Middle cylinder of three-cylinder dryer

Abstract

The utility model belongs to the technical field of drying equipment, and particularly relates to a middle barrel of a three-barrel dryer, and an adjusting assembly can adjust the angle of an adjustable lifting plate when a barrel body works so as to change the moving speed of materials in the dryer. Through cooperation of the adjusting assembly and the adjustable lifting plate, the three-cylinder dryer has the function of adjusting the baffling speed of the materials, meanwhile, the drying efficiency and drying quality of the middle cylinder are improved, the application range of the three-cylinder dryer for drying the materials is widened, use convenience is improved, and the practicability is high. The angle of the adjustable lifting plates can be controlled by moving the fixing ring and the rack left and right, meanwhile, the lifting plates can synchronously rotate at the same angle, the control assembly can still control the angle of the adjustable lifting plates when the barrel rotates through cooperation of the control ring and the guide wheel, the equipment flexibility is improved, and the air inlet pipe can provide heat compensation for the interior of the middle barrel. Therefore, the drying effect of the three-cylinder dryer is further improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of drying equipment, and in particular relates to a middle drum of a three-drum drying machine. Background Art

[0002] The three-drum dryer is an energy-efficient product used for drying a variety of powders and small granular materials. Compared with the single-drum dryer, the three-drum dryer has a 48-80% higher working efficiency and is widely used in drying slag, clay, coal and other materials in various industries.

[0003] The inner cylinder, middle cylinder and outer cylinder of the existing composite cylinder are all provided with lifting plates of different shapes. The transportation and flipping of materials are realized through the cooperation of the lifting plates. The materials in the inner cylinder and the hot gas are mixed and dried in the downstream, and the materials in the middle cylinder and the hot gas are dried in the reverse flow. The middle cylinder part serves as the main drying area, and the outer cylinder part cools down and performs the final drying treatment on the materials. The materials are finally removed from the discharge port of the device. The existing lifting plates are fixedly installed, so the material baffle speed inside the dryer is fixed. The material transportation speed is mostly adjusted by adjusting the rotation speed of the device, but the device is large and the rotation speed cannot be too fast. Therefore, the sizes of dryers with different working efficiency are very different. Therefore, most three-drum dryers do not have the function of adjusting the material baffle speed, which affects the application range of the drying materials of the device. Utility Model Content

[0004] The purpose of the utility model is to provide a middle drum of a three-drum drying machine, so as to solve the problems mentioned in the background technology.

[0005] In order to achieve the above technical purpose, the technical solution adopted by the utility model is as follows:

[0006] A middle drum of a three-drum dryer, comprising a drum body and a base, wherein the drum body is rotatably mounted on the upper side of the base, the drum body is composed of an outer drum, a middle drum and an inner drum, wherein the inner drum is fixedly mounted on the inner side of the middle drum, wherein the middle drum is fixedly mounted on the inner side of the outer drum, wherein a conical material guide joint is mounted on the left side of the middle drum, wherein a material guide baffle is mounted on the right side of the outer drum, and wherein the middle drum is located on the left side of the material guide baffle, wherein the right side of the inner drum passes through the material guide baffle and a material feed port is arranged on the right side, wherein a plurality of evenly distributed fixed material lifting plates are arranged on the inner sides of the outer drum and the inner drum, and an adjustable material lifting mechanism is mounted on the inner side of the middle drum;

[0007] The adjustable material lifting mechanism includes a plurality of groups of adjustable material lifting components distributed on the left and right, and the adjustable material lifting components include a plurality of adjustable material lifting plates evenly distributed circumferentially, and the adjustable material lifting plates are rotatably connected to the middle cylinder. The side wall of the middle cylinder is a hollow double-layer structure, and an adjustment component for controlling the rotation of the adjustable material lifting plates is installed on the inner side of the side wall of the middle cylinder.

[0008] The adjustment assembly includes a gear, which is transmission-connected to the adjustable lifting plate, and a rack facing left and right and meshing with the gear is installed on the side of each gear. The rack is transmission-connected to the gears of multiple groups of adjustable lifting assemblies, and a fixing ring is fixedly connected to the outer sides of multiple racks. Multiple slide rails are installed on the inner side of the outer wall of the middle cylinder, and the fixing ring is slidingly connected to the slide rails left and right.

