A fluidized bed dryer with automatic temperature adjustment function

Abstract

The invention discloses a fluidized bed dryer with an automatic temperature adjustment function, relates to the technical field of fluidized bed dryers, and comprises a drying component for drying grains. The drying component automatically feeds and discharges grains and ensures the uniformity of heating during grain drying. A detection component for sealing the top of the drying component is detachably provided at the upper end of the drying component. The detection component seals the drying component to prevent leakage of grains in the drying component, and the detection component automatically samples and detects the grains in a drying barrel. An air inlet component for ventilating the drying barrel is detachably provided at the lower end of the drying component. The ventilation temperature is automatically adjusted on the air inlet component according to the dryness of the grains in the drying barrel to ensure the highest utilization efficiency of heat. Inappropriate temperature affects the drying of the grains. The invention improves the drying efficiency of the grains, saves energy, and automatically completes the drying of the grains.

Description

Technical Field

[0001] The invention relates to the technical field of fluidized bed dryers, and in particular to a fluidized bed dryer with an automatic temperature adjustment function. Background Art

[0002] Fluidized bed dryer is a kind of equipment used to dry granular materials. Its main working principle is to speed up the drying process by suspending the granular materials in a high-speed airflow so that they are fully exposed to hot air. The core of fluidized bed dryer is the airflow fluidization process. In the fluidized bed dryer, air (usually hot air) is fed from the bottom of the bed through a ventilation device to suspend the granular materials in the airflow to form a fluidized bed. In this process, the airflow velocity must be high enough to overcome the gravity of the granular materials and achieve fluidization of the bed.

[0003] The Chinese invention patent with announcement number CN116928993B discloses a three-layer vibrating fluidized bed dryer. This device dries the material to be dried by means of a material turning component, and performs multi-level processing on the material to avoid the influence of too much material on the drying effect. However, this device cannot sample and detect the material in real time during the drying process, and the temperature in the drying box cannot be accurately controlled, which affects the drying effect of the material. Summary of the invention

[0004] In view of the above technical problems, the present invention discloses a fluidized bed dryer with automatic temperature adjustment function.

[0005] The technical solution adopted by the present invention to solve the above technical problems is: a fluidized bed dryer with automatic temperature control function, including a drying component, the drying component including a bracket, an air inlet barrel is arranged on the bracket, a drying barrel is arranged inside the air inlet barrel, a first chamber is arranged between the air inlet barrel and the drying barrel, a locking mechanism is arranged on the drying barrel, the locking mechanism fixes the detection component on the drying barrel, an air inlet and an air inlet component are arranged at the lower end of the air inlet barrel, the air inlet component includes a lifting plate slidably mounted on the bracket, a cold air head and multiple groups of support seats are arranged on the lifting plate, and the support seat is used to convey hot air. The cold air head is used to convey cold air, and a plurality of groups of air outlet gates are arranged on the cold air head, and the air outlet gates are aligned with a plurality of groups of support seats, and a plurality of groups of adjustment plates are rotatably arranged on the support seats, and a wind shield cloth is arranged between the adjustment plates, and the adjustment plates are rotated to change the air outlet of the support seats. The air inlet assembly also includes a recovery mechanism, and the recovery mechanism recovers the grains in the drying barrel and scattered on the lifting plate. The detection assembly includes a top cover installed on the drying barrel, and a reset plate is slidably arranged on the top cover, and a collecting trough is arranged on the top cover, and a detection mechanism is arranged on the collecting trough, and the detection mechanism detects the dryness of the grains in the collecting trough.

[0006] Furthermore, a leak-proof frame is rotatably provided on the drying barrel, a bottom plate is provided at the lower end of the drying barrel, and multiple groups of air outlets are provided on the drying barrel and the bottom plate. The leak-proof frame blocks the air outlets on the drying barrel to prevent grain leakage.

