Compound drier for anhydrous sodium sulfate crude

Abstract

The present application relates to the technical field of dryers, and particularly relates to a composite dryer for anhydrous sodium sulfate crude product, which has simple structure, high reliability, can crush lumps and large particles, and is good in practicability; the composite dryer comprises a drying barrel, a heating chamber installed on the drying barrel, a heater arranged in the heating chamber, a blower installed on an air inlet of the heating chamber, a supply air pipe connected with an air outlet of the heating chamber, and the supply air pipe extending into the drying barrel; the composite dryer further comprises a motor, a connecting frame, a crushing plate, scrapers, a discharge pipe and an exhaust pipe; the motor is installed on the drying barrel in a liftable manner, a connecting frame is installed at a bottom end of an output shaft of the motor, the crushing plate is installed at a lower portion of the connecting frame, a plurality of material leakage holes are arranged on the crushing plate, a plurality of scrapers are slidably installed on the crushing plate, lower ends of the scrapers are in sliding contact with a bottom portion of a drying chamber of the drying barrel, an input end of the discharge pipe is in communication with the drying chamber of the drying barrel, the exhaust pipe is installed on the drying barrel, and the exhaust pipe is in communication with the drying chamber of the drying barrel.

Description

Technical Field

[0001] The invention relates to the technical field of dryers, in particular to a composite dryer for anhydrous sodium sulfate crude product. Background Art

[0002] Anhydrous sodium sulfate is a white, odorless, bitter-tasting crystal or powder that is hygroscopic. It is primarily used in the production of water glass, glass, enamel, paper pulp, refrigerant mixtures, detergents, desiccants, dye thinners, analytical chemical reagents, and pharmaceuticals.

[0003] During the preparation of anhydrous sodium sulfate, a crude product is first produced. This crude product has a high water content and requires drying. The prior art Chinese utility model patent with patent number "ZL202123253865.3" proposes a special disc dryer for drying sodium sulfate. The dryer is equipped with multiple layers of staggered small and large drying discs. The materials are stirred by rakes on the small and large drying discs, and the materials are alternately dropped and flattened on the small and large drying discs to dry the materials. However, the dryer has a complex structure, which can easily reduce the reliability of the equipment and cannot break up large lumps. Summary of the Invention

[0004] In order to solve the above technical problems, the present invention provides a composite dryer with simple structure, high reliability, the ability to crush agglomerates and large particles, and good practicality for crude anhydrous sodium sulfate.

[0005] The composite dryer of the present invention for producing crude anhydrous sodium sulfate comprises a drying barrel, a heating chamber, a blower and an air supply pipe, a drying chamber is provided inside the drying barrel, a feeding port is provided on the drying barrel, the feeding port is communicated with the drying chamber, the heating chamber is mounted on the drying barrel, a heater is provided inside the heating chamber, the blower is mounted on the air inlet of the heating chamber, the input end of the air supply pipe is connected with the air outlet of the heating chamber, and the output end of the air supply pipe extends into the drying chamber of the drying barrel; the composite dryer also comprises a motor, a connecting frame, a rolling plate, a scraper, a discharge pipe and an exhaust pipe, the motor is mounted on the drying barrel in a liftable manner, the connecting frame is mounted on the bottom end of the output shaft of the motor, the rolling plate is mounted on the lower part of the connecting frame, a plurality of leakage holes are provided on the rolling plate, a plurality of scrapers are slidably mounted on the rolling plate, the lower ends of the plurality of scrapers are in sliding contact with the bottom of the drying chamber of the drying barrel, the input end of the discharge pipe is communicated with the drying chamber of the drying barrel, the exhaust pipe is mounted on the drying barrel, and the exhaust pipe is communicated with the drying chamber of the drying barrel. The material is then blown away by the blower, and the hot air is blown away by the blower, and the material is blown away by the blower.

[0006] Preferably, it also includes a lifting push cylinder and a cross plate, the fixed end of the lifting push cylinder is installed on the cross plate, the piston rod of the lifting push cylinder is connected to the drying barrel, and the motor is installed on the cross plate; the extension of the lifting push cylinder drives the cross plate to rise, thereby driving the motor to rise, and then the rolling plate is raised to increase the distance from the bottom of the drying chamber of the drying barrel; the shortening of the lifting push cylinder drives the cross plate to lower, thereby driving the motor to lower, and then the rolling plate is lowered to reduce the distance from the bottom of the drying chamber of the drying barrel, so that the rolling plate can be lifted and lowered reciprocatingly to crush the bottom material. The technology is mature and the lifting stroke is controllable.