[0009] A linkage assembly is provided on the right side of the outer cylinder, and the linkage assembly includes a control ring, a round rod and a connecting rod. The number of the round rods matches the rack and is slidably connected to the material guide baffle left and right. One end of the round rod is fixedly connected to the rack, and the other end of the round rod is fixedly connected to the connecting rod. The connecting rod is transmission-connected to the control ring. A guide rail is fixed on the upper side of the base, and a slider is slidably connected to the upper side of the guide rail left and right. Two guide wheels are rotatably installed on the upper side of the slider, and the two guide wheels are respectively located on the left and right sides of the control ring and abut against the control ring. A control assembly is installed on the lower side of the slider.

[0010] The control component includes a screw rod, which is located on the upper side of the guide rail and is rotatably connected to the base. The screw rod is threadedly connected to the slider. A motor fixedly connected to the base is installed on the side of the screw rod, and the output end of the motor is transmission-connected to the screw rod.

[0011] The conical material guide joint is rotatably connected to the left side of the middle tube, an air inlet pipe connected to the inner side of the middle tube is installed on the upper side of the conical material guide joint, a fixed bracket is fixedly installed on the side of the conical material guide joint, and the fixed bracket is fixedly connected to the base.

[0012] The adjustment component can adjust the angle of the adjustable lifting plate when the drum is working, thereby changing the moving speed of the materials inside the dryer. The cooperation between the adjustment component and the adjustable lifting plate enables the three-drum dryer to have the function of adjusting the material baffle speed, while improving the drying efficiency and drying quality of the middle drum, and expanding the applicable range of the three-drum dryer for drying materials, and improving the convenience of use;

[0013] The angle of the adjustable lifting plate can be controlled by moving the fixed ring and the rack left and right, and several lifting plates can rotate synchronously at the same angle. The cooperation between the control ring and the guide wheel enables the control component to still control the angle of the adjustable lifting plate when the cylinder rotates, thus improving the flexibility of the equipment.

[0014] Since the transmission ratio of the threaded connection is relatively high, the cooperation between the screw rod and the slider enables the motor to control the angle of the adjustable lifting plate more delicately. At the same time, the cooperation between the screw rod and the slider has the characteristic of one-way locking, which can prevent the slider from moving left and right when the motor is stationary, thereby improving the reliability of the control component and the control accuracy of the control component;

[0015] The air inlet duct can provide heat compensation for the interior of the middle drum, thereby further improving the drying effect of the three-drum dryer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention can be further described by the non-limiting embodiments given in the accompanying drawings.

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the middle tube of the utility model.

[0019] Figure 3 for Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0020] Figure 4 for Figure 2 Schematic diagram of the enlarged structure at point B in the middle.

[0021] Figure 5 It is a schematic diagram of the internal cross-sectional structure of the utility model.

[0022] Figure 6 for Figure 5 Schematic diagram of the enlarged structure at point C in the middle.

[0023] Base 1, outer tube 2, middle tube 3, inner tube 4, tapered material guide joint 5, material guide baffle 6, feed port 7, fixed material lifting plate 8, adjustable material lifting plate 9, gear 10, rack 11, fixed ring 12, slide rail 13, control ring 14, round rod 15, connecting rod 16, guide rail 17, slider 18, guide wheel 19, screw 20, motor 21, air inlet pipe 22, fixed bracket 23. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0025] Example 1: Figure 1-5 As shown, a middle cylinder of a three-cylinder drying machine comprises a cylinder body and a base 1, the cylinder body is rotatably mounted on the upper side of the base 1, the cylinder body is composed of an outer cylinder 2, a middle cylinder 3 and an inner cylinder 4, the inner cylinder 4 is fixedly mounted on the inner side of the middle cylinder 3, the middle cylinder 3 is fixedly mounted on the inner side of the outer cylinder 2, a conical material guide joint 5 is mounted on the left side of the middle cylinder 3, a material guide baffle 6 is mounted on the right side of the outer cylinder 2, and the middle cylinder 3 is located on the left side of the material guide baffle 6, the right side of the inner cylinder 4 passes through the material guide baffle 6 and a material feed port 7 is arranged on the right side, a plurality of evenly distributed fixed material lifting plates 8 are arranged on the inner sides of the outer cylinder 2 and the inner cylinder 4, and an adjustable material lifting mechanism is mounted on the inner side of the middle cylinder 3;

[0026] The adjustable material lifting mechanism includes multiple groups of adjustable material lifting components distributed on the left and right, and the adjustable material lifting components include multiple adjustable material lifting plates 9 evenly distributed on the circumference. The adjustable material lifting plates 9 are rotatably connected to the middle cylinder 3. The side wall of the middle cylinder 3 is a hollow double-layer structure, and an adjustment component for controlling the rotation of the adjustable material lifting plates 9 is installed on the inner side of the side wall of the middle cylinder 3.

