Closed cycle type fluidized bed drying equipment

Abstract

The utility model discloses closed circulation type fluidized bed drying equipment, and particularly relates to the technical field of drying equipment, which comprises drying equipment, a gas gathering pipe arranged at the top of the drying equipment, a feed hopper fixedly connected to one end of the top of the drying equipment, and an opening and closing mechanism arranged in the middle of the feed hopper. An air inlet pipe and a vibration motor are arranged on two sides of the drying equipment respectively; and a discharging pipe is arranged at the bottom of one end, away from the feeding hopper, of the drying equipment. Firstly, the motor is started to control the rotating shaft to drive the rotating rod and the slitting plate to rotate, entered blocky materials can be preliminarily crushed through the slitting plate, then the rotating rod drives the fixing rod to secondarily scatter the materials, the dispersion uniformity of the entered materials is improved, and through the cooperation of the gear and the fixing tooth block, the material scattering uniformity is improved. When the rotating rod rotates with the rotating shaft as the axis, the rotating rod drives the fixing rod to rotate, the material dispersing effect is improved, and therefore the drying uniformity is improved, and the feeding effect is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to drying equipment technical field more specifically, the utility model relates to a closed circuit circulation type fluidized bed drying equipment. BACKGROUND

[0002] The closed circuit circulation type fluidized bed drying equipment is that material enters the fluidized bed drying equipment from the feeding port, and hot gas is input at the same time, so that the material is in a fluidized state under the action of the hot gas, the drying of the material is realized, the dried material is discharged from the discharge port, the moisture of the material is input into the cyclone separator or other gas-solid separation equipment, the fine particle material mixed therein is separated out and returned to the drying chamber to reduce the loss of the material, and the separated moisture gas continues to enter the condenser, the gas after condensation is discharged from the system as waste gas, and most of the gas is sent back to the heater by the circulating fan for heating, and then reenters the drying chamber for recycling, so that the closed circuit circulation of the gas is formed.

[0003] The Chinese patent with the patent application number CN202121927638.1 discloses a closed circuit circulation type fluidized bed drying equipment, which aims at the problem that the existing tail gas is directly discharged and is not environmentally friendly, and the air containing oxygen as a drying medium is not safe enough, and comprises a drying device, and a feeding device is installed on the right side of the drying device.

[0004] However, as can be seen from the drawings of the specification, the raw material is directly input into the drying equipment, and since many raw materials are prone to caking during storage, transportation or production, and since the size of some raw materials, such as some ore raw materials and agricultural raw materials, is large or the shape is extremely irregular, the raw material is directly input into the drying equipment, which is prone to cause problems such as poor feeding and clogging of the feeding port when the raw material enters the vibrating fluidized bed dryer, thereby affecting the uniformity of drying and the drying quality. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a closed circuit circulation type fluidized bed drying equipment to solve the problems in the above background art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a closed cycle type fluidized bed drying equipment, including drying equipment, the top of drying equipment is provided with the gas gathering pipe, through the gas gathering pipe is convenient to the gas after drying is discharged and is handled, thereby carries out the recycling, one end fixedly connected with the feed inlet of drying equipment top, through the feed inlet is convenient to the raw material input drying equipment's inside, the middle part of feed inlet is provided with the opening and closing mechanism, through the opening and closing mechanism is convenient to the middle part of feed inlet opens and closes, the both sides of drying equipment are provided with air inlet pipe and vibration motor respectively, the bottom of one end of drying equipment away from feed inlet is provided with the blanking tube, through air inlet pipe can input high temperature gas drying equipment's inside, through vibration motor control drying equipment internal mechanism vibration makes the raw material vibration moves, and through blanking tube is convenient to the material after drying is discharged,

[0007] The inside fixedly connected with the guide plate and the baffle of one end of drying equipment near the feed inlet, the middle part of guide plate is inserted with the shaft, the bottom of shaft is connected with motor, the top of shaft is provided with stabilizer, stabilizer is fixed in the inner chamber bottom of feed inlet, through guide plate guides the material that enters, avoids the material that disperses and moves too fast through baffle, influences drying effect, and improves the stability of shaft rotation through stabilizer;

[0008] The top of shaft is fixedly connected with a plurality of split plates, the top of shaft is fixedly connected with the connecting seat around symmetry, the middle part of connecting seat is rotatably connected with the rotating rod, one end of rotating rod is fixedly connected with the gear, the outer surface of rotating rod is fixedly connected with a plurality of fixed rods, the inner chamber of drying equipment is fixedly connected with the fixed tooth block on the top of guide plate one side, starts motor control shaft drives split plate rotation, can smash the material that enters, and drives rotating rod to rotate with shaft as the axis to smash the material secondly, improves the uniformity of smash dispersion, and moves from the bottom of fixed tooth block through gear, can control gear rotation through the cooperation of fixed tooth block, so that the rotating rod rotates with its own axis as the axis, so as to drive fixed rod to disperse, improve the dispersion effect, avoid the existence of massive raw materials, improve the uniformity of later drying.

