CN219531558U

CN219531558U - Drying device

Info

Publication number: CN219531558U
Application number: CN202320372247.0U
Authority: CN
Inventors: 杨晖; 陈惠芳
Original assignee: Tongling Jiye Water Purification Material Co ltd
Current assignee: Tongling Jiye Water Purification Material Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-08-15
Anticipated expiration: 2033-02-27

Abstract

The utility model discloses a drying device, which comprises a drying box with an inlet for adding aluminum sulfate at the upper end, cyclone assemblies are annularly distributed on the inner wall of the drying box, an air blast assembly for upward air blast is arranged at the bottom of the drying box, the cyclone assemblies and the air blast assembly are both used for introducing hot air into the drying box to dry the aluminum sulfate, a temporary storage cavity is arranged below the air blast assembly, and the bottom of the temporary storage cavity is communicated with a discharge pipe. The cyclone component comprises a semicircular annular connecting ring pipe with an airflow channel arranged inside, a second connecting pipe communicated with the airflow channel of the connecting ring pipe is arranged in the middle of the connecting ring pipe, a first cyclone pipe and a second cyclone pipe are respectively arranged at two ends of the connecting ring pipe, and the air outlet directions of the first cyclone pipe and the second cyclone pipe are annularly distributed along the same direction. The device can fully contact the aluminum sulfate with hot air, and remarkably improves the drying efficiency of the aluminum sulfate.

Description

Drying device

Technical Field

The utility model relates to the technical field of aluminum sulfate production, in particular to a drying device.

Background

Aluminum sulfate is a porous material with an off-white fine crystal structure, and is mainly used as a flocculant in water treatment, aluminum sulfate needs to be dried in the production process of aluminum sulfate, and the existing aluminum sulfate drying mode mainly adopts hot air drying, but the existing drying equipment cannot sufficiently dry aluminum sulfate and hot air, so that the drying efficiency of aluminum sulfate is poor, and therefore, development of a drying device for improving the drying efficiency of aluminum sulfate is needed.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, an object of the present utility model is to provide a drying apparatus that allows aluminum sulfate to be fully contacted with hot air, thereby significantly improving the drying efficiency of aluminum sulfate.

The drying device comprises a drying box with an inlet for adding aluminum sulfate at the upper end, cyclone assemblies are annularly distributed on the inner wall of the drying box, an air blast assembly for upward air blast is arranged at the bottom of the drying box, the cyclone assemblies and the air blast assembly are both used for introducing hot air into the drying box to dry the aluminum sulfate, a temporary storage cavity is arranged below the air blast assembly, and a discharge pipe is communicated with the bottom of the temporary storage cavity.

Preferably, the cyclone assembly comprises a semicircular annular connecting ring pipe with an airflow channel arranged inside, a second connecting pipe communicated with the airflow channel of the connecting ring pipe is arranged in the middle of the connecting ring pipe, a first cyclone pipe and a second cyclone pipe are respectively arranged at two ends of the connecting ring pipe, and the air outlet directions of the first cyclone pipe and the second cyclone pipe are annularly distributed along the same direction.

Preferably, the blast assembly comprises a transverse pipe and a longitudinal pipe which are distributed in a staggered manner, wherein the inner cavities of the transverse pipe and the longitudinal pipe are communicated, the blower pipe is arranged at the staggered position of the transverse pipe and the longitudinal pipe, a ventilation cavity is arranged in the blower pipe, the lower end of the ventilation cavity is communicated with the inner cavities of the transverse pipe and the longitudinal pipe, a plurality of ventilation holes are formed in the upper end of the ventilation cavity, an adjusting ball is further arranged in the ventilation cavity, a spring is further arranged at the upper end of the adjusting ball, one side of the spring, which is far away from the adjusting ball, is fixedly connected with the top of the ventilation cavity, and the transverse pipe/the longitudinal pipe is further connected with a first connecting pipe.

Preferably, the drying cabinet upper end still is provided with crushing case, crushing case lower extreme is opened there is the bin outlet in order to communicate the inner chamber of drying cabinet, it is provided with the crushing roller of a plurality of mutually supporting in order to realize the crushing of aluminium sulfate to smash the incasement, it can dismantle at crushing case top and be provided with the end cover, end cover upper end intercommunication has the feeder hopper, it is provided with the screen cloth still to dismantle below the crushing roller.