[0027] When the utility model is in use, the cylinder rotates on the upper side of the base 1, and the materials to be dried and the hot air enter the inner side of the inner cylinder 4 from the feed port 7, and are continuously lifted up by the fixed lifting plate 8 of the inner cylinder 4 and move longitudinally to the left under the rotation of the cylinder, so as to realize downstream drying. The materials fall into the upper side of the conical material guide joint 5 at the left end of the inner cylinder 4 by the action of their own weight, and are guided to the inner side of the middle cylinder 3, and longitudinally move to the right side of the middle cylinder 3 under the action of the adjustable lifting plate 9, so as to realize countercurrent drying. The materials fall into the inner side of the outer cylinder 2 by the action of the guide baffle on the right side of the middle cylinder 3 under the action of their own weight at the lower end, and the fixed lifting plate 8 of the outer cylinder 2 is in the same direction as the fixed lifting plate 8 of the inner cylinder 4, and longitudinally move to the left end of the outer layer under the action of the fixed lifting plate 8 of the outer cylinder 2 to realize material cooling, and are discharged from the left side of the outer cylinder 2.

[0028] The adjusting component can adjust the angle of the adjustable lifting plate 9 when the cylinder is working, thereby changing the material movement speed inside the dryer. The cooperation between the adjusting component and the adjustable lifting plate 9 enables the three-drum dryer to have the function of adjusting the material deflection speed, while improving the drying efficiency and drying quality of the middle drum 3, and increasing the applicable scope of the three-drum dryer for drying materials, thereby improving convenience of use.

[0029] The adjusting assembly includes a gear 10, which is transmission-connected to the adjustable lifting plate 9. A rack 11 facing left and right and meshing with the gear 10 is installed on the side of each gear 10. The rack 11 is transmission-connected to the gears 10 of multiple groups of adjustable lifting assemblies. A fixing ring 12 is fixedly connected to the outer sides of the multiple racks 11. Multiple slide rails 13 are installed on the inner side of the outer wall of the middle cylinder 3. The fixing ring 12 is slidingly connected to the slide rail 13 left and right.

[0030] A linkage assembly is provided on the right side of the outer cylinder 2, and the linkage assembly includes a control ring 14, a round rod 15 and a connecting rod 16. The number of the round rods 15 matches the rack 11 and is slidably connected to the guide baffle 6 left and right. One end of the round rod 15 is fixedly connected to the rack 11, and the other end of the round rod 15 is fixedly connected to the connecting rod 16. The connecting rod 16 is transmission-connected to the control ring 14. A guide rail 17 is fixed on the upper side of the base 1, and a slider 18 is slidably connected to the upper side of the guide rail 17 left and right. Two guide wheels 19 are rotatably installed on the upper side of the slider 18. The two guide wheels 19 are respectively located on the left and right sides of the control ring 14 and abut against the control ring 14. A control assembly is installed on the lower side of the slider 18.

[0031] When the adjustable lifting plate 9 needs to adjust its working angle, the fixing ring 12 and the rack 11 can move left and right to control the angle of the adjustable lifting plate 9, and at the same time, several lifting plates can rotate synchronously at the same angle. The control component can control the slider 18 to slide left and right to control the rack 11 to move left and right. The cooperation between the control ring 14 and the guide wheel 19 ensures that the control component can still control the angle of the adjustable lifting plate 9 when the cylinder rotates, thereby improving the flexibility of the equipment.

[0032] The control component includes a screw rod 20, which is located on the upper side of the guide rail 17 and is rotatably connected to the base 1. The screw rod 20 is threadedly connected to the slider 18. A motor 21 fixedly connected to the base 1 is installed on the side of the screw rod 20, and the output end of the motor 21 is transmission-connected to the screw rod 20.

