CN113136494A

CN113136494A - Automatic control system and metal lithium distillation automatic control equipment

Info

Publication number: CN113136494A
Application number: CN202110444941.4A
Authority: CN
Inventors: 张雪梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-24
Filing date: 2021-04-24
Publication date: 2021-07-20

Abstract

The invention discloses an automatic control system and automatic metal lithium distillation control equipment, which comprise a distillation retort, wherein a barrel is arranged in the distillation retort, the barrel is in an open design, four groups of reaction tanks are equidistantly arranged on the inner wall of the barrel, a stirring barrel is arranged in the barrel, a feed inlet is arranged at the top of the stirring barrel, a driving motor is arranged at the top of the stirring barrel, a first ferrule and a second ferrule are sleeved on the surface of the distillation retort, two groups of support rods are welded at the top of the first ferrule, a gas collecting bottle is arranged in a base, and lime water solution is contained in the gas collecting bottle. According to the invention, the gas collecting bottle is arranged, and the sound shell detector on the surface of the gas collecting bottle is used for judging whether bubbles in the bottle body are still broken to generate sound, so that whether the reaction in the device is finished is judged, and the next process can be carried out in time.

Description

Automatic control system and metal lithium distillation automatic control equipment

Technical Field

The invention relates to the technical field of metal lithium distillation, in particular to an automatic control system and metal lithium distillation automatic control equipment.

Background

Metal lithium, because its atomic weight is less, and the electric potential is lower, make can contain a large amount of electron capacity in less amount of lithium, therefore lithium when using as the battery, can compromise small in size and the advantage that the storage capacity is big simultaneously, carry out the wide application in the fields such as production lithium cell, aerospace and nuclear physics, in the operation process that the industry drawed metal lithium, a metal lithium distillation extraction equipment with automatic control system, when considering metal lithium to draw the quality, still can guarantee to draw the quantity in the device metal and can satisfy growing consumption demand.

The existing lithium metal distillation device has the following defects:

1. the reference CN206421220U discloses an automatic control system and an automatic control device for lithium metal distillation, which "form a data analysis monitoring network by an engineer station and an operator station of an upper station, through the communication connection of the switch and the master control station of the lower station, a system data transmission control network is formed between the master control station and the plurality of slave control stations, the data of sensors and transmitters of a melting material tank, a feeding tank, a distillation tank and a pure lithium tank of a field device are collected by an input and output signal module of the slave control stations, and are quickly transmitted to the master control station, the master control station regulates and controls, the automatic metal lithium distillation control equipment has the characteristics of high automation degree, accurate and reliable control, high cost performance and the like, the yield and the quality of high-purity metal lithium are effectively improved, however, when the device works, whether the internal reaction state is finished or not can not be timely and effectively judged, so that the switching among the device processes is inconvenient;

2. the comparison document CN103409648A discloses a low-temperature metal lithium distillation device and a distillation method thereof, which comprises a distillation retort, a heating furnace, a heat insulator, a potassium-sodium slag collection tank, a U-shaped vacuum tube, a control cabinet and a vacuum pump, wherein a distillation tank is arranged at the bottom of the distillation retort, and a discharge tube, a feed tube and a slag discharge tube are connected to the distillation tank from top to bottom; an umbrella-shaped reflux hood is arranged in the middle of the distillation retort, and a temperature detector is arranged below the umbrella-shaped reflux hood; the upper part of the distillation retort is provided with a cooling zone, and the upper part of the distillation retort is provided with a potassium-sodium collector; a cooling water jacket is arranged outside the potassium-sodium collector; the potassium-sodium collector is connected with a potassium-sodium slag collecting tank pipeline arranged outside the distillation tank; the control cabinet is independently arranged outside the distillation retort. The distillation method comprises the steps of starting a heating furnace and a vacuum pump, and adding industrial-grade lithium metal; the materials in the distillation tank are stirred in a vertical and sufficient convection manner; distilling for 3 hours to obtain high-purity battery grade lithium metal; discharging waste materials and continuing the next batch operation, but the device cannot realize automatic discharge when discharging materials, and the materials are inconvenient to discharge;

3. the reference CN109055769A discloses a multi-component alloy fractional distillation equipment, which comprises a furnace shell body, a vacuum distillation device and a heating device which are arranged inside the furnace shell body, and a product collection device connected with the vacuum distillation device, wherein the furnace shell body comprises a furnace chassis and supporting legs arranged on the furnace chassis, the vacuum distillation device comprises a confluence disc fixedly arranged on the supporting legs, a graphite crucible arranged at the upper end of the confluence disc, and a graphite condensation cover sleeved on the periphery of the graphite crucible. The multi-component alloy fractional distillation equipment provided by the invention can realize gradual volatilization and collection of multi-component alloy on the premise of not interrupting the distillation process, does not need secondary treatment, can effectively shorten the treatment process, improve the production efficiency and reduce the energy consumption, and has no waste water and waste gas generated in the distillation process, good production environment, but the waste generated in the processing process can not be effectively utilized by the device, so that the resource utilization efficiency is not high.

