CN109724405A - A kind of high carbon ferro-chrome for preparing is with energy saving and environment friendly electric furnace - Google Patents
A kind of high carbon ferro-chrome for preparing is with energy saving and environment friendly electric furnace Download PDFInfo
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- CN109724405A CN109724405A CN201910027896.5A CN201910027896A CN109724405A CN 109724405 A CN109724405 A CN 109724405A CN 201910027896 A CN201910027896 A CN 201910027896A CN 109724405 A CN109724405 A CN 109724405A
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Abstract
The present invention relates to the technical fields of electric furnace auxiliary equipment; the energy saving and environment friendly electric furnace of high carbon ferro-chrome is prepared more particularly to a kind of, secondary use can be carried out to the heat in the high-temp waste gas that it is generated, reduce the waste of heat; the protection to working environment is improved, practicability is improved；And pre-heating drying can be carried out to the furnace charge of addition, avoid low temperature or the furnace charge with moisture from entering and generate the case where stirring up and down when liquid metal is mixed with slag, avoided boiling hot accident of burning caused by furnace charge splash, improve safety；It is convenient simultaneously that dross is cleared up, improve use reliability；Including furnace shell, transformer, bell, graphite electrode, tapping hole, remove cinder notch, pedestal, support base, inclination cylinder, fixed frame, charging box, feeding motor, feed pipe, thermally conductive coil pipe, downtake pipe, support plate, shaft, spiral conveying blade, treating column, negative-pressure air fan, activated carbon adsorption device, tubular heat exchanger, connection air hose, second exhaust pipe and sealing device.
Description
Technical field
The present invention relates to the technical fields of electric furnace auxiliary equipment, prepare high carbon ferro-chrome energy conservation and environmental protection more particularly to a kind of
Type electric furnace.
Background technique
It is well known that preparing high carbon ferro-chrome with energy saving and environment friendly electric furnace is that a kind of electric energy in furnace is converted into heat to work
The heating furnace of part heating, electric furnace can be divided into resistance furnace, induction furnace, electric arc furnaces, plasma heating furnace, electron beam furnace etc., with Fuel Furnace ratio
Have compared with the advantages of, electric furnace: furnace atmosphere is easy to control；Material heating is fast；Heating temperature is high；Easy control of temperature；Production process
It is easier to realize mechanization and automation；Labour health condition is good；The thermal efficiency is high；Good product quality, and it is more environmentally-friendly, be conducive to delay
The environmental problem that solution is on the rise is widely used in a variety of applications in the field of smelting iron and steel；It is existing to prepare high carbon ferro-chrome
It include furnace shell and transformer with energy saving and environment friendly electric furnace, furnace shell is internally provided with placed cavity, and the top of furnace shell is provided with bell,
And three groups of graphite electrodes being inserted into inside placed cavity are provided on bell, graphite electrode is electrically connected with transformer, on bell
It is provided with feed opening, is provided with tapping hole on the right side of the bottom end of furnace shell, the right end lower part of furnace body is provided with except cinder notch；Existing preparation
The energy saving and environment friendly electric furnace of high carbon ferro-chrome leads in use, carbon, silica and chromite raw material are directed into placed cavity from feed opening
Transformer is crossed as graphite electrode energization, converting electrical energy into thermal energy by graphite electrode is that the raw material in placed cavity is heated,
Reduction reaction occurs in placed cavity for raw material, and by that will float on the dross removal on molten iron surface except cinder notch, the molten iron of generation is from out
Iron mouth, which is exported, carries out subsequent refining or casting at ladle；The existing high carbon ferro-chrome for preparing is with energy saving and environment friendly electricity
It is found in furnace use, during which generates high-temp waste gas and have a large amount of heat, this partial heat can not be utilized, not only be made
At the waste of thermal energy, and certain pollution is caused to working environment, cause practicability lower；And it can not be to the furnace of addition
Material carries out pre-heating drying, and low temperature or the furnace charge with moisture fall into liquid metal and mix with slag, generates and stirs increase up and down
React contact surface, aggravation reaction, it is easy to furnace charge splash occur and cause boiling hot accident of burning, safety is lower；Its inconvenience is right simultaneously
Dross is cleared up, and causes use reliability lower.