[0007] Furthermore, a placement groove is provided on the side of the air inlet barrel drying component, and a baffle is slidably provided in the placement groove. When the baffle is inserted into the air inlet barrel, the grains in the drying barrel are blocked. A scraper is rotatably provided at the lower end of the bottom plate, and the scraper scrapes the side of the bottom plate facing the air inlet.

[0008] Furthermore, the locking mechanism includes a fixing frame installed on the drying barrel, a second chamber is arranged in the fixing frame, the second chamber is communicated with the first chamber, a locking column is slidably arranged in the second chamber, and the locking column is inserted in the top cover.

[0009] Furthermore, the detection mechanism includes a baffle 2 slidably mounted on the collection tank, a sealing cover is slidably arranged on the collection tank, a rotating ring is rotatably arranged on the sealing cover, a rotating plate is rotatably arranged on the rotating ring, and a detection head and multiple groups of stirring columns are arranged on the rotating plate.

[0010] Furthermore, the recovery mechanism includes a connecting rod slidably mounted on a bracket, a receiving hopper is provided on the connecting rod, a discharge port is provided on the side of the receiving hopper, and the grains in the receiving hopper are discharged through the discharge port, and the receiving hopper is intermittently aligned with the air inlet.

[0011] Furthermore, a sliding plate is slidably provided at the lower end of the receiving hopper, an adsorption head is rotatably provided on the sliding plate, and the adsorption head is connected to the receiving hopper through a pipeline.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the drying component provided in the present invention can automatically adjust the number of air outlets used according to the processing volume of grains, thereby improving the utilization rate of hot air and the drying efficiency of grains and reducing energy consumption; and the detection component provided in the present invention automatically performs sampling detection on the grains in the drying barrel, and the samples are blown into the collecting trough by hot air, thereby improving the randomness and representativeness of the samples and making the detection results more accurate; the air inlet component provided in the present invention automatically recycles the grains and at the same time changes the drying temperature of the grains by adjusting the mixing ratio of cold and hot air; the mixing effect of cold and hot air is improved by providing an air outlet switch and an adjustment plate, thereby improving the applicability of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view of the overall structure of the present invention.

[0014] Figure 2 for Figure 1 Structural cross-section view in the AA direction.

[0015] Figure 3 It is a schematic diagram of the overall structure of the present invention.

[0016] Figure 4 It is a schematic diagram of the structure of the drying component of the present invention.

[0017] Figure 5 It is a cross-sectional view of the drying component structure of the present invention.

[0018] Figure 6 It is a partial structural cross-sectional view of the drying component of the present invention.

[0019] Figure 7 It is a schematic diagram of the structure of the leak-proof frame of the present invention.

[0020] Figure 8 This is a front view of the detection component structure of the present invention.

[0021] Fig. 9 for Figure 8 Structural cross-section view along the BB direction.

[0022] Fig.10 It is a schematic diagram of the local structure of the detection component of the present invention.

[0023] Fig.11 It is a schematic diagram of the structure of the air inlet assembly of the present invention.

[0024] Fig.12 It is a schematic diagram of the installation position of the support seat and the adjustment plate of the present invention.

[0025] Fig.13 It is a schematic diagram of the local structure of the air inlet assembly of the present invention.

[0026] 1-drying component; 2-detection component; 3-air inlet component; 101-bracket; 102-air inlet barrel; 103-placing slot; 104-drying barrel; 105-fixing frame; 106-mounting frame; 107-baffle 1; 108-air inlet; 109-bottom plate; 110-air outlet; 111-locking column; 112-scraper; 113-leakage-proof frame; 201-top cover; 202-collection tank; 203-baffle 2; 204-cap; 205-rotating ring; 206-reset plate; 207-spring; 208-rotating plate; 209-stirring column; 210-detection head; 301-lifting plate; 302-air inlet frame; 303-cold air head; 304-air outlet switch; 305-adjusting plate; 306-support seat; 307-receiving hopper; 308-sliding plate; 309-adsorption head; 310-discharge port; 311-connecting rod. DETAILED DESCRIPTION