[0009] Preferably, the inner chamber of drying equipment is provided with a rod body at the top of guide plate, a plurality of cutting discs are fixedly sleeved on the outside of rod body, the cutting disc is located between the baffle and the guide plate, the cutting disc is located at the bottom of rotating rod, the scattered material can be secondly impacted and dispersed through the cutting disc.

[0010] Preferably, the rotating rod is arranged at the bottom of split plate, one of the gears corresponds to the fixed tooth block, the cross-sectional shape of the fixed tooth block is arranged as an arc structure, the bottom teeth of the fixed tooth block are engaged with the gear, the rotating rod can be controlled to rotate itself through the engagement of the gear and the fixed tooth block, and the dispersion effect is improved.

[0011] Preferably, the opening and closing mechanism comprises sealing plates symmetrically inserted on both sides of the bottom end of the feeding hopper, one end of the sealing plate is fixedly connected with a limiting plate, both sides of the feeding hopper are symmetrically provided with fixed plates, and one side of one of the fixed plates is fixedly connected with a transmission box.

[0012] Preferably, the limiting plate is symmetrically provided with threaded rods at both ends, the threaded rods are symmetrically threaded at both ends, and the middle of one of the threaded rods is provided with a double-shaft motor.

[0013] Preferably, one end of the threaded rod extends to the inside of the transmission box and is sleeved with a transmission gear belt and a transmission gear, the transmission gear is engaged with the transmission gear belt, the double-shaft motor is started to control the rotation of the threaded rod, and through the cooperation of the transmission gear belt and the transmission gear in the inside of the transmission box, the two threaded rods can be rotated at the same time, so that the limiting plate drives the sealing plate to move, the inside of the feeding hopper is conveniently opened and closed, and the opening and closing are conveniently controlled.

[0014] The technical effects and advantages of the present application are as follows:

[0015] 1. The utility model first passes through starting motor control rotation axis and drives rotary rod and slitting plate rotation, can pass through slitting plate and carries out primary broken to entering blocky material, then passes through rotary rod and drives fixed rod and disperses material secondly, improves the dispersion uniformity of entering material, and can rotate when rotary rod rotates with rotation axis as the axis through the cooperation of gear and fixed tooth block, rotary rod drives fixed rod to rotate itself, improves material dispersion effect, thereby improves the uniformity of drying, and will not influence feeding effect;

[0016] 2. The utility model still improves the stability of rotation axis rotation through the setting stabilizer, and can start double-shaft motor control threaded rod rotation through the setting opening and closing mechanism, so that the two sealing plates move at the same time, so that the inside of the fixed tooth block is conveniently opened and closed, the use is conveniently controlled, the use effect is improved, and the baffle plays a blocking role;

[0017] In summary, through the mutual influence of the above-mentioned multiple effects, the entering blocky material can be broken and dispersed, the dispersion uniformity of the entering material is improved, the uniformity of drying is improved, and the feeding effect is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic diagram of the utility model.

[0019] Figure 2 It is the structure schematic diagram of the drying equipment of the utility model.

[0020] Figure 3 This is a schematic diagram of a partial cross-sectional structure of the present invention.

[0021] Figure 4 This utility model Figure 1 A magnified schematic diagram of the structure at point A in the middle.

[0022] Figure 5 This is a schematic diagram of the connection structure of the motor, cutting plate, and rotating rod of this utility model.

[0023] Figure 6 This is a schematic diagram of the opening and closing mechanism of this utility model.