Summary of the invention
In order to solve the above technical problems, the present invention, which provides one kind, can carry out two to the heat in the high-temp waste gas that it is generated
Secondary utilization reduces the waste of heat, improves the protection to working environment, improves practicability；And can to the furnace charge of addition into
Row pre-heating drying avoids low temperature or the furnace charge with moisture from entering the feelings for generating when liquid metal is mixed with slag and stirring up and down
Condition avoids boiling hot accident of burning caused by furnace charge splash, improves safety；It is convenient simultaneously that dross is cleared up, it improves using reliable
Property prepares high carbon ferro-chrome with energy saving and environment friendly electric furnace.
It is of the invention a kind of to prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, including furnace shell and transformer, the inside of furnace shell
It is provided with placed cavity, the top of furnace shell is provided with bell, and three groups of graphite being inserted into inside placed cavity are provided on bell
Electrode, graphite electrode are electrically connected with transformer, are provided with tapping hole on the right side of the bottom end of furnace shell, the right end lower part of furnace body, which is provided with, removes
Cinder notch；Further include pedestal, support base, roll cylinder, fixed frame, charging box, feeding motor, feed pipe, thermally conductive coil pipe and first
Exhaust pipe, the top of the support base are fixedly connected with the center bottom of furnace shell, and the bottom end of support base and the top of pedestal can turn
It is welded and fixed in the middle part of dynamic connection, the right end of the fixed frame and the left end of furnace shell, the top of the bottom end for rolling cylinder and pedestal
End is hinged, and the top output port for rolling cylinder is fixedly connected with the bottom end of fixed frame, and the charging box is installed on the top of fixed frame
End, and it is provided with support plate in the working chamber that is internally provided with of charging box, the working chamber, it is uniformly arranged in the support plate
There is multiple groups strip-shaped hole, the top of charging box is provided with feed opening, and the feeding motor is installed on the left end of charging box, and in feeding
The right side output end of motor is provided with shaft, and the right end of the shaft stretches in working chamber from the left end of charging box and is located at branch
The top of fagging, and spiral conveying blade is provided in shaft, the spiral conveying blade is located in working chamber and is located at branch
The top of fagging, the input terminal of the feed pipe stretch to the top in working chamber and being located at support plate from the right end of charging box,
The output end of feed pipe stretches in placed cavity from the top of bell, and the thermally conductive coil pipe is installed in working chamber and is located at support
The lower section of plate, and it is provided with and communicated with multiple groups venthole on the top of thermally conductive coil pipe, thermally conductive coil pipe is one end seal shape open at one end
The input terminal of state, the downtake pipe stretches in placed cavity from the top of bell, and the output end of downtake pipe feeds certainly
The right end of case is stretched in working chamber and is connected to the open at one end of thermally conductive coil pipe；It further include treating column and negative-pressure air fan, it is described
Treating column is internally provided with cavity, and half region is horizontally arranged with activated carbon adsorption device, the upper half of cavity under the cavity
Domain is horizontally arranged with tubular heat exchanger, the output end of the negative-pressure air fan stretched in cavity from the right end bottom for the treatment of column and
Positioned at the lower section of activated carbon adsorption device, the input terminal of negative-pressure air fan is provided with connection air hose, the input terminal of the connection air hose
It is stretched in working chamber from the top of charging box, the top for the treatment of column is provided with second exhaust pipe；It is provided at the tapping hole
Sealing device, the sealing device include left mounting plate, right mounting plate, driving motor, lead screw, slide plate and gag lever post, the left side
The top of mounting plate and right mounting plate is fixedly connected with the bottom end of furnace shell, and left mounting plate and right mounting plate or so are set relatively
It sets, and the left end of right mounting plate is provided with mounting groove, be fixedly installed with ball bearing in the mounting groove, before the slide plate
Half region is provided with the threaded hole of left and right perforation, and the driving motor is installed on the left end of left mounting plate, the right end of the lead screw
It fills from the left end spiral shell of slide plate across threaded hole and is inserted into inside ball bearing, the right end of left end from the left mounting plate of lead screw passes through
Left mounting plate is simultaneously sequentially connected with the right side output end of driving motor, and the later half region of slide plate is provided with the limit of left and right perforation
Hole, the left end of the gag lever post are connect with the right end of left mounting plate, and the right end of gag lever post passes through limit hole simultaneously from the right end of slide plate
It is connect with the left end of right mounting plate, the top of slide plate is provided with sealing plate, and the top of the sealing plate and the bottom end of furnace shell are adjacent to
And it is located at the underface of tapping hole.
