CN216048952U - Drying device for recycling small aluminum oxide balls - Google Patents

Abstract

The utility model discloses a drying device for recycling small alumina balls, which relates to the technical field of alumina recycling and comprises drying mechanisms and exhaust pipelines, wherein a plurality of drying mechanisms are sequentially connected into a drying production line through connecting pieces, the exhaust pipeline is arranged above the drying production line and is communicated with an exhaust outlet of each drying mechanism for intensively collecting hot air in the drying process, an exhaust fan is arranged at the top of a drying box, an air inlet pipe of the exhaust fan extends into the drying box, an air outlet pipe of the exhaust fan is connected with the exhaust pipelines, the left side and the right side in the drying box form an independent drying chamber through symmetrically arranged wind blocking curtains, the drying mechanisms are sequentially connected into the drying production line by adopting a sectional drying method, a track transports the small alumina balls into each drying mechanism, and each drying mechanism blows away liquid carried on the small alumina balls at different temperatures, and the hot air in each drying mechanism can be quickly and effectively exhausted.

Description

Drying device for recycling small aluminum oxide balls

Technical Field

The utility model relates to the technical field of alumina recovery, in particular to a drying device for recovering small alumina balls.

Background

The amount of waste alumina balls accumulated over a long period of time can constitute a serious environmental pollution. The selection of the heat treatment and the disposal method of dipping the alumina balls in the waste dilute nitric acid can improve the internal layout of the alumina balls and the holes of the active waste, thereby achieving the aim of regenerating the alumina balls. In the process of recovering the aluminum oxide, the waste aluminum oxide needs to be cleaned to remove surface impurities, and the waste aluminum oxide needs to be dried after cleaning, so that the subsequent aluminum oxide is convenient to roast and recover.

But current drying device for alumina ball recovery has certain defect in the in-process that uses, and current drying device adopts the integral type drying method, adopts same temperature to dry the alumina ball after the washing, and drying efficiency is not good, and the inside air of drying device flows each other moreover, and the hot-air that carries steam can not be by quick discharge. Therefore, it is necessary to provide a drying device for recovering alumina pellets in order to overcome the disadvantages of the prior art.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a drying device for recycling small aluminum oxide balls, which adopts a sectional drying method to gradually dry the cleaned small aluminum oxide balls, thereby not only improving the drying efficiency, but also saving the cost.

In order to achieve the purpose, the drying device for recycling the small aluminum oxide balls comprises drying mechanisms and exhaust pipelines, wherein the drying mechanisms are sequentially connected into a drying production line through connecting pieces, the exhaust pipelines are arranged above the drying production line and are communicated with exhaust outlets of the drying mechanisms to be used for collecting hot air in the drying process in a centralized manner.

Drying mechanism includes the drying cabinet, carriage and base, the top of drying cabinet sets up the air exhauster, the air-supply line of air exhauster stretches into the inside of drying cabinet, the play tuber pipe connection exhaust duct of air exhauster, the air blocking curtain that the inside left and right sides of drying cabinet set up through the symmetry constitutes solitary drying chamber, the carriage sets up the bottom at the drying cabinet, rotate a plurality of transmission shafts of connection through the bearing on the carriage, the track is established to the cover on the transmission shaft on each drying mechanism, and the transmission shaft passes through servo motor drive track transportation aluminium oxide bobble through each drying chamber, still run through on the track and set up a plurality of wind holes that are used for ventilating, the base sets up the bottom at the carriage, through a plurality of fixed air heaters of mount pad in the base, the air intake setting of air heater is on the base lateral wall, the air outlet upwards extends to the below of track perpendicularly.

Preferably, the connecting piece includes first fixed plate and second fixed plate, and first fixed plate horizontal connection is between two drying cabinets, and both ends are respectively through two drying cabinet lateral walls of bolt fixed connection about the first fixed plate, and the second fixed plate sets up perpendicularly between two carriage, and both ends are respectively through the lateral wall of two carriage of bolt fixed connection about the second fixed plate.

Preferably, a plurality of clamping seats are arranged on the track along the width, the clamping seats are arranged at equal intervals, clamping grooves are formed in the upper end faces of the clamping seats, and the clamping grooves are vertically clamped with the fixing baffle.

