Multi-stage preheating device for spodumene roasting material

Abstract

The utility model discloses a spodumene roasting material multistage preheating device which comprises a preheating box body, a swirler is installed at the upper end of the preheating box body, a hot air pipe connected with the preheating box body is arranged at the right end of the swirler, and a filter screen is arranged in the middle of the preheating box body. A hot air hole located in the inner side of the preheating box body is formed in the outer side of the filter screen, and a waste gas pipeline connected with the preheating box body is arranged at the left end of the swirler; and the rear back plate is arranged at the rear end of the preheating box body, an adjusting bolt is arranged at the connecting position of the rear back plate and the preheating box body, a bearing frame is arranged at the front end of a connecting block, and fixing supports are installed on the left side and the right side of the upper end of the preheating box body correspondingly. According to the multi-stage preheating device for the spodumene roasting material, multi-stage layered preheating of the spodumene roasting material is facilitated, the problem that the temperature does not reach the standard is avoided, stable connection and installation can be conducted according to needs, and the practical effect of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to spodumene relevant technical field, concretely is a kind of spodumene calcine material multistage preheating device. BACKGROUND

[0002] Spodumene material is mixed with acid liquor and calcined to form calcine, which is an important link in the process of extracting lithium. Before spodumene material is introduced into a rotary kiln for acid mixing and calcination, it is usually preheated to have a certain initial temperature, thereby reducing the energy consumption of the rotary kiln calcination. Therefore, a preheating device is needed, such as:

[0003] Chinese patent authorization announcement No. CN220187438U discloses a kind of spodumene calcine material preheating device, including preheating furnace body and cyclone, the top of preheating furnace body is provided with inlet and exhaust port, the bottom of preheating furnace body is provided with air inlet and discharge port, inlet is connected with material scattering device, air inlet is connected with rotary kiln tail gas cylinder, exhaust port is connected with the inlet of cyclone;The inside of preheating furnace body is provided with inner wind cylinder, the outer side wall of inner wind cylinder and the inner side wall of preheating furnace body are provided with spiral slide bed along spiral direction, the top end of spiral slide bed is connected with inlet, and the bottom end of spiral slide bed is connected with discharge port and air inlet respectively;The inside of inner wind cylinder is provided with air duct, the bottom end of air duct is connected with the gas outlet of cyclone, the top end of air duct is connected with the inlet of cyclone, and the solid outlet of cyclone is connected with slide surface.

[0004] The prior art in the above has the following defects: it is inconvenient to preheat spodumene calcine material in multiple stages and layers, which can cause temperature not to meet the standard, it is inconvenient to stably connect and install according to needs, and the practical effect is not good, therefore we propose a kind of spodumene calcine material multistage preheating device to solve the problems raised in the above. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of spodumene calcine material multistage preheating device to solve the problems raised in the above background art, such as inconvenient preheating of spodumene calcine material in multiple stages and layers, which can cause temperature not to meet the standard, inconvenient stable connection and installation according to needs, and poor practical effect.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of spodumene calcine material multistage preheating device, including preheating box body, the upper end of preheating box body is installed with cyclone, and the right end of cyclone is provided with hot air pipe connected with preheating box body, the middle part of preheating box body is provided with filter screen, and hot air hole in preheating box body is formed in the outer side of filter screen, the left end of cyclone is provided with waste gas pipe connected with preheating box body;

[0007] The rear backboard is provided with an adjusting bolt at the joint with the preheating box body, and the front end of the rear backboard is provided with a connecting block, the front end of the connecting block is provided with a bearing frame, the left and right sides of the front end of the bearing frame are provided with mounting blocks, the inner side of the mounting block is provided with a pull rope, the upper end of the preheating box body is provided with a fixed support on the left and right sides, the outer side of the fixed support is provided with a driving motor, and the inner end of the driving motor is provided with a winding shaft roller connected with the pull rope.

[0008] As a preferred technical scheme of the utility model, the preheating box body is fixedly provided with a fixed supporting leg with a stable supporting function at the lower end, and the fixed supporting leg is evenly arranged at the four corners of the lower end of the preheating box body.