Disclosure of Invention

The present invention aims to provide an automatic control system and an automatic control device for lithium metal distillation, so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: an automatic control system and automatic control equipment for lithium metal distillation comprise a distillation retort, wherein a barrel is arranged in the distillation retort, the round barrel is designed to be open, four groups of reaction tanks are equidistantly arranged on the inner wall of the round barrel, a stirring barrel is arranged in the round barrel, a feed inlet is arranged at the top of the mixing drum, a driving motor is arranged at the top of the mixing drum, a first ferrule and a second ferrule are sleeved on the surface of the distillation retort, the second ferrule is positioned below the first ferrule, two groups of support rods are welded at the top of the first ferrule, wherein the top of one group of the support rods is welded with a storage tank which is positioned in front of the distillation retort, the front of the storage tank is provided with a water outlet pipe, and the surface of the water outlet pipe is provided with a control valve, the top of the other group of the supporting rods is fixed with a water storage barrel, and the water storage barrel is positioned behind the distillation retort.

Preferably, the top surface mounting of a lasso has four groups of bases, and the base is open design, the gas collecting bottle has been placed to the inside of base, and the inside of gas collecting bottle has held the lime water solution, the inner wall top of gas collecting bottle is equipped with the screw thread, the screening funnel is installed to the inner wall of churn.

Preferably, the rubber buffer is installed through the screw thread in the inside of gas collecting bottle, and the inside of rubber buffer is run through and is installed the breather pipe, and the bottom of breather pipe extends to the inside of gas collecting bottle, and the check valve is installed to the inner wall of breather pipe, and the surface mounting of gas collecting bottle has the sound shellfish detector.

Preferably, the equal diameter's sealing washer is installed at the top of screening funnel, four electric telescopic handle of group are installed to the inner wall of sealing washer, two liang of a set of, symmetrical arrangement, electric telescopic handle is close to the one end top of sealing washer inner wall and is fixed with the crosspiece, the crosspiece is installed perpendicularly with electric telescopic handle, the baffle is installed at the top of crosspiece, the height of baffle is a little higher than the top surface height of sealing washer, the surface connection that the sealing washer inner wall was kept away from to the crosspiece has semicircular screening screen cloth, electric telescopic handle's extension end tail end top and the trailing end connection of screening screen cloth, No. two discharging pipes are installed to the bottom of screening funnel, the tail end of No. two discharging pipes extends to the below of retort, the tail end surface of No. two discharging pipes is equipped with the screw thread, the surface mounting of No. two discharging pipes has electric control valve, and electric control valve is located the inside of churn.

Preferably, the water pump is installed at the top of storage tank, and the water pipe is installed to the output of water pump, and the tail end of water pipe extends into the inside of storage tank, and the input of water pump is installed and is connected the water pipe, and the tail end position of connecting the water pipe is scalable hose construction, and the trailing end connection who connects the water pipe has the switching pipe, and the diameter of switching pipe is greater than and connects the water pipe.

Preferably, the inner wall surface mounting of retort has the circular shape circle that insulates against heat, and the electrothermal tube is installed to the inner wall equidistance of circle that insulates against heat, and a discharging pipe is installed to the inner wall of retort, and the tail end of a discharging pipe extends to the inside of churn, and the surface mounting of a discharging pipe has the solenoid valve, solenoid valve and sound shellfish detector electric connection, and the outlet duct is installed to the inner wall of retort, and the tail end of outlet duct extends to the outside of cask and is connected with the inlet end of breather pipe.

Preferably, the top of retort is inlayed and is installed the top cap, and the bottom of top cap and the top laminating of retort, the handle is installed at the top of top cap, and the protective frame is installed at the top of base.

Preferably, the output end of the driving motor is provided with a stirring rod, the stirring rod is positioned inside the stirring cylinder, and the surface of the stirring rod is provided with stirring blades in a surrounding manner.

Preferably, the containing hopper is installed to the inner wall of churn, and the inside of containing hopper is sunken design, and the containing hopper is located the below of a discharging pipe, and row material pipe is installed to the bottom of containing hopper, and the surface mounting who arranges the material pipe has electric valve.

Preferably, the bottom of the second ferrule is provided with an electric lifting rod, and the bottom of the electric lifting rod is provided with a non-slip mat.

Preferably, the surface mounting of water storage bucket has the inlet tube, and the tail end of inlet tube extends into the inside of churn, and the tail end of inlet tube is located the top of holding hopper, and the surface mounting of inlet tube has the valve, and the valve is located the outside of retort.