[0027] refer to Figures 1 to 13A fluidized bed dryer with automatic temperature control function is shown, comprising a drying component 1 for drying grains. The drying component 1 automatically adjusts the number of air outlets 110 used according to the amount of grains to be dried, thereby saving energy. A detection component 2 for sealing a drying barrel 104 is detachably provided at the upper end of the drying component 1 to prevent leakage of grains in the drying component 1 during drying, and the detection component 2 performs real-time detection of the dryness of the grains in the drying barrel 104. An air intake component 3 for intake of air into the drying barrel 104 is provided at the lower end of the drying component 1. The air intake component 3 automatically adjusts the amount of cold and hot air mixing to achieve control of the intake temperature, thereby improving the drying efficiency of the grains.

[0028] The drying assembly 1 includes a plurality of brackets 101, on which an air inlet barrel 102 and a mounting bracket 106 are arranged, a drying barrel 104 is arranged inside the air inlet barrel 102, a first chamber is formed between the air inlet barrel 102 and the drying barrel 104, a fixing bracket 105 is arranged on the drying barrel 104, the fixing bracket 105 is connected to the air inlet barrel 102, a second chamber is arranged inside the fixing bracket 105, the second chamber is connected to the first chamber, a locking column 111 is slidably arranged in the second chamber, and a fixing bracket 112 is arranged on the drying barrel 104. There are multiple groups of air outlet holes 110, a bottom plate 109 is provided at the lower end of the drying barrel 104, a scraper 112 is provided on the side of the bottom plate 109 facing the air inlet component 3, and multiple groups of air outlet holes 110 are provided on the bottom plate 109. The air outlet holes 110 on the drying barrel 104 and the bottom plate 109 are both connected to the first chamber. The side of the bottom plate 109 facing the detection component 2 is an inclined surface. After the grains fall on the bottom plate 109, they are discharged at the lowest position on the bottom plate 109 by gravity. When the leak-proof frame 113 rotates, the grains on the drying barrel 104 are discharged. The air outlet 110 is blocked, a placement groove 103 is provided on the side of the air inlet barrel 102, and a baffle 107 is slidably provided in the placement groove 103. When the baffle 107 is inserted into the air inlet barrel 102, the baffle 107 blocks the grain in the drying barrel 104 to prevent the grain in the drying barrel 104 from falling out. An air inlet 108 is provided at the lower end of the bracket 101, and the air inlet component 3 is inserted at the position of the air inlet 108. The wind enters the drying barrel 104 through the first chamber to When there is less grain in the drying barrel 104, in order to avoid wasting wind power, the leak-proof frame 113 is driven to rotate on the drying barrel 104, and the leak-proof frame 113 blocks the air outlet 110 on the drying barrel 104, thereby reducing the number of air outlets 110 used and improving the recycling efficiency of wind power. When the first chamber is working, wind power enters the second chamber, and the wind power pushes the locking column 111 to slide in the fixing frame 105, and the locking column 111 is inserted in the top cover 201 to fix the top cover 201.

