CN208722075U - A kind of automatic control system preparing arc furnace cover - Google Patents

Abstract

The utility model discloses a kind of automatic control systems for preparing arc furnace cover, including control room computer, automatic water replenishing system and baking system；Control room computer is communicated to connect with automatic water replenishing system and baking system respectively；Automatic water replenishing system includes first processor and the control panel being electrically connected respectively with first processor, capacitance type sensor, the first solenoid valve, second solenoid valve and control box；Control box is electrically connected with pump motor；Baking system includes second processor；Second processor is electrically connected with temperature sensor, several wall fans and several infrared heating fluorescent tubes respectively；Control room computer is also connect with both arms crane driving motor, agitating device driving motor and mobile platform driving motor conducting wire respectively；Control room computer is connect by INTERNET net with cloud server signal；Cloud server is connect with APP client signal.

Description

A kind of automatic control system preparing arc furnace cover

Technical field

The utility model belongs to the technical field of electric arc furnaces, and in particular to a kind of automatic control system for preparing arc furnace cover System.

Background technique

With the rapid development of China's steel and iron industry, strengthening smelting new process is constantly used, and electric furnace is constantly to big in pot Type and ultra high powerization development, but bring is that resistance to material use condition is increasingly harsh therewith, and the bell service life reduces etc. year by year asks Topic.Arc furnace cover is a component of the utmost importance in electric furnace production process, and service life height significantly affects the operating rate of electric furnace And labor intensity, and certain influence is brought to steel quality and production safety.

Arc furnace cover preparation system cycle time is long, low efficiency, is not able to satisfy the rate and quality of industrialized production It is required that., main reason is that equipment is old, the degree of automation is low for it, and each important stage for causing arc furnace cover to prepare all needs Longer cycle is wanted, industrialized process is seriously affected.

Utility model content

The purpose of this utility model is that being directed to above-mentioned deficiency in the prior art, a kind of arc furnace cover for preparing is provided Automatic control system, to solve the problem of existing to prepare arc furnace cover system aging long preparation period.

In order to achieve the above objectives, the technical scheme adopted by the utility model is that:

A kind of automatic control system preparing arc furnace cover comprising control room computer, automatic water replenishing system and baking Roasting system；Control room computer is communicated to connect with automatic water replenishing system and baking system respectively；

Automatic water replenishing system includes that first processor and the control panel being electrically connected respectively with first processor, condenser type pass Sensor, the first solenoid valve, second solenoid valve and control box；Control box is electrically connected with pump motor；Baking system includes at second Manage device；Second processor is electrically connected with temperature sensor, several wall fans and several infrared heating fluorescent tubes respectively；

Control room computer also drives with both arms crane driving motor, agitating device driving motor and mobile platform respectively Motor wire connection；Control room computer is connect by INTERNET net with cloud server signal；Cloud server and APP visitor The connection of family end signal.

Preferably, control room computer is communicated to connect with automatic water replenishing system and baking system respectively by communication module； Communication module includes ZIGBEE wireless communication module and router.

Preferably, control panel is embedded at tank top；First processor is integrated in control panel, and and water level detecting Warning circuit connection；First solenoid valve and second solenoid valve be respectively arranged on radiator drain road and water inlet line on；Control box It is embedded on water pump, controls in box and be embedded a cell phone；Earpiece loudspeaker in cell phone successively with diode V2, rectified current Hold C2 to connect with silicon-controlled V；Silicon-controlled V is connected to relay J；Relay J includes normal opened contact J1 and normal opened contact J2；It is normally opened Contact J2 is connect by normally open contact K2 with water pump；First processor is logical by RS485 bus and the Traffic Channel of cell phone Letter connection, controller are also electrically connected with the first solenoid valve, second solenoid valve and capacitance type sensor respectively.

Preferably, water tank is located on mobile platform.

Preferably, the first solenoid valve and second solenoid valve are HOPE97 pulse electromagnetic valve；Capacitance type sensor is CQF Liquid-level type capacitance sensor；First processor is STM32 single-chip microcontroller.

Preferably, temperature sensor is technical grade RS hyperthermic temperature transmitter, and second processor is PLC controller, red External heat fluorescent tube is that short-wave infrared heats fluorescent tube.

Preferably, second processor is embedded at baking vessel's outer wall, be embedded in each baking vessel temperature sensor, The top-hung of baking vessel is equipped with several wall fans；Be embedded on the inside of baking vessel wall it is several by the infrared of even layers distribution plus Thermolamp pipe.

