Double-cone dryer for chemical product production

Abstract

The utility model relates to a double-cone dryer for chemical product production, which comprises a rack and a double-cone dryer shell, a feeding end plate is arranged at the top of the double-cone dryer shell, a discharging end plate is arranged at the bottom of the double-cone dryer shell, and a partition plate is arranged between the feeding end plate and the discharging end plate in the double-cone dryer shell. A first feeding port and a second feeding port are formed in the positions, on the two sides of the partition plate, of the feeding end plate, a first discharging port and a second discharging port are formed in the positions, on the two sides of the partition plate, of the discharging end plate, a feeding sealing plate is installed outside the feeding end plate, and a first discharging sealing plate and a second discharging sealing plate corresponding to the first discharging port are arranged outside the discharging end plate. An air exhaust pipeline is arranged on one side of the double-cone dryer shell in a penetrating mode in the rotation axis direction, branch vacuum pipes are connected to the portions, on the two sides of the partition plate, of the air exhaust pipeline, and vacuum filter covers are arranged on the branch vacuum pipes. According to the double-cone dryer, an inner cavity of a traditional double-cone dryer shell is divided into two drying cavities, so that two different materials can be dried at the same time, and the flexibility and universality of drying operation are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of material drying, in particular to a double-cone dryer for the production of chemical products. Background Art

[0002] Double cone dryer, also known as double cone rotary vacuum dryer, is a double cone rotary tank. In the tank under vacuum state, steam or hot water is introduced into the jacket for heating. The heat contacts the wet material through the inner wall of the tank. The water vapor evaporated after the wet material absorbs heat is pumped away through the vacuum exhaust pipe by the vacuum pump. Since the tank is in a vacuum state and the rotation of the tank makes the material constantly turn up and down and inside and outside, the drying speed of the material is accelerated, the drying efficiency is improved, and the purpose of uniform drying is achieved. It is mainly suitable for pharmaceutical, fine chemical and other industries, and is suitable for drying various antibiotics, crystalline or other granular materials.

[0003] The existing double-cone dryer has poor versatility in drying operations and cannot meet the needs of drying different materials. Sometimes the amount of a material to be dried is not large, and it is wasteful to dry it through the entire chamber. Utility Model Content

[0004] The utility model aims to solve the deficiencies of the prior art and provides a double cone dryer for producing chemical products.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] A double cone dryer for chemical product production comprises a frame and a double cone dryer shell, the double cone dryer shell is rotatably mounted on the frame through a power mechanism, an outer casing is arranged outside the double cone dryer shell, an isolation sleeve is arranged in the middle position inside the outer casing, the isolation sleeve divides the inner cavity of the outer casing into a steam heating chamber and a condensation reflux chamber, the steam heating chamber and the condensation reflux chamber are connected, the steam heating chamber is connected to a heating steam inlet pipe, the heating steam inlet pipe is arranged along the rotation axis direction of the double cone dryer shell, the condensation reflux chamber is connected to a condensation liquid reflux pipe, and the condensation liquid reflux pipe is coaxially sleeved outside the heating steam inlet pipe; the top of the double cone dryer shell A feed end plate is provided and a discharge end plate is provided at the bottom, a partition plate is provided between the feed end plate and the discharge end plate inside the double-cone dryer shell, a first feed port and a second feed port are provided on both sides of the partition plate on the feed end plate, a first discharge port and a second discharge port are provided on both sides of the partition plate on the discharge end plate, a feed closing plate is installed outside the feed end plate, a first discharge closing plate and a second discharge closing plate are provided outside the discharge end plate corresponding to the first discharge port, an exhaust pipe is penetrated on one side of the double-cone dryer shell along the direction of the rotation axis, branch vacuum pipes are connected to the exhaust pipe on both sides of the partition plate, a vacuum filter cover is provided on the branch vacuum pipe, and a solenoid valve is provided on the branch vacuum pipe.

[0007] Scrapers are connected to both sides of the partition plate on the exhaust pipe, and the scrapers are arranged in close contact with the inner wall of the double-cone dryer shell.

[0008] An outwardly convex anti-adhesion net is fixed on the inner side of the scraper on each side.

[0009] Connecting plates are arranged between the upper end and the lower end of the inner wall of the isolation sleeve and the outer wall of the double-cone dryer shell, and air flow holes are arranged on the connecting plates.

[0010] An active rotating sleeve is fixed on the left side of the outer casing and a follower rotating sleeve is fixed on the right side. Both the active rotating sleeve and the follower rotating sleeve are installed on the frame through a bearing seat. A sprocket is fixed outside the active rotating sleeve. The sprocket is connected to a reducer through a chain. The reducer is connected to a driving motor. The exhaust pipe is passed through the active rotating sleeve, and the heating steam inlet pipe and the condensed liquid reflux pipe are passed through the follower rotating sleeve.