[0029] The detection component 2 includes a top cover 201, which is mounted on the drying barrel 104. A plurality of reset plates 206 are slidably arranged inside the top cover 201. A spring 207 is arranged between the top cover 201 and the reset plate 206. The spring 207 drives the reset plate 206 to reset. A collecting groove 202 is coaxially arranged on the top cover 201. A groove is arranged on the collecting groove 202. The grains are blown into the groove of the collecting groove 202 to complete the collection of the grains. A sealing cover 204 is slidably arranged on the collecting groove 202. A rotating ring 205 is rotatably arranged on the sealing cover 204. A rotating plate 208 is rotatably arranged on the rotating ring 205. A plurality of stirring columns 209 are arranged on the rotating plate 208. A detection head 210 is also arranged on the rotating plate 208. After there are grains in the groove, the cover 204 is driven to slide on the collecting groove 202, and the cover 204 is fitted with the collecting groove 202 to complete the sealing of the grains in the groove of the collecting groove 202. After the cover 204 is fitted with the collecting groove 202, the rotating ring 205 is driven to rotate in the cover 204, and the rotating plate 208 is driven to rotate at the same time. The rotating plate 208 drives multiple groups of stirring columns 209 to rotate, and the stirring columns 209 stir the grains to be inspected in the collecting groove 202. At the same time, the detection head 210 detects the dryness of the grains. The lower end of the collecting groove 202 is slidably provided with a baffle plate 203. When the grains in the collecting groove 202 are detected, the baffle plate 203 is driven to slide on the collecting groove 202, and the grooves in the collecting groove 202 are discharged from the lower end of the baffle plate 203.

[0030] The air inlet assembly 3 includes a lifting plate 301 slidably mounted on the bracket 101, an air inlet frame 302 is arranged on the lifting plate 301, a cold air head 303 and a plurality of support seats 306 are arranged on the air inlet frame 302, the cold air head 303 is connected to the cold air exhaust fan, the adjustment plate 305 is connected to the hot air exhaust fan, a plurality of adjustment plates 305 are rotatably arranged on the support seat 306, a wind shield plate is arranged between the plurality of adjustment plates 305, the adjustment plate 305 is driven to rotate on the support seat 306, the size of the air outlet of the support seat 306 changes the exhaust volume of the support seat 306, the cold air head 303 is rotatably connected to the air inlet frame 302, an air outlet valve 304 is arranged on the cold air head 303, and the direction of the air outlet valve 304 is changed when the cold air head 303 is driven to rotate on the air inlet frame 302 The cold air sprayed out by the air outlet valve 304 is directly mixed with the hot air of the support seat 306 and enters the drying barrel 104 for drying, thereby improving the mixing efficiency and avoiding uneven cold and hot air, which affects the grain drying efficiency. The air inlet component 3 also includes a connecting rod 311 slidably mounted on the mounting frame 106, and a receiving hopper 307 is arranged on the connecting rod 311. When recovering grains, the receiving hopper 307 is aligned with the drying barrel 104, and a discharge port 310 is arranged on the receiving hopper 307. The grains in the receiving hopper 307 are discharged through the discharge port 310. A sliding disk 308 is slidably arranged at the lower end of the receiving hopper 307, and an adsorption head 309 is rotatably arranged on the sliding disk 308. The adsorption head 309 collects the grains scattered on the lifting plate 301 to avoid grain waste.

[0031] Working principle: In the initial state, the baffle 107 is inserted into the air inlet barrel 102. At this time, the baffle 107 blocks the grains in the drying barrel 104. At this time, the first chamber is closed, and the lifting plate 301 is driven to slide on the bracket 101. The lifting plate 301 drives the air inlet frame 302 to be inserted into the air inlet 108. At this time, the air inlet frame 302 and the first chamber are separated by the baffle 107. The top cover 201 is installed on the drying barrel 104, and the locking column 111 is aligned with the reset plate 206. Then the cold and hot air exhaust fans are driven to work, and the support seat 306 discharges hot air. At the same time, the air outlet switch 304 discharges cold air, so that the cold and hot air are mixed to dry the grains. While exhausting the air, the baffle 107 is driven to reset. At this time, the air inlet frame 302 is connected to the first chamber, and the mixed air enters the first chamber, and enters the drying barrel 104 through the air outlet 110 on the drying barrel 104 and the bottom plate 109 to dry the grains in the drying barrel 104. The air pushes the locking column 111 to slide on the drying barrel 104 through the second chamber. At this time, the locking column 111 is inserted into the top cover 201, and the locking column 111 pushes the reset plate 206 to complete the fixation of the top cover 201, so as to avoid the top cover 201 being removed before the drying is completed. After the drying is completed, the baffle 107 is driven to be inserted into the air inlet barrel 102 without closing the air inlet assembly 3, and the baffle 107 blocks the grains in the air inlet barrel 102 and the drying barrel 104.