It is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, be provided with furnace lining on the inner wall of the furnace shell,
The sealing plate is corundum material.
It is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, the bottom end of the furnace shell is provided with lateral item
Shape slot, the tapping hole are located in the strip groove, and the top of the sealing plate is located in the strip groove, and sealing plate
Front-end and back-end are contacted with the front side wall of strip groove and rear wall respectively.
It is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, be provided with cover board at the feed opening, it is described
One end of cover board and the top of charging box are connected by a hinge, and the other end of cover board and the top of charging box pass through lock connection.
It is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, the section of the placed cavity bottom is T-shape
Structure, the bottom that T-shape structure broad position is located at except cinder notch.
It is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, it is described except being provided with movable door at cinder notch,
The top of the activity door and the right end of furnace shell are connected by a hinge, and the bottom end of movable door is freely sagging and the right side with furnace shell
End in contact.
It is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, the connection air hose is flexible telescopic tube.
It is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, the width of the strip-shaped hole is less than chromite
Average diameter.
It is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, further include front flow guiding plate and rear deflector, institute
The bottom end for stating front flow guiding plate and rear deflector is connect with the top of support plate, the rear end of the front end of front flow guiding plate and rear deflector
It is connect respectively with the front side wall of working chamber and rear wall, the front end of the rear end of front flow guiding plate and rear deflector is tilted to the right and divides
It is not connected with the front-end and back-end of feed pipe input terminal.
It is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, the left end of the treating column is provided with maintenance
Mouthful, the service ports are communicated with cavity and face activated carbon adsorption device, and door-plate is provided at service ports, the door-plate
Front end and the left end for the treatment of column are connected by a hinge, and the rear end of door-plate and the left end for the treatment of column pass through lock connection.
Compared with prior art the invention has the benefit that generate high-temp waste gas by downtake pipe enter it is thermally conductive
In coil pipe, and working chamber is entered by the multiple groups venthole in heat conducting disk tube top portion, high-temp waste gas uniformly rises simultaneously in working chamber
Across multiple groups strip-shaped hole, pre-heating drying is carried out to the material on support plate top, is taken out the gas in working chamber by negative-pressure air fan
It send to treating column, the harmful components in exhaust gas is adsorbed by activated carbon adsorption device, then exchanged heat by shell and tube
Device recycles the heat further progress in exhaust gas, can carry out secondary use to the heat in the high-temp waste gas that it is generated, subtract
The waste of few heat, improves the protection to working environment, improves practicability, is preheated by furnace charge of the high-temp waste gas to addition
Drying avoids low temperature or the furnace charge with moisture from entering and generates the case where stirring up and down when liquid metal is mixed with slag, keeps away
Exempt from boiling hot accident of burning caused by furnace charge splash, improves safety；Furnace shell is tilted to the right certain angle by rolling cylinder, makes to float
Slag conveniently clears up dross, then drives lead screw to rotate certain circle number by driving motor, pass through from cinder notch discharge is removed
The cooperation of lead screw and slide plate threaded hole, slides laterally slide plate, is limited by gag lever post to slide plate, and slide plate drives sealing plate
Tapping hole is opened after sliding laterally certain distance, exports molten iron from tapping hole, improves use reliability.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is partial enlargement structural representation at the A of Fig. 1 of the present invention；
Fig. 3 is the overlooking structure diagram of sealing device of the present invention；
Fig. 4 is the overlooking structure diagram that support plate of the present invention, front flow guiding plate are connected with rear deflector；
Fig. 5 is the overlooking structure diagram of the thermally conductive coil pipe of the present invention；
It is attached marked in the figure: 1, furnace shell；2, bell；3, graphite electrode；4, tapping hole；5, cinder notch is removed；6, pedestal；7, it supports
