Double-cone drying machine

Abstract

The crushing mechanism is arranged in the double-cone drying machine and comprises the first crushing blades, the steel balls, the chain and the second crushing blades, the first crushing blades are arranged at the two ends, the second crushing blades are arranged in the middle, and the steel balls are arranged between the first crushing blades and the second crushing blades through the chain. Materials turn over up and down along with the barrel body, the materials shuttle among the steel balls and can touch the steel balls, so that the caked materials are scattered, the materials turn over up and down to fall on the side wall of the barrel body and can touch the crushing blades, the crushing blades further scatter the materials, the materials are prevented from caking, and the drying speed and quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of double-cone dryers, in particular to a double-cone dryer. Background Art

[0002] The double cone dryer can mix and dry materials, and because the inside of the double cone dryer is in a vacuum state, the efficiency of material drying is improved. At the same time, the dryer tank will rotate continuously, so that the material is evenly dried. Therefore, the double cone dryer is widely used in the fields of food, medicine, and chemical industry. In the prior art, when the double cone dryer is drying viscous materials, as the double cone dryer rotates, the viscous materials are turned over in the cylinder of the double cone dryer. During the turning process, the viscous materials are easy to agglomerate, forming a large block structure, so that the inside of the block cannot be effectively heated, which increases the difficulty of drying the material, thereby reducing the drying speed and quality of the double cone dryer, and cannot meet the working requirements of the double cone dryer. Utility Model Content

[0003] In view of this, the utility model aims to provide a double-cone dryer to solve the above problems.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] A double cone dryer comprises a cylinder and a bracket for supporting the cylinder, a rotating shaft is arranged on the left and right sides of the cylinder, the rotating shaft is rotatably mounted on the bracket, and a driving mechanism for driving the rotating shaft to rotate is arranged on the bracket; a feed port and a discharge port are arranged at the upper and lower ends of the cylinder respectively, a feed sealing cover is arranged at the feed port, and a discharge sealing cover is arranged at the discharge port; a crushing mechanism is arranged inside the cylinder, and the crushing mechanism comprises a first crushing blade, a steel ball, a chain and a second crushing blade; the middle part of the cylinder is cylindrical, and the upper and lower ends of the cylinder are both truncated cone-shaped, and the first crushing blade is arranged on the inner side wall of the truncated cone The first crushing blade is strip-shaped and is provided in a plurality of numbers. The plurality of first crushing blades are radially distributed. The inner wall of the cylinder is provided with a second crushing blade, and the second crushing blade is a spiral blade. The connection between the truncated cone and the cylinder is provided with a plurality of chains arranged in parallel, and each chain is provided with a plurality of steel balls. The side wall of the cylinder is hollow to form a cavity, and the rotating shaft is a hollow rotating shaft, one of the rotating shafts is connected with the cavity, and a heat fluid is passed through the rotating shaft to the cavity, and the other rotating shaft is connected with the inside of the cylinder, and a vacuum tube passes through the rotating shaft and extends into the cylinder, and the vacuum tube is connected with the vacuum device.

[0006] Furthermore, a plurality of connecting rings for installing chains are provided on the inner side wall of the cylinder.

[0007] Furthermore, the chain is in a slack state.

[0008] Furthermore, a spacer sleeve parallel to the side wall of the cylinder is provided in the cavity of the side wall of the cylinder, and the spacer sleeve divides the cavity into two spaces, the inner layer is an air inlet cavity, and the outer layer is an air return cavity, the air return cavity is connected with the rotating shaft, an air inlet pipe is also inserted in the rotating shaft, the air inlet pipe is connected with the air inlet cavity, a connecting sleeve is also sleeved on the outside of the air inlet pipe, the connecting sleeve is rotatably connected with the rotating shaft, an air outlet pipe is provided on the connecting sleeve, the air inlet pipe is connected with the hot fluid box, and the air outlet pipe is connected with the cold fluid box; the upper end and the lower end of the spacer sleeve are respectively provided with a first connecting port and a second connecting port.

[0009] Furthermore, a residual liquid outlet is provided on the lower side wall of the cylinder, the residual liquid outlet is communicated with the air return chamber, and a valve is provided at the residual liquid outlet.

[0010] Furthermore, a slip-on flange is rotatably provided on the rotating shaft connected to the connecting sleeve, and the connecting sleeve and the slip-on flange are connected via a flange.