[0007] Preferably, it further includes multiple elastic components, and the two ends of the multiple elastic components are respectively connected to the connecting frame and the multiple scrapers; the elastic force of the multiple elastic components elastically presses the multiple scrapers against the bottom wall of the drying chamber of the drying barrel, so that the scrapers maintain close contact with the bottom wall of the drying chamber of the drying barrel, which is beneficial to the stirring of the material.

[0008] Preferably, it also includes protrusions, and multiple protrusions are arranged on the lower end surface of the rolling plate; the ability to crush agglomerated materials is improved by arranging multiple protrusions.

[0009] Preferably, a temperature sensor is further included, which is installed on the drying barrel, and the probe of the temperature sensor extends into the drying chamber of the drying barrel. The temperature sensor is electrically connected to the controller of the heater in the heating chamber; the temperature sensor detects the temperature in the drying chamber of the drying barrel, and controls the power of the heater in the heating chamber according to the temperature value, so that the hot air blown into the drying chamber of the drying barrel is maintained at a constant temperature, thereby improving the drying efficiency.

[0010] Preferably, a humidity sensor is further included, which is installed on the drying barrel, and the probe of the humidity sensor extends into the drying chamber of the drying barrel. The temperature sensor is electrically connected to the controller of the blower; the humidity sensor detects the humidity in the drying chamber of the drying barrel, and controls the operating power of the blower according to the humidity value. When the humidity value is detected to be lower than the set value, the blower stops and the drying is completed.

[0011] Preferably, it also includes a material receiving plate, and the edge of the rolling plate is provided with a material receiving plate extending outward and upward; the material receiving plate catches more falling materials, allowing more materials to fall into the bottom of the rolling plate through the leakage holes of the rolling plate, thereby improving the crushing rate of the materials.

[0012] Preferably, the bottom of the drying chamber of the drying barrel is provided with an inclined lower guide slope, the bottom of the drying chamber of the drying barrel is provided with an inclined upper guide slope, and the front cross-section of the drying chamber of the drying barrel forms a shuttle shape; through the above arrangement, the material stirred and thrown out by multiple scrapers falls into the middle of the drying chamber of the drying barrel along the bottom wall, lower guide slope, inner wall and upper guide slope of the drying chamber of the drying barrel, thereby forming a material circulation, which is beneficial to improving the drying efficiency, and at the same time makes most of the material be crushed by the rolling plate, reducing large lumps and large particles.

[0013] Preferably, the input end of the air supply pipe extends into the middle of the drying chamber of the drying barrel, and the output end of the air supply pipe is close to the rolling plate and away from the exhaust pipe; through the above arrangement, the hot air output by the air supply pipe reduces the interference with the material circulation, and at the same time makes the hot air contact with the material more sufficient.

[0014] Preferably, it also includes a gate plate, which is movably inserted between the input end of the discharge pipe and the outer wall of the drying barrel, and the upper part of the gate plate is bent with a handle; by setting the gate plate, it is convenient to close and open the discharge pipe, and the structure is simple to use. When the gate plate opens the discharge pipe, the scraper stirs and throws the material outward, so that the material is automatically discharged through the discharge pipe. By setting the discharge pipe at the bottom of the drying barrel, the material residue can be reduced.

[0015] The present invention has the following advantages compared with the prior art: during operation, the wet material is put into the drying chamber of the drying barrel through the feeding port of the drying barrel, the heater in the heating chamber is started, and the blower blows hot air into the drying chamber of the drying barrel through the heating chamber and the air supply pipe. The motor drives the connecting frame, the rolling plate and the multiple scrapers to rotate, and the multiple scrapers throw the material to the edge and stir it. The material falls under the action of its own weight. The material thrown to the middle of the drying barrel falls through the multiple leakage holes on the rolling plate and is stirred again, so that the material is fully in contact with the hot air, and the moisture in the material is blown out and evaporated by the heat, and is discharged through the exhaust pipe with the hot air to dry the material. At the same time, the motor rises and falls back and forth on the drying barrel. When the rolling plate descends, the rolling plate is close to the bottom of the drying chamber of the drying barrel to crush the agglomerated material to avoid the formation of large agglomerates and large particles. After drying is completed, the discharge pipe is opened and the material is discharged through the discharge pipe. Compared with the prior art, the structure is simple, thereby improving the reliability of the equipment, and it can crush agglomerates and large particles, and has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention;

[0017] Figure 2 It is a front cross-sectional structural schematic diagram of the present invention;

[0018] Figure 3 It is an axonometric structural diagram of the present invention;

[0019] Figure 4 It is a structural diagram of the motor, connecting frame, rolling plate, scraper, lifting cylinder and cross plate;

