Bentonite drying kiln
By using a fine grid disk and multiple electric heating tubes in a bentonite drying kiln combined with a fan and an electric heating grid, the problem of insufficient effect of gap pores and heat loss in traditional drying methods is solved, and the efficient drying and water of bentonite is achieved The effect of steam discharge.
Patent Information
- Application Number
- CN202420296840.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-18
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-02-18
AI Technical Summary
In traditional bentonite drying methods, the gap pores cannot be fully dried and there is a problem of heat loss during the flow of hot air.
Design a bentonite drying kiln. By placing bentonite in a fine mesh plate, multiple electric heating tubes are inserted directly into the bentonite, and a fan is used to cooperate with the electric heating grid to allow hot air to pass through the gaps of bentonite, maintaining sufficient hot air temperature to achieve sufficient drying.
It effectively solves the problem of full drying of bentonite, uses hot air to carry water vapor to discharge, and improves drying efficiency and effect.
Smart Images

Figure CN222231113U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bentonite drying, in particular to a bentonite drying kiln. Background Art
[0002] Bentonite is also called bentonite, soap clay or bentonite rock. my country has a long history of developing and using bentonite. It was originally used as a detergent. Bentonite products are indispensable auxiliary materials for the country's steel smelting, casting, oil extraction, catalytic cracking and other industries, and the consumption is very large. Due to the characteristics of bentonite itself, its processing must involve water, and its products have strict requirements on water content, so it needs to be dried after processing.
[0003] Traditional drying methods include heating drying and hot air drying. The former has gaps and pores during drying and cannot be fully dried, while the latter has the problem of heat loss during the flow of hot air. Therefore, we propose a bentonite drying kiln. Utility Model Content
[0004] The utility model aims to provide a bentonite drying kiln, in which bentonite is placed in a fine mesh plate in a drying chamber, and a plurality of electric heating tubes are directly inserted into the bentonite so that the bentonite can be fully heated. A fan cooperates with the electric heating network to allow hot air to pass through the gaps in the bentonite, and the heating effect of the electric heating tubes keeps the temperature of the hot air sufficient. The cooperation between the two can fully dry the bentonite, thus solving the problems raised in the background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bentonite drying kiln, comprising a drying chamber and a fine mesh plate, the fine mesh plate is horizontally placed inside the drying chamber, a rotating rod is longitudinally fixed at the middle position of the bottom of the fine mesh plate, both ends of the rotating rod are longitudinally rotatably installed in the drying chamber, a stepping motor connected to the rotating rod is installed on the outer surface of the drying chamber at the front end of the rotating rod, and a discharge port connected to the interior of the drying chamber is connected to the bottom of the drying chamber; an electric heating net is evenly installed and fixed on the bottom surface of the fine mesh plate, an upper opening connected to the outside is opened on the upper surface of the drying chamber, a filter is embedded and fixed inside the upper opening, and a plurality of fans are evenly installed on the surface below the upper opening; electric push rods are vertically installed on the four corners of the drying chamber outside the upper opening, the end of the electric push rod penetrates into the drying chamber, and a lifting mesh plate is horizontally fixed inside the drying chamber at the end of the electric push rod, and a plurality of electric heating tubes are evenly fixed vertically on the bottom surface of the lifting mesh plate.
[0006] By adopting the above technical solution, after the bentonite is added into the fine mesh plate through the feed hopper and the feed port, the lifting mesh plate is lowered to allow the electric heating tube to be inserted into the bentonite, and the electric heating network, the electric heating tube and the fan are started at the same time. The bentonite is evenly heated from the inside by the electric heating tube, and the hot air passing through can also maintain a sufficient temperature, so that the bentonite can be fully dried, and finally the fine mesh plate is turned over to pour out the bentonite.
[0007] Optionally, four corners of the bottom of the drying chamber are vertically supported and fixed with supporting legs, and four supporting legs are provided.
[0008] By adopting the above technical solution, stable support for the drying chamber is achieved through the supporting legs at the four corners of the bottom of the drying chamber.
[0009] Optionally, a feed port is provided on the surface of the drying chamber at the rear end of the fine mesh disk, and a feed hopper connected to the feed port is vertically arranged at the rear end of the drying chamber.
[0010] By adopting the above technical solution, the bentonite to be dried is added from the feed hopper and then falls into the fine mesh plate through the feed port.
[0011] Optionally, the outer ring of the electric heating tube is covered with a jacket, and the jacket is tightly attached to the outer surface of the electric heating tube.
[0012] By adopting the above technical solution, the outer jacket is closely attached to the outer surface of the electric heating tube, thereby achieving a protective effect on the outer surface of the electric heating tube.