[0011] Furthermore, a material filter screen is provided at the end of the vacuum tube extending into the cylinder.

[0012] Compared with the prior art, the double cone dryer described in the utility model has the following advantages:

[0013] The double-cone dryer described in the utility model is provided with a crushing mechanism inside, which comprises a first crushing blade, a steel ball, a chain and a second crushing blade. The first crushing blade is arranged at both ends, the second crushing blade is arranged in the middle, and the steel ball is arranged between the first crushing blade and the second crushing blade through the chain. When the cylinder rotates, the material flips up and down with the cylinder, and the material shuttles between the steel balls and hits the steel balls, thereby breaking up the agglomerated material. The material flips up and down and falls on the side wall of the cylinder and hits the crushing blade. The crushing blade further breaks up the material to avoid material agglomeration, thereby improving the drying speed and quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0015] Figure 1 This is a schematic structural diagram of a double-cone dryer according to an embodiment of the utility model;

[0016] Figure 2 It is a front view of the double cone dryer described in the embodiment of the utility model;

[0017] Figure 3 It is a cross-sectional view of the double-cone dryer described in the embodiment of the utility model.

[0018] Description of reference numerals:

[0019] 1. Cylinder; 11. Feed inlet; 111. Feed sealing cover; 12. Discharge outlet; 121. Discharge sealing cover; 13. Residual liquid outlet; 14. Rotating shaft; 15. Crushing mechanism; 151. First crushing blade; 152. Steel ball; 153. Chain; 154. Connecting ring; 155. Second crushing blade; 16. Spacer; 161. First connecting port; 162. Second connecting port; 17. Air inlet chamber; 18. Air return chamber; 2. Bracket; 3. Vacuuming device; 31. Vacuuming tube; 4. Material filter; 5. Connecting sleeve; 51. Air outlet pipe; 6. Air inlet pipe; 7. Loose flange. DETAILED DESCRIPTION

[0020] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0021] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0023] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0024] A double cone dryer comprises a cylinder 1 and a bracket 2 for supporting the cylinder 1, a rotating shaft 14 is arranged on the left and right sides of the cylinder 1, the rotating shaft 14 is rotatably mounted on the bracket 2, and a driving mechanism for driving the rotating shaft 14 to rotate is arranged on the bracket 2; a feed port 11 and a discharge port 12 are respectively arranged at the upper and lower ends of the cylinder 1, a feed sealing cover 111 is arranged at the feed port 11, and a discharge sealing cover 121 is arranged at the discharge port 12; a crushing mechanism 15 is arranged inside the cylinder 1, and the crushing mechanism 15 comprises a first crushing blade 151, a steel ball 152, a chain 153 and a second crushing blade 155, the middle part of the cylinder 1 is cylindrical, and the upper and lower ends of the cylinder 1 are both truncated cone-shaped, and the first crushing blade 151 is arranged on the inner side wall of the truncated cone, and the first crushing blade 155 is arranged on the inner side wall of the truncated cone. The blades 151 are strip-shaped and are provided in plurality. The plurality of first crushing blades 151 are radially distributed. The inner wall of the cylinder is provided with second crushing blades 155, and the second crushing blades 155 are spiral blades. The connection between the truncated cone and the cylinder is provided with a plurality of chains 153 arranged in parallel, and each chain 153 is provided with a plurality of steel balls 152. The side wall of the cylinder 1 is hollow to form a cavity, and the rotating shaft 14 is a hollow rotating shaft 14, wherein one rotating shaft 14 is connected to the cavity, and a heat fluid is passed to the cavity through the rotating shaft 14, and the other rotating shaft 14 is connected to the inside of the cylinder 1, and the vacuum tube 31 passes through the rotating shaft 14 and extends into the cylinder 1, and the vacuum tube 31 is connected to the vacuum device 3. The driving mechanism may adopt the conventional structure of the prior art.

[0025] Exemplarily, a plurality of connecting rings 154 for mounting chains 153 are provided on the inner side wall of the cylinder 1 .

[0026] Specifically, the chain 153 is in a loose state, and the loose chain will swing when the cylinder rotates, which is more conducive to crushing the material.