Preferably, the working steps of the device are as follows:

s1, when the device is used for distilling and extracting metal lithium, the top cover is taken down, then lithium carbonate raw materials are put into the reaction tank, then the electric heating pipe is started, the lithium carbonate is decomposed into carbon dioxide and lithium oxide in the reaction tank through heating, in the process, the carbon dioxide enters the gas collecting bottle through the gas outlet pipe and the vent pipe, and the one-way valve in the vent pipe can prevent the liquid in the gas collecting bottle from being sucked backwards;

s2, after the decomposition reaction in the reaction tank is finished, carbon dioxide gas is not generated any more, no bubble exists in the gas collection bottle at the moment, no bubble cracking sound exists in the gas collection bottle, the sound shell detector on the surface of the gas collection bottle detects that no sound exists in the gas collection bottle at the moment, the sound shell detector can send an electric signal to the electromagnetic valve to enable the electromagnetic valve to be opened to transfer the product lithium oxide in the reaction tank to the interior of the stirring cylinder, then calcium is put into the stirring cylinder, the lithium oxide with the waste heat reacts with the calcium to generate calcium oxide and lithium, then the driving motor is started to drive the simple substance stirring rod to stir the mixture of the calcium oxide and the lithium oxide in the reaction tank, so that the reaction is more complete, then the electric valve on the surface of the discharge pipe is started, and the mixture in the stirring cylinder is conveyed to the surface of the screening funnel;

s3, starting a valve on the surface of the water inlet pipe, and injecting water into the stirring cylinder, wherein calcium oxide reacts with water to form a calcium hydroxide solution, and lithium simple substance reacts with water to form insoluble lithium hydroxide to surround the lithium simple substance, so that the lithium simple substance is prevented from continuously reacting, and a turbid sodium hydroxide solution is generated;

s4, connecting the adapting pipe to the tail end of the second discharge pipe through threads, starting the electric telescopic rod to drive the screening mesh cloth to approach to the circle center of the sealing ring to form a complete circular mesh structure, then starting the water pump to pump the calcium hydroxide solution filtered by the screening mesh cloth in the stirring cylinder into the storage tank so as to supply the solution for the reaction of the gas collection bottle and realize the combined utilization of resources;

s5, after extraction, start electric lift rod, with the whole high lifting of retort to the staff expects greatly to collect, can close water pump and electric telescopic handle, make electric telescopic handle' S extension end shrink gradually, drive the screening screen cloth fold gradually and contract back, drop its surface intercepted lithium simple substance, inside No. two discharging pipe discharge retorts.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention is provided with a gas collecting bottle which consists of a sound shell detector, a rubber plug, a vent pipe and a one-way valve, when carbon dioxide gas in the reaction tank enters the gas collecting bottle through the vent pipe, the carbon dioxide gas and the lime water solution in the gas collecting bottle react to generate calcium carbonate precipitate, the rubber plug is arranged, can be detachably mounted with the bottle body through the screw threads on the surface while ensuring the integral sealing property of the bottle body when the gas collecting bottle is used for treating and digesting carbon dioxide gas, is convenient for replacing the solution in the bottle body, can ensure the one-way passing property of the gas in the vent pipe through the check valve, avoids the phenomenon of suck-back caused by the pressurization of the internal air pressure of the bottle body after the gas is injected into the bottle body, the acoustic shellfish detector can detect the bubble sound in the bottle body, judges whether the reaction in the reaction tank is finished or not by detecting whether the bubble sound exists in the bottle body or not, and automatically discharges the product in the reaction tank into the stirring cylinder to provide judgment basis.

2. The screening funnel is installed and comprises a sealing ring, a second discharging pipe, an electric telescopic rod, a baffle, screening mesh and a crosspiece, the crosspiece can provide a supporting function for the installation of the baffle and the screening mesh, the sealing ring can increase the friction force between the screening funnel and the inner wall of a stirring cylinder, the screening funnel is prevented from falling off under the washing of a mixed solution, the electric telescopic rod is started to drive the screening mesh to approach to the circle center position of the sealing ring to form a complete circular mesh structure, the passing calcium hydroxide and lithium elementary substance ball mixed solution can be intercepted and filtered, the lithium elementary substance balls are intercepted on the surface of the screening mesh, after the screened calcium hydroxide solution is pumped and transferred by a water pump, the adapter pipe is taken down from the tail end surface of the second discharging pipe, then the electric telescopic rod is started again to drive the lithium elementary substance balls to shrink, and at the moment, the screening mesh gradually approaches to the inner wall of the sealing ring, in this in-process, screening screen cloth surface generates the fold, and the lithium simple substance ball on its surface is blockked by the baffle, and the surface of the screening screen cloth that drops immediately is inside through No. two discharging pipes discharge retort afterwards.

3. According to the invention, the storage tank is arranged and consists of the water pump, the connecting water pipe and the adapter pipe, and after the adapter pipe is sleeved at the tail end of the second discharge pipe, a worker starts the water pump, so that the calcium hydroxide solution filtered in the stirring cylinder can be transferred into the storage tank through the connecting water pipe, thereby realizing secondary utilization of the product and improving the resource utilization rate of the device.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the backside structure of the present invention;

FIG. 3 is a schematic view of the installation structure of the driving motor, the mixing drum, the drum and the screening funnel of the present invention;

FIG. 4 is a schematic view of the gas collection bottle and vent tube assembly of the present invention;

FIG. 5 is a schematic sectional view of a reaction tank according to the present invention;

FIG. 6 is a schematic view of a portion of the construction of a screening funnel of the present invention;

FIG. 7 is a schematic view of the assembly structure of the sealing ring of the present invention;

FIG. 8 is a schematic view of an assembly structure of the electric telescopic rod, the baffle, the screening mesh and the crosspiece of the present invention.