[0024] The attached diagram is labeled as follows: 1. Drying equipment; 2. Air inlet pipe; 3. Vibrating motor; 4. Air gathering pipe; 5. Feed pipe; 6. Feed hopper; 7. Guide plate; 8. Rotating shaft; 9. Motor; 10. Stabilizing rod; 11. Slitting plate; 12. Connecting seat; 13. Rotating rod; 14. Fixing rod; 15. Gear; 16. Fixing tooth block; 17. Cutting disc; 18. Baffle; 19. Sealing plate; 20. Fixing plate; 21. Limiting plate; 22. Threaded rod; 23. Dual-shaft motor; 24. Transmission box. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] As attached Figures 1-6 The closed-loop circulating fluidized bed drying equipment shown includes a drying device 1. A gas gathering pipe 4 is provided at the top of the drying device 1, through which the dried gas is conveniently discharged for treatment and recycling. A feed hopper 6 is fixedly connected to one end of the top of the drying device 1, through which raw materials are conveniently input into the interior of the drying device 1. An opening and closing mechanism is provided in the middle of the feed hopper 6, through which the middle of the feed hopper 6 is conveniently opened and closed. An air inlet pipe 2 and a vibration motor 3 are respectively provided on both sides of the drying device 1. A discharge pipe 5 is provided at the bottom of the end of the drying device 1 away from the feed hopper 6. High-temperature gas can be input into the interior of the drying device 1 through the air inlet pipe 2. The vibration motor 3 controls the vibration of the internal mechanism of the drying device 1 to make the raw material vibrate and move, and the dried material is conveniently discharged through the discharge pipe 5.

[0027] A guide plate 7 and a baffle 18 are fixedly connected inside the drying equipment 1 near the feed hopper 6. A rotating shaft 8 is inserted in the middle of the guide plate 7. A motor 9 is connected to the bottom of the rotating shaft 8. A stabilizing rod 10 is set at the top of the rotating shaft 8 and is fixed to the bottom of the inner cavity of the feed hopper 6. Multiple cutting plates 11 are fixedly connected to the top of the rotating shaft 8. Connecting seats 12 are symmetrically fixedly connected around the top of the rotating shaft 8. A rotating rod 13 is rotatably connected to the middle of the connecting seat 12. A gear 15 is fixedly connected to one end of the rotating rod 13. Multiple fixing rods 14 are fixedly connected to the outer surface of the rotating rod 13. A fixing tooth block 16 is fixedly connected to the top side of the guide plate 7 in the inner cavity of the drying equipment 1. The guide plate 7 guides the incoming material, the baffle 18 acts as a barrier, and the stabilizing rod 10 improves the stability of the rotating shaft 8. The motor 9 starts to control the rotating shaft 8 to drive the cutting plate 11 to rotate, which can crush the incoming material. It also drives the rotating rod 13 to rotate around the rotating shaft 8 as the axis to crush the material a second time, improving the uniformity of crushing and dispersion. The gear 15 moves from the bottom of the fixed tooth block 16. By cooperating with the fixed tooth block 16, the gear 15 can be controlled to rotate, so that the rotating rod 13 rotates around its own axis, thereby driving the fixed rod 14 to disperse the material, improving the dispersion effect, avoiding the presence of lumpy raw materials, and improving the uniformity of subsequent drying.

[0028] As attached Figure 1 , 3 As shown in Figures 4 and 5, a rod is installed at the top of the guide plate 7 in the inner cavity of the drying equipment 1. Multiple cutting discs 17 are fixedly sleeved on the outside of the rod. The cutting discs 17 are located between the baffle 18 and the guide plate 7 and at the bottom of the rotating rod 13. The rotating rod 13 is located at the bottom of the cutting plate 11. One of the gears 15 corresponds to the fixed tooth block 16. The cross-sectional shape of the fixed tooth block 16 is set as an arc structure. The bottom teeth of the fixed tooth block 16 mesh with the gear 15. The cutting discs 17 can secondary impact and disperse the scattered materials. Through the meshing of the gear 15 and the fixed tooth block 16, the rotation of the rotating rod 13 can be controlled to improve the dispersion effect.

[0029] As attached Figure 3 , 6As shown, the opening and closing mechanism includes the blocking plate 19 symmetrically inserted on both sides of the bottom end of the feeding hopper 6, one end of the blocking plate 19 is fixedly connected with the limiting plate 21, both sides of the feeding hopper 6 are symmetrically provided with the fixed plate 20 fixed on the top of the drying equipment 1, one side of one of the fixed plates 20 is fixedly connected with the transmission box 24, both ends of the limiting plate 21 are symmetrically inserted with the threaded rod 22, both ends of the threaded rod 22 are symmetrically threaded, the middle part of one of the threaded rods 22 is provided with the double-shaft motor 23, one end of the threaded rod 22 extends to the inside of the transmission box 24 and is sleeved with the transmission tooth belt and the transmission gear, the transmission gear is engaged with the transmission tooth belt, the double-shaft motor 23 is started to control the rotation of the threaded rod 22, through the cooperation of the transmission tooth belt and the transmission gear in the inside of the transmission box 24, the two threaded rods 22 can be simultaneously rotated, so as to control the limiting plate 21 to drive the blocking plate 19 to move, the inside of the feeding hopper 6 is conveniently opened and closed, and the opening and closing is conveniently controlled.