[0013] Optionally, an upper cover is provided on the upper part of the feed hopper, and the upper cover is sealed on the top of the feed hopper.
[0014] By adopting the above technical solution, during the drying process, the feed hopper is covered and blocked by the upper cover.
[0015] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0016] 1. The technical solution of the present application places bentonite in a fine mesh plate in a drying chamber, and multiple electric heating tubes are directly inserted into the bentonite to allow it to be fully heated. The fan and the electric heating network cooperate to allow hot air to pass through the gaps in the bentonite, and the heating effect of the electric heating tubes maintains a sufficient temperature of the hot air. The cooperation between them can fully dry the bentonite.
[0017] 2. The technical solution of the present application utilizes the effect of hot air flowing upward to dry the bentonite while using the flowing hot air to carry the dried water vapor upward and discharge it. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:
[0019] Figure 1 This is a schematic diagram of the overall structure of the bentonite drying kiln of the utility model;
[0020] Figure 2 It is a schematic diagram of the internal structure of the drying chamber of the bentonite drying kiln of the utility model.
[0021] In the figure: 1. Drying chamber; 11. Discharge port; 12. Feed port; 13. Support legs; 14. Stepper motor; 2. Fine mesh plate; 21. Rotating rod; 22. Electric heating net; 3. Upper opening; 31. Filter; 32. Fan; 4. Electric push rod; 41. Lifting mesh plate; 411. Electric heating tube; 412. Jacket; 5. Feed hopper; 51. Upper cover. DETAILED DESCRIPTION
[0022] See also Figure 1-2 The utility model provides a technical solution: a bentonite drying kiln, comprising a drying chamber 1 and a fine mesh plate 2, the four corners of the bottom of the drying chamber 1 are vertically supported and fixed with supporting legs 13, the supporting legs 13 are provided with four supports to support the drying chamber 1, the fine mesh plate 2 is horizontally placed inside the drying chamber 1, a rotating rod 21 is longitudinally fixed at the middle position of the bottom of the fine mesh plate 2, the two ends of the rotating rod 21 are longitudinally rotatably installed in the drying chamber 1, so that the fine mesh plate 2 is also rotatably installed in the drying chamber 1, a stepping motor 14 is installed on the outer surface of the drying chamber 1 at the front end of the rotating rod 21, the stepping motor 14 is transmission-connected to the rotating rod 21, and when the stepping motor 14 is working, it can drive the rotating rod 21 or the fine mesh plate 2 to rotate.
[0023] A feed port 12 is provided on the surface of the drying chamber 1 at the rear end of the fine mesh disk 2, and the feed port 12 is slightly higher than the height of the fine mesh disk 2. A feed hopper 5 is vertically arranged at the rear end of the drying chamber 1, and the bottom of the feed hopper 5 is connected to the feed port 12, and further connected to the interior of the drying chamber 1, so that the bentonite to be dried can be added into the feed hopper 5, and then enter into the fine mesh disk 2 through the feed port 12, and then the upper cover 51 is placed on the top of the feed hopper 5 to seal the top of the feed hopper 5. The mesh of the fine mesh disk 2 is smaller than the particle size of the bentonite to prevent the bentonite from falling downward.
[0024] An upper opening 3 connected to the outside is provided on the upper surface of the drying chamber 1, and a filter screen 31 is transversely embedded and fixed above and below the upper opening 3. Electric push rods 4 are vertically installed on the four corners of the drying chamber 1 outside the upper opening 3. The lower end of the electric push rod 4 penetrates into the drying chamber 1, and a lifting mesh plate 41 is transversely fixed inside the drying chamber 1 at the end of the electric push rod 4. The lifting mesh plate 41 is parallel to the upper surface of the drying chamber 1. A plurality of electric heating tubes 411 are vertically and evenly fixed on the bottom surface of the lifting mesh plate 41, so that the electric push rod 4 can lower the height of the electric lifting mesh plate 41. The outer ring of the electric heating tube 41 is sleeved with a jacket 412, and the jacket 412 is supported by a metal material with good thermal conductivity, so that the electric heating tube 411 is inserted into the bentonite through the jacket 412, and the jacket 412 is tightly attached to the outer surface of the electric heating tube 411 to protect the electric heating tube 411, and the electric heating tube 411 can be used to directly heat the bentonite evenly for drying.
[0025] The bottom surface of the fine mesh plate 2 is evenly installed and fixed with an electric heating network 22, and the surface below the upper opening 3 is evenly installed with multiple fans 32. When the electric heating network 22 works, the fan 32 is started at the same time. The fan 32 blows air upward, and external air is sucked in from the discharge port 11. After being heated by the electric heating network 22, the air is acted on the bentonite through the fine mesh plate 2. The hot air can be further heated to a high temperature state by the electric heating pipe 411, and the bentonite is fully dried by the action of the hot air. At the same time, water vapor is carried by the hot air and is discharged from the upper opening 3 through the filter 31 after passing through the lifting mesh plate 41.