In the figure: 1. a distillation tank; 101. a top cover; 102. a base; 103. a protective frame; 104. a first ferrule; 2. a reaction tank; 201. a heat insulation ring; 202. an electric heating tube; 203. a first discharge pipe; 204. an air outlet pipe; 205. an electromagnetic valve; 3. a gas collection bottle; 301. a sound shell detector; 302. a rubber plug; 303. a breather pipe; 304. a one-way valve; 4. a drive motor; 401. a stirring rod; 5. a mixing drum; 501. a material containing hopper; 502. a discharge pipe; 6. a barrel; 7. a screening funnel; 701. a seal ring; 702. a second discharge pipe; 703. an electric telescopic rod; 704. a baffle plate; 705. screening mesh cloth; 706. a crosspiece; 8. a second ferrule; 801. an electric lifting rod; 9. a material storage tank; 901. a water pump; 902. connecting a water pipe; 903. a transfer tube; 10. a water storage barrel; 1001. and (4) a water inlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-8, an embodiment of the present invention is shown: an automatic control system and a metal lithium distillation automatic control device, which comprises a distillation retort 1, wherein a round barrel 6 is arranged inside the distillation retort 1, the round barrel 6 is in an open design, the distillation retort 1 can provide an operation processing space for the device to carry out metal lithium distillation work, the open design of the round barrel 6 can facilitate workers to add lithium carbonate raw materials into a reaction tank 2, four groups of reaction tanks 2 are arranged on the inner wall of the round barrel 6 at equal intervals, the reaction tanks 2 can decompose lithium carbonate into lithium oxide and carbon dioxide through internal electric heating tubes 202, the preliminary separation treatment of the distillation operation is carried out, a stirring barrel 5 is arranged inside the round barrel 6, a feeding hole is arranged at the top of the stirring barrel 5, a space is provided for the subsequent chemical reaction of the lithium oxide and calcium, thereby extracting lithium elements in the lithium oxide, realizing the high-concentration purification operation, a driving motor 4 is arranged at the top of the stirring barrel 5, the surface of the distillation retort 1 is sleeved with a first ferrule 104 and a second ferrule 8, the second ferrule 8 is positioned below the first ferrule 104, the first ferrule 104 can support the installation of a storage tank 9, a water storage barrel 10 and a base 102, two groups of support rods are welded at the top of the first ferrule 104, the storage tank 9 is welded at the top of one group of support rods, the storage tank 9 is positioned in front of the distillation retort 1 and can extract and store calcium hydroxide solution generated in the distillation processing process so as to provide raw material supply for the gas collecting bottle 3, a water outlet pipe is installed at the front of the storage tank 9, a control valve is installed on the surface of the water outlet pipe, the gas collecting bottle 3 can conveniently take the calcium hydroxide solution stored in the gas collecting bottle 3 through the control valve, the water storage barrel 10 is fixed at the top of the other group of support rods, and the water storage barrel 10 is positioned behind the distillation retort 1, the internally stored clear water may be discharged into the inside of the agitating drum 5 so as to convert the generated calcium oxide into a calcium hydroxide solution.

No. one, the top surface mounting of lasso 104 has four groups of bases 102, and base 102 is uncovered design, base 102 can provide comparatively sufficient space for placing of gas collecting bottle 3, gas collecting bottle 3 has been placed to the inside of base 102, and the inside of gas collecting bottle 3 has held lime water solution, the inner wall top of gas collecting bottle 3 is equipped with the screw thread, lime water solution through inside, carbon dioxide gas who generates when can decomposing the retort 2 inside converts calcium carbonate to and deposits, reduce air pollution, screening funnel 7 is installed to the inner wall of churn 5, through the closure of control screening screen cloth 705, can be when realizing device interception filtering capability conveniently inside the lithium simple substance discharge department device that generates.

The rubber plug 302 is installed in the gas collecting bottle 3 through threads, the vent pipe 303 is installed in the rubber plug 302 in a penetrating manner, the bottom of the vent pipe 303 extends into the gas collecting bottle 3, the check valve 304 is installed on the inner wall of the vent pipe 303, the acoustic shell detector 301 is installed on the surface of the gas collecting bottle 3, when carbon dioxide gas in the reaction tank 2 enters the gas collecting bottle 3 through the vent pipe 303, the carbon dioxide gas reacts with lime water solution in the gas collecting bottle 3 to generate calcium carbonate precipitate, the rubber plug 302 is installed, the detachable installation of the bottle body can be realized through threads on the surface while ensuring the integral sealing performance of the bottle body when the gas collecting bottle 3 treats and digests the carbon dioxide gas, the solution in the bottle body is convenient to replace, the check valve 304 can ensure the one-way passing performance of the gas in the vent pipe 303, and the phenomenon of suck-back due to the pressurization of the gas in the bottle body after the gas is injected is avoided, the sound and noise detector 301 can detect the bubble sound inside the bottle body, determine whether the reaction inside the reaction tank 2 is finished by detecting whether the bubble sound exists inside the bottle body, and automatically discharge the product inside the reaction tank 2 into the mixing drum 5 to provide a determination basis.