[0020] Figure 5 It is a schematic diagram of the axonometric structure of the motor, connecting frame, rolling plate, scraper, lifting cylinder and cross plate;

[0021] Markings in the attached figure: 1. Drying barrel; 2. Heating chamber; 3. Blower; 4. Air supply pipe; 5. Motor; 6. Connecting frame; 7. Rolling plate; 8. Scraper; 9. Discharge pipe; 10. Exhaust pipe; 11. Lifting cylinder; 12. Horizontal plate; 13. Elastic component; 14. Bump; 15. Temperature sensor; 16. Humidity sensor; 17. Material receiving plate; 18. Gate. DETAILED DESCRIPTION

[0022] To facilitate understanding of the present invention, the present invention will be described more fully below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0023] Example 1

[0024] A composite dryer for crude anhydrous sodium sulfate comprises a drying barrel 1, a heating chamber 2, a blower 3 and an air supply pipe 4. A drying chamber is provided inside the drying barrel 1, a feeding port is provided on the drying barrel 1, the feeding port is communicated with the drying chamber, the heating chamber 2 is mounted on the drying barrel 1, a heater is provided inside the heating chamber 2, the blower 3 is mounted on the air inlet of the heating chamber 2, the input end of the air supply pipe 4 is connected to the air outlet of the heating chamber 2, and the output end of the air supply pipe 4 extends into the drying chamber of the drying barrel 1; it also comprises a motor 5, a connecting frame 6, a rolling plate 7, a scraper 8, a discharge pipe 9 and an exhaust pipe 10. The motor 5 is mounted on the drying barrel 1 in a liftable manner, the bottom end of the output shaft of the motor 5 is mounted on the connecting frame 6, the rolling plate 7 is mounted on the lower part of the connecting frame 6, a plurality of leakage holes are provided on the rolling plate 7, a plurality of scrapers 8 are slidably mounted on the rolling plate 7, and the lower ends of the plurality of scrapers 8 are connected to the drying barrel 1. The bottom of the drying chamber is in sliding contact, the input end of the discharge pipe 9 is connected to the drying chamber of the drying barrel 1, and the exhaust pipe 10 is installed on the drying barrel 1, and the exhaust pipe 10 is connected to the drying chamber of the drying barrel 1; it also includes a lifting cylinder 11 and a cross plate 12, the fixed end of the lifting cylinder 11 is installed on the cross plate 12, the piston rod of the lifting cylinder 11 is connected to the drying barrel 1, and the motor 5 is installed on the cross plate 12; it also includes a plurality of elastic components 13, and the ends of the plurality of elastic components 13 are respectively connected to the connecting frame 6 and the plurality of scrapers 8; it also includes a protrusion 14, and the plurality of protrusions 14 are arranged on the lower end surface of the rolling plate 7; the input end of the air supply pipe 4 extends into the middle of the drying chamber of the drying barrel 1, and the output end of the air supply pipe 4 is close to the rolling plate 7 and away from the exhaust pipe 10; it also includes a gate plate 18, and the gate plate 18 is movably inserted between the input end of the discharge pipe 9 and the outer wall of the drying barrel 1, and the upper part of the gate plate 18 is bent with a handle.

[0025] During operation, the wet material is put into the drying chamber of the drying barrel 1 through the feeding port of the drying barrel 1, the heater in the heating chamber 2 is started, and the blower 3 blows hot air into the drying chamber of the drying barrel 1 through the heating chamber 2 and the air supply pipe 4. The motor 5 drives the connecting frame 6, the rolling plate 7 and the multiple scrapers 8 to rotate. The elastic force of the elastic component 13 elastically presses the multiple scrapers 8 against the bottom wall of the drying chamber of the drying barrel 1, so that the scrapers 8 maintain close contact with the bottom wall of the drying chamber of the drying barrel 1. The multiple scrapers 8 move the material. The material is thrown to the edge and stirred, and falls under the action of its own weight. The material thrown to the middle of the drying barrel 1 falls through the multiple leakage holes on the rolling plate 7 and is stirred again, so that the material is fully in contact with the hot air. The moisture in the material is blown out by the heat and evaporated, and is discharged through the exhaust pipe 10 along with the hot air to dry the material. At the same time, the lifting cylinder 11 extends to drive the cross plate 12 to rise, thereby driving the motor 5 to rise, and then the rolling plate 7 is raised to increase the distance from the bottom of the drying chamber of the drying barrel 1, and the lifting cylinder 11 is pushed The shortening drives the cross plate 12 to lower, thereby driving the motor 5 to lower, and then the rolling plate 7 is lowered to reduce the distance from the bottom of the drying chamber of the drying barrel 1, so that the rolling plate 7 is lifted and lowered to grind the bottom material. When the rolling plate 7 is lowered, the rolling plate 7 is close to the bottom of the drying chamber of the drying barrel 1 and crushes the agglomerated material through multiple protrusions 14 to avoid the formation of large agglomerates and large particles. After the drying is completed, the discharge pipe 9 is opened by the gate plate 18, and the scraper 8 stirs and throws the material outward so that the material is discharged through the discharge pipe 9. Compared with the existing technology, the structure is simple, thereby improving the reliability of the equipment, can crush agglomerates and large particles, has good practicality, mature technology, controllable lifting stroke, and multiple are beneficial to the stirring of the material. By setting multiple protrusions 14, the crushing ability of the agglomerated material is improved, and by optimizing the output end position of the air supply pipe 4, the hot air output by the air supply pipe 4 reduces the interference with the material circulation, and at the same time makes the hot air contact with the material more sufficient. By setting the discharge pipe 9 at the bottom of the drying barrel 1, material residue can be reduced.

