A drying system and use method of ammonium perchlorate

Abstract

The present invention relates to a technical field of ammonium perchlorate drying, and specifically to an ammonium perchlorate drying system and a method of use. The system comprises a base, a lower tank body is fixed on the base, an upper tank body is fixedly connected to the upper end of the lower tank body, a top plate of the upper tank body and a bottom plate of the lower tank body are fixedly connected via a vertical rod, a slide plate is slidably arranged on the vertical rod, a rotating sleeve is rotatably connected to the lower end of the slide plate, an annular rack is coaxially fixed in the lower end of the rotating sleeve, a fixed block is fixed at the lower end of the slide plate, a rotating shaft is rotatably connected to the fixed block, a first gear, a second gear and a third gear are coaxially fixed on the rotating shaft, the third gear is meshed with the annular rack, a vertical lower rack is fixed on the vertical rod in the lower tank body, the lower rack is meshed with the first gear, and a filter box is fixed at the lower end of the rotating sleeve. The drying system can pick out the agglomerated ammonium perchlorate and transfer it to the upper tank body, and the agglomerated ammonium perchlorate entering the upper tank body is broken after hitting the upper tank body.

Description

Technical Field

[0001] The invention relates to the technical field of ammonium perchlorate drying, and in particular to an ammonium perchlorate drying system and a use method thereof. Background Art

[0002] Ammonium perchlorate is an inorganic compound, a white crystalline powder, and is deliquescent. Ammonium perchlorate is a strong oxidant, and will explode when mixed with reducing agents, organic matter, flammable substances such as sulfur, phosphorus, or metal powder. Contact with strong acids may cause combustion and explosion. It is used to make explosives, fireworks, and as an analytical reagent.

[0003] After the production of ammonium perchlorate is completed, some lumps will form. In order to improve the product quality, the ammonium perchlorate needs to be dried and the lumps need to be broken. The existing equipment for drying and breaking ammonium perchlorate is generally a vacuum dryer with a stirring component. The vacuum dryer heats the ammonium perchlorate inside as a whole, and then uses the stirring component to stir the ammonium perchlorate to break the lumps. The vacuum dryer consumes a lot of heat and energy when working. Relying only on the stirring component to break the lumped ammonium perchlorate is inefficient and ineffective, and requires a long time of stirring, which consumes a lot of energy. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a drying system and a use method which can save energy consumption and has high efficiency in breaking up agglomerated ammonium perchlorate.

[0005] In order to achieve the above object, the technical solution provided by the present invention is:

[0006] A drying system for ammonium perchlorate comprises a base, a lower tank body is fixed on the base, an upper tank body is fixedly connected to the upper end of the lower tank body, a feed pipe is fixedly connected to the upper end of the upper tank body, a discharge pipe is fixedly connected to the lower end of the lower tank body, a vacuum assembly and a heating assembly are arranged on the upper tank body, the diameter of the upper tank body is larger than the diameter of the lower tank body, a top plate of the upper tank body and a bottom plate of the lower tank body are fixedly connected by a vertical rod, the vertical rod is located in the upper tank body and the lower tank body, a slide plate is slidably arranged on the vertical rod, a driving unit connected to the slide plate is arranged on the top plate of the upper tank body, a rotating sleeve is rotatably connected to the lower end of the slide plate, an annular rack is concentrically fixed in the lower end of the rotating sleeve, a fixed block is fixed on the lower end of the slide plate, a rotating shaft is rotatably connected to the fixed block, the rotating shaft is perpendicular to the vertical rod, a first gear, a second gear and a third gear are concentrically fixed on the rotating shaft, and the third gear is connected to the annular rack. The gears are meshed with each other, and the diameter of the second gear is smaller than that of the first gear. A vertical lower gear is fixed on the vertical rod in the lower tank body, and the lower gear meshes with the first gear. A vertical upper gear is fixed on the vertical rod in the upper tank body, and the upper gear corresponds to the second gear. After the first gear is separated from the lower gear, the upper gear can mesh with the second gear. A filter box is fixed at the lower end of the rotating sleeve, and the filter box is made of filter plates. Collection chambers are machined on both sides of the filter box, and the two collection chambers are symmetrical according to the axis center of the lower tank body. Interception assemblies are arranged at both ends of the filter box, and the two interception assemblies are symmetrical according to the axis center of the lower tank body. When the filter box is in the lower tank body, the interception assembly contacts the inner wall of the lower tank body. After the filter box rotates and moves upward into the upper tank body, the interception assembly can be opened. After the interception assembly is opened, the agglomerated ammonium perchlorate is thrown out of the collecting chamber and hits the upper tank body.