The top of the screening funnel 7 is provided with a sealing ring 701 with equal diameter, the inner wall of the sealing ring 701 is provided with four groups of electric telescopic rods 703, every two groups of electric telescopic rods 703 are symmetrically arranged, the top of one end of each electric telescopic rod 703 close to the inner wall of the sealing ring 701 is fixed with a crosspiece 706, the crosspiece 706 is vertically arranged with the electric telescopic rods 703, the top of the crosspiece 706 is provided with a baffle 704, the height of the baffle 704 is slightly higher than the top surface of the sealing ring 701, the surface of the crosspiece 706 far away from the inner wall of the sealing ring 701 is connected with a semicircular screening mesh 705, the top of the tail end of the extending end of each electric telescopic rod 703 is connected with the tail end of the screening mesh 705, the bottom of the screening funnel 7 is provided with a second discharge pipe 702, the tail end of the second discharge pipe 702 extends to the lower part of the distillation retort 1, the tail end surface of the second discharge pipe 702 is provided with threads, the surface of the second discharge pipe 702 is provided with an electric control valve, and the electric control valve is positioned in the stirring cylinder 5, the crosspiece 706 can provide a supporting function for the installation of the baffle 704 and the screening mesh 705, the sealing ring 701 can increase the friction force between the screening funnel 7 and the inner wall of the stirring cylinder 5, the screening funnel 7 is prevented from falling off under the washing of the mixed solution, the electric telescopic rod 703 is started to drive the screening mesh 705 to approach to the circle center of the sealing ring 701, a complete circular mesh structure is formed, the passing mixed solution of calcium hydroxide and lithium simple substance balls can be intercepted and filtered, the lithium simple substance balls are intercepted on the surface of the screening mesh 705, after the screened calcium hydroxide solution is extracted and transferred by the water pump 901, the adapter tube 903 is taken down from the tail end surface of the second discharge tube 702, then the electric telescopic rod is started again to drive the electric telescopic rod to contract, at the moment, the screening mesh 705 gradually approaches to the inner wall of the sealing ring 701, wrinkles are generated on the surface of the screening mesh 705, and the lithium simple substance balls on the surface are blocked by the baffle 704, the surface of the screen cloth 705 is then dropped and subsequently drained from the retort 1 through the second outlet pipe 702.

Water pump 901 is installed at the top of storage tank 9, the water pipe is installed to water pump 901's output, the tail end of water pipe extends into the inside of storage tank 9, connect water pipe 902 is installed to water pump 901's input, the tail end position of connecting water pipe 902 is scalable hose construction, the trailing end connection of connecting water pipe 902 has switching pipe 903, the diameter of switching pipe 903 is greater than and connects water pipe 902, the staff cup joints switching pipe 903 behind the tail end of No. two discharging pipes 702, start water pump 901, can shift to storage tank 9 inside with the calcium hydrate solution after the filtration treatment in the churn 5 through connecting water pipe 902, and then realize the formation and reutilization, improve the resource utilization of device.

The inner wall surface of the reaction tank 2 is provided with a circular heat insulation ring 201, the inner wall of the heat insulation ring 201 is provided with electric heating tubes 202 at equal intervals, the inner wall of the reaction tank 2 is provided with a first discharge pipe 203, the tail end of the first discharge pipe 203 extends into the stirring barrel 5, the surface of the first discharge pipe 203 is provided with an electromagnetic valve 205, the electromagnetic valve 205 is electrically connected with a sound shell detector 301, the inner wall of the reaction tank 2 is provided with an air outlet pipe 204, the tail end of the air outlet pipe 204 extends to the outside of the round barrel 6 to be connected with the air inlet end of the air vent pipe 303, the heat insulation ring 201 can avoid heat exchange between the reaction tank 2 and the outside of the round barrel 6, the phenomenon that the surface temperature of the distillation tank 1 is too high and scalds workers is avoided, the heat generated after the electric heating tubes 202 are electrified can provide energy supply for the decomposition reaction of lithium carbonate, the pipeline of the first discharge pipe 203 can be unblocked after the electromagnetic valve 205 is started, and then the lithium oxide in the inner part can be transferred into the stirring barrel 5, .

Top cap 101 is installed in retort 1's top gomphosis, and the handle is installed at top of top cap 101 and retort 2's top laminating, and protective frame 103 is installed at base 102's top, and top cap 101 can guarantee retort 1's leakproofness when retort 1 carries out the distillation of metal lithium operation, and protective frame 103's use can improve base 102's protection height, protective gas collecting bottle 3's stability.

Puddler 401 is installed to driving motor 4's output, and puddler 401 is located the inside of churn 5, and the surface of puddler 401 encircles and installs the stirring leaf, and when puddler 401 rotated, can be with the mixture stirring of inside lithium oxide and calcium to guarantee going on fully of lithium oxide and calcium reaction.

Hopper 501 is installed to the inner wall of churn 5, hopper 501's inside is sunken design, hopper 501 is located the below of discharging pipe 203 No. one, row's material pipe 502 is installed to hopper 501's bottom, row's material pipe 502's surface mounting has electric valve, the back is closed to electric valve, can stop up row's material pipe 502 to can block up the mixture after the reaction inside hopper 501, leave sufficient reaction time for the inside mixture of churn 5.