[0009] As a preferred technical scheme of the utility model, the filter screen constitutes a clamping type sliding structure in the preheating box body, and the preheating box body constitutes a communication structure between the hot air pipe and the cyclone.

[0010] As a preferred technical scheme of the utility model, the rear backboard and the preheating box body are connected in a threaded mode between the adjusting bolt, the rear end of the adjusting bolt is provided with a rubber ring, and the adjusting bolt and the rubber ring are connected in a sleeving mode.

[0011] As a preferred technical scheme of the utility model, the front end edge of the rear backboard is provided with a first rubber sealing piece, the rear backboard and the first rubber sealing piece are connected in an adhesive mode, and the rear backboard and the preheating box body are connected in a clamping mode through the first rubber sealing piece.

[0012] As a preferred technical scheme of the utility model, the bearing frame constitutes a rotating structure on the connecting block, the inner wall of the bearing frame is arranged in a close mode with the outer surface of the preheating box body, and the cross section of the bearing frame is in a concave shape.

[0013] As a preferred technical scheme of the utility model, the bearing frame and the mounting block are fixedly connected, and the mounting block and the winding shaft roller are connected with the pull rope in a winding mode.

[0014] As a preferred technical scheme of the utility model, the front end of the preheating box body is provided with a sealing door plate, the rear end of the sealing door plate is provided with a second rubber sealing piece connected in an adhesive mode, the sealing door plate and the preheating box body are connected in a clamping mode through the second rubber sealing piece, and the sealing door plate constitutes a rotating structure at the front end of the preheating box body.

[0015] Compared with the prior art, the lithium feldspar roasting material multistage preheating device is beneficial to multistage layered preheating of lithium feldspar roasting material, avoids the problem of substandard temperature, can be stably connected and installed as required, and improves the practical effect of the device.

[0016] 1. The hot air holes are equidistantly arranged in the middle of the preheating box, can uniformly emit heat, and the bearing frame is arranged in three equal parts on the inner side of the preheating box, so that the lithium feldspar roasting material can be preheated in multiple layers, and the problem of substandard temperature can be avoided.

[0017] 2. The bearing frame is connected to the connecting block to form a rotating structure, and the mounting blocks and winding shaft rollers fixedly connected to the left and right sides of the front end of the bearing frame are connected to the pull rope in a winding manner. When the driving motor mounted on the upper end of the fixed support is rotated to wind the winding shaft roller, the pull rope can be wound and loosened, so that the bearing frame is inclined and rotated, and the lithium feldspar roasting material can be discharged.

[0018] 3. The adjusting bolt and the rubber ring are connected in a sleeved manner. After the rear backplate is abutted and clamped to the preheating box through the first rubber sealing element connected by adhesion, the adjusting bolt is screwed between the rear backplate and the preheating box, so that the rear backplate and the preheating box are tightly connected and installed.

[0019] 4. The inner wall of the bearing frame is arranged in abutment with the inner surface of the preheating box, and the cross section of the bearing frame is in the shape of a "concave" character. After the rear backplate is disassembled, the bearing frame can be disassembled and taken out. The filter screen forms a clamping sliding structure in the preheating box, which can not only filter gas but also be disassembled and replaced.

[0020] 5. The sealing door plate is connected to the preheating box in a clamping manner through the second rubber sealing element connected by adhesion, and the sealing door plate forms a rotating structure at the front end of the preheating box. After the upper sealing door plate is closed, the preheating box is in a relatively sealed state, and the lithium feldspar roasting material inside the bearing frame can be taken out and put in after the sealing door plate is opened, effectively improving the practical effect of the device. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a front view of the structure of the utility model;

[0022] Figure 2 It is a whole structure diagram of the bearing frame and the mounting block of the utility model;

[0023] Figure 3 It is a side view of the structure of the utility model;

[0024] Figure 4 It is the side view cross section structure schematic diagram of the preheating box body and the rear back plate connection of the utility model;

[0025] Figure 5 It is the top view cross section structure schematic diagram of the utility model;

[0026] Figure 6 It is the front view cross section structure schematic diagram of the pull rope and the winding shaft roller connection of the utility model.