[0007] Specifically, the heating assembly includes a heating ring, which is fixed on the outer side of the upper tank body.

[0008] Specifically, the vacuum assembly includes a shell, which is fixed on the upper end of the top plate of the upper tank body. A plurality of air holes are opened on the top plate of the upper tank body. The shell and the upper tank body are connected through the plurality of air holes. An air pump is fixed on the upper end of the top plate of the upper tank body, and the air inlet end of the air pump is connected to the shell.

[0009] The transmission gear of the present invention is a gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a

[0010] Specifically, the driving unit includes a vertically arranged cylinder, the cylinder is fixed on the top plate of the upper tank body, and the telescopic end of the cylinder is fixedly connected to the slide plate.

[0011] The invention discloses a method for using an ammonium perchlorate drying system. The method comprises the following steps: adding ammonium perchlorate into a lower tank body through a feed pipe, starting a heating component and a vacuum pumping component, wherein the vacuum pumping component can generate negative pressure in an upper tank body and a lower tank body; starting a cylinder, wherein the cylinder causes a slide plate to move upward, and when the slide plate moves upward, a filter box and a rotating sleeve rotate in the process of moving upward under the meshing action of a lower rack and a first gear, and a meshing action of a third gear and an annular rack; when the filter box rotates, non-agglomerated ammonium perchlorate passes through the filter box, and agglomerated ammonium perchlorate remains in a collecting chamber; after the filter box enters an upper tank body, a second gear meshes with an upper rack, and a rotation speed increases in the process of the filter box moving upward; after an intercepting component is opened in the upper tank body, agglomerated ammonium perchlorate is thrown out of the collecting chamber and hits an inner wall of the upper tank body, and the agglomerated ammonium perchlorate is broken; at the same time, the heating component causes the temperature of the upper tank body to increase, and the broken ammonium perchlorate can be heated and dried after contacting the inner wall of the upper tank body.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. This drying system can pick out the agglomerated ammonium perchlorate and transfer it to the upper tank body. The agglomerated ammonium perchlorate entering the upper tank body will be broken after impacting the upper tank body. At the same time, the ammonium perchlorate in contact with the upper tank body can be heated and dried, which can improve the efficiency of breaking the agglomerated ammonium perchlorate.

[0014] 2. This drying system can focus on heating and drying the agglomerated ammonium perchlorate, so it can achieve rapid drying of the agglomerated ammonium perchlorate.

[0015] 3. After the agglomerated ammonium perchlorate hits the upper tank body, the ammonium perchlorate adhering to the inner wall of the upper tank body can be scraped off by the arc plate to prevent the ammonium perchlorate from remaining in the upper tank body. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 It is a cross-sectional view of the upper tank body and the lower tank body.

[0018] Figure 3 A schematic diagram of the filter box.

[0019] Figure 4 for Figure 3 Magnified view of area A.

[0020] Figure 5 It is a schematic diagram of the connection between the filter box and the rotating sleeve.

[0021] Figure 6 Schematic diagram of the connection between the slide plate and the fixed block.

[0022] Figure 7 A schematic cross-sectional view of the filter box.