[0030] The working principle of the utility model is as follows: when in use, the double-shaft motor 23 is started to control the two blocking plates 19 to move to the opposite sides in sequence, the inner cavity of the feeding hopper 6 can be opened, the raw materials are poured into the inside of the drying equipment 1 through the feeding hopper 6, the motor 9 is started to control the slitting plate 11 and the rotating rod 13 to rotate, the entering blocky materials can be broken through the rotation of the slitting plate 11 and the rotating rod 13, the dispersion effect of the materials is improved, and the blocky materials affect the drying effect.

[0031] The high-temperature gas is input through the air inlet pipe 2, the vibration motor 3 is started to control the vibration of the inside of the drying equipment 1, the entering materials can be dried through the drying equipment 1, the generated waste gas is input into the inside of the gas collecting pipe 4 and is discharged to be filtered and dried, then is recycled, and the dried materials are discharged through the discharge pipe 5.

[0032] The above only describes the preferred embodiments of the utility model and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A closed-loop circulating fluidized bed drying device, comprising drying equipment (1), characterized in that: The top of the drying equipment (1) is provided with an air-gathering pipe (4), and a feed hopper (6) is fixedly connected to one end of the top of the drying equipment (1). An opening and closing mechanism is provided in the middle of the feed hopper (6). An air inlet pipe (2) and a vibration motor (3) are respectively provided on both sides of the drying equipment (1). A discharge pipe (5) is provided at the bottom of the end of the drying equipment (1) away from the feed hopper (6). The drying equipment (1) has a guide plate (7) and a baffle (18) fixedly connected inside one end near the feed hopper (6). A rotating shaft (8) is inserted in the middle of the guide plate (7). A motor (9) is connected to the bottom end of the rotating shaft (8). A stabilizing rod (10) is provided at the top end of the rotating shaft (8). The stabilizing rod (10) is fixed to the bottom of the inner cavity of the feed hopper (6). Multiple cutting plates (11) are fixedly connected to the top of the rotating shaft (8). Connecting seats (12) are symmetrically fixedly connected around the top of the rotating shaft (8). A rotating rod (13) is rotatably connected to the middle of the connecting seat (12). A gear (15) is fixedly connected to one end of the rotating rod (13). Multiple fixing rods (14) are fixedly connected to the outer surface of the rotating rod (13). A fixing tooth block (16) is fixedly connected to the inner cavity of the drying device (1) on the top side of the guide plate (7).

2. The closed-loop circulating fluidized bed drying equipment according to claim 1, characterized in that: The inner cavity of the drying device (1) is provided with a rod at the top of the guide plate (7). Multiple cutting discs (17) are fixedly sleeved on the outside of the rod. The cutting discs (17) are located between the baffle (18) and the guide plate (7) and at the bottom of the rotating rod (13).

3. The closed-loop circulating fluidized bed drying equipment according to claim 1, characterized in that: The rotating rod (13) is located at the bottom of the cutting plate (11), and one of the gears (15) corresponds to the fixed tooth block (16). The cross-sectional shape of the fixed tooth block (16) is set as an arc structure, and the bottom teeth of the fixed tooth block (16) mesh with the gear (15).

4. The closed-loop circulating fluidized bed drying equipment according to claim 1, characterized in that: The opening and closing mechanism includes sealing plates (19) symmetrically inserted on both sides of the bottom end of the feed hopper (6). One end of the sealing plate (19) is fixedly connected to a limiting plate (21). Fixing plates (20) are symmetrically arranged on both sides of the feed hopper (6). The fixing plates (20) are fixed to the top of the drying equipment (1). One side of one of the fixing plates (20) is fixedly connected to a transmission box (24).

5. The closed-loop circulating fluidized bed drying equipment according to claim 4, characterized in that: The limiting plate (21) has threaded rods (22) inserted symmetrically at both ends. The threads at both ends of the threaded rods (22) are symmetrical, and a dual-axis motor (23) is provided in the middle of one of the threaded rods (22).

6. The closed-loop circulating fluidized bed drying equipment according to claim 5, characterized in that: One end of the threaded rod (22) extends into the interior of the transmission box (24) and is fitted with a transmission belt and a transmission gear, with the transmission gear meshing with the transmission belt.

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