[0033] Since the transmission ratio of the threaded connection is relatively high, the cooperation between the screw rod 20 and the slider 18 enables the motor 21 to control the angle of the adjustable lifting plate 9 more delicately. At the same time, the cooperation between the screw rod 20 and the slider 18 has a one-way locking feature, which can prevent the slider 18 from moving left and right when the motor 21 is stationary, thereby improving the reliability of the control component while improving the control accuracy of the control component.

[0034] Example 2: Figure 1 As shown, further improvements are made on the basis of Example 1, the conical material guiding joint 5 is rotatably connected to the left side of the middle tube 3, an air inlet pipe 22 connected to the inner side of the middle tube 3 is installed on the upper side of the conical material guiding joint 5, and a fixed bracket 23 is fixedly installed on the side of the conical material guiding joint 5, and the fixed bracket 23 is fixedly connected to the base 1.

[0035] The air inlet pipe 22 can be connected to an external hot air blower, and the rotating conical material guide joint 5 can keep the air inlet pipe 22 in the upper position when the cylinder rotates. The air inlet pipe 22 can provide heat compensation for the inside of the middle cylinder 3, thereby further improving the drying effect of the three-cylinder dryer.

[0036] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A middle drum of a three-drum dryer, comprising a drum body and a base, wherein the drum body is rotatably mounted on the upper side of the base, characterized in that: The cylinder body is composed of an outer cylinder, a middle cylinder and an inner cylinder. The inner cylinder is fixedly installed on the inner side of the middle cylinder, and the middle cylinder is fixedly installed on the inner side of the outer cylinder. A conical material guide joint is installed on the left side of the middle cylinder, and a material guide baffle is installed on the right side of the outer cylinder. The middle cylinder is located on the left side of the material guide baffle, and the right side of the inner cylinder passes through the material guide baffle and is provided with a feed port on the right side. The inner sides of the outer cylinder and the inner cylinder are both provided with a number of evenly distributed fixed material lifting plates, and an adjustable material lifting mechanism is installed on the inner side of the middle cylinder; The adjustable material lifting mechanism includes a plurality of groups of adjustable material lifting components distributed on the left and right, and the adjustable material lifting components include a plurality of adjustable material lifting plates evenly distributed circumferentially, and the adjustable material lifting plates are rotatably connected to the middle cylinder. The side wall of the middle cylinder is a hollow double-layer structure, and an adjustment component for controlling the rotation of the adjustable material lifting plates is installed on the inner side of the side wall of the middle cylinder.

2. The middle drum of a three-drum dryer according to claim 1, characterized in that: The adjustment assembly includes a gear, which is transmission-connected to the adjustable lifting plate, and a rack facing left and right and meshing with the gear is installed on the side of each gear. The rack is transmission-connected to the gears of multiple groups of adjustable lifting assemblies, and a fixing ring is fixedly connected to the outer sides of multiple racks. Multiple slide rails are installed on the inner side of the outer wall of the middle cylinder, and the fixing ring is slidingly connected to the slide rails left and right.

3. The middle drum of a three-drum dryer according to claim 2, characterized in that: A linkage assembly is provided on the right side of the outer cylinder, and the linkage assembly includes a control ring, a round rod and a connecting rod. The number of the round rods matches the rack and is slidably connected to the material guide baffle left and right. One end of the round rod is fixedly connected to the rack, and the other end of the round rod is fixedly connected to the connecting rod. The connecting rod is transmission-connected to the control ring. A guide rail is fixed on the upper side of the base, and a slider is slidably connected to the upper side of the guide rail left and right. Two guide wheels are rotatably installed on the upper side of the slider, and the two guide wheels are respectively located on the left and right sides of the control ring and abut against the control ring. A control assembly is installed on the lower side of the slider.

4. The middle drum of a three-drum dryer according to claim 3, characterized in that: The control component includes a screw rod, which is located on the upper side of the guide rail and is rotatably connected to the base. The screw rod is threadedly connected to the slider. A motor fixedly connected to the base is installed on the side of the screw rod, and the output end of the motor is transmission-connected to the screw rod.

5. The middle drum of a three-drum dryer according to claim 1, characterized in that: The conical material guide joint is rotatably connected to the left side of the middle tube, an air inlet pipe connected to the inner side of the middle tube is installed on the upper side of the conical material guide joint, a fixed bracket is fixedly installed on the side of the conical material guide joint, and the fixed bracket is fixedly connected to the base.

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