Electric lifting rod 801 is installed at the bottom of second ferrule 8, and the slipmat is installed to the bottom of electric lifting rod 801, and before discharging lithium simple substance ball, can start electric lifting rod 801, with the whole high lifting of retort 1, make things convenient for the staff to get the material.

The surface mounting of water storage bucket 10 has inlet tube 1001, and the tail end of inlet tube 1001 extends into the inside of churn 5, and the tail end of inlet tube 1001 is located the top of containing hopper 501, and the surface mounting of inlet tube 1001 has the valve, and the valve is located retort 1's outside, opens the valve and can discharge the inside clear water of water storage bucket 10 inside to churn 5 inside through inlet tube 1001 to realize the separation of calcium oxide and lithium simple substance.

The working steps of the device are as follows:

s1, when the device is used for distilling and extracting the lithium metal, the top cover 101 is taken down, then the lithium carbonate raw material is put into the reaction tank 2, then the electric heating tube 202 is started, the lithium carbonate is decomposed into carbon dioxide and lithium oxide in the reaction tank 2 through heating, in the process, the carbon dioxide enters the gas collecting bottle 3 through the gas outlet pipe 204 and the vent pipe 303, and the one-way valve 304 in the vent pipe 303 can prevent the liquid in the gas collecting bottle from being sucked back;

s2, when the decomposition reaction in the reaction tank 2 is finished, the carbon dioxide gas is not generated any more, at the moment, the gas collecting bottle 3 does not have bubbles any more, therefore, no bubble cracking sound exists in the gas collecting bottle 3, the sound shell detector 301 on the surface of the gas collecting bottle 3 detects that no sound exists in the gas collecting bottle 3, the sound shell detector 301 can send an electric signal to the electromagnetic valve 205 to enable the electromagnetic valve to be opened to transfer the lithium oxide generated in the reaction tank 2 to the stirring cylinder 5, then calcium is added into the stirring cylinder 5, the lithium oxide with waste heat is utilized to react with the calcium to generate calcium oxide and lithium elementary substances, then the driving motor 4 is started to drive the stirring rod 401 to stir the mixture of the calcium and the lithium oxide in the reaction tank, so that the reaction is more sufficient, then the electric valve on the surface of the discharging pipe 502 is started, and the mixture in the stirring cylinder 5 is transmitted to the surface of the screening funnel 7;

s3, then starting a valve on the surface of the water inlet pipe 1001, and injecting water into the stirring cylinder 5, wherein calcium oxide reacts with water to form a calcium hydroxide solution, and the lithium simple substance reacts with the water to form insoluble lithium hydroxide to surround the lithium simple substance, so that the lithium simple substance is prevented from continuously reacting, and a turbid sodium hydroxide solution is generated;

s4, the adapter tube 903 can be connected to the tail end of the second discharge tube 702 in a threaded mode, the electric telescopic rod 703 is started to drive the screening mesh 705 to approach to the circle center of the sealing ring 701 to form a complete circular mesh structure, then the water pump 901 is started, and the calcium hydroxide solution filtered by the screening mesh 705 in the stirring cylinder 5 is pumped into the storage tank 9 so as to be supplied to the reaction solution of the gas collection bottle 3, and therefore the combined utilization of resources is achieved;

s5, after extraction, starting the electric lifting rod 801, lifting the whole height of the distillation retort 1 so that the working personnel can hold materials and collect the materials, closing the water pump 901 and the electric telescopic rod 703 to enable the extending end of the electric telescopic rod 703 to gradually contract, driving the screening mesh cloth 705 to gradually fold and retract, dropping the lithium elementary substances intercepted on the surface of the screening mesh cloth, and discharging the lithium elementary substances out of the distillation retort 1 through the discharge pipe 702 II.