[0026] Example 2

[0027] On the basis of Example 1, it further includes a temperature sensor 15, which is installed on the drying barrel 1, and the probe of the temperature sensor 15 extends into the drying chamber of the drying barrel 1, and the temperature sensor 15 is electrically connected to the controller of the heater in the heating chamber 2; it also includes a humidity sensor 16, which is installed on the drying barrel 1, and the probe of the humidity sensor 16 extends into the drying chamber of the drying barrel 1, and the temperature sensor 15 is electrically connected to the controller of the blower 3.

[0028] During operation, the temperature sensor 15 detects the temperature in the drying chamber of the drying barrel 1 and controls the power of the heater in the heating chamber 2 according to the temperature value, so that the hot air blown into the drying chamber of the drying barrel 1 is maintained at a constant temperature, thereby improving the drying efficiency. The humidity sensor 16 detects the humidity in the drying chamber of the drying barrel 1 and controls the operating power of the blower 3 according to the humidity value. When the humidity value is detected to be lower than the set value, the blower 3 stops and the drying is completed.

[0029] Example 3

[0030] On the basis of Example 1, it also includes a material receiving plate 17, and the edge of the rolling plate 7 is provided with a material receiving plate 17 extending outward and upward; the bottom of the drying chamber of the drying barrel 1 is provided with an inclined lower guide slope, and the bottom of the drying chamber of the drying barrel 1 is provided with an inclined upper guide slope, and the front cross-section of the drying chamber of the drying barrel 1 forms a shuttle shape.

[0031] Through the above arrangement, the materials stirred and thrown out by the multiple scrapers 8 fall into the middle of the drying chamber of the drying barrel 1 along the bottom wall, lower guide slope, inner side wall and upper guide slope of the drying chamber of the drying barrel 1, thereby forming a material circulation, which is beneficial to improving the drying efficiency. More falling materials are caught by the material receiving plate 17, so that most of the materials fall under the rolling plate 7 through the leakage holes of the rolling plate 7, thereby improving the crushing rate of the material and reducing large lumps and large particles.

[0032] like Figures 1 to 5 As shown, a composite dryer for anhydrous sodium sulfate crude product of the present invention, when working, first, wet material is put into the drying chamber of the drying barrel 1 through the feeding port of the drying barrel 1, the heater in the heating chamber 2 is started, and the blower 3 runs through the heating chamber 2 and the air supply pipe 4 to blow hot air into the drying chamber of the drying barrel 1, and then the motor 5 drives the connecting frame 6, the rolling plate 7 and the multiple scrapers 8 to rotate, and the multiple scrapers 8 throw and stir the material to the edge, and the material falls under the action of its own weight, passes through the upper and lower guide slopes and the inner wall guide of the drying barrel 1, and is thrown to the middle of the drying barrel 1 and passes through The material falls through the multiple leakage holes on the rolling plate 7 and is stirred again, so that the material is fully in contact with the hot air. The moisture in the material is blown out by the heat and evaporated, and is discharged through the exhaust pipe 10 along with the hot air to dry the material. Then the lifting cylinder 11 drives the motor 5 to lift and reciprocate on the drying barrel 1 through the cross plate 12. When the rolling plate 7 descends, the rolling plate 7 is close to the bottom of the drying chamber of the drying barrel 1 and crushes the agglomerated material through multiple protrusions 14 to avoid the formation of large agglomerates and large particles. Finally, the drying is completed, and the discharge pipe 9 is opened through the gate 18, and the material can be discharged through the discharge pipe 9.