Preferably, mobile platform bottom is set there are four the idler wheel driven by mobile platform driving motor, and four rolling is located at On platform track；The both arms crane is in the top of mobile platform.

Preferably, agitating device includes the first blender and the second blender；Second blender is installed on mobile platform, And it is connected to water tank water intake pipeline.

Preferably, the first agitating device is HX-L2000 powder mixer, and the second agitating device is JW-350 blender.

The automatic control system provided by the utility model for preparing arc furnace cover, has the advantages that

Tthe utility model system includes the stirring, moisturizing and injection molding of arc furnace cover raw material, and to injection molding Bell afterwards carries out automatic transportation and baking, and then accelerates scattering and disappearing for its moisture, accelerates the ratio of briquetting of finished product.It is practical new at this In type system, automation runs through whole preparation process, prepares compared to tradition, and the utility model reduces a large amount of manpower, subtracts Short manufacturing cycle, accelerates and prepares the industrialized process of arc furnace cover.

Detailed description of the invention

Fig. 1 is the schematic diagram for preparing the automatic control system of arc furnace cover.

Fig. 2 is the automatic control system mobile platform and both arms crane structure figure for preparing arc furnace cover.

Fig. 3 is the automatic control system automatic water replenishing system structure chart for preparing arc furnace cover.

Fig. 4 is the automatic control system cover body structure figure for preparing arc furnace cover.

Fig. 5 is the automatic control system lid sectional side elevation for preparing arc furnace cover.

Fig. 6 is the automatic control system water level detecting warning circuit figure for preparing arc furnace cover.

Fig. 7 is the automatic control system control box and water pump start-up circuit figure for preparing arc furnace cover.

Fig. 8 is the automatic control system baking vessel circuit diagram for preparing arc furnace cover.

Fig. 9 is the automatic control system infrared heating fluorescent tube placement figure for preparing arc furnace cover.

Figure 10 is to prepare the automatic control system temperature of arc furnace cover you and curve graph.

Wherein, 1, mobile platform；2, the second agitating device；3, water tank；4, conveyance conduit；5, injection mold；6, platform rail Road；7, idler wheel；8, twin beams track；9, boom；10, lifting rope；11, it links up with；12, baking vessel；13, wall fan；14, infrared heat lamp Pipe；15, steelframe；16, lid；17, arc shaped hook；18, insulating layer；19, baking vessel's wall；20, temperature sensor；21, baking lid Body；22, water pump；23, shaping drum；24, capacitance type sensor；25, electrode plate；26, annular groove；31, control panel；32, 4th LED light；33, third LED light；34, the second LED light；35, the first LED light；36, box is controlled；37, water inlet line；38, One solenoid valve；39, outlet conduit；40, second solenoid valve.

Specific embodiment

Specific embodiment of the present utility model is described below, in order to facilitate understanding by those skilled in the art The utility model, it should be apparent that the utility model is not limited to the range of specific embodiment, to the common skill of the art For art personnel, if various change the attached claims limit and determine the utility model spirit and scope in, These variations are it will be apparent that all are created using the utility model of the utility model design in the column of protection.

According to one embodiment of the application, with reference to Fig. 1-10, the automatic control system for preparing arc furnace cover of this programme System, including control room computer, automatic water replenishing system and baking system；Control room computer respectively with automatic water replenishing system and baking Roasting system communication connection.

Automatic water replenishing system includes first processor and the control panel being electrically connected respectively with first processor 31, condenser type Sensor 24, the first solenoid valve 38, second solenoid valve 40 and control box 36；Control box 36 is electrically connected with 22 motor of water pump；Baking System includes second processor；Second processor respectively with temperature sensor 20, several wall fans 13 and several infrared heating fluorescent tubes 14 electrical connections.

Control room computer also drives with both arms crane driving motor, agitating device driving motor and mobile platform 1 respectively Dynamic motor wire connection；Control room computer is connect by INTERNET net with cloud server signal；Cloud server and APP Client signal connection.

Control room computer is communicated to connect with automatic water replenishing system and baking system respectively by communication module；Communication module Including ZIGBEE wireless communication module and router.