Preferably, the upper end of the end cover is also provided with a circulating pump, the air inlet end of the circulating pump is communicated with the inner cavity of the crushing cavity through an exhaust pipe, the air outlet end of the circulating pump is communicated with the air inlet ends of the cyclone component and the air blast component through a circulating pipe, and the circulating pipe is also provided with a drying pipe and a heating pipe.

Preferably, the cyclone assembly is communicated with the circulating pipe through a first branch pipe, the air blast assembly is communicated with the circulating pipe through a second branch pipe, and the first branch pipe and the second branch pipe are respectively provided with a first regulating valve and a second regulating valve.

The beneficial effects of the utility model are as follows:

(1) According to the utility model, the cyclone assembly and the air blowing assembly are arranged, so that the formed hot air can dry falling aluminum sulfate, wherein the cyclone assembly rotates on the periphery of the aluminum sulfate, so that falling aluminum sulfate particles can generate rotary acting force, the air blowing assembly forms upward wind force, and the movement direction of the air blowing assembly is opposite to that of the aluminum sulfate, so that the falling aluminum sulfate can generate rotary acting force, the drying efficiency of the aluminum sulfate is improved, and the problem that the aluminum sulfate at the outer edge cannot be dried due to the fact that the aluminum sulfate is not easy to contact with the hot air can be avoided.

(2) The utility model is also provided with the crushing box before drying, so that the aluminum sulfate can be crushed, thereby improving the contact area of the aluminum sulfate and hot air during the subsequent drying treatment and further improving the drying efficiency of the aluminum sulfate.

(3) The utility model is also provided with the hot air circulation pipe, the circulation of the air in the crushing box and the drying box is realized through the circulation pump, the air in the drying box still keeps higher temperature after the aluminum sulfate is dried, at the moment, the hot air continuously rises from the discharge port, the purpose of preliminary drying the aluminum sulfate in the crushing box can be achieved, the full utilization of heat is realized, the air with moisture enters the drying pipe through the circulation pump to be dried and dehumidified at the extreme center, and then the air can continuously enter the drying box to dry the aluminum sulfate after being heated through the heating pipe, so that the recycling of hot air is realized.

Drawings

Fig. 1 is a schematic structural diagram of a drying device according to the present utility model;

FIG. 2 is a top view of a cyclone assembly according to the present utility model;

FIG. 3 is a side view of a cyclone assembly according to the present utility model;

FIG. 4 is a top view of a blower assembly according to the present utility model;

FIG. 5 is a schematic view of a blower tube of an air outlet tube according to the present utility model;

fig. 6 is a schematic view of the flow direction of the air in the cyclone assembly and the blower assembly according to the present utility model.

In the figure: 1-end cap, 2-feed hopper, 3-exhaust pipe, 4-circulation pump, 5-circulation pipe, 6-drying pipe, 7-heating pipe, 8-first branch pipe, 9-first regulating valve, 10-second branch pipe, 11-second regulating valve, 12-temporary storage chamber, 13-discharge pipe, 14-blast assembly, 1401-horizontal pipe, 1402-vertical pipe, 1403-blast pipe, 1404-first connecting pipe, 1405-spring, 1406-regulating ball, 1407-ventilation chamber, 1408-ventilation hole, 15-cyclone assembly, 1501-second connecting pipe, 1502-connecting loop, 1503-first cyclone pipe, 1504-second cyclone pipe, 16-drying box, 17-discharge port, 18-crushing box, 19-screen, 20-crushing roller.

Detailed Description

Referring to fig. 1, the drying device comprises a drying box 16 with an inlet for adding aluminum sulfate at the upper end, cyclone assemblies 15 are annularly distributed on the inner wall of the drying box 16, an air blast assembly 14 for upward air blast is arranged at the bottom of the drying box 16, the cyclone assemblies 15 and the air blast assembly 14 are both used for introducing hot air into the drying box 16 to dry the aluminum sulfate, a temporary storage cavity 12 is arranged below the air blast assembly 14, and a discharge pipe 13 is communicated with the bottom of the temporary storage cavity 12.

