CN211926534U - Sintering furnace is used in production of modified lithium manganate - Google Patents

Abstract

The utility model discloses a modified lithium manganate production is with fritting furnace, including the workstation, install the jar body through the bolt on the workstation top outer wall, and the grafting has the inlet pipe on one side of jar body top outer wall, weld baffle and baffle that are ring structure and distribute on the inner wall of jar body bottom respectively, and leave the installation cavity between baffle and the baffle, there is heating coil installation through the screw in the installation cavity inside, leave the water cavity between baffle and the jar body inner wall, the grafting has the raceway that extends to the water cavity inside on one side of the jar body back outer wall bottom, the utility model discloses can accelerate the cooling of the jar body to be favorable to strengthening the production efficiency of lithium manganate; when using jar body to sinter the lithium manganate, atmospheric pressure sensor transmits the atmospheric pressure condition of jar internal portion for the controller can control the solenoid valve and open when jar internal portion atmospheric pressure is unusual, thereby carries out the pressure release to the jar body, guarantees that jar internal portion atmospheric pressure is in a numerical value, and then promotes the production quality of product.

Description

Sintering furnace is used in production of modified lithium manganate

Technical Field

The utility model relates to a lithium cell production technical field especially relates to a modified lithium manganate production is with fritting furnace.

Background

Lithium manganate is one of the key materials of lithium ion batteries, and at present, lithium manganate is lower in cost compared with lithium cobaltate, so that lithium manganate gradually replaces lithium cobaltate to become a pet of a new generation of lithium ion battery materials.

At present, the fritting furnace natural cooling time of current lithium manganate production use is comparatively long, is unfavorable for the production of lithium manganate, and the fritting furnace that has now simultaneously lacks the automatic regulating apparatus of atmospheric pressure, can not in time adjust the inside atmospheric pressure of furnace body, can influence the processingquality of lithium manganate product, consequently, need to design a fritting furnace for modified lithium manganate production to solve above-mentioned problem urgently.

Disclosure of Invention

The utility model aims at solving the shortcoming that the natural cooling time of the existing sintering furnace existing in the prior art is long and short of an air pressure control device, and providing a sintering furnace for producing modified lithium manganate.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a sintering furnace for producing modified lithium manganate comprises a workbench, wherein a tank body is installed on the outer wall of the top of the workbench through bolts, an inlet pipe is inserted into one side of the outer wall of the top of the tank body, baffles and partition plates which are distributed in an annular structure are welded on the inner wall of the bottom of the tank body respectively, an installation cavity is reserved between the partition plates, a heating coil is installed inside the installation cavity through screws, a water cavity is reserved between the baffles and the inner wall of the tank body, a water delivery pipe extending into the water cavity is inserted into the bottom of the outer wall on one side of the back of the tank body, a water tank is installed on one side of the outer wall on the top of the workbench through bolts, a water pump is installed on one side of the outer wall on the top of the workbench through bolts and is communicated with the water tank through a pipeline, one end of the water delivery pipe, which is far away from the, and a control valve is arranged on the outer wall of the front surface of the discharge pipe through a bolt.

The key concept of the technical scheme is as follows: after the lithium manganate is sintered, a worker starts the water pump to convey water in the water tank into the water cavity, so that the cooling of the tank body is accelerated, and the production efficiency of the lithium manganate is improved; when using jar body to sinter the lithium manganate, atmospheric pressure sensor transmits the atmospheric pressure condition of jar internal portion for the controller can control the solenoid valve and open when jar internal portion atmospheric pressure is unusual, thereby carries out the pressure release to the jar body, guarantees that jar internal portion atmospheric pressure is in a numerical value, and then promotes the production quality of product.

Further, the center of the outer wall of the top of the tank body is connected with an air outlet pipe in an inserting mode, the top end of the air outlet pipe is connected with an electromagnetic valve in a threaded mode, and the top end of the electromagnetic valve is connected with a gas conveying pipe in a threaded mode.

