and the circular gas distribution pipe 44, the circular gas distribution pipe 44 is transmitted to the first drying disc 42 through the supporting gas pipe 43, the heating media pass through the first drying disc 42 and enter the circular gas distribution pipe 44 on the other side, finally, the heating media of the circular gas distribution pipe 44 and the second drying disc 52 on the other side are collected in the rectangular gas distribution pipe 61 on the other side and output through the gas transmission pipeline 6, so that the first drying disc 42 and the second drying disc 52 can be continuously heated, the drying treatment of the raw materials is convenient, at the moment, the phosphogypsum raw materials are discharged into the drying tank body 3 through the intelligent distributor 32 and fall on the first drying disc 42, at this time, the first supporting bars 41 on the upper side of the first rotating ring 4 rotate along with the drying shaft 54, the first drying scrapers 411 of the first supporting bars 41 can continuously scrape the phosphogypsum raw material falling on the first drying disc 42 and make the phosphogypsum raw material move in an inverse spiral manner, so that the raw material can continuously and efficiently be dried, the final raw material is continuously scraped by the first drying scrapers 411 of the first supporting bars 41 and falls to the second drying disc 52 through a gap between the circular gas distributing pipe 44 and the first drying disc 42, similarly, the second supporting bars 51 on the upper side of the second rotating ring 5 rotate along with the drying shaft 54, the second drying scrapers 511 of the second supporting bars 51 continuously scrape the phosphogypsum raw material on the second drying disc 52 and make the phosphogypsum raw material move in a positive spiral manner, and finally is scraped by the second drying scrapers 511 and falls to the other first drying disc 42 on the lower side of the second drying disc 52 through the circular through grooves 53, thus, the raw materials can be dried continuously, and the production is convenient; the utility model discloses can carry out effectual crushing and grinding to the ardealite raw materials, make the great ardealite raw materials of caking smash, subsequent stoving and processing of being convenient for can carry out continuous drying process to the ardealite raw materials after smashing effectively simultaneously, have improved the efficiency and the quality of production, convenient to use in production.

Preferably, two gaps are provided between the first, second and third crushed

bodies

21, 22 and 23, and the wall surfaces of the two gaps are fixedly connected with the scraping strips 28. With such a configuration, the phosphogypsum raw material after being pulverized can be further prevented from being retained on the upper sides of the first pulverized body 21, the second pulverized body 22 and the third pulverized body 23. In fact, other configurations may be considered as the case may be, so as to avoid the phosphogypsum raw material after being crushed from being left on the upper sides of the first crushed body 21, the second crushed body 22 and the third crushed body 23.

Preferably, the surfaces of the first crushed body 21, the second crushed body 22 and the third crushed body 23 are provided with a plurality of grinding projections. With such a structure, the grinding and grinding effect can be further improved, and the production quality can be ensured. In fact, other structures can be considered according to specific situations, so that the crushing and grinding effects are further improved, and the production quality is improved.

Preferably, the transmission assembly comprises a first belt wheel 7 and a second belt wheel 71, the first belt wheel 7 is connected with an output shaft of the second motor 31, a belt 72 is arranged between the first belt wheel 7 and the second belt wheel 71, and the second belt wheel 71 is connected with the drying shaft 54. The structure is reasonable, and maintenance of each part is convenient. In fact, other configurations are contemplated as appropriate to facilitate maintenance and use of the components.

Preferably, the upper side of the crushing tank body 1 is provided with a funnel 12. The structure can facilitate the charging of the phosphogypsum and the production. In fact, other structures can be considered according to specific conditions, so that the phosphogypsum can be conveniently fed, and the production is convenient.