Seat；8, cylinder is rolled；9, fixed frame；10, charging box；11, feeding motor；12, feed pipe；13, thermally conductive coil pipe；14, first row
Tracheae；15, support plate；16, strip-shaped hole；17, shaft；18, spiral conveying blade；19, venthole；20, treating column；21, negative pressure
Blower；22, activated carbon adsorption device；23, tubular heat exchanger；24, it is connected to air hose；25, second exhaust pipe；26, left mounting plate；
27, right mounting plate；28, driving motor；29, lead screw；30, slide plate；31, gag lever post；32, ball bearing；33, sealing plate；34, furnace
Lining；35, strip groove；36, cover board；37, movable door；38, front flow guiding plate；39, rear deflector；40, door-plate.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
As shown in Figures 1 to 5, it is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, including furnace shell 1 and become
Depressor, furnace shell 1 are internally provided with placed cavity, and the top of furnace shell 1 is provided with bell 2, and three groups of insertions are provided on bell 2
Graphite electrode 3 inside to placed cavity, graphite electrode 3 are electrically connected with transformer, are provided with tapping hole 4 on the right side of the bottom end of furnace shell 1,
The right end lower part of furnace body is provided with except cinder notch 5；Further include pedestal 6, support base 7, rolls cylinder 8, fixed frame 9, charging box 10, send
Material motor 11, feed pipe 12, thermally conductive coil pipe 13 and downtake pipe 14, the top of support base 7 and the center bottom of furnace shell 1 are fixed
Connection, the bottom end of support base 7 and the top of pedestal 6 are rotatably connected, and weld in the middle part of the right end of fixed frame 9 and the left end of furnace shell 1
Fixed, the bottom end for rolling cylinder 8 and the top of pedestal 6 are hinged, and the bottom end of the top output port and fixed frame 9 that roll cylinder 8 is solid
Fixed connection, charging box 10 is installed on the top of fixed frame 9, and sets in the working chamber that is internally provided with of charging box 10, working chamber
It is equipped with support plate 15, multiple groups strip-shaped hole 16 is evenly arranged in support plate 15, the top of charging box 10 is provided with feed opening, feeding
Motor 11 is installed on the left end of charging box 10, and the right side output end of feeding motor 11 is provided with shaft 17, the right side of shaft 17
The top for stretching to from the left end of charging box 10 and in working chamber and being located at support plate 15 is held, and is provided with spiral transferring in shaft 17
Blade 18 is sent, spiral conveying blade 18 is located at the top in working chamber and being located at support plate 15, and the input terminal of feed pipe 12 adds certainly
The right end of hopper 10 stretches to the top in working chamber and being located at support plate 15, and the output end of feed pipe 12 is from the top of bell 2
It stretches in placed cavity, thermally conductive coil pipe 13 is installed on the lower section in working chamber and being located at support plate 15, and in thermally conductive coil pipe 13
Top is provided with and communicated with multiple groups venthole 19, and thermally conductive coil pipe 13 is one end sealing state open at one end, downtake pipe 14 it is defeated
Enter end to stretch in placed cavity from the top of bell 2, the right end of output end from the charging box 10 of downtake pipe 14 stretches to work
Make intracavitary and is connected to the open at one end of thermally conductive coil pipe 13；It further include treating column 20 and negative-pressure air fan 21, the inside for the treatment of column 20
It is provided with cavity, and half region is horizontally arranged with activated carbon adsorption device 22 under the cavity, the upper half area of cavity is laterally arranged
There is tubular heat exchanger 23, the output end of negative-pressure air fan 21 stretches in cavity from the right end bottom for the treatment of column 20 and is located at activity
The lower section of charcoal adsorbent equipment 22, the input terminal of negative-pressure air fan 21 are provided with connection air hose 24, and the input terminal for being connected to air hose 24 adds certainly
The top of hopper 10 stretches in working chamber, and the top for the treatment of column 20 is provided with second exhaust pipe 25；It is provided at tapping hole 4 close
Seal apparatus, sealing device include left mounting plate 26, right mounting plate 27, driving motor 28, lead screw 29, slide plate 30 and gag lever post 31,
The top of left mounting plate 26 and right mounting plate 27 is fixedly connected with the bottom end of furnace shell 1, and left mounting plate 26 and right mounting plate
27 or so are oppositely arranged, and the left end of right mounting plate 27 is provided with mounting groove, and ball bearing 32 is fixedly installed in mounting groove,
The first half region of slide plate 30 is provided with the threaded hole of left and right perforation, and driving motor 28 is installed on the left end of left mounting plate 26, lead screw