Further, the purifying box is installed through the bolt in workstation top outer wall one side, and pegs graft on the purifying box top outer wall and have the inlet, it has the blast pipe to peg graft at purifying box one side outer wall top, it has the dirt pipe to peg graft in purifying box back outer wall one side bottom.

Further, an air pump is installed on one side of the outer wall of the top of the workbench through a bolt, an air pipe extending to the inside of the partition plate is inserted into an air outlet of the air pump, and a filter screen is installed at one end, far away from the air pump, of the air pipe through a bolt.

Further, the atmospheric pressure sensor that runs through to the inside baffle is installed through the bolt to jar body one side outer wall bottom, jar body openly outer wall top installs the manometer through the bolt.

Further, driving motor is installed through the bolt in workstation bottom outer wall one side, and driving motor's output passes through the shaft coupling and installs the pivot that is located the inside baffle, the welding has the stirring rake that is equidistant structure and distributes on the pivot side outer wall.

Further, a controller is installed on one side of the outer wall of the top of the workbench through a bolt, and the controller is electrically connected with the air pressure sensor, the water pump, the air pump, the heating coil and the electromagnetic valve through wires.

The utility model has the advantages that:

1. through the water tank that sets up, can the lithium manganate sintering accomplish the back, start the water pump for water in the water tank passes through the raceway and flows into in the water cavity, thereby accelerate the cooling of the jar body, be favorable to strengthening the production efficiency of lithium manganate.

2. Through the baroceptor that sets up, when using the jar body to sinter the lithium manganate, transmit the atmospheric pressure condition of jar internal portion for the controller through the baroceptor for the controller control solenoid valve is opened, carries out the pressure release to the jar body, thereby guarantees jar internal portion atmospheric pressure in a numerical value, guarantees the safety of air pressure system, and then promotes the production quality of product.

3. Through the purifying box that sets up, when the sintering, the gas of jar internal portion gets into the purifying box through the gas-supply pipe, and the inside water of purifying box can absorb and carry impurity in the gas this moment, reduces gaseous temperature simultaneously for gas can discharge safely in the air.

4. Through the stirring rake that sets up, when using the jar body to sinter the lithium manganate, driving motor drives the pivot and rotates to make the stirring rake stir the lithium manganate powder, make the more even of the material mixture in the lithium manganate powder, make the sintering degree that the powder received more even.

Drawings

FIG. 1 is a front view of a sintering furnace for producing modified lithium manganate, according to the present invention;

FIG. 2 is a schematic diagram of the back structure of a sintering furnace for producing modified lithium manganate, according to the present invention;

FIG. 3 is a sectional view of a tank structure of a sintering furnace for producing modified lithium manganate;

FIG. 4 is a sectional view of the structure of a purification box of a sintering furnace for producing modified lithium manganate, which is provided by the utility model;

fig. 5 is the utility model provides a modified lithium manganate production is with flow structure schematic diagram of fritting furnace.