[0027] In the drawing: 1, preheating box body; 2, fixed support leg; 3, cyclone; 4, hot air pipe; 5, filter screen; 6, hot air hole; 7, waste gas pipeline; 8, rear back plate; 9, adjusting bolt; 10, rubber ring; 11, first rubber sealing element; 12, connecting block; 13, bearing frame; 14, mounting block; 15, pull rope; 16, fixed support; 17, driving motor; 18, winding shaft roller; 19, sealing door plate; 20, second rubber sealing element. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0029] Please refer to Figures 1-6 , the utility model provides a technical scheme: a kind of lithium-fluorine stone calcination material multistage preheating device, including the upper end of preheating box body 1 is equipped with cyclone 3, and the right end of cyclone 3 is provided with the hot air pipe 4 connected with preheating box body 1, the middle part of preheating box body 1 is provided with filter screen 5, and hot air hole 6 in the inside of preheating box body 1 is formed in the outside of filter screen 5, the left end of cyclone 3 is provided with waste gas pipeline 7 connected with preheating box body 1;

[0030] rear back plate 8 is arranged at the rear end of preheating box body 1, adjusting bolt 9 is arranged at the connecting place of rear back plate 8 and preheating box body 1, the front end of rear back plate 8 is provided with connecting block 12, the front end of connecting block 12 is provided with bearing frame 13, and the front end of bearing frame 13 is provided with mounting block 14 on the left and right sides, and the inside of mounting block 14 is provided with pull rope 15, the upper end of preheating box body 1 is provided with fixed support 16 on the left and right sides, the outside of fixed support 16 is provided with driving motor 17, and the inside end of driving motor 17 is provided with winding shaft roller 18 connected with pull rope 15.

[0031] Specifically as Figure 1 , Figure 3 , Figure 4And Figure 5 In the preheating box 1, the lower end is fixedly provided with a fixed leg 2 with stable supporting function, and the fixed leg 2 is evenly arranged at the four corners of the lower end of the preheating box 1; the filter screen 5 constitutes a clamping sliding structure in the preheating box 1, and the preheating box 1 constitutes a communication structure between the hot air pipe 4 and the cyclone 3; the back plate 8 and the preheating box 1 are connected by threads with the adjusting bolt 9, the rear end of the adjusting bolt 9 is provided with a rubber ring 10, and the adjusting bolt 9 and the rubber ring 10 are connected by sleeving; the front end edge of the back plate 8 is provided with a first rubber sealing element 11, the back plate 8 and the first rubber sealing element 11 are connected by adhesion, and the back plate 8 and the preheating box 1 are connected by clamping through the first rubber sealing element 11.

[0032] Specifically as Figure 2 , Figure 3 , Figure 5 and Figure 6 In the bearing frame 13, the connecting block 12 constitutes a rotating structure, the inner wall of the bearing frame 13 is in close contact with the inner surface of the preheating box 1, and the cross-sectional shape of the bearing frame 13 is "concave" type; the bearing frame 13 is fixedly connected with the mounting block 14, and the mounting block 14 and the winding shaft roller 18 are connected with the pull rope 15 by winding; the front end of the preheating box 1 is provided with a sealing door plate 19, the rear end of the sealing door plate 19 is provided with a second rubber sealing element 20 connected by adhesion, and the sealing door plate 19 and the preheating box 1 are connected by clamping through the second rubber sealing element 20, and the sealing door plate 19 constitutes a rotating structure at the front end of the preheating box 1. Embodiment