[0027] Exemplarily, a spacer sleeve 16 parallel to the side wall of the cylinder 1 is provided in the cavity of the side wall of the cylinder 1, and the spacer sleeve 16 divides the cavity into two spaces, the inner layer is an air inlet cavity 17, and the outer layer is a return air cavity 18. The return air cavity 18 is connected with the rotating shaft 14, and an air inlet pipe 6 is also inserted in the rotating shaft 14, and the air inlet pipe 6 is connected with the air inlet cavity 17. A connecting sleeve 5 is also sleeved on the outside of the air inlet pipe 6, and the connecting sleeve 5 is rotatably connected to the rotating shaft 14. An air outlet pipe 51 is provided on the connecting sleeve 5, and the air inlet pipe 6 is connected to the hot fluid box, and the air outlet pipe 51 is connected to the cold fluid box; the upper end and the lower end of the spacer sleeve 16 are respectively provided with a first connecting port 161 and a second connecting port 162.

[0028] Specifically, a residual liquid outlet 13 is further provided on the lower side wall of the cylinder 1 , and the residual liquid outlet 13 is communicated with the air return chamber 18 , and a valve is provided at the residual liquid outlet 13 .

[0029] Specifically, a slip-on flange 7 is rotatably provided on the rotating shaft 14 connected to the connecting sleeve 5 , and the connecting sleeve 5 and the slip-on flange 7 are connected via a flange.

[0030] Exemplarily, a material filter screen 4 is provided at the end of the vacuum tube 31 extending into the cylinder 1 .

[0031] 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, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A double cone dryer, characterized in that: It includes a cylinder and a bracket for supporting the cylinder, a rotating shaft is arranged on the left and right sides of the cylinder, the rotating shaft is rotatably installed on the bracket, and a driving mechanism for driving the rotating shaft to rotate is arranged on the bracket; a feed port and a discharge port are arranged at the upper and lower ends of the cylinder respectively, a feed sealing cover is arranged at the feed port, and a discharge sealing cover is arranged at the discharge port; a crushing mechanism is arranged inside the cylinder, and the crushing mechanism includes a first crushing blade, a steel ball, a chain and a second crushing blade; the middle part of the cylinder is cylindrical, and the upper and lower ends of the cylinder are both truncated cone-shaped, and the first crushing blade is arranged on the inner side wall of the truncated cone, and the first The crushing blades are strip-shaped and there are several of them. The several first crushing blades are distributed radially. The second crushing blades are arranged on the inner wall of the cylinder. The second crushing blades are spiral blades. The connection between the cone and the cylinder is provided with several chains arranged in parallel, and each chain is provided with several steel balls. The side wall of the cylinder is hollow to form a cavity, and the rotating shaft is a hollow rotating shaft. One of the rotating shafts is connected with the cavity, and heat fluid is passed through the rotating shaft to the cavity. The other rotating shaft is connected with the inside of the cylinder. The vacuum tube passes through the rotating shaft and extends into the cylinder. The vacuum tube is connected to the vacuum device.

2. The double cone dryer according to claim 1, characterized in that: A plurality of connecting rings for installing chains are arranged on the inner side wall of the cylinder.

3. The double cone dryer according to claim 2, characterized in that: The chain is slack.

4. The double cone dryer according to claim 1, characterized in that: A spacer sleeve parallel to the side wall of the cylinder is provided in the cavity of the side wall of the cylinder, and the spacer sleeve divides the cavity into two spaces, the inner layer is an air inlet cavity, and the outer layer is an air return cavity, the air return cavity is connected with the rotating shaft, an air inlet pipe is also inserted in the rotating shaft, the air inlet pipe is connected with the air inlet cavity, a connecting sleeve is also sleeved on the outside of the air inlet pipe, the connecting sleeve is rotatably connected with the rotating shaft, an air outlet pipe is provided on the connecting sleeve, the air inlet pipe is connected with the hot fluid box, and the air outlet pipe is connected with the cold fluid box; the upper end and the lower end of the spacer sleeve are respectively provided with a first connecting port and a second connecting port.

5. The double cone dryer according to claim 4, characterized in that: A residual liquid outlet is also arranged on the lower side wall of the cylinder body, the residual liquid outlet is communicated with the air return cavity, and a valve is arranged at the residual liquid outlet.

6. The double cone dryer according to claim 4, characterized in that: A slip-on flange is rotatably provided on the rotating shaft connected with the connecting sleeve, and the connecting sleeve and the slip-on flange are connected through a flange.

7. The double cone dryer according to claim 1, characterized in that: The end of the vacuum tube extending into the cylinder is provided with a material filter screen.

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