In the figure: 1 workbench, 2 tank bodies, 3 air outlet pipes, 4 electromagnetic valves, 5 air conveying pipes, 6 feeding pipes, 7 purifying boxes, 8 air outlet pipes, 9 controllers, 10 air pressure sensors, 11 air pumps, 12 water tanks, 13 dirt guide pipes, 14 water pumps, 15 liquid inlet pipes, 16 water inlet pipes, 17 driving motors, 18 rotating shafts, 19 stirring paddles, 20 baffles, 21 partition plates, 22 heating coils, 23 installation cavities, 24 water cavities, 25 water conveying pipes, 26 air pipes and 27 discharging pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, a sintering furnace for producing modified lithium manganate comprises a workbench 1, a tank body 2 is mounted on the outer wall of the top of the workbench 1 through bolts, a feeding pipe 6 is inserted into one side of the outer wall of the top of the tank body 2 for feeding lithium manganate powder into the tank body 2, a baffle plate 20 and a partition plate 21 which are distributed in an annular structure are welded on the inner wall of the bottom of the tank body 2 respectively, a mounting cavity 23 is reserved between the baffle plate 21 and the baffle plate 20, a heating coil 22 is mounted inside the mounting cavity 23 through bolts for heating the lithium manganate powder in the tank body 2, a water cavity 24 is reserved between the baffle plate 20 and the inner wall of the tank body 2 for temporarily storing water flow, so that the tank body 2 is rapidly cooled, a water pipe 25 which extends into the water cavity 24 is inserted into the bottom of the outer wall on one side of the back of the tank body 2 for conveying water flow under the action of a water pump 14, so that, used for storing the clear water, and water tank 12 top outer wall one side is pegged graft there is inlet tube 16, be arranged in to water tank 12 adding water, 1 top outer wall one side of workstation installs water pump 14 through the bolt, the preferred NMDP21 of water pump 14 model, be arranged in to adding water in the water cavity 24, make jar body 2 cool off fast, and water pump 14 is linked together through pipeline and water tank 12, the one end that jar body 2 was kept away from to raceway 25 is pegged graft on water pump 14 delivery port, it has the discharging pipe 27 that extends to the inside of baffle 21 to peg graft in jar body 2 front outer wall one side bottom, discharging pipe 2 can be connected each other with negative pressure air fan, make under negative pressure fan and stirring rake 19 effect, lithium manganate powder flows out jar body 2, and install the control valve through the bolt on the positive outer wall of discharging pipe 27, the staff twists the control valve after.

As can be seen from the above description, the present invention has the following advantages: after the lithium manganate is sintered, a worker starts the water pump 14 to convey water in the water tank 12 into the water cavity 24, so that the cooling of the tank body 2 is accelerated, and the production efficiency of the lithium manganate is improved; when using jar body 2 to carry out the sintering to the lithium manganate, baroceptor 10 transmits the atmospheric pressure condition of jar internal 2 for controller 9 can control solenoid valve 4 and open when jar internal 2 inside atmospheric pressure is unusual, thereby carries out the pressure release to jar body 2, guarantees jar internal 2 atmospheric pressure of body in a numerical value, and then promotes the production quality of product.

Further, 2 top outer wall centers of the jar body are pegged graft and are had outlet duct 3, and 3 top threaded connection of outlet duct has solenoid valve 4, and 4 models of solenoid valve are preferred for open and close under the control of controller 9, thereby carry out the pressure release to jar body 2, and 4 top threaded connection of solenoid valve have gas-supply pipe 5 for carry the gas that the sintering produced to in the purifying box 7.

Further, purifying box 7 is installed through the bolt in 1 top outer wall one side of workstation, a gas for producing when collecting the sintering, cool down gas simultaneously, and it has inlet 15 to peg graft on the outer wall of purifying box 7 top, a rivers and liquid medicine are added to the purifying box 7, be convenient for handle impurity in the gas, it has blast pipe 8 to peg graft at 7 one side outer wall tops of purifying box, a gas for discharging after-purifying in the purifying box 7, 7 back outer wall one side bottoms of purifying box are pegged graft and are had lead dirty pipe 13, an impurity for discharging in the purifying box 7.

Further, air pump 11 is installed through the bolt in 1 top outer wall one side of workstation, the preferred AS26 of 11 models of air pump for with jar body 2 inside vacuum state of taking out, so that sinter the lithium manganate powder, and peg graft on the gas outlet of air pump 11 and have the trachea 26 that extends to the inside of baffle 21, be used for air pump 11 to extract jar body 2 inside air, the filter screen is installed through the bolt to the one end that trachea 26 keeps away from air pump 11, be used for preventing that air pump 11 is when the extraction air, the lithium manganate powder is taken out.

Further, the atmospheric pressure sensor 10 that runs through to the inside of baffle 21 is installed through the bolt in jar body 2 one side outer wall bottom, and the preferred FST800-W2000 of atmospheric pressure sensor 10 model for the internal pressure condition of transmission jar body 2, so that controller 9 control solenoid valve 4 carries out the pressure release to jar body 2, and the manometer is installed through the bolt in jar body 2 front outer wall top, is used for showing 2 internal pressure numerical values of jar body, so that the staff adjusts 2 internal atmospheric pressure of jar body.