With reference to Fig. 2, the first agitating device, for being stirred the various components for preparing arc furnace cover in advance；

Second agitating device 2, for will be stirred in advance the various components for preparing arc furnace cover and moisture according to the ratio into The mixing of row secondary agitation；

Automatic water supply system uses water for providing according to arc furnace cover preparation proportion for the second agitating device 2；

Mobile platform 1 for carrying the second agitating device 2 and automatic water supply system, and will complete what secondary agitation mixed Mixture is delivered in injection mold 5；

Injection mold 5, for the mixture injection molding of secondary agitation mixing will to be completed；

Baking system accelerates the evaporation of its moisture for toasting the arc furnace cover of injection molding.

Just each system and device are described in detail below:

First agitating device is HX-L2000 powder mixer, and shop personnel can be according to preparing each of arc furnace cover Kind component carries out the first time stirring of solid powder according to the proportion of each component.

Second agitating device 2 and automatic water supply system are mounted on mobile platform 1, the outlet conduit of automatic water supply system 39 are located at the top of the second stirring dress, and agitating device bottom opening is simultaneously connected to conveyance conduit 4.

Second agitating device 2 be JW-350 blender, for will complete for the first time stirring after mixture with it is a certain amount of Water carries out second and stirs.The various combinations for preparing arc furnace cover are stirred twice, compared in conventional preparation techniques Successively stirring, stirring can be sufficiently mixed various components twice, and can stir evenly each component, for the quality of finished product With higher promotion.Second agitating device, 2 bottom opening is simultaneously connected to conveyance conduit 4, will complete the mixture of secondary agitation Conveying outward.

Automatic water replenishing system

With reference to Fig. 3,3 top of water tank is connect by shaping drum 23 with lid 16, opens up annular along 23 bottom of shaping drum Groove 26, the depth of annular groove 26 are 4cm, and annular groove 26 is caught in the top of cabinet, and then by shaping drum 23 and case Body is connected as one, and can increase the certain capacity of cabinet, when moisturizing is out of control, also there is certain nargin.

With reference to Fig. 4 and Fig. 5, lid 16 is connect with the top hinge of shaping drum 23, and the material of shaping drum 23 is PVC, It is transparent material, is embedded a capacitance type sensor 24 on transparent 23 outer wall of shaping drum, and capacitance type sensor 24 Two electrode plates 25 are located on the outer wall of shaping drum 23 of transparence.

Capacitance type sensor 24 selects CQF liquid-level type capacitance sensor, can be according to the medium between two electrode plates 25 Variation, detect the water level of current water tank 3, and the current water level information of water tank 3 is transmitted to controller as electronic signals It is interior.

When moisturizing, when the water level in water tank 3 has been more than first time alarm water level, i.e., water level arrived shaping drum 23 When position, when reaching the position of two electrode plates 25 to water level, electrode plate 25 senses the change of medium at this time, which is passed It send to controller, controller controls second solenoid valve 40 and closes, and forces to stop moisturizing.

With reference to Fig. 6,3 outlet conduit 39 of water tank is equipped with the first solenoid valve 38；The top of water tank 3 is embedded a control panel 31, the water level detecting warning circuit for being integrated with controller in control panel 31 and being electrically connected with the controller；Water level detecting alarm electricity Road includes a piece of four bilateral analog switch integrated circuit CD4066 chip；13 pins of CD4066 chip extend to 3 four points of water tank One of at the water level of depth, 5 pins extend at the water level of half depth, and 6 pins extend to the water of 3/4ths depth At position, 12 pins are located at 3 top position of water tank；It include first be embedded on control panel 31 in water level detecting warning circuit LED light 35, the second LED light 34, third LED light 33 and the 4th LED light 32；First LED light 35 successively with switch S1 and CD4066 The pin of chip connects, and the second LED light 34 is successively connect with 5 pins of switch S2 and CD4066 chip, and third LED light 33 is successively It is connect with 6 pins of switch S3 and CD4066 chip, the 4th LED light 32 successively connects with 12 pins of switch S4 and CD4066 chip It connects.

With reference to Fig. 6, the working principle of water level detecting warning circuit are as follows:

When water tank 3 is anhydrous, due to the effect of 180K resistance, keep the control terminal of four switches (S1, S2, S3, S4) low Level, switch disconnect, and LED does not shine.With the increase of water level, due to the conductive characteristic of water, so that 13 feet of IC are high level, S1 is connected, and the first LED light 3535 (LED1 in corresponding diagram 2) is lighted；When water level gradually increases, LED successively shines and indicates water Position.When water is full, LED4 shines, and display water is full.T1 conducting simultaneously, B issue alarm, and water is prompted to expire.When not needing alarm, Disconnect switch K.