[0011] The beneficial effect of the utility model is that the utility model divides the inner cavity of the traditional double-cone dryer shell into two drying cavities, so that two different materials can be dried at the same time, thereby improving the flexibility and versatility of the drying operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] In the figure: 1-frame; 2-double cone dryer shell; 3-outer shell; 4-isolation sleeve; 5-steam heating chamber; 6-condensation reflux chamber; 7-heating steam inlet pipe; 8-condensed liquid reflux pipe; 9-feed end plate; 10-discharge end plate; 11-partition plate; 12-first feed port; 13-second feed port; 14-first discharge port; 15-second discharge port; 16-feed closing plate; 17-first discharge closing plate; 18-second discharge closing plate; 19-exhaust pipe; 20-branch vacuum pipe; 21-vacuum filter cover; 22-solenoid valve; 23-scraper; 24-external convex anti-adhesion net; 25-connecting plate; 26-active rotating sleeve; 27-following rotating sleeve; 28-bearing seat; 29-sprocket; 30-chain; 31-reducer; 32-drive motor; 33-rotating joint; 34-steam inlet; 35-condensate outlet;

[0014] The following is a detailed description of the embodiments of the present invention with reference to the accompanying drawings. DETAILED DESCRIPTION

[0015] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0016] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0017] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0019] like Figure 1 As shown, a double cone dryer for chemical product production includes a frame 1, a double cone dryer shell 2, an outer shell 3, an isolation sleeve 4, a steam heating chamber 5, a condensation reflux chamber 6, a heating steam inlet pipe 7, a condensed liquid reflux pipe 8, a feed end plate 9, a discharge end plate 10, a partition plate 11, a first feed port 12, a second feed port 13, a first discharge port 14, a second discharge port 15, a feed closing plate 16, a first discharge closing plate 17, a second discharge closing plate 18, an exhaust pipe 19, a branch vacuum pipe 20, a vacuum filter cover 21, a solenoid valve 22, a scraper 23, an outer convex anti-adhesion net 24, a connecting plate 25, an active rotating sleeve 26, a follower rotating sleeve 27, a bearing seat 28, a sprocket 29, a chain 30, a reducer 31, a drive motor 32, a rotary joint 33, a steam inlet 34 and a condensate outlet 35.

[0020] An outer shell 3 is provided outside the double-cone dryer shell 2, and an isolation sleeve 4 is provided in the middle position inside the outer shell 3. The isolation sleeve 4 divides the inner cavity of the outer shell 3 into a steam heating chamber 5 and a condensation reflux chamber 6. The steam heating chamber 5 and the condensation reflux chamber 6 are connected. The steam heating chamber 5 is connected to a heating steam inlet pipe 7, and the heating steam inlet pipe 7 is arranged along the rotation axis direction of the double-cone dryer shell 2. The condensation reflux chamber 6 is connected to a condensed liquid reflux pipe 8, and the condensed liquid reflux pipe 8 is coaxially sleeved outside the heating steam inlet pipe 7.

[0021] The double cone dryer shell 2 and outer shell 3 are rotatably mounted on the frame 1 through a power mechanism. The specific structure is as follows:

[0022] An active rotating sleeve 26 is fixed to the left side of the outer sleeve 3 and a follower rotating sleeve 27 is fixed to the right side. The active rotating sleeve 26 and the follower rotating sleeve 27 are both installed on the frame 1 through a bearing seat 28. A sprocket 29 is fixed to the outside of the active rotating sleeve 26. The sprocket 29 is connected to a reducer 31 through a chain 30. The reducer 31 is connected to a drive motor 32. The exhaust pipe 19 is penetrated in the active rotating sleeve 26, and the heating steam inlet pipe 7 and the condensed liquid reflux pipe 8 are penetrated in the follower rotating sleeve 27.

[0023] Connecting plates 25 are provided between the upper and lower ends of the inner wall of the isolation sleeve plate 4 and the outer wall of the double-cone dryer shell 2 , and air flow holes are provided on the connecting plates 25 .

[0024] The outer ends of the heating steam inlet pipe 7 and the condensed liquid return pipe 8 are connected with a rotary joint 33 , and the rotary joint 33 is provided with a steam inlet 34 connected with the heating steam inlet pipe 7 and a condensed water outlet 35 connected with the condensed liquid return pipe 8 .

[0025] The portion of the heating steam inlet pipe 7 extending into the steam heating chamber 5 is provided with a side-mounted T-shaped air outlet.

[0026] A feed end plate 9 is provided on the top of the double-cone dryer shell 2 and a discharge end plate 10 is provided on the bottom. A partition plate 11 is provided between the feed end plate 9 and the discharge end plate 10 inside the double-cone dryer shell 2. A first feed port 12 and a second feed port 13 are provided on both sides of the partition plate 11 on the feed end plate 9. A first discharge port 14 and a second discharge port 15 are provided on both sides of the partition plate 11 on the discharge end plate 10. A feed closing plate 16 is installed outside the feed end plate 9. A first discharge closing plate 17 and a second discharge closing plate 18 are provided outside the discharge end plate 10 corresponding to the first discharge port 14. An exhaust pipe 19 is penetrated on one side of the double-cone dryer shell 2 along the direction of the rotation axis. Branch vacuum pipes 20 are connected to the exhaust pipe 19 on both sides of the partition plate 11. A vacuum filter cover 21 is provided on the branch vacuum pipe 20, and a solenoid valve 22 is provided on the branch vacuum pipe 20.