The working principle is as follows: when the device is used for distilling and extracting the metal lithium, the top cover 101 is taken down, then the lithium carbonate raw material is put into the reaction tank 2, then the electric heating tube 202 is started, the lithium carbonate is decomposed into carbon dioxide and lithium oxide in the reaction tank 2 through heating, in the process, the carbon dioxide enters the gas collecting bottle 3 through the air outlet pipe 204 and the air vent pipe 303, the liquid suck-back in the gas vent pipe 303 can be avoided through the check valve 304 in the air vent pipe 303, after the decomposition reaction in the reaction tank 2 is finished, the carbon dioxide gas is not generated, at the moment, no bubble exists in the gas collecting bottle 3, the bubble cracking sound does not exist in the gas collecting bottle 3 any more, at the moment, the sound shell detector 301 on the surface of the gas collecting bottle 3 detects that no sound exists in the gas collecting bottle 3, at the moment, the sound shell detector 301 can send an electric signal to the electromagnetic valve 205 to enable the electromagnetic valve to be opened to transfer the product lithium oxide in the reaction tank 2 to the stirring cylinder 5, then calcium is put into the stirring cylinder 5, lithium oxide with waste heat is utilized to react with the calcium, calcium oxide and lithium simple substances are generated, then a driving motor 4 is started, a stirring rod 401 is driven to stir the mixture of the calcium and the lithium oxide inside, the reaction is more sufficient, then an electric valve on the surface of a discharge pipe 502 is started, the mixture inside the stirring cylinder 5 is conveyed to the surface of a screening funnel 7, then a valve on the surface of a water inlet pipe 1001 is started, water is injected into the stirring cylinder 5, at the moment, calcium oxide reacts with water to form a calcium hydroxide solution, lithium simple substances react with the water to form lithium hydroxide which is difficult to react and surrounds the lithium simple substances, the lithium simple substances are prevented from continuing to react, turbid sodium hydroxide solution is generated, then a switching pipe 903 can be connected to the tail end of a second discharge pipe 702 in a threaded mode, an electric telescopic rod 703 is started, and the electric telescopic rod drives the screening mesh 705 to be close to the circle center of a sealing ring 701, form complete circular screen cloth structure, later start water pump 901, extract 5 inside through the filterable calcium hydroxide solution of screening screen cloth 705 to storage tank 9 inside, so that supply gas collecting bottle 3 solution for the reaction, realize the combination utilization of resource, after the extraction, start electric lift rod 801, with retort 1 whole high lifting, so that the staff contains the material and collects, can close water pump 901 and electric telescopic handle 703, make the extension end of electric telescopic handle 703 shrink gradually, drive screening screen cloth 705 fold gradually and contract back, drop its surperficial interception's lithium simple substance, inside discharging retort 1 through No. two discharging pipe 702.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an automatic control system and metal lithium distillation automatic control equipment, includes retort (1), its characterized in that: the internally mounted of retort (1) has cask (6), and cask (6) are uncovered design, four groups of retort (2) are installed to the inner wall equidistance of cask (6), the internally mounted of cask (6) has churn (5), and the top of churn (5) installs the feed inlet, driving motor (4) are installed at the top of churn (5), No. one lasso (104) and No. two lassos (8) have been cup jointed on the surface of retort (1), and No. two lassos (8) are located the below of No. one lasso (104), the top welding of No. one lasso (104) has two sets of bracing pieces, wherein a set of the top welding of bracing piece has storage tank (9), and storage tank (9) are located the place ahead of retort (1), and the outlet pipe is installed in the front of storage tank (9), and the surface mounting of outlet pipe has the control valve, and a water storage barrel (10) is fixed at the top of the other group of the support rods, and the water storage barrel (10) is positioned behind the distillation retort (1).

2. The automatic control system and the automatic control equipment for lithium metal distillation according to claim 1, wherein: the top surface mounting of a number of lasso (104) has four groups of bases (102), and base (102) are uncovered design, gas collecting bottle (3) have been placed to the inside of base (102), and the inside of gas collecting bottle (3) has held lime aqueous solution, the inner wall top of gas collecting bottle (3) is equipped with the screw thread, screening funnel (7) are installed to the inner wall of churn (5).

3. The automatic control system and the automatic control equipment for lithium metal distillation according to claim 2, wherein: the utility model discloses a gas collection bottle, including gas collection bottle (3), rubber buffer (302) are installed through the screw thread to the inside of gas collection bottle (3), and the inside of rubber buffer (302) is run through and is installed breather pipe (303), and the bottom of breather pipe (303) extends to the inside of gas collection bottle (3), and check valve (304) are installed to the inner wall of breather pipe (303), and the surface mounting of gas collection bottle (3) has sound shellfish detector (301).

4. The automatic control system and the automatic control equipment for lithium metal distillation according to claim 1, wherein: equal-diameter sealing rings (701) are installed at the top of the screening funnel (7), four groups of electric telescopic rods (703) are installed on the inner wall of the sealing ring (701), every two groups of electric telescopic rods are arranged in one group, a crosspiece (706) is fixed at the top of one end, close to the inner wall of the sealing ring (701), of each electric telescopic rod (703), the crosspiece (706) is vertically installed with the electric telescopic rods (703), a baffle (704) is installed at the top of each crosspiece (706), the height of the baffle (704) is slightly higher than the height of the top surface of the sealing ring (701), a semicircular screening mesh cloth (705) is connected to the surface, far away from the inner wall of the sealing ring (701), of each crosspiece (706), the tail end top of the extending end of each electric telescopic rod (703) is connected with the tail end of the screening mesh cloth (705), a second discharge pipe (702) is installed at the bottom of the screening funnel (7), and the tail end of the second discharge pipe (702) extends to the lower part of the distillation retort (1), the surface of the tail end of the second discharge pipe (702) is provided with threads, and the surface of the second discharge pipe (702) is provided with an electric control valve which is positioned inside the mixing drum (5).

5. The automatic control system and the automatic control equipment for lithium metal distillation according to claim 2, wherein: water pump (901) are installed at the top of storage tank (9), and the water pipe is installed to the output of water pump (901), and the tail end of water pipe extends into the inside of storage tank (9), and connection water pipe (902) are installed to the input of water pump (901), and the tail end position of connecting water pipe (902) is scalable hose structure, and the trailing end of connecting water pipe (902) is connected with switching pipe (903), and the diameter of switching pipe (903) is greater than and connects water pipe (902).