Fig. 6 is a schematic diagram of the gas flow directions of the cyclone assembly and the blower assembly according to the present utility model, wherein the cyclone assembly and the blower assembly are provided to form hot air to dry falling aluminum sulfate, the cyclone assembly rotates around the aluminum sulfate to generate a rotating force on the falling aluminum sulfate particles, the blower assembly forms an upward wind force, and the blower assembly also generates a rotating force on the falling aluminum sulfate in the opposite direction to the movement direction of the aluminum sulfate, so that the drying efficiency of the aluminum sulfate is improved, and the cyclone assembly is further provided to avoid the problem that the aluminum sulfate at the outer edge is not easy to contact with the hot air and cannot be dried.

Referring to fig. 2 and 3, in particular, as a preferred embodiment of the present utility model, the cyclone assembly 15 includes a semicircular annular connection collar 1502 having an airflow passage provided therein, a second connection pipe 1501 communicating with the airflow passage of the connection collar 1502 is provided at a middle portion of the connection collar 1502, a first cyclone tube 1503 and a second cyclone tube 1504 are provided at both ends of the connection collar 1502, respectively, and air outlet directions of the first cyclone tube 1503 and the second cyclone tube 1504 are annularly distributed in the same direction. The wind direction formed by the first cyclone tube 1503 and the second cyclone tube 1504 makes the aluminum sulfate located at the outer edge rotate under the action of wind force, so that the drying efficiency of the aluminum sulfate is improved, and the problem that the aluminum sulfate located at the outer edge cannot be dried due to the fact that the aluminum sulfate is not easy to contact with hot wind can be avoided.

Referring to fig. 4 and 5, specifically, as a preferred embodiment of the present utility model, the blower assembly 14 includes transverse tubes 1401 and longitudinal tubes 1402 which are distributed in a staggered manner, the inner cavities of the transverse tubes 1401 and the longitudinal tubes 1402 are communicated, the blower tubes 1403 are arranged at the staggered positions of the transverse tubes 1401 and the longitudinal tubes 1402, ventilation cavities 1407 are arranged in the blower tubes 1403, the lower ends of the ventilation cavities 1407 are communicated with the inner cavities of the transverse tubes 1401 and the longitudinal tubes 1402, a plurality of ventilation holes 1408 are formed at the upper ends of the ventilation cavities 1407, an adjusting ball 1406 is further arranged in the ventilation cavities 1407, a spring 1405 is further arranged at the upper ends of the adjusting ball 1406, one side of the spring 1405 away from the adjusting ball 1406 is fixedly connected with the top of the ventilation cavities 1407, and the transverse tubes 1401/the longitudinal tubes 1402 are further connected with a first connecting tube 1404.

Hot air enters the transverse pipe and the longitudinal pipe from the first connecting pipe, then enters the ventilation cavity of the blast pipe, pushes the adjusting ball to compress the spring, at the moment, the ventilation hole is communicated with the inner cavities of the transverse pipe and the longitudinal pipe, hot air is discharged from the ventilation hole, after drying is finished, the blast assembly is controlled to continue ventilation for a period of time, then ventilation is stopped, at the moment, the adjusting ball cuts off the ventilation cavity under the action of the spring and self gravity, and the problem that the aluminum sulfate enters the transverse pipe or the longitudinal pipe to be blocked is avoided.

In order to further improve the drying efficiency of aluminum sulfate, the upper end of the drying box 16 is further provided with a crushing box 18, the lower end of the crushing box 18 is provided with a discharge port 17 so as to be communicated with the inner cavity of the drying box 16, a plurality of mutually matched crushing rollers 20 are arranged in the crushing box 18 so as to crush the aluminum sulfate, the top of the crushing box 18 is detachably provided with an end cover 1, the upper end of the end cover 1 is communicated with a feed hopper 2, and a screen 19 is further detachably arranged below the crushing rollers 20.

The crushing box can crush aluminum sulfate, so that the contact area of aluminum sulfate and hot air during subsequent drying treatment is increased, and the drying efficiency of aluminum sulfate is improved.

In addition, the upper end of the end cover is also provided with a circulating pump 4, the air inlet end of the circulating pump 4 is communicated with the inner cavity of the crushing cavity 18 through an exhaust pipe 3, the air outlet end of the circulating pump 4 is communicated with the air inlet ends of the cyclone assembly 15 and the blast assembly 14 through a circulating pipe 5, and the circulating pipe 5 is also provided with a drying pipe and a heating pipe; the cyclone assembly 15 communicates with the circulation pipe 5 through the first branch pipe 8, and the blower assembly 14 communicates with the circulation pipe 5 through the second branch pipe 10, and the first and second branch pipes 8 and 10 are provided with the first and second regulating valves 9 and 11, respectively.