[0023] The names of the parts in the accompanying drawings are: 1. Base; 2. Lower tank body; 3. Upper tank body; 4. Heating ring; 5. Shell; 6. Air pump; 7. Feed pipe; 8. Discharge pipe; 9. Air hole; 10. Cylinder; 11. Slide plate; 12. Rotating sleeve; 13. Fixed block; 14. First gear; 15. Second gear; 16. Vertical rod; 17. Lower rack; 18. Fixed ring; 19. Upper rack; 20. Third gear; 21. Annular rack; 22. Filter box; 23. Collecting chamber; 24. Arc plate; 25. Wedge plate; 26. First pulley; 27. Belt; 28. Second pulley; 29. ​​Fourth gear; 30. Drive rack. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] like Figure 1-Figure 7 As shown, an ammonium perchlorate drying system includes a base 1, a lower tank body 2 is fixed on the base 1, the upper end of the lower tank body 2 is fixedly connected to an upper tank body 3, the upper end of the upper tank body 3 is fixedly connected to a feed pipe 7, the lower end of the lower tank body 2 is fixedly connected to a discharge pipe 8, and a vacuum assembly and a heating assembly are arranged on the upper tank body 3.

[0026] The heating assembly comprises a heating ring 4 , which is fixed on the outer side of the upper tank body 3 .

[0027] The vacuum pump assembly includes a shell 5, which is fixed to the upper end of the top plate of the upper tank body 3. A plurality of air holes 9 are provided on the top plate of the upper tank body 3. The shell 5 is connected to the upper tank body 3 through the plurality of air holes 9. An air pump 6 is fixed to the upper end of the top plate of the upper tank body 3, and the air inlet end of the air pump 6 is connected to the shell 5.

[0028] When drying ammonium perchlorate, the air pump 6 is started, and the air pump 6 can extract the gas in the upper tank body 3 and the lower tank body 2 through the shell 5 and the air hole 9, so that negative pressure can be generated in the upper tank body 3 and the lower tank body 2, and the water in the upper tank body 3 and the lower tank body 2 can be discharged faster.

[0029] The diameter of the upper tank body 3 is greater than the diameter of the lower tank body 2 .

[0030] The top plate of the upper tank body 3 and the bottom plate of the lower tank body 2 are fixedly connected via a vertical rod 16 , and the vertical rod 16 is located inside the upper tank body 3 and the lower tank body 2 .

[0031] A slide plate 11 is slidably arranged on the vertical rod 16, and a driving unit connected to the slide plate 11 is arranged on the top plate of the upper tank body 3. Specifically, the driving unit includes a vertically arranged cylinder 10, the cylinder 10 is fixed on the top plate of the upper tank body 3, and the telescopic end of the cylinder 10 is fixedly connected to the slide plate 11. When the cylinder 10 is started, the cylinder 10 can drive the slide plate 11 to slide on the vertical rod 16.

[0032] The lower end of the slide plate 11 is rotatably connected to a rotating sleeve 12, and an annular rack 21 is concentrically fixed in the lower end of the rotating sleeve 12. A fixed block 13 is fixed to the lower end of the slide plate 11, and a rotating shaft is rotatably connected to the fixed block 13. The rotating shaft is perpendicular to the vertical rod 16, and a first gear 14, a second gear 15 and a third gear 20 are concentrically fixed on the rotating shaft. The third gear 20 is meshed with the annular rack 21, and the diameter of the second gear 15 is smaller than the diameter of the first gear 14.

[0033] A vertical lower rack 17 is fixed on the vertical rod 16 in the lower tank body 2, and the lower rack 17 is meshed with the first gear 14. A vertical upper rack 19 is fixed on the vertical rod 16 in the upper tank body 3, and the upper rack 19 corresponds to the second gear 15. After the first gear 14 is separated from the lower rack 17, the upper rack 19 can mesh with the second gear 15.

[0034] A filter box 22 is fixed at the lower end of the rotating sleeve 12 . The filter box 22 is made of a filter plate. Collection chambers 23 are processed on both sides of the filter box 22 . The two collection chambers 23 are symmetrical about the axis center of the lower tank body 2 .

[0035] Interception components are provided at both ends of the filter box 22 , and the two interception components are symmetrical about the axis center of the lower tank body 2 .

[0036] When the filter box 22 is in the lower tank body 2, the interception component contacts the inner wall of the lower tank body 2. After the filter box 22 rotates upward to the upper tank body 3, the interception component can be opened. After the interception component is opened, the agglomerated ammonium perchlorate is thrown out from the collection chamber 23 and hits the upper tank body 3.