29 right end is filled across threaded hole from the left end spiral shell of slide plate 30 and is inserted into inside ball bearing 32, and the left end of lead screw 29 is from left peace
The right end of loading board 26 passes through left mounting plate 26 and is sequentially connected with the right side output end of driving motor 28, the later half region of slide plate 30
It is provided with the limit hole of left and right perforation, the left end of gag lever post 31 is connect with the right end of left mounting plate 26, and the right end of gag lever post 31 is certainly
The right end of slide plate 30 passes through limit hole and connect with the left end of right mounting plate 27, and the top of slide plate 30 is provided with sealing plate 33, close
The top of sealing plate 33 and the bottom end of furnace shell 1 are adjacent to and are located at the underface of tapping hole 4；The high-temp waste gas of generation passes through first exhaust
Pipe enters in thermally conductive coil pipe, and enters working chamber by the multiple groups venthole in heat conducting disk tube top portion, and high-temp waste gas is in working chamber
Uniformly distributed rise simultaneously passes through multiple groups strip-shaped hole, carries out pre-heating drying to the material on support plate top, by negative-pressure air fan by working chamber
Interior gas is pumped to treating column, is adsorbed by activated carbon adsorption device to the harmful components in exhaust gas, is then passed through
Tubular heat exchanger recycles the heat further progress in exhaust gas, can carry out two to the heat in the high-temp waste gas that it is generated
Secondary utilization reduces the waste of heat, improves the protection to working environment, practicability is improved, by high-temp waste gas to the furnace of addition
Material carries out pre-heating drying, avoids low temperature or the furnace charge with moisture from entering generation when liquid metal is mixed with slag and stirs up and down
The case where, boiling hot accident of burning caused by furnace charge splash is avoided, safety is improved；By roll cylinder furnace shell is tilted to the right it is certain
Angle makes dross remove cinder notch discharge certainly, convenient to clear up dross, then drives lead screw to rotate centainly by driving motor
Enclosing number slides laterally slide plate by the cooperation of lead screw and slide plate threaded hole, is limited by gag lever post to slide plate, slide plate
Tapping hole is opened after driving sealing plate to slide laterally certain distance, exports molten iron from tapping hole, improves use reliability.
It is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, be provided with furnace lining 34 on the inner wall of furnace shell 1, it is close
Sealing plate 33 is corundum material；It is improved by furnace lining to the protection inside furnace shell, the sealing plate high temperature resistant of corundum material, service life
It is long.
It is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, the bottom end of furnace shell 1 is provided with lateral bar shaped
Slot 35, tapping hole 4 are located in strip groove 35, and the top of sealing plate 33 is located in strip groove 35, and the front end of sealing plate 33 and
Rear end is contacted with the front side wall of strip groove 35 and rear wall respectively；It is slid laterally in strip groove by sealing plate, guarantees sealing
The bottom end of plate and furnace shell is effectively adjacent to, and the function of opening and closing is played to tapping hole.
It is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, be provided with cover board 36, cover board 36 at feed opening
One end and the top of charging box 10 be connected by a hinge, the other end of cover board 36 and the top of charging box 10 are connected by lock
It connects；Prevent the exhaust gas in working chamber from overflowing from feed opening by cover board.
It is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, the section of placed cavity bottom is T-shape structure,
Except cinder notch 5 is located at the bottom of T-shape structure broad position；Placed cavity is arranged to T-shape structure, facilitates molten iron and dross point
Layer facilitates dross to remove cinder notch discharge certainly in furnace shell inclination.
It is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, it is living except being provided with movable door 37 at cinder notch 5
The top of dynamic door 37 and the right end of furnace shell 1 are connected by a hinge, and the bottom end of movable door 37 is freely sagging and the right side with furnace shell 1
End in contact；It will be sealed except cinder notch by movable door, when furnace shell is tilted to the right, movable door passes through self gravitation effect still
Keep vertical state, thus will except cinder notch open, facilitate the discharge of dross, and prevent usually exhaust gas from remove cinder notch spilling, mention
High practicability.