Preferably, the circular gas distributing pipe 44 comprises a left half pipe and a right half pipe, the left half pipe is not communicated with the right half pipe, the left half pipe of the circular gas distributing pipe 44 is connected with the left half supporting pipe 43 through a pipe, and the right half pipe of the circular gas distributing pipe 44 is connected with the right half supporting pipe 43 through a pipe. With such a configuration, the supplied heating medium can be uniformly supplied from the left half support air pipe 43 to the first drying tray 42, and can be discharged from the right half support air pipe 43 after the first drying tray 42 is heated. In fact, other connection methods can be used according to the specific situation, so that the heating medium can uniformly heat the first drying tray 42 and convey the heating medium.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a smash effectual ardealite disk drying kettle, includes the crushing jar body (1) and the dry jar body (3), the crushing jar body (1) downside is equipped with first motor (11), the dry jar body (3) downside is equipped with second motor (31), the dry jar body (3) upside is equipped with intelligent tripper (32) and on-off control district (33), its characterized in that: the crushing tank is characterized in that an inverted cone-shaped crushing cavity (2) is formed in the crushing tank body (1), a first crushing body (21), a second crushing body (22) and a third crushing body (23) are respectively arranged in the crushing cavity (2) from top to bottom, the upper sides of the first crushing body (21), the second crushing body (22) and the third crushing body (23) are conical, the distance between the second crushing body (22) and the inner wall of the crushing cavity (2) is smaller than the distance between the first crushing body (21) and the inner wall of the crushing cavity (2), the distance between the third crushing body (23) and the inner wall of the crushing cavity (2) is smaller than the distance between the second crushing body (22) and the inner wall of the crushing cavity (2), an output shaft (24) of the first motor (11) is connected with the crushing shaft (24), and the crushing shaft (24) penetrates through the lower side of the crushing tank body (1) and is connected with the first crushing body (21), the second crushing body (22) and the third crushing body (23), the drying device is characterized in that a discharging strip (25) is arranged on the lower side of the crushing shaft (24), a drying tank body (3) is arranged on the lower side of the crushing tank body (1), a first discharging port (26) is formed in the lower side of the crushing cavity (2), the first discharging port (26) is connected with a discharging pipeline (27), the discharging pipeline (27) is connected with an intelligent distributor (32), an exhaust pipeline (34) is arranged on the upper side of the drying tank body (3), a plurality of first drying assemblies are uniformly arranged in the drying tank body (3), each first drying assembly comprises a first rotating ring (4), a plurality of first supporting strips (41) are uniformly arranged on the upper side of each first rotating ring (4), a plurality of first drying scraping plates (411) are uniformly inclined and are provided with a plurality of first drying scraping plates (41), a first drying disc (42) is arranged on the lower side of each first drying scraping plate (411), a plurality of supporting air pipes (43) are uniformly connected with, the support trachea (43) is connected with circular trachea (44), circular trachea (44) and the dry jar body (3) fixed connection, be equipped with the dry subassembly of second between two adjacent dry subassemblies, the dry subassembly of second includes second change (5), second change (5) upside evenly is equipped with a plurality of second support bars (51), a plurality of the even slope of second support bar (51) is equipped with a plurality of dry scraper blade (511) of second, dry scraper blade (511) of second and first dry scraper blade (411) orientation are opposite, dry scraper blade (511) downside of second is equipped with second dry dish (52), open at second dry dish (52) center has circular logical groove (53), second dry dish (52) and the dry jar body (3) fixed connection, second motor (31) output shaft has drive assembly, the drying device is characterized in that the transmission assembly is connected with a drying shaft (54), the drying shaft (54) penetrates through the lower side of the drying tank body (3) and is connected with a first rotating ring (4) and a second rotating ring (5), the first drying tray (42) and the second drying tray (52) are respectively provided with an inner cavity, the left side and the right side of the drying tank body (3) are respectively provided with a gas transmission pipeline (6), the gas transmission pipeline (6) is connected with a rectangular gas distribution pipe (61), the rectangular gas distribution pipe (61) is embedded in the drying tank body (3), the rectangular gas distribution pipe (61) is connected with inner cavity pipelines of a circular gas distribution pipe (44) and the second drying tray (52), the lower side of the drying tank body (3) is provided with a second discharge port (62), the switch control area (33) is connected with an external power supply, the switch control area (33) is connected with a first motor (11), an intelligent distributor (32) and a second motor (31) power supply, the gas transmission pipeline (6) is connected with an external pipeline.

2. The phosphogypsum disc type drying kettle with good crushing effect according to claim 1, is characterized in that: two gaps are arranged among the first crushing body (21), the second crushing body (22) and the third crushing body (23), and the wall surfaces of the gaps are fixedly connected with scraping strips (28).

3. The phosphogypsum disc type drying kettle with good crushing effect according to claim 1, is characterized in that: the surfaces of the first crushing body (21), the second crushing body (22) and the third crushing body (23) are provided with a plurality of grinding lugs.

4. The phosphogypsum disc type drying kettle with good crushing effect according to claim 1, is characterized in that: the transmission assembly comprises a first belt wheel (7) and a second belt wheel (71), the first belt wheel (7) is connected with an output shaft of the second motor (31), a belt (72) is arranged between the first belt wheel (7) and the second belt wheel (71), and the second belt wheel (71) is connected with the drying shaft (54).

5. The phosphogypsum disc type drying kettle with good crushing effect according to claim 1, is characterized in that: the upper side of the crushing tank body (1) is provided with a funnel (12).

6. The phosphogypsum disc type drying kettle with good crushing effect according to claim 1, is characterized in that: circular gas-distributing pipe (44) include half left side pipeline and half right side pipeline, half left side pipeline and half right side pipeline do not communicate, half left side pipeline of circular gas-distributing pipe (44) and half left side support trachea (43) pipe connection, half right side pipeline of circular gas-distributing pipe (44) and half right side support trachea (43) pipe connection.