[0037] The interception assembly includes an arc plate 24 , which is elastic and rotatably connected to the filter box 22 via a pin shaft, the pin shaft is fixedly connected to the arc plate 24 , and the pin shaft is rotatably connected to the filter box 22 .

[0038] A torsion spring is sleeved on the pin shaft, one end of the torsion spring is fixedly connected to the arc plate 24 , and the other end of the torsion spring is fixedly connected to the filter box 22 .

[0039] A first pulley 26 is fixed on the pin shaft, and a second pulley 28 is rotatably connected to the filter box 22. The first pulley 26 and the second pulley 28 are connected through a belt 27. A fourth gear 29 is concentrically fixed to the second pulley 28. A driving rack 30 is slidably provided on the filter box 22, and the driving rack 30 is meshed with the fourth gear 29. A wedge plate 25 is slidably provided on the upper end of the filter box 22, and the sliding direction of the wedge plate 25 is parallel to the sliding direction of the driving rack 30, and the wedge plate 25 is fixedly connected to the driving rack 30.

[0040] A fixing ring 18 is fixed to the lower end of the top plate of the upper tank body 3, and the fixing ring 18 is concentric with the upper tank body 3. When the filter box 22 rotates upward in the upper tank body 3, the fixing ring 18 cooperates with the inclined surface of the wedge plate 25 to drive the wedge plate 25 and the driving rack 30 to slide. During the sliding process of the driving rack 30, the arc plate 24 can be driven to rotate through the fourth gear 29, the second pulley 28, the belt 27, the first pulley 26 and the pin shaft.

[0041] When working, ammonium perchlorate is added into the lower tank body 2 through the feed pipe 7, and the heating ring 4 and the air pump 6 are started. The heating ring 4 can heat the ammonium perchlorate in the upper tank body 3, the lower tank body 2 and the lower tank body 2. After the air pump 6 is started, the gas in the upper tank body 3 and the lower tank body 2 is extracted, which can generate negative pressure in the upper tank body 3 and the lower tank body 2, thereby accelerating the discharge of water in the upper tank body 3 and the lower tank body 2.

[0042] The cylinder 10 is started, and the cylinder 10 causes the slide plate 11 to move upward. When the slide plate 11 moves upward, under the meshing action of the lower rack 17 and the first gear 14, and the meshing action of the third gear 20 and the annular rack 21, the filter box 22 and the rotating sleeve 12 rotate in the ammonium perchlorate in the lower tank body 2 during the upward movement. When the filter box 22 rotates, the ammonium perchlorate without agglomeration passes through the filter box 22, and the agglomerated ammonium perchlorate remains in the collecting chamber 23. During the rotation of the filter box 22 in the lower tank body 2, the arc plate 24 contacts the inner wall of the lower tank body 2, and the arc plate 24 does not rotate around the pin.

[0043] After the filter box 22 rotates and moves upward into the upper tank body 3, the lower rack 17 is separated from the first gear 14, and the second gear 15 is meshed with the upper rack 19. Since the diameter of the second gear 15 is smaller than the diameter of the first gear 14, the rotation speed of the filter box 22 in the upper tank body 3 increases.

[0044] During the upward rotation of the filter box 22 in the upper tank body 3, when the fixing ring 18 contacts the inclined surface of the wedge plate 25, as the filter box 22 continues to rotate upward, under the cooperation of the fixing ring 18 and the inclined surface of the wedge plate 25, the wedge plate 25 and the driving rack 30 slide, and during the sliding of the driving rack 30, the arc plate 24 can be driven to rotate through the fourth gear 29, the second pulley 28, the belt 27, the first pulley 26 and the pin. At this time, the torsion spring is compressed. After the arc plate 24 rotates, under the action of centrifugal force, the agglomerated ammonium perchlorate in the collection chamber 23 can be discharged from the collection chamber 23 and hit the inner wall of the upper tank body 3, and the agglomerated ammonium perchlorate hits the inner wall of the upper tank body 3 and breaks. Since the diameter of the upper tank body 3 is larger than the diameter of the lower tank body 2, the arc plate 24 can rotate in the upper tank body 3.