Preferably, the four corners of the bottom of the base are provided with support legs, and the bottoms of the support legs are provided with foot pads in circular structures.

Preferably, the air curtain includes the different expansion plate of mount and a plurality of specification, and the mount is installed at the top of drying cabinet, and bolted connection mount is passed through to the expansion plate at top, and the width of expansion plate reduces from top to bottom gradually, and the width in flexible chamber also reduces from top to bottom gradually, and the expansion plate is through flexible chamber sliding connection and this another expansion plate of flexible chamber specification looks adaptation.

Preferably, the topmost expansion plate is horizontally provided with a clamping bolt in an L-shaped structure, the bottommost expansion plate is rotatably connected with a hook, and the hook corresponds to the clamping bolt in position and is adaptive to the specification.

The utility model has the following beneficial effects:

the drying device for recycling the small aluminum oxide balls adopts a sectional drying method, the drying mechanisms are sequentially connected to form a drying production line, the small aluminum oxide balls are conveyed to the drying mechanisms by the crawler, the drying mechanisms blow away liquid carried on the small aluminum oxide balls at different temperatures, the drying efficiency is higher, hot air in each drying mechanism can be quickly and effectively discharged, and the hot air carrying the liquid is prevented from being gathered in the drying box.

Drawings

The present invention will be further described and illustrated with reference to the following drawings.

Fig. 1 is a schematic view of the overall structure of a drying apparatus for recovering alumina pellets according to a preferred embodiment of the present invention.

Fig. 2 is a schematic structural view of a drying mechanism of the drying device for recovering small alumina balls in fig. 1.

Fig. 3 is a schematic view of a track structure of the drying device for recovering alumina pellets in fig. 1.

Fig. 4 is a schematic view of a windshield of the drying mechanism of fig. 2.

Reference numerals: 1. a drying mechanism; 11. a drying oven; 12. a carriage; 13. a base; 14. an exhaust fan; 15. an air outlet pipe; 16. an air inlet pipe; 17. a wind screen; 18. a drive shaft; 19. a mounting seat; 110. a hot air blower; 111. a support leg; 112. a crawler belt; 113. a card holder; 114. a baffle plate; 115. a fixed mount; 116. a retractable plate; 117. fastening a bolt; 118. hooking; 2. an exhaust duct; 3. a connecting member.

Detailed Description

The technical solution of the present invention will be more clearly and completely explained by the description of the preferred embodiments of the present invention with reference to the accompanying drawings.

Examples

As shown in fig. 1 and 2, the drying device for recycling small alumina balls comprises drying mechanisms 1 and exhaust ducts 2, wherein the drying mechanisms 1 are sequentially connected into a drying production line through connecting pieces 3, the exhaust ducts 2 are arranged above the drying production line, and the exhaust ducts 2 are communicated with exhaust outlets of the drying mechanisms 1 to intensively collect hot air in the drying process.

In this embodiment, drying device adopts sectional type drying structure, each drying mechanism 1 connects gradually and forms a long drying assembly line, every drying mechanism 1's drying efficiency is different, carry water stain on the aluminium oxide bobble after the washing, drying mechanism 1 that begins at first can adopt stronger air heater 110 of wind-force, stronger wind-force can blow away the large granule water stain on the aluminium oxide bobble surface, next drying mechanism 1 can adopt the higher air heater 110 of temperature, higher temperature's hot-blast can accelerate the evaporation of water stain in aluminium oxide bobble gap department, last drying mechanism 1 can adopt the temperature lower, the more gentle air heater 110 of wind-force dries the aluminium oxide bobble, guarantee that the aluminium oxide bobble finally can keep dry. The indirect heating mode has high heat conduction efficiency and saves energy.