[0027] The innovation of the utility model is that the inner cavity of the traditional double-cone dryer shell 2 is divided into two drying cavities, so that two different materials can be dried at the same time, thereby improving the flexibility and versatility of the drying operation.

[0028] Scrapers 23 are connected to both sides of the partition plate 11 on the exhaust pipe 19, and the scrapers 23 are arranged in close contact with the inner wall of the double-cone dryer shell 2. The scrapers 23 can scrape the inner wall of the double-cone dryer shell 2 to prevent materials from sticking to the inner wall.

[0029] An outwardly convex anti-adhesion net 24 is fixed to the inner side of each side of the scraper 23. The outwardly convex anti-adhesion net 24 can prevent the material from agglomerating or clumping.

[0030] The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A double cone dryer for chemical product production, comprising a frame (1) and a double cone dryer shell (2), the double cone dryer shell (2) being rotatably mounted on the frame (1) by a power mechanism, an outer casing (3) being provided outside the double cone dryer shell (2), an isolation sleeve (4) being provided at a middle position inside the outer casing (3), the isolation sleeve (4) dividing the inner cavity of the outer casing (3) into a steam heating cavity (5) and a condensation reflux cavity (6), the steam heating cavity (5) and the condensation reflux cavity (6) being connected, the steam heating cavity (5) being connected to a heating steam inlet pipe (7), the heating steam inlet pipe (7) being arranged along the rotation axis direction of the double cone dryer shell (2), the condensation reflux cavity (6) being connected to a condensation liquid reflux pipe (8), the condensation liquid reflux pipe (8) being coaxially sleeved outside the heating steam inlet pipe (7); characterized in that A double-cone dryer shell (2) is provided with a feed end plate (9) at the top and a discharge end plate (10) at the bottom. A partition plate (11) is provided inside the double-cone dryer shell (2) between the feed end plate (9) and the discharge end plate (10). The feed end plate (9) is provided with a first feed port (12) and a second feed port (13) on both sides of the partition plate (11). The discharge end plate (10) is provided with a first discharge port (14) and a second discharge port (15) on both sides of the partition plate (11). A feed sealing plate (16) is installed, a first discharge sealing plate (17) and a second discharge sealing plate (18) are arranged outside the discharge end plate (10) corresponding to the first discharge port (14), an exhaust pipe (19) is passed through one side of the double-cone dryer shell (2) along the direction of the rotation axis, and branch vacuum pipes (20) are connected to the exhaust pipe (19) on both sides of the partition plate (11), a vacuum filter cover (21) is arranged on the branch vacuum pipe (20), and a solenoid valve (22) is arranged on the branch vacuum pipe (20).

2. A double cone dryer for chemical product production according to claim 1, characterized in that: Scrapers (23) are connected to both sides of the partition plate (11) on the air extraction pipeline (19), and the scrapers (23) are arranged in close contact with the inner wall of the double-cone dryer shell (2).

3. A double cone dryer for chemical product production according to claim 2, characterized in that: An outwardly convex anti-adhesion net (24) is fixed on the inner side of the scraper (23) on each side.

4. A double cone dryer for chemical product production according to claim 3, characterized in that: Connecting plates (25) are provided between the upper and lower ends of the inner wall of the isolation sleeve (4) and the outer wall of the double-cone dryer shell (2), and air flow holes are provided on the connecting plates (25).

5. A double cone dryer for chemical product production according to claim 4, characterized in that: An active rotating sleeve (26) is fixed on the left side of the outer casing (3), and a follower rotating sleeve (27) is fixed on the right side. The active rotating sleeve (26) and the follower rotating sleeve (27) are both mounted on the frame (1) via a bearing seat (28). A sprocket (29) is fixed outside the active rotating sleeve (26). The sprocket (29) is connected to a reducer (31) via a chain (30). The reducer (31) is connected to a driving motor (32). An exhaust pipe (19) is inserted into the active rotating sleeve (26). A heating steam inlet pipe (7) and a condensed liquid return pipe (8) are inserted into the follower rotating sleeve (27).

6. A double cone dryer for chemical product production according to claim 5, characterized in that: The outer ends of the heating steam inlet pipe (7) and the condensed liquid return pipe (8) are connected to a rotary joint (33), and the rotary joint (33) is provided with a steam inlet (34) connected to the heating steam inlet pipe (7) and a condensed water outlet (35) connected to the condensed liquid return pipe (8).

7. A double cone dryer for chemical product production according to claim 6, characterized in that: The portion of the heating steam inlet pipe (7) extending into the steam heating chamber (5) is provided with a side-mounted T-shaped air outlet.

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