[0045] After being crushed, the ammonium perchlorate contacts the upper tank body 3, and the ammonium perchlorate in contact with the upper tank body 3 can be intensively heated.

[0046] After the fixing ring 18 contacts the inclined surface of the wedge plate 25, the curved plate 24 continues to rotate around the pin axis during the upward rotation of the filter box 22. When the curved plate 24 contacts the inner wall of the upper tank body 3, the curved plate 24 is elastic, and thus, after the curved plate 24 contacts the inner wall of the upper tank body 3, the curved plate 24 will deform as the curved plate 24 rotates around the pin axis. During the deformation process, the curved plate 24 maintains sliding contact with the inner wall of the upper tank body 3, so the curved plate 24 can scrape off the ammonium perchlorate adhering to the inner wall of the upper tank body 3.

[0047] After the ammonium perchlorate attached to the inner wall of the upper tank body 3 is scraped off, the cylinder is closed. After opening the discharge pipe 8, the ammonium perchlorate in the lower tank body 2 can be discharged.

[0048] After the ammonium perchlorate in the lower tank body 2 is discharged, the cylinder 10 is started, so that the cylinder 10 drives the slide plate 11 downward. During the downward movement of the slide plate 11, the filter box 22 rotates. When the wedge plate 25 is separated from the fixing ring 18, the arc plate 24 is restored under the elastic force of the torsion spring. When the filter box 22 enters the lower end of the lower tank body 2, ammonium perchlorate can continue to be added to the lower tank body 2 for drying.

[0049] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An ammonium perchlorate drying system, comprising a base (1), a lower tank body (2) is fixed on the base (1), an upper tank body (3) is fixedly connected to the upper end of the lower tank body (2), a feed pipe (7) is fixedly connected to the upper end of the upper tank body (3), a discharge pipe (8) is fixedly connected to the lower end of the lower tank body (2), and a vacuum assembly and a heating assembly are arranged on the upper tank body (3), characterized in that: The diameter of the upper tank body (3) is larger than the diameter of the lower tank body (2); the top plate of the upper tank body (3) and the bottom plate of the lower tank body (2) are fixedly connected via a vertical rod (16); the vertical rod (16) is located inside the upper tank body (3) and the lower tank body (2); a slide plate (11) is slidably arranged on the vertical rod (16); a driving unit connected to the slide plate (11) is arranged on the top plate of the upper tank body (3); a rotating sleeve (12) is rotatably connected to the lower end of the slide plate (11); an annular rack (21) is coaxially fixed inside the lower end of the rotating sleeve (12); and the slide plate (11) A fixed block (13) is fixed at the lower end, a rotating shaft is rotatably connected to the fixed block (13), the rotating shaft is perpendicular to the vertical rod (16), a first gear (14), a second gear (15) and a third gear (20) are coaxially fixed to the rotating shaft, the third gear (20) is meshed with an annular rack (21), the diameter of the second gear (15) is smaller than the diameter of the first gear (14), a vertical lower rack (17) is fixed to the vertical rod (16) in the lower tank body (2), and the lower rack (17) is connected to the first gear (14) A vertical upper rack (19) is fixed on the vertical rod (16) in the upper tank body (3), and the upper rack (19) corresponds to the second gear (15). After the first gear (14) and the lower rack (17) are separated, the upper rack (19) can mesh with the second gear (15). A filter box (22) is fixed at the lower end of the rotating sleeve (12), and the filter box (22) is made of a filter plate. Both sides of the filter box (22) are processed with a collection cavity (23). The two collection cavities (23) are symmetrical according to the axis center of the lower tank body (2). The filter box (22) is fixed at the lower end of the rotating sleeve (12). Interception components are provided at both ends of the filter box (22), and the two interception components are symmetrical about the axis center of the lower tank body (2). When the filter box (22) is in the lower tank body (2), the interception components are in contact with the inner wall of the lower tank body (2), and the ammonium perchlorate without agglomeration passes through the filter box (22), and the agglomerated ammonium perchlorate remains in the collection chamber (23). After the filter box (22) rotates and moves upward into the upper tank body (3), the interception components can be opened. After the interception components are opened, the agglomerated ammonium perchlorate is thrown out of the collection chamber (23) and hits the upper tank body (3).