[0033] The main functions achieved by the present invention are:

[0034] 1. Simple structure and high reliability;

[0035] 2. It can crush lumps and large particles, and has good practicality;

[0036] 3. It can stir and scatter materials to speed up drying.

[0037] The composite dryer for anhydrous sodium sulfate crude product of the present invention has an installation method, a connection method or a setting method that are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented; the drying barrel 1, the heating chamber 2, the blower 3, the motor 5, the lifting cylinder 11, the elastic component 13, the temperature sensor 15, and the humidity sensor 16 of the composite dryer for anhydrous sodium sulfate crude product of the present invention are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative work by technicians in this field.

[0038] All technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present invention pertains. The terms used in the present specification are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0039] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A composite dryer for anhydrous sodium sulfate crude product, comprising a drying barrel (1), a heating chamber (2), a blower (3) and an air supply pipe (4), wherein a drying chamber is provided inside the drying barrel (1), a feeding port is provided on the drying barrel (1), the feeding port is communicated with the drying chamber, the heating chamber (2) is mounted on the drying barrel (1), a heater is provided inside the heating chamber (2), the blower (3) is mounted on the air inlet of the heating chamber (2), the input end of the air supply pipe (4) is connected to the air outlet of the heating chamber (2), and the output end of the air supply pipe (4) extends into the drying chamber of the drying barrel (1); characterized in that It also includes a motor (5), a connecting frame (6), a rolling plate (7), a scraper (8), a discharge pipe (9) and an exhaust pipe (10), wherein the motor (5) is installed on the drying barrel (1) in a liftable manner, the connecting frame (6) is installed at the bottom end of the output shaft of the motor (5), the rolling plate (7) is installed at the lower part of the connecting frame (6), a plurality of leakage holes are provided on the rolling plate (7), a plurality of scrapers (8) are slidably installed on the rolling plate (7), the lower ends of the plurality of scrapers (8) are in sliding contact with the bottom of the drying chamber of the drying barrel (1), the input end of the discharge pipe (9) is communicated with the drying chamber of the drying barrel (1), the exhaust pipe (10) is installed on the drying barrel (1), and the exhaust pipe (10) is communicated with the drying chamber of the drying barrel (1); It also includes a material receiving plate (17), and the edge of the rolling plate (7) is provided with a material receiving plate (17) extending upward and outward; The bottom of the drying chamber of the drying barrel (1) is provided with an inclined lower guide slope, the top of the drying chamber of the drying barrel (1) is provided with an inclined upper guide slope, and the front cross-section of the drying chamber of the drying barrel (1) is formed in a shuttle shape.

2. A composite dryer for anhydrous sodium sulfate crude product according to claim 1, characterized in that: It also includes a lifting cylinder (11) and a transverse plate (12), wherein the fixed end of the lifting cylinder (11) is mounted on the transverse plate (12), the piston rod of the lifting cylinder (11) is connected to the drying barrel (1), and the motor (5) is mounted on the transverse plate (12).

3. A composite dryer for anhydrous sodium sulfate crude product according to claim 1, characterized in that: It also includes a plurality of elastic components (13), with two ends of the plurality of elastic components (13) respectively connected to the connecting frame (6) and the plurality of scrapers (8).

4. A composite dryer for anhydrous sodium sulfate crude product according to claim 1, characterized in that: It also includes a protrusion (14), and a plurality of protrusions (14) are arranged on the lower end surface of the rolling plate (7).

5. The composite dryer for anhydrous sodium sulfate crude product according to claim 1, characterized in that: The device further comprises a temperature sensor (15), which is mounted on the drying barrel (1), a probe of the temperature sensor (15) extending into the drying chamber of the drying barrel (1), and the temperature sensor (15) is electrically connected to a controller of a heater in the heating chamber (2).

6. A composite dryer for anhydrous sodium sulfate crude product according to claim 1, characterized in that: It also includes a humidity sensor (16), which is installed on the drying barrel (1), and a probe of the humidity sensor (16) extends into the drying chamber of the drying barrel (1), and the temperature sensor (15) is electrically connected to the controller of the blower (3).

7. The composite dryer for anhydrous sodium sulfate crude product according to claim 1, characterized in that: The input end of the air supply pipe (4) extends into the middle of the drying chamber of the drying barrel (1), and the output end of the air supply pipe (4) is close to the rolling plate (7) and away from the exhaust pipe (10).

8. The composite dryer for anhydrous sodium sulfate crude product according to claim 1, characterized in that: The invention also includes a gate plate (18), which is movably inserted between the input end of the discharge pipe (9) and the outer wall of the drying barrel (1), and the upper part of the gate plate (18) is bent to form a handle.

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