Further, a driving motor 17 is installed on one side of the outer wall of the bottom of the workbench 1 through a bolt, the type of the driving motor 17 is preferably Y100L1-4 and is used for providing power for the movement of the rotating shaft 18, the rotating shaft 18 located inside the partition plate 21 is installed at the output end of the driving motor 17 through a coupler and is used for transmitting movement, the lithium manganate powder in the tank body 2 is stirred by the stirring paddles 19, the lithium manganate powder is heated uniformly, and the stirring paddles 19 which are distributed in an equidistant structure are welded on the outer wall of the side face of the rotating shaft 18.

Further, a controller 9 is installed on one side of the outer wall of the top of the workbench 1 through a bolt, the type of the controller 9 is preferably 12LJKZWQ, the controller is used for receiving a signal of the air pressure sensor 10 to control the opening and closing of the electromagnetic valve 4, so that the pressure of the tank body 2 is relieved, meanwhile, the controller 9 can control the operation of the sintering furnace equipment under a program set by a worker, and the controller 9 is electrically connected with the air pressure sensor 10, the water pump 14, the air pump 11, the heating coil 22 and the electromagnetic valve 4 through wires.

By adopting the purification box 7, gas generated in the sintering process in the tank body 2 can be collected, impurities carried in the gas can be absorbed, and meanwhile, the temperature of the gas is reduced, so that the gas can be safely discharged into the air; when sintering the lithium manganate, can open driving motor 17 for 19 stirring lithium manganate powder of stirring rake, the sintering degree that makes the powder receive is more even.

In the following, some preferred embodiments or application examples are listed to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention to the prior art:

example 1

A sintering furnace for producing modified lithium manganate comprises a workbench 1, a tank body 2 is mounted on the outer wall of the top of the workbench 1 through bolts, a feeding pipe 6 is inserted into one side of the outer wall of the top of the tank body 2 and used for adding lithium manganate powder into the tank body 2, a baffle plate 20 and a baffle plate 21 which are distributed in an annular structure are welded on the inner wall of the bottom of the tank body 2 respectively, a mounting cavity 23 is reserved between the baffle plate 21 and the baffle plate 20, a heating coil 22 is mounted inside the mounting cavity 23 through bolts and used for heating the lithium manganate powder in the tank body 2, a water cavity 24 is reserved between the baffle plate 20 and the inner wall of the tank body 2 and used for temporarily storing water flow so as to rapidly cool the tank body 2, a water pipe 25 which extends into the water cavity 24 is inserted into the bottom of the outer wall of the back side of the tank body 2 and used for conveying water flow under the action of a, used for storing the clear water, and water tank 12 top outer wall one side is pegged graft there is inlet tube 16, be arranged in to water tank 12 adding water, 1 top outer wall one side of workstation installs water pump 14 through the bolt, the preferred NMDP21 of water pump 14 model, be arranged in to adding water in the water cavity 24, make jar body 2 cool off fast, and water pump 14 is linked together through pipeline and water tank 12, the one end that jar body 2 was kept away from to raceway 25 is pegged graft on water pump 14 delivery port, it has the discharging pipe 27 that extends to the inside of baffle 21 to peg graft in jar body 2 front outer wall one side bottom, discharging pipe 2 can be connected each other with negative pressure air fan, make under negative pressure fan and stirring rake 19 effect, lithium manganate powder flows out jar body 2, and install the control valve through the bolt on the positive outer wall of discharging pipe 27, the staff twists the control valve after.