[0026] The bottom of the drying chamber 1 is connected with a discharge port 11 communicating with the interior thereof. After drying, the lifting mesh plate 41 is raised, and the fine mesh plate 2 is controlled to rotate and flip, so that the bentonite can be poured down and discharged to the outside from the discharge port 11.
[0027] When in use, the stepper motor 14, the fan 32, the electric push rod 4 and the electric heating tube 411 are all connected to the control device and powered, so that the rear end of the rotating rod 21 passes through the outer part of the drying chamber 1 to install the electric slip ring, the control device is connected to the electric slip ring, and the output end of the electric slip ring passes through the rotating rod 21 and is connected to the electric heating network 22, first remove the upper cover 51 above the feed hopper 5, and then add the bentonite to be dried into the feed hopper 5, and guide it through the feed port 12 to fall into the fine mesh plate 2, and then cover the upper cover 51 on the feed hopper 5 again, control the electric push rod 4 to drive the upper mesh plate and the electric heating tube 411 at the bottom of the mesh plate to descend, so that the electric heating tube 411 is inserted between the bentonite through the outer jacket 412, and the electric heating tube 411 works and can move the inner side to evenly heat the bentonite, and at the same time start the electric heating network 22 and the fan 3 2, the fan 32 blows upward so that the outside air enters from the discharge port 11, and then flows upward, passes through the fine mesh plate 2 after being heated by the electric heating network 22, and passes through the bentonite placed on its surface, and uses the hot air to dry it synchronously, and carries the dried water vapor, passes through the lifting mesh plate 41 and the fan 32, and is discharged from the upper port 3 through the filter 31. After the drying is completed, the fan 32, the electric heating pipe 411, and the electric heating network 22 are stopped, and the electric push rod 4 drives the lifting mesh plate 41 to rise to a high place, and then the stepper motor 14 is controlled to drive the rotating rod 21 and the fine mesh plate 2 to rotate 180°, turn the fine mesh plate 2 over, pour the dried bentonite down, and finally discharge it from the discharge port 11 at the bottom, and finally the stepper motor 14 drives the rotating disk and the fine mesh plate 2 to rotate 180° again and turn over, and the above operation can be repeated to continue the drying operation.
Claims
1. A bentonite drying kiln, comprising a drying chamber (1) and a fine mesh plate (2), characterized in that: The fine mesh plate (2) is transversely placed inside the drying chamber (1); a rotating rod (21) is longitudinally fixed at the middle position of the bottom of the fine mesh plate (2); both ends of the rotating rod (21) are longitudinally rotatably installed in the drying chamber (1); a stepping motor (14) connected to the rotating rod (21) is installed on the outer surface of the drying chamber (1) at the front end of the rotating rod (21); and a discharge port (11) communicating with the interior of the drying chamber (1) is connected to the bottom of the drying chamber (1); The bottom surface of the fine mesh plate (2) is evenly fixed with an electric heating net (22); the upper surface of the drying chamber (1) is provided with an upper opening (3) connected to the outside, a filter net (31) is embedded and fixed inside the upper opening (3), and a plurality of fans (32) are evenly installed on the surface below the upper opening (3); Electric push rods (4) are vertically mounted on the four corner surfaces of the drying chamber (1) outside the upper opening (3), the ends of the electric push rods (4) penetrate into the drying chamber (1), and a lifting mesh plate (41) is horizontally fixed inside the drying chamber (1) at the ends of the electric push rods (4), and a plurality of electric heating tubes (411) are vertically and evenly fixed on the bottom surface of the lifting mesh plate (41).
2. A bentonite drying kiln according to claim 1, characterized in that: The four corners of the bottom of the drying chamber (1) are all vertically supported and fixed with supporting legs (13), and four supporting legs (13) are provided.
3. A bentonite drying kiln according to claim 1, characterized in that: A feed port (12) is provided on the surface of the drying chamber (1) at the rear end of the fine mesh plate (2), and a feed hopper (5) connected to the feed port (12) is vertically arranged at the rear end of the drying chamber (1).
4. A bentonite drying kiln according to claim 1, characterized in that: The outer ring of the electric heating tube (411) is covered with an outer sleeve (412), and the outer sleeve (412) is tightly attached to the outer surface of the electric heating tube (411).
5. The bentonite drying kiln according to claim 3, characterized in that: The upper part of the feed hopper (5) is covered with an upper cover (51), and the upper cover (51) is sealed above the feed hopper (5).