It is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, connection air hose 24 is flexible telescopic tube；In furnace
When shell is connected to charging box inclination, certain stroke is provided by flexible telescopic tube, improves practicability.
It is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, the width of strip-shaped hole 16 is less than the flat of chromite
Equal diameter；High-temp waste gas can be heated by material of the strip-shaped hole to support plate top, and material will not be fallen by strip-shaped hole,
Improve practicability.
It is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, further include front flow guiding plate 38 and rear deflector
39, the bottom end of front flow guiding plate 38 and rear deflector 39 is connect with the top of support plate 15, the front end of front flow guiding plate 38 and after lead
The rear end of flowing plate 39 is connect with the front side wall of working chamber and rear wall respectively, before the rear end of front flow guiding plate 38 and rear deflector 39
End is tilted to the right and is connected respectively with the front-end and back-end of 12 input terminal of feed pipe；It is convenient by front flow guiding plate and rear deflector
Spiral conveying blade feeds material conveying in expects pipe.
It is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, the left end for the treatment of column 20 is provided with service ports,
Service ports are communicated with cavity and face activated carbon adsorption device 22, and door-plate 40 is provided at service ports, the front end of door-plate 40
It is connected by a hinge with the left end for the treatment of column 20, the rear end of door-plate 40 and the left end for the treatment of column 20 pass through lock connection；Pass through dimension
It repairs mouth and replacement and desorption processing conveniently is carried out to activated carbon adsorption device, guarantee the treatment effect to exhaust gas, raising uses reliable
Property.
It is of the invention it is a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, at work, complete above-mentioned movement it
Before, it is moved into the position of user's needs first, material is directed into working chamber from feed opening, is driven by feeder motor
Shaft and spiral conveying blade rotation, material is conveyed through feed pipe into placed cavity, is mentioned by transformer for graphite electrode
For electric energy, it is that placed cavity is heated that graphite electrode, which converts electrical energy into thermal energy, and the high-temp waste gas of generation passes through downtake pipe
Enter working chamber into thermally conductive coil pipe, and through the multiple groups venthole in heat conducting disk tube top portion, high-temp waste gas is equal in working chamber
Cloth rises and passes through multiple groups strip-shaped hole, carries out pre-heating drying to the material on support plate top, will be in working chamber by negative-pressure air fan
Gas pump to treating column, the harmful components in exhaust gas are adsorbed by activated carbon adsorption device, then pass through column
Pipe heat exchanger recycles the heat further progress in exhaust gas, can carry out to the heat in the high-temp waste gas that it is generated secondary
It utilizes, reduces the waste of heat, improve the protection to working environment, practicability is improved, by high-temp waste gas to the furnace charge of addition
Pre-heating drying is carried out, low temperature or the furnace charge with moisture is avoided to enter what generation when liquid metal is mixed with slag was stirred up and down
Situation avoids boiling hot accident of burning caused by furnace charge splash, improves safety；Furnace shell is tilted to the right certain angle by rolling cylinder
Degree makes dross from cinder notch discharge is removed, conveniently clears up dross, then drive lead screw to rotate certain circle by driving motor
Number, by the cooperation of lead screw and slide plate threaded hole, slides laterally slide plate, is limited by gag lever post to slide plate, slide plate band
Dynamic sealing plate opens tapping hole after sliding laterally certain distance, exports molten iron from tapping hole, improves use reliability, passes through
Furnace lining is improved to the protection inside furnace shell, the sealing plate high temperature resistant of corundum material, long service life, by sealing plate in strip groove
It inside slides laterally, guarantees that the bottom end of sealing plate and furnace shell is effectively adjacent to, the function of opening and closing is played to tapping hole, passes through lid
Plate prevents the exhaust gas in working chamber from overflowing from feed opening, will be sealed except cinder notch by movable door, living when furnace shell is tilted to the right
Dynamic door still keeps vertical state by self gravitation effect, to will open except cinder notch, facilitates the discharge of dross, and prevent
Only usually exhaust gas improves practicability from cinder notch spilling is removed, and high-