[0032] When the air inlet temperature in the drying barrel 104 needs to be adjusted, the adjustment plate 305 is driven to rotate on the support seat 306, and the positions of the multiple groups of adjustment plates 305 are changed, thereby adjusting the output of hot air. At the same time, the cold air head 303 is driven to rotate, and the cold air head 303 drives the air outlet valve 304 toward the adjustment plate 305, and at the same time, the cold air discharge amount of the cold air head 303 is increased. When the cold air is discharged, it is directly mixed with the hot air discharged from the support seat 306, thereby improving the mixing effect of the cold and hot air, and realizing the adjustment of the temperature in the drying barrel 104.

[0033] While the grains in the drying barrel 104 are being dried, the scraper 112 is driven to rotate. Since the wind from the air inlet assembly 3 is blown toward the drying barrel 104, some grains are easily stuck to the side of the bottom plate 109 facing the air inlet 108. Long-term direct blowing of air can easily affect the grains. When the scraper 112 rotates at the lower end of the bottom plate 109, the scraper 112 pushes the grains at the lower end of the bottom plate 109, and at the same time, the grains enter the drying barrel 104 through the air outlet 110 on the bottom plate 109.

[0034] When there is less grain in the drying barrel 104, in order to improve the heat utilization rate in the air and increase air circulation, the leak-proof frame 113 is driven to rotate on the drying barrel 104, and the leak-proof frame 113 blocks the air outlet 110 on the drying barrel 104. At this time, air enters the drying barrel 104 through the bottom plate 109, reducing the working number of the air outlet 110, saving energy and improving the drying efficiency of the grain.

[0035] During the grain drying process, part of the grain is driven by the wind into the groove of the collecting trough 202. When the grain in the collecting trough 202 is loaded with one-half, the cover 204 is driven to slide on the collecting trough 202, and the cover 204 is fitted with the collecting trough 202. After the cover 204 is fitted with the collecting trough 202, the rotating ring 205 is driven to rotate in the cover 204, and the rotating plate 208 is driven to rotate at the same time. The rotating plate 208 drives multiple groups of stirring columns 209 to rotate, and the stirring columns 209 stir the grain to be inspected in the collecting trough 202. At the same time, the detection head 210 detects the dryness of the grain. After the dryness is detected, the working temperature of the air inlet component 3 is adjusted in real time. When the grain in the collecting trough 202 is detected, the baffle plate 203 is driven to slide on the collecting trough 202, and the groove in the collecting trough 202 is discharged from the lower end of the baffle plate 203 and re-enters the drying barrel 104.

[0036] When it is necessary to discharge the grains in the drying barrel 104, first ensure that the baffle 107 has completed the blocking of the grains in the air inlet barrel 102, drive the lifting plate 301 to reset, drive the connecting rod 311 to slide on the mounting frame 106, the connecting rod 311 drives the receiving hopper 307 to align with the air inlet barrel 102, and drive the baffle 107 to reset. At this time, the grains in the air inlet barrel 102 and the drying barrel 104 fall into the receiving hopper 307 and are discharged through the discharge port 310. At the same time, the sliding plate 308 is driven to slide on the receiving hopper 307, and the adsorption head 309 is driven to rotate on the sliding plate 308, and the position of the adsorption head 309 is adjusted. The adsorption head 309 is used to adsorb and collect the grains scattered on the lifting plate 301 to avoid waste.