As shown in fig. 2 and fig. 3, the drying mechanism 1 includes a drying oven 11, a conveying frame 12 and a base 13, an exhaust fan 14 is disposed at the top of the drying oven 11, an air inlet pipe 16 of the exhaust fan 14 extends into the drying oven 11, an air outlet pipe 15 of the exhaust fan 14 is connected with the exhaust duct 2, the left and right sides of the inside of the drying oven 11 form independent drying chambers through symmetrically disposed wind shields 17, the conveying frame 12 is disposed at the bottom of the drying oven, the conveying frame 12 is rotatably connected with a plurality of transmission shafts 18 through bearings, a caterpillar band 112 is sleeved on the transmission shaft 18 on each drying mechanism 1, the transmission shafts 18 drive the caterpillar band 112 to transport alumina pellets through each drying chamber through a servo motor, a plurality of air holes for ventilation are further perforated on the caterpillar band 112, the base 13 is disposed at the bottom of the conveying frame 12, a plurality of hot air blowers 110 are fixed in the base 13 through a mounting seat 19, and an air inlet of the hot air blower 110 is disposed on the side wall of the base 13, The air outlet extends vertically upward below the track 112.

In this embodiment, the transmission shafts 18 on the drying mechanisms 1 are connected by the crawler 112, the cleaned alumina pellets are placed at one end of the crawler 112, the crawler 112 horizontally transports the alumina pellets to the drying mechanisms 1 along the drying assembly line for drying, during drying, the hot air blower 110 extracts and heats the air outside the base 13, and then blows the air vertically upwards to the alumina pellets, hot air passes through the air control on the crawler 112 and contacts with the alumina pellets, flowing hot air accelerates the evaporation of water stains on the alumina pellets, and finally hot air carrying the water stains enters the exhaust pipeline 2 under the action of the exhaust fan 14, and finally the hot air carrying the water stains is intensively processed by the exhaust pipeline 2.

As a technical optimization scheme of the present invention, as shown in fig. 1, the connecting member 3 includes a first fixing plate and a second fixing plate, the first fixing plate is horizontally connected between the two drying boxes 11, the left and right ends of the first fixing plate are respectively fixedly connected to the side walls of the two drying boxes 11 through bolts, the second fixing plate is vertically arranged between the two conveying frames 12, and the left and right ends of the second fixing plate are respectively fixedly connected to the side walls of the two conveying frames 12 through bolts.

Through adopting above-mentioned technical scheme to can utilize first fixed plate to connect two drying mechanism 1's drying cabinet 11 fixedly, utilize the second fixed plate to connect two drying mechanism 1's carriage 12 fixedly, make and to connect fixedly between two drying mechanism 1 stable, guarantee that track 112 can pass each drying mechanism 1.

As a technical optimization scheme of the utility model, as shown in fig. 3, a plurality of clamping seats 113 are arranged on the upper edge of the track 112 along the width direction, the plurality of clamping seats 113 are equidistantly arranged, and clamping grooves are formed in the upper end surfaces of the clamping seats 113 and vertically clamped with the fixed baffle 114.

By adopting the technical scheme, the alumina balls accumulated on the crawler belt 112 can be enclosed by the two adjacent baffle plates 114, so that the alumina balls are prevented from rolling off the crawler belt 112 in the moving process of the crawler belt 112.

As a technical optimization scheme of the utility model, support legs 111 are arranged at four corners of the bottom of the base 13, and a foot pad in a circular structure is arranged at the bottom of each support leg 111.

Through adopting above-mentioned technical scheme to can utilize stabilizer blade 111 to support unable adjustment base 13, lift certain height with base 13, guarantee base 13's stability.

As a technical optimization scheme of the present invention, as shown in fig. 2 and 4, the wind-blocking curtain 17 includes a fixing frame 115 and a plurality of expansion plates 116 with different specifications, the fixing frame 115 is installed on the top of the drying box 11, the expansion plate 116 at the topmost part is connected to the fixing frame 115 through a bolt, the width of the expansion plate 116 is gradually reduced from top to bottom, the width of the expansion cavity is also gradually reduced from top to bottom, and the expansion plate 116 is connected to another expansion plate 116 with a specification matched with the expansion cavity through an expansion cavity in a sliding manner.

Through adopting above-mentioned technical scheme to can utilize wind-break curtain 17 to shelter from both ends about drying cabinet 11, ensure that drying cabinet 11 is inside can form an independent drying chamber, guarantee that the hot-air homoenergetic in every drying mechanism 1 can be by quick effectual discharge, prevent to carry the hot-air gathering of liquid in drying cabinet 11, influence dry efficiency.