[0033] In the embodiment, in order to facilitate multi-stage layered preheating of lithium albitum roasting material and avoid temperature not meeting the standard, the cyclone 3 is installed at the upper end of the preheating box 1, the hot air pipe 4 connected with the preheating box 1 is arranged at the right end of the cyclone 3, the filter screen 5 is arranged at the middle part of the preheating box 1, the hot air holes 6 in the preheating box 1 are arranged outside the filter screen 5, the waste gas pipeline 7 connected with the preheating box 1 is arranged at the left end of the cyclone 3; the back plate 8 is arranged at the rear end of the preheating box 1, the adjusting bolt 9 is arranged at the connecting part of the back plate 8 and the preheating box 1, the connecting block 12 is arranged at the front end of the back plate 8, the bearing frame 13 is arranged at the front end of the connecting block 12, the mounting blocks 14 are arranged at the left and right sides of the front end of the bearing frame 13, the pull rope 15 is arranged inside the mounting blocks 14, the bearing frame 13 is arranged on the connecting block 12 in a rotating structure, the inner wall of the bearing frame 13 is arranged in close contact with the outer surface of the preheating box 1, the cross-sectional shape of the bearing frame 13 is in the shape of a "concave" character, the bearing frame 13 is fixedly connected with the mounting blocks 14, the mounting blocks 14 and the winding shaft roller 18 are connected with the pull rope 15 in a winding manner, and the specific connection relationship is as follows Figure 1 Figure 6 The hot air holes 6 are equidistantly arranged inside the middle part of the preheating box 1, the heat can be uniformly emitted, the bearing frame 13 is arranged at three equal parts inside the preheating box 1, the lithium albitum roasting material can be multi-stage layered preheated, the temperature not meeting the standard can be avoided, the bearing frame 13 is arranged on the connecting block 12 in a rotating structure, the mounting blocks 14 and the winding shaft roller 18 fixedly connected with the left and right sides of the front end of the bearing frame 13 are connected with the pull rope 15 in a winding manner, when the driving motor 17 arranged at the upper end of the fixed support 16 rotates the winding shaft roller 18, the pull rope 15 can be wound and loosened, so that the bearing frame 13 is inclined to rotate, and the lithium albitum roasting material can be discharged. Embodiment

[0034] ​In this embodiment, to ensure stable connection and installation as needed and improve the practical effect of the device, a fixed support leg 2 with stable support function is fixedly installed at the lower end of the preheating chamber 1, and the fixed support leg 2 is evenly arranged at the four corners of the lower end of the preheating chamber 1; the filter screen 5 forms a snap-fit ​​sliding structure inside the preheating chamber 1, and the preheating chamber 1 is connected to the cyclone separator 3 through the hot air pipe 4; both the back plate 8 and the preheating chamber 1 are connected to the adjusting bolt 9 by threads, and a rubber ring 10 is provided on the outer rear end of the adjusting bolt 9, and the adjusting bolt 9 and the rubber ring 10 are sleeved together. The back panel 8 is connected in a series of manners; a first rubber seal 11 is provided at the front edge of the back panel 8, and the back panel 8 and the first rubber seal 11 are connected by adhesive bonding. The back panel 8 is also connected to the preheating chamber 1 by a snap-fit ​​mechanism via the first rubber seal 11. A sealing door panel 19 is provided at the front end of the preheating chamber 1, and a second rubber seal 20 is provided at the rear end of the sealing door panel 19. The sealing door panel 19 is also connected to the preheating chamber 1 by a snap-fit ​​mechanism via the second rubber seal 20. Furthermore, the sealing door panel 19 forms a rotating structure at the front end of the preheating chamber 1, specifically as follows... Figure 1 , Figure 3 , Figure 4 and Figure 5 In this design, the adjusting bolt 9 and the rubber ring 10 are connected by a sleeve. After the back panel 8 is engaged with the preheating chamber 1 via the first rubber seal 11, the adjusting bolt 9 can be threaded through the back panel 8 and the preheating chamber 1 to create a secure connection. Because the inner wall of the support frame 13 fits snugly against the inner and outer surfaces of the preheating chamber 1, and the cross-sectional shape of the support frame 13 is U-shaped, the support frame 13 can be disassembled and removed entirely after the back panel 8 is removed. The filter screen 5 forms a snap-fit ​​sliding structure inside the preheating chamber 1, which can not only filter the gas, but also be disassembled and replaced. The sealing door 19 is connected to the preheating chamber 1 by a snap-fit ​​method through the second rubber seal 20 bonded together. The sealing door 19 has a rotating structure at the front end of the preheating chamber 1, which can make the preheating chamber 1 relatively sealed after the sealing door 19 is closed. It also facilitates the removal and placement of the spodumene calcined material inside the support frame 13 after the sealing door 19 is opened, effectively improving the practical effect of the device.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-stage preheating device for lithium spodumene calcine, characterized in that, Include: Preheating box (1), the upper end of the preheating box (1) is provided with a cyclone (3), and the right end of the cyclone (3) is provided with a hot air pipe (4) connected with the preheating box (1), the middle part of the preheating box (1) is provided with a filter screen (5), and the outer side of the filter screen (5) is provided with a hot air hole (6) located in the inner side of the preheating box (1), the left end of the cyclone (3) is provided with a waste gas pipeline (7) connected with the preheating box (1); The back plate (8) is arranged at the rear end of the preheating box (1), the connecting part of the back plate (8) and the preheating box (1) is provided with an adjusting bolt (9), and the front end of the back plate (8) is provided with a connecting block (12), the front end of the connecting block (12) is provided with a bearing frame (13), the left and right sides of the front end of the bearing frame (13) are provided with mounting blocks (14), the inner side of the mounting block (14) is provided with a pull rope (15), the upper end of the preheating box (1) is provided with a fixed support (16), the outer side of the fixed support (16) is provided with a driving motor (17), and the inner end of the driving motor (17) is provided with a winding shaft roller (18) connected with the pull rope (15).