The gas outlet pipe 3 is inserted in the center of the outer wall of the top of the tank body 2, the top end of the gas outlet pipe 3 is in threaded connection with the electromagnetic valve 4, the type of the electromagnetic valve 4 is preferably selected and used for being opened and closed under the control of the controller 9 so as to relieve the pressure of the tank body 2, and the top end of the electromagnetic valve 4 is in threaded connection with the gas conveying pipe 5 and used for conveying gas generated by sintering to the purification box 7; a purifying box 7 is mounted on one side of the outer wall of the top of the workbench 1 through a bolt and used for collecting gas generated during sintering and cooling the gas, a liquid inlet 15 is inserted into the outer wall of the top of the purifying box 7 and used for adding water flow and liquid medicine into the purifying box 7 so as to facilitate treatment of impurities in the gas, an exhaust pipe 8 is inserted into the top of the outer wall of one side of the purifying box 7 and used for exhausting the purified gas in the purifying box 7, and a dirt guide pipe 13 is inserted into the bottom of one side of the outer wall of the back of the purifying box 7 and used for exhausting the impurities in the purifying box 7; an air pump 11 is mounted on one side of the outer wall of the top of the workbench 1 through a bolt, the type of the air pump 11 is preferably AS26 and is used for vacuumizing the interior of the tank body 2 so AS to sinter the lithium manganate powder, an air pipe 26 extending into the partition plate 21 is inserted into an air outlet of the air pump 11 and is used for pumping air in the tank body 2 through the air pump 11, and a filter screen is mounted at one end, far away from the air pump 11, of the air pipe 26 through a bolt and is used for preventing the lithium manganate powder from being pumped out when the air pump 11 pumps air; the bottom of the outer wall of one side of the tank body 2 is provided with an air pressure sensor 10 penetrating into the partition plate 21 through a bolt, the type of the air pressure sensor 10 is preferably FST800-W2000 and is used for transmitting the internal pressure condition of the tank body 2 so as to facilitate the controller 9 to control the electromagnetic valve 4 to release the pressure of the tank body 2, and the top of the outer wall of the front side of the tank body 2 is provided with a pressure gauge through a bolt and is used for displaying the internal pressure value of the tank body 2 so as to facilitate a worker to; a driving motor 17 is installed on one side of the outer wall of the bottom of the workbench 1 through a bolt, the type of the driving motor 17 is preferably Y100L1-4 and is used for providing power for the movement of a rotating shaft 18, the rotating shaft 18 located in a partition plate 21 is installed at the output end of the driving motor 17 through a coupler and is used for transmitting movement, so that the lithium manganate powder in the tank body 2 is stirred by a stirring paddle 19, the lithium manganate powder is uniformly heated, and the stirring paddles 19 distributed in an equidistant structure are welded on the outer wall of the side face of the rotating shaft 18; the controller 9 is installed on one side of the outer wall of the top of the workbench 1 through bolts, the type of the controller 9 is preferably 12LJKZWQ, the controller is used for receiving signals of the air pressure sensor 10 to control the electromagnetic valve 4 to be opened and closed, so that the tank body 2 is decompressed, meanwhile, the controller 9 can control the sintering furnace equipment to operate under a program set by a worker, and the controller 9 is electrically connected with the air pressure sensor 10, the water pump 14, the air pump 11, the heating coil 22 and the electromagnetic valve 4 through leads.