Claims

1. A fluidized bed dryer with automatic temperature control function, comprising a drying component (1), characterized in that: The drying component (1) comprises a bracket (101), an air inlet barrel (102) is arranged on the bracket (101), a drying barrel (104) is arranged inside the air inlet barrel (102), a first chamber is arranged between the air inlet barrel (102) and the drying barrel (104), a locking mechanism is arranged on the drying barrel (104), the locking mechanism fixes the detection component (2) on the drying barrel (104), an air inlet (108) and an air inlet component (3) are arranged at the lower end of the air inlet barrel (102), the air inlet component (3) comprises a lifting plate (301) slidably mounted on the bracket (101), a cold air head (303) and a plurality of support seats (306) are arranged on the lifting plate (301), the support seats (306) are used to convey hot air, the cold air head (303) is used to convey cold air, and the cold air head (303) is used to convey hot air. ) is provided with a plurality of groups of air outlet valves (304), the air outlet valves (304) are aligned with a plurality of groups of support seats (306), a plurality of groups of adjustment plates (305) are rotatably provided on the support seats (306), a wind shield cloth is provided between the adjustment plates (305), and the adjustment plates (305) are rotated to change the air outlet volume of the support seats (306), the air inlet assembly (3) further comprises a recovery mechanism, the recovery mechanism recovers the grains in the drying barrel (104) and scattered on the lifting plate (301), the detection assembly (2) comprises a top cover (201) installed on the drying barrel (104), a reset plate (206) is slidably provided on the top cover (201), a collecting trough (202) is provided on the top cover (201), a detection mechanism is provided on the collecting trough (202), and the detection mechanism detects the dryness of the grains in the collecting trough (202).

2. The fluidized bed dryer with automatic temperature control function according to claim 1, characterized in that: A leak-proof frame (113) is rotatably provided on the drying barrel (104), a bottom plate (109) is provided at the lower end of the drying barrel (104), a plurality of groups of air outlet holes (110) are provided on the drying barrel (104) and the bottom plate (109), and the leak-proof frame (113) blocks the air outlet holes (110) on the drying barrel (104) to prevent grain leakage.

3. The fluidized bed dryer with automatic temperature control function according to claim 2, characterized in that: A placement groove (103) is provided on the side of the drying component (1) of the air inlet barrel (102), and a baffle plate (107) is slidably provided in the placement groove (103). When the baffle plate (107) is inserted into the air inlet barrel (102), it blocks the grains in the drying barrel (104). A scraper plate (112) is rotatably provided at the lower end of the bottom plate (109), and the scraper plate (112) scrapes the side of the bottom plate (109) facing the air inlet (108).

4. The fluidized bed dryer with automatic temperature control function according to claim 3, characterized in that: The locking mechanism comprises a fixing frame (105) mounted on the drying barrel (104), a second chamber being arranged in the fixing frame (105), the second chamber being communicated with the first chamber, a locking column (111) being slidably arranged in the second chamber, and the locking column (111) being inserted into the top cover (201).

5. The fluidized bed dryer with automatic temperature adjustment function according to claim 1, characterized in that: The detection mechanism comprises a baffle plate 2 (203) slidably mounted on the collection tank (202); a cover (204) is slidably mounted on the collection tank (202); a rotating ring (205) is rotatably mounted on the cover (204); a rotating plate (208) is rotatably mounted on the rotating ring (205); and a detection head (210) and a plurality of stirring columns (209) are mounted on the rotating plate (208).

6. The fluidized bed dryer with automatic temperature control function according to claim 1, characterized in that: The recovery mechanism comprises a connecting rod (311) slidably mounted on a bracket (101); a receiving hopper (307) is arranged on the connecting rod (311); a discharge port (310) is arranged on the side of the receiving hopper (307); grains in the receiving hopper (307) are discharged through the discharge port (310); and the receiving hopper (307) is intermittently aligned with the air inlet (108).

7. The fluidized bed dryer with automatic temperature control function according to claim 6, characterized in that: A sliding plate (308) is slidably disposed at the lower end of the receiving hopper (307), an adsorption head (309) is rotatably disposed on the sliding plate (308), and the adsorption head (309) is connected to the receiving hopper (307) via a pipeline.

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