2. The multi-stage preheating device for lithium-aluminum ore according to claim 1, characterized in that: The lower end of the preheating box (1) is fixedly provided with a fixed leg (2) with stable supporting function, and the fixed leg (2) is evenly arranged at the lower end of the preheating box (1) at four corners.

3. The multi-stage preheating device for lithium-aluminum ore according to claim 1, characterized in that: The filter screen (5) constitutes a clamping type sliding structure in the preheating box (1), and the preheating box (1) constitutes a communication structure between the hot air pipe (4) and the cyclone (3).

4. The multi-stage preheating device for lithium spodumene calcine according to claim 1, characterized in that: The back plate (8) and the preheating box (1) are connected between the adjusting bolt (9) in a threaded manner, the outer side of the rear end of the adjusting bolt (9) is provided with a rubber ring (10), and the adjusting bolt (9) and the rubber ring (10) are connected in a sleeved manner.

5. A multi-stage preheating device for lithium spodumene calcine according to claim 4, characterized in that: The front end edge of the back plate (8) is provided with a first rubber sealing element (11), the back plate (8) and the first rubber sealing element (11) are connected in an adhesive manner, and the back plate (8) is connected with the preheating box (1) in a clamping manner through the first rubber sealing element (11).

6. The multi-stage preheating device for lithium spodumene calcine according to claim 1, characterized in that: The bearing frame (13) constitutes a rotating structure on the connecting block (12), the inner wall of the bearing frame (13) is arranged in close contact with the outer surface of the preheating box (1), and the cross section of the bearing frame (13) is in the shape of "concave".

7. A multi-stage preheating device for lithium spodumene calcine according to claim 6, characterized in that: The bearing frame (13) and the mounting block (14) are fixedly connected, and the mounting block (14) and the winding shaft roller (18) are connected with the pull rope (15) in a winding manner.

8. A multi-stage preheating device for lithium spodumene calcine according to claim 2, characterized in that: The front end of the preheating box (1) is provided with a sealing door plate (19), the rear end of the sealing door plate (19) is provided with a second rubber sealing element (20) connected in an adhesive manner, and the sealing door plate (19) is connected with the preheating box (1) in a clamping manner through the second rubber sealing element (20), and the sealing door plate (19) constitutes a rotating structure at the front end of the preheating box (1).

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