The working principle is as follows: when the lithium manganate sintering device is used, a worker firstly pours lithium manganate powder into the tank body 2 through the feeding pipe 6, then the worker starts the air pump 11 to enable air inside the tank body 2 to run out of the tank body 2 through the air pipe 26, so that the tank body 2 is in a vacuum state, then the worker starts the heating coil 22 and the driving motor 17, at the moment, the heating coil 22 starts sintering the lithium manganate powder, meanwhile, the driving motor 17 drives the rotating shaft 18 to rotate, so that the rotating shaft 18 drives the stirring paddle 19 to stir the lithium manganate powder, so that the lithium manganate powder is heated more uniformly, then when the lithium manganate starts sintering, the air pressure inside the tank body 2 is increased, at the moment, the air pressure sensor 10 transmits sensed information to the controller 9, so that the controller 9 controls the electromagnetic valve 4 to be opened, so that air inside the sintering furnace flows into the purification box 7 through the air outlet pipe 3 and the air conveying, the temperature of the gas is reduced through water, the cooled gas is discharged out of the purification box 7 through the exhaust pipe 8, then after the internal air pressure of the tank body 2 reaches a specified range, the controller 9 controls the electromagnetic valve 4 to be closed, then the steps are repeated to release the pressure of the tank body 2 until the lithium manganate powder is sintered, at this time, through a program set by the controller 9, the controller 9 controls the heating coil 22 to stop heating, and simultaneously controls the water pump 14 to convey cold water in the water tank 12 into the water cavity 24, so that the cooling of the tank body 2 is accelerated, then after the cooling is finished, the controller 9 controls the water pump 24 to re-pump the water in the water cavity 24 back into the water tank 12, then a worker twists the control valve on the discharge pipe 27 and simultaneously starts the driving motor 17, so that the stirring paddle 19 starts to rotate, and the powder in the tank body 2 can flow out of the tank body.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a fritting furnace is used in production of modified lithium manganate, includes workstation (1), its characterized in that, install jar body (2) through the bolt on workstation (1) top outer wall, and jar body (2) top outer wall one side is pegged graft and is had inlet pipe (6), it has baffle (20) and baffle (21) that are the annular structure and distribute to weld respectively on jar body (2) bottom inner wall, and leaves installation cavity (23) between baffle (21) and baffle (20), installation cavity (23) inside has heating coil (22) through the mounting screw, leave water cavity (24) between baffle (20) and jar body (2) inner wall, jar body (2) back one side outer wall bottom is pegged graft and is had raceway (25) that extend to water cavity (24) inside, workstation (1) top outer wall one side is installed water tank (12) through the bolt, and water tank (12) top outer wall one side is pegged graft and is had inlet tube (16), the utility model discloses a water pump, including workstation (1), basin body (2), workstation (1) top outer wall one side is installed water pump (14) through the bolt, and water pump (14) are linked together through pipeline and water tank (12), the one end that the jar body (2) was kept away from in raceway (25) is pegged graft on water pump (14) delivery port, it has discharging pipe (27) that extend to inside baffle (21) to peg graft in jar body (2) front outer wall one side bottom, and installs the control valve through the bolt on discharging pipe (.

2. The sintering furnace for producing modified lithium manganate according to claim 1, wherein an air outlet pipe (3) is inserted into the center of the outer wall of the top of the tank body (2), the top end of the air outlet pipe (3) is connected with a solenoid valve (4) in a threaded manner, and the top end of the solenoid valve (4) is connected with a gas pipe (5) in a threaded manner.

3. The sintering furnace for producing modified lithium manganate as defined in claim 1, wherein a purification box (7) is installed on one side of the outer wall of the top of said working table (1) by bolts, a liquid inlet (15) is inserted into the outer wall of the top of said purification box (7), an exhaust pipe (8) is inserted into the top of the outer wall of one side of said purification box (7), and a dirt guide pipe (13) is inserted into the bottom of the outer wall of the back of said purification box (7).

4. The sintering furnace for producing modified lithium manganate as defined in claim 1, wherein an air pump (11) is installed on one side of the outer wall of the top of the working table (1) through bolts, an air pipe (26) extending into the partition (21) is inserted into the air outlet of the air pump (11), and a filter screen is installed on one end of the air pipe (26) far away from the air pump (11) through bolts.

5. The sintering furnace for producing modified lithium manganate as defined in claim 1, wherein the bottom of the outer wall of one side of said tank (2) is mounted with a gas pressure sensor (10) through the partition (21), and the top of the outer wall of the front side of said tank (2) is mounted with a pressure gauge through bolts.

6. The sintering furnace for producing modified lithium manganate as defined in claim 1, wherein a driving motor (17) is installed on one side of the outer wall of the bottom of the working table (1) through bolts, a rotating shaft (18) located inside the partition board (21) is installed at the output end of the driving motor (17) through a shaft coupling, and stirring paddles (19) distributed in an equidistant structure are welded on the outer wall of the side surface of the rotating shaft (18).

7. The sintering furnace for producing modified lithium manganate according to claim 1, wherein a controller (9) is installed on one side of the outer wall of the top of the working table (1) through bolts, and the controller (9) is electrically connected with the air pressure sensor (10), the water pump (14), the air pump (11), the heating coil (22) and the electromagnetic valve (4) through wires.

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