I.e. when the water level in water tank 3 is a quarter, S1 conducting, the first LED light 35 shines；

When the water level in water tank 3 is half, S2 conducting, the second LED light 34 shines；

When the water level in water tank 3 is 3/4ths, S3 conducting, third LED light 33 shines；

When the water in water tank 3 is full, S4 conducting, the 4th LED light 32 shines, while B issues alarm.

Water level information is sent to controller by water level detecting warning circuit simultaneously, and controller can control on outlet conduit 39 The opening and closing of first solenoid valve 38, and then control the outflow of water.

Wherein, the first solenoid valve 38 is the first solenoid valve of HOPE97 pulse 38, and is connect with controller signals；Controller For STM32 single-chip microcontroller；STM32 single-chip microcontroller is inputted between serial ports end and water level detecting warning circuit and is connected by conducting wire.

With reference to Fig. 7, a control box 36 is embedded on water pump 22；A cell phone is embedded in control box 36；In cell phone Earpiece loudspeaker are successively connect with diode V2, commutation capacitor C2 and silicon-controlled V；Silicon-controlled V is connected to relay J；Relay J packet Include normal opened contact J1 and normal opened contact J2；Normal opened contact J2 is connect by normally open contact K2 with water pump 22.

Controller is communicated to connect by RS485 bus and the Traffic Channel of cell phone, and controller is also electric with first respectively Magnet valve 38, second solenoid valve 40 and capacitance type sensor 24 are electrically connected.

With reference to Fig. 7, the starting pinciple of water pump 22 are as follows:

The enabling signal that the bell signal of cell phone is started as water pump 22, controller is by RS485 bus and moves Start the Traffic Channel communication connection of machine, controller issue digital signal instruction to cell phone end Traffic Channel it is logical on, hand Machine receives the signal, and after cell phone cell-phone bell, the both ends A, B are powered conducting, filters rear-guard through diode V2 commutation capacitor C2 Silicon-controlled V conducting is moved, relay J obtains electric actuation, its a pair of of normal opened contact J1 closure realizes self-sustaining.Another pair is normal simultaneously Contact J2 closure is opened, ac contactor coil 220V power supply is connected, contactor K obtains electric actuation, and normally open contact K1 closure is realized Self-sustaining, while another pair normally open contact K2 is closed, and connects 22 power supply of water pump, realizes the unlatching of water pump 22.When water tank 3 does not need When moisturizing, the transmission of controller stop signal, the both ends A, B are powered off, and normal opened contact J2 is disconnected, disconnection and ac contactor coil The connection of 220V power supply, water pump 224 power off, and stop water supply operation.

The working principle of this programme moisturizing are as follows:

Water tank 3 is in moisturizing, by the position of CD4066 chip pin, detects current 3 water level of water tank, and by water level information It is corresponding with the LED light of different location.Meanwhile when water tank 3 carries out moisturizing, when CD4066 chip pin detects that water level has been expired, Control water pump 22 stops operation, and carries out first time alarm, and water is avoided to overflow.

And in some special circumstances, when CD4066 chip pin detects failure or water pump 22 is uncontrolled, and Water tank 3 is still in moisturizing at this time, when water level rises to shaping drum 23, and reaches the electrode plate 25 of capacitance type sensor 24, Current water level information is sent in controller by capacitance type sensor 24, and controller sends pulse signal to second solenoid valve 40, the water inlet of water inlet line 37 is forcibly closed, water is avoided to overflow.

Baking system

With reference to Fig. 8 and Fig. 9, baking system includes several baking vessel being disposed adjacent 12；Each baking vessel 12 dries with it Roasting lid 21 is separately positioned；Steelframe 15 is welded in the wall of each baking vessel 12；Each baking vessel's wall 19 and baking lid Body 21 includes insulating layer 18 and steelframe 15.

Double girder crane is opened, the arc furnace cover for completing injection molding is transported to by baking by hook 11 and lifting rope 10 Room 12.It is separately positioned that lid 21 with it toasts in each baking vessel 12, and each baking vessel's wall 19 and baking lid 21 include Insulating layer 18 and steelframe 15；Steelframe 15 is embedded on six sides of insulating layer 18；15 staggered form of steelframe is distributed in baking vessel Wall 19 and baking lid 21,15 vertical section of steelframe positioned at 19 inside of baking vessel's wall is L-shaped, and the concave side of L-type is fixed One infrared heating fluorescent tube 14.