The utility model is also provided with the hot air circulation pipe, the circulation of the air in the crushing box and the drying box is realized through the circulation pump, the air in the drying box still keeps higher temperature after the aluminum sulfate is dried, at the moment, the hot air continuously rises from the discharge port, the purpose of preliminary drying the aluminum sulfate in the crushing box can be achieved, the full utilization of heat is realized, the air with moisture enters the drying pipe through the circulation pump to be dried and dehumidified at the extreme center, and then the air can continuously enter the drying box to dry the aluminum sulfate after being heated through the heating pipe, so that the recycling of hot air is realized. The utility model can also determine the optimal wind speed by controlling the flow rates of the first regulating valve and the second regulating valve.

For the drying pipe in the utility model, the air is mainly dehumidified, and the existing dehumidification mode (such as a drying agent and the like) is adopted; for the heating pipe, mainly heat the air, adopt prior art can equally, first governing valve and second governing valve can be adjusted through manual rotation's mode.

Claims

1. The drying device is characterized by comprising a drying box (16) with an inlet for adding materials at the upper end, cyclone assemblies (15) are annularly distributed on the inner wall of the drying box (16), an air blowing assembly (14) for blowing upwards is arranged at the bottom of the drying box (16), the cyclone assemblies (15) and the air blowing assembly (14) are both used for introducing hot air into the drying box (16) to dry the materials, a temporary storage cavity (12) is arranged below the air blowing assembly (14), and a discharge pipe (13) is communicated with the bottom of the temporary storage cavity (12); the cyclone component (15) comprises a semicircular annular connecting ring pipe (1502) with an airflow channel arranged inside, a second connecting pipe (1501) communicated with the airflow channel of the connecting ring pipe (1502) is arranged in the middle of the connecting ring pipe (1502), a first cyclone pipe (1503) and a second cyclone pipe (1504) are respectively arranged at two ends of the connecting ring pipe (1502), and the air outlet directions of the first cyclone pipe (1503) and the second cyclone pipe (1504) are annularly distributed along the same direction.

2. The drying device according to claim 1, wherein the air blast assembly (14) comprises transverse pipes (1401) and longitudinal pipes (1402) which are distributed in a staggered manner, the inner cavities of the transverse pipes (1401) and the longitudinal pipes (1402) are communicated, air blast pipes (1403) are arranged at the staggered positions of the transverse pipes (1401) and the longitudinal pipes (1402), ventilation cavities (1407) are arranged in the air blast pipes (1403), the lower ends of the ventilation cavities (1407) are communicated with the inner cavities of the transverse pipes (1401) and the longitudinal pipes (1402), a plurality of ventilation holes (1408) are formed in the upper ends of the ventilation cavities (1407), regulating balls (1406) are further arranged in the ventilation cavities (1407), one side of each spring (1405) away from the regulating balls (1406) is fixedly connected with the tops of the ventilation cavities (1407), and first connecting pipes (1404) are further connected to the transverse pipes (1401)/the longitudinal pipes (1402).

3. The drying device according to claim 1, characterized in that a crushing box (18) is further arranged at the upper end of the drying box (16), a discharge opening (17) is formed in the lower end of the crushing box (18) to be communicated with the inner cavity of the drying box (16), a plurality of mutually matched crushing rollers (20) are arranged in the crushing box (18) to crush materials, an end cover (1) is detachably arranged at the top of the crushing box (18), a feed hopper (2) is communicated with the upper end of the end cover (1), and a screen (19) is further detachably arranged below the crushing rollers (20).

4. A drying device according to claim 3, wherein the upper end of the end cover is further provided with a circulating pump (4), the air inlet end of the circulating pump (4) is communicated with the inner cavity of the crushing box (18) through an exhaust pipe (3), the air outlet end of the circulating pump (4) is communicated with the air inlet ends of the cyclone assembly (15) and the blast assembly (14) through a circulating pipe (5), and the circulating pipe (5) is further provided with a drying pipe and a heating pipe.

5. Drying apparatus according to claim 4, wherein the cyclone assembly (15) communicates with the circulation duct (5) via a first branch duct (8), the blower assembly (14) communicates with the circulation duct (5) via a second branch duct (10), and the first and second branch ducts (8, 10) are provided with a first and a second regulating valve (9, 11), respectively.