6. The automatic control system and the automatic control equipment for lithium metal distillation according to claim 1, wherein: inner wall surface mounting of retort (2) has circular shape thermal-insulated circle (201), electrothermal tube (202) are installed to the inner wall equidistance of thermal-insulated circle (201), discharging pipe (203) is installed to the inner wall of retort (2), the tail end of discharging pipe (203) extends to the inside of churn (5), the surface mounting of discharging pipe (203) has solenoid valve (205), solenoid valve (205) and sound shellfish detector (301) electric connection, outlet duct (204) are installed to the inner wall of retort (2), the tail end of outlet duct (204) extends to the outside of cask (6) and is connected with the inlet end of breather pipe (303).

7. The automatic control system and the automatic control equipment for lithium metal distillation according to claim 1, wherein: a top cover (101) is installed on the top of the distillation retort (1) in an embedded mode, the bottom of the top cover (101) is attached to the top of the reaction tank (2), a handle is installed on the top of the top cover (101), and a protection frame (103) is installed on the top of the base (102).

8. The automatic control system and the automatic control equipment for lithium metal distillation according to claim 1, wherein: puddler (401) are installed to the output of driving motor (4), and puddler (401) are located the inside of churn (5), and the surface of puddler (401) is encircleed and is installed the stirring leaf.

9. The automatic control system and the automatic control equipment for lithium metal distillation according to claim 1, wherein: the inner wall of churn (5) is installed and is contained hopper (501), and the inside of contained hopper (501) is sunken design, and contained hopper (501) are located the below of discharging pipe (203) No. one, and row material pipe (502) are installed to the bottom of contained hopper (501), and the surface mounting who arranges material pipe (502) has electric valve.

10. The automatic control system and the automatic control equipment for lithium metal distillation according to claim 1, wherein: an electric lifting rod (801) is installed at the bottom of the second ferrule (8), and an anti-skid pad is installed at the bottom of the electric lifting rod (801).

11. The automatic control system and the automatic control equipment for lithium metal distillation according to claim 1, wherein: the surface mounting of water storage bucket (10) has inlet tube (1001), and the tail end of inlet tube (1001) extends into the inside of churn (5), and the tail end of inlet tube (1001) is located the top of holding hopper (501), and the surface mounting of inlet tube (1001) has the valve, and the valve is located the outside of retort (1).

12. An automatic control system and automatic control equipment for lithium metal distillation according to any one of claims 1 to 11, wherein the working steps of the device are as follows:

s1, when the device is used for distilling and extracting the lithium metal, the top cover (101) is removed, then the lithium carbonate raw material is put into the reaction tank (2), then the electric heating tube (202) is started, the lithium carbonate is decomposed into carbon dioxide and lithium oxide in the reaction tank (2) through heating, in the process, the carbon dioxide enters the gas collecting bottle (3) through the gas outlet tube (204) and the vent tube (303), and the one-way valve (304) in the vent tube (303) can prevent liquid from being sucked back;

s2, after the decomposition reaction in the reaction tank (2) is finished, carbon dioxide gas is not generated any more, no bubble exists in the gas collection bottle (3) at the moment, no bubble cracking sound exists in the gas collection bottle (3), at the moment, the sound shell detector (301) on the surface of the gas collection bottle (3) detects that no sound exists in the gas collection bottle (3), at the moment, the sound shell detector (301) can send an electric signal to the electromagnetic valve (205) to enable the electromagnetic valve to be opened to transfer the product lithium oxide in the reaction tank (2) to the stirring cylinder (5), then calcium is put into the stirring cylinder (5), the lithium oxide with waste heat reacts with calcium to generate calcium oxide and lithium elementary substances, then the driving motor (4) is started to drive the stirring rod (401) to stir the mixture of the calcium and the lithium oxide in the stirring cylinder to enable the reaction to be more sufficient, and then the electric valve on the surface of the discharge pipe (502) is started, transferring the mixture inside the mixing drum (5) to the surface of a screening hopper (7);

s3, then starting a valve on the surface of the water inlet pipe (1001), injecting water into the stirring cylinder (5), reacting calcium oxide with water to obtain a calcium hydroxide solution, reacting the lithium simple substance with the water to obtain insoluble lithium hydroxide, surrounding the lithium simple substance, and avoiding the lithium simple substance from continuously reacting to obtain a turbid sodium hydroxide solution;

s4, the adapter tube (903) can be connected to the tail end of the second discharge tube (702) in a threaded mode, the electric telescopic rod (703) is started to drive the screening mesh cloth (705) to be close to the circle center of the sealing ring (701) to form a complete circular mesh structure, then the water pump (901) is started, calcium hydroxide solution filtered by the screening mesh cloth (705) in the stirring cylinder (5) is pumped into the storage tank (9), so that the reaction solution of the gas collection bottle (3) can be supplied, and the combined utilization of resources is achieved;

s5, after extraction, starting the electric lifting rod (801), lifting the whole height of the distillation retort (1), so that the workers can contain materials and collect, closing the water pump (901) and the electric telescopic rod (703), gradually shrinking the extending end of the electric telescopic rod (703), driving the screening mesh cloth (705) to gradually fold and retract, dropping the lithium elementary substance intercepted on the surface of the screening mesh cloth, and discharging the lithium elementary substance out of the distillation retort (1) through the discharge pipe (702) II.