As a technical optimization scheme of the present invention, as shown in fig. 2 and 4, a latch 117 in an "L" shape is horizontally disposed on the topmost expansion plate 116, a hook 118 is rotatably connected to the bottommost expansion plate 116, and the hook 118 corresponds to the latch 117 in position and is adapted to the specification.

Through adopting above-mentioned technical scheme to can utilize and utilize couple 118 block card to tie 117 to shrink windshield 17, make both ends can keep uncovered in the installation about drying cabinet 11, and easy to assemble track 112 also makes things convenient for the inside of drying cabinet 11 to be maintained and overhauld.

The above detailed description merely describes preferred embodiments of the present invention and does not limit the scope of the utility model. Without departing from the spirit and scope of the present invention, it should be understood that various changes, substitutions and alterations can be made herein by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents. The scope of the utility model is defined by the claims.

Claims (6)

1. The drying device for recycling the small aluminum oxide balls is characterized by comprising a plurality of drying mechanisms and exhaust pipelines, wherein the drying mechanisms are sequentially connected into a drying production line through connecting pieces, the exhaust pipelines are arranged above the drying production line and are communicated with exhaust outlets of the drying mechanisms to be used for collecting hot air in the drying process in a centralized manner;

drying mechanism includes drying cabinet, carriage and base, the top of drying cabinet sets up the air exhauster, the air-supply line of air exhauster stretches into the inside of drying cabinet, the play tuber pipe connection exhaust pipe of air exhauster, the air blocking curtain that the inside left and right sides of drying cabinet set up through the symmetry constitutes solitary drying chamber, the carriage sets up the bottom at the drying cabinet, rotate through the bearing on the carriage and connect a plurality of transmission shafts, each the track is established to the last cover of transmission shaft of drying mechanism, and the transmission shaft passes through servo motor drive track transportation aluminium oxide bobble through each drying chamber, still run through on the track and set up a plurality of wind holes that are used for ventilating, the base sets up the bottom at the carriage, through a plurality of fixed air heaters of mount pad in the base, the air intake setting of air heater is on the base lateral wall, The air outlet vertically extends upwards to the lower part of the crawler belt.

2. The drying device for recycling the small aluminum oxide balls as claimed in claim 1, wherein the connecting member comprises a first fixing plate and a second fixing plate, the first fixing plate is horizontally connected between the two drying boxes, the left end and the right end of the first fixing plate are respectively fixedly connected with the side walls of the two drying boxes through bolts, the second fixing plate is vertically arranged between the two conveying frames, and the left end and the right end of the second fixing plate are respectively fixedly connected with the side walls of the two conveying frames through bolts.

3. The drying device for recycling the small aluminum oxide balls as claimed in claim 1, wherein a plurality of clamping seats are arranged on the track along the width direction, the plurality of clamping seats are equidistantly arranged, clamping grooves are formed in the upper end faces of the clamping seats, and the clamping grooves vertically clamp the fixed baffle.

4. The drying device for recycling the small alumina balls as claimed in claim 1, wherein support legs are arranged at four corners of the bottom of the base, and foot pads with a circular structure are arranged at the bottoms of the support legs.

5. The drying device for recycling the small aluminum oxide balls as claimed in claim 1, wherein the wind-shielding curtain comprises a fixing frame and a plurality of expansion plates with different specifications, the fixing frame is installed at the top of the drying box, the top expansion plate is connected with the fixing frame through a bolt, the width of each expansion plate is gradually reduced from top to bottom, the width of a telescopic cavity of each expansion plate is also gradually reduced from top to bottom, and each expansion plate is connected with another expansion plate with the corresponding specification of the telescopic cavity in a sliding mode through the corresponding telescopic cavity.

6. The drying device for recycling the small aluminum oxide balls as claimed in claim 5, wherein a bolt in an L-shaped structure is horizontally arranged on the top expansion plate, a hook is rotatably connected to the bottom expansion plate, and the hook corresponds to the bolt in position and is adaptive to the specification.

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