It is welded on the steelframe 15 of 16 upper surface of lid there are four for cooperating the arc shaped hook 17 of hook 11, hook can be passed through 11 and four arc shaped hooks 17 cooperation, will baking lid 21 sling and be moved to the top of baking vessel 12, baking vessel 12 is formed One confined space prevents heat is too fast to scatter and disappear.

19 top of baking vessel's wall is evenly distributed with several wall fans 13, when toasting arc furnace cover, can accelerate to toast Air flowing in room 12, avoids local temperature excessively high, influences final product quality.

Insulating layer 18 between steelframe 15 selects insulating sponge, primarily serves the effect of insulation pack heat, reduces thermal loss.

Temperature sensor 20 is embedded in baking vessel's wall 19, for acquiring the temperature information in baking vessel 12 in real time, temperature Degree sensor 20, infrared heating fluorescent tube 14 and wall fan 13 are connect with computer and factory power, and are controlled by computer.Its In, temperature sensor 20 is technical grade RS hyperthermic temperature transmitter, the temperature information real-time transmission that will test to calculating In machine.Wall fan 13 is used for the heat for distributing infrared heating fluorescent tube 14, dispels in baking vessel 12, keeps heat diffusion uniform, keep away Exempt from arc furnace cover uneven heating, seriously affects final product quality.

Baking system working principle are as follows:

Double girder crane is opened, the arc furnace cover of injection molding is transported in baking vessel 12；

And arc furnace cover is fixed on bracket in parallel；

Double girder crane will toast lid 21 and be transported to 12 top of baking vessel, seal baking vessel 12；

Several infrared heating fluorescent tubes 14 and wall fan 13 in baking vessel 12 are opened in control, are uniformly dried to arc furnace cover It is roasting；

Temperature information in continuous collecting baking vessel 12 forms arc furnace according to the temperature information of acquisition and baking time The baking curve of lid；

The history of the temperature history and the corresponding temperature history that extract baking same time period toasts curve；

The baking curve of current arc furnace bell and history baking curve are subjected to non-linear minimum based on MATLAB software Two multiply fitting, the error curve diagram after being fitted；

Reading error curve graph, if current temperature value is lower than with 10 DEG C of period temperature history or more, control is promoted The output power of infrared heating fluorescent tube 14 or control increase the quantity for opening infrared heating fluorescent tube 14；

If current temperature value is higher than with 10 DEG C of period temperature history or more, if control is opened wall fan 13 or is closed Extra dry red wine external heat fluorescent tube 14.

It is based on MATLAB software that the baking curve of current arc furnace bell and history baking curve progress is non-with reference to Figure 10 Linear least square fitting, the error curve diagram after being fitted, it can be seen from the figure that the period and history normal temperature Difference between value, from figure can the temperature value of the period be lower than at least 9 DEG C of history normal temperature value, computer is logical at this time The power for increasing the quantity for opening infrared heating fluorescent tube 14 or increasing infrared heating fluorescent tube 14 is crossed, achievees the effect that heating.

The utility model prepares the working principle of arc furnace cover automatic control system are as follows:

Mixture after staff stirs first time imports in the second agitating device 2, and the control of control room computer is opened Conducting 2 power supply of the second agitating device is opened, the second agitating device 2 opens stirring.Meanwhile control room computer passes through router local Net (or ZIGBEE wireless communication module) is sent instructions in first processor.First processor receives the action command, It controls the first solenoid valve 38 and opens the moisturizing into the second agitating device 2, and raw material is uniformly mixed with water.

After the completion of raw material mixing, control room computer controls 1 driving motor conduction of mobile platform and opens operation, and By the transport of mobile platform 1 to 5 top of injection mold, subsequent staff is defeated from conveyance conduit 4 by the raw material that completion is mixed It send into injection mold 5, carries out the injection molding of arc furnace cover.

After the injection molding of arc furnace cover to be done, both arms crane is opened in the control of control room computer, utilizes lifting rope 10 transport arc furnace cover to baking vessel 12 with hook 11.After the arc furnace cover in a baking vessel 12 is saturated, after It is continuous that lifting rope 10 and hook 11 is utilized to transport baking lid 21 to 12 top of baking vessel, baking vessel 12 is sealed, and pass through router Local area network (or ZIGBEE wireless communication module) is sent instructions in second processor.Second processor receives instruction, control System opens infrared heating fluorescent tube 14 and wall fan 13 is opened, and starts to toast arc furnace cover.

Control room computer can be carried out automatically controlling according to presetting, and can also be realized under the manipulation of staff automatic Control, while entire process being sent in cloud server in the form of a signal, it is studied convenient for the backup of data and later period, far Journey staff can currently prepare process in the APP client of mobile device end, real-time monitoring after completing identity registration.