2. The ammonium perchlorate drying system according to claim 1, characterized in that: The heating assembly comprises a heating ring (4), and the heating ring (4) is fixed on the outside of the upper tank body (3).

3. The ammonium perchlorate drying system according to claim 1, characterized in that: The vacuum pump assembly comprises a shell (5), the shell (5) being fixed to the upper end of the top plate of the upper tank body (3), a plurality of air holes (9) being provided on the top plate of the upper tank body (3), the shell (5) being connected to the upper tank body (3) via the plurality of air holes (9), an air pump (6) being fixed to the upper end of the top plate of the upper tank body (3), and an air inlet end of the air pump (6) being connected to the shell (5).

4. The ammonium perchlorate drying system according to claim 1, characterized in that: The interception assembly comprises an arc-shaped plate (24), the arc-shaped plate (24) is elastic, the arc-shaped plate (24) is rotatably connected to the filter box (22) through a pin shaft, the pin shaft is fixedly connected to the arc-shaped plate (24), the pin shaft is rotatably connected to the filter box (22), a torsion spring is sleeved on the pin shaft, one end of the torsion spring is fixedly connected to the arc-shaped plate (24), and the other end of the torsion spring is fixedly connected to the filter box (22), a first pulley (26) is fixed on the pin shaft, a second pulley (28) is rotatably connected to the filter box (22), the first pulley (26) and the second pulley (28) are connected by a belt (27), a fourth gear (29) is coaxially fixed on the second pulley (28), a driving rack (30) is slidably arranged on the filter box (22), and the driving rack (30) is rotatably connected to the fourth gear (29). The gear (29) is meshed, and a wedge plate (25) is slidably provided on the upper end of the filter box (22), the sliding direction of the wedge plate (25) is parallel to the sliding direction of the driving rack (30), and the wedge plate (25) is fixedly connected to the driving rack (30); a fixing ring (18) is fixed on the lower end of the top plate of the upper tank body (3), and the fixing ring (18) is concentric with the upper tank body (3), and when the filter box (22) rotates upward in the upper tank body (3), the inclined surfaces of the fixing ring (18) and the wedge plate (25) cooperate to drive the wedge plate (25) and the driving rack (30) to slide, and when the driving rack (30) slides, the arc plate (24) can be driven to rotate through the fourth gear (29), the second pulley (28), the belt (27), the first pulley (26) and the pin shaft.

5. The ammonium perchlorate drying system according to claim 1, characterized in that: The driving unit comprises a vertically arranged cylinder (10), the cylinder (10) being fixed on the top plate of the upper tank body (3), and the telescopic end of the cylinder (10) being fixedly connected to the slide plate (11).

6. A method for using an ammonium perchlorate drying system according to claim 1, characterized in that: Ammonium perchlorate is added into the lower tank body (2) through the feed pipe (7), and the heating component and the vacuum component are started, and the vacuum component can generate negative pressure in the upper tank body (3) and the lower tank body (2); the cylinder (10) is started, and the cylinder (10) causes the slide plate (11) to move upward. When the slide plate (11) moves upward, under the meshing action of the lower rack (17) and the first gear (14), and under the meshing action of the third gear (20) and the annular rack (21), the filter box (22) and the rotating sleeve (12) rotate during the upward movement; When the filter box (22) rotates, the ammonium perchlorate without agglomeration passes through the filter box (22), and the agglomerated ammonium perchlorate remains in the collection chamber (23); After the filter box (22) enters the upper tank body (3), the second gear (15) meshes with the upper rack (19), and the rotation speed of the filter box (22) increases during the upward movement; after the interception component is opened in the upper tank body (3), the agglomerated ammonium perchlorate is thrown out from the collection chamber (23) and hits the inner wall of the upper tank body (3), and the agglomerated ammonium perchlorate is broken. At the same time, the heating component increases the temperature of the upper tank body (3), and the broken ammonium perchlorate can be heated and dried after contacting the inner wall of the upper tank body (3).

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