Tthe utility model system includes the stirring, moisturizing and injection molding of arc furnace cover raw material, and to injection molding Bell afterwards carries out automatic transportation and baking, and then accelerates scattering and disappearing for its moisture, accelerates the ratio of briquetting of finished product.It is practical new at this In type system, automation runs through whole preparation process, prepares compared to tradition, and the utility model reduces a large amount of manpower, subtracts Short manufacturing cycle, accelerates and prepares the industrialized process of arc furnace cover.

Although being described in detail in conjunction with specific embodiment of the attached drawing to utility model, should not be construed as to this The restriction of the protection scope of patent.In range described by claims, those skilled in the art are without creative work The various modifications and deformation that can make still belong to the protection scope of this patent.

Claims (10)

1. a kind of automatic control system for preparing arc furnace cover, it is characterised in that: including control room computer, automatic water supplement system System and baking system；The control room computer is communicated to connect with automatic water replenishing system and baking system respectively；

The automatic water replenishing system includes that first processor and the control panel being electrically connected respectively with first processor, condenser type pass Sensor, the first solenoid valve, second solenoid valve and control box；The control box is electrically connected with pump motor；The baking system packet Include second processor；The second processor is electrically connected with temperature sensor, several wall fans and several infrared heating fluorescent tubes respectively；

The control room computer also drives with both arms crane driving motor, agitating device driving motor and mobile platform respectively Motor wire connection；The control room computer is connect by INTERNET net with cloud server signal；The cloud service Device is connect with APP client signal.

2. the automatic control system according to claim 1 for preparing arc furnace cover, it is characterised in that: the control room meter Calculation machine is communicated to connect with automatic water replenishing system and baking system respectively by communication module；The communication module include ZIGBEE without Line communication module and router.

3. the automatic control system according to claim 1 for preparing arc furnace cover, it is characterised in that: the control panel It is embedded at tank top；The first processor is integrated in control panel, and is connect with water level detecting warning circuit；Described One solenoid valve and second solenoid valve be respectively arranged on radiator drain road and water inlet line on；The control box is embedded at water pump On, a cell phone is embedded in the control box；Earpiece loudspeaker in the cell phone successively with diode V2, commutation capacitor C2 is connected with silicon-controlled V；The silicon-controlled V is connected to relay J；The relay J includes normal opened contact J1 and normal opened contact J2；The normal opened contact J2 is connect by normally open contact K2 with water pump；The first processor passes through RS485 bus and mobile hand The Traffic Channel of machine communicates to connect, and controller is also electrically connected with the first solenoid valve, second solenoid valve and capacitance type sensor respectively.

4. the automatic control system according to claim 3 for preparing arc furnace cover, it is characterised in that: the water tank is located at On mobile platform.

5. the automatic control system according to claim 1 for preparing arc furnace cover, it is characterised in that: first electromagnetism Valve and second solenoid valve are HOPE97 pulse electromagnetic valve；Capacitance type sensor is CQF liquid-level type capacitance sensor；At first Reason device is STM32 single-chip microcontroller.

6. the automatic control system according to claim 1 for preparing arc furnace cover, it is characterised in that: the temperature sensing Device is technical grade RS hyperthermic temperature transmitter, and second processor is PLC controller, and infrared heating fluorescent tube is short-wave infrared heating Fluorescent tube.

7. the automatic control system according to claim 1 for preparing arc furnace cover, it is characterised in that: the second processing Device is embedded at baking vessel's outer wall, be embedded in each baking vessel temperature sensor, baking vessel top-hung be equipped with it is several Wall fan；Several infrared heating fluorescent tubes being distributed by even layers are embedded on the inside of baking vessel's wall.

8. the automatic control system according to claim 1 for preparing arc furnace cover, it is characterised in that: the mobile platform Bottom is set there are four the idler wheel driven by mobile platform driving motor, and four rolling is located on platform track；The both arms lifting Machine is in the top of mobile platform.

9. the automatic control system according to claim 1 for preparing arc furnace cover, it is characterised in that: the agitating device Including the first blender and the second blender；Second blender is installed on mobile platform, and is connected with water tank water intake pipeline It is logical.

10. the automatic control system according to claim 9 for preparing arc furnace cover, it is characterised in that: described first stirs Mixing device is HX-L2000 powder mixer, and the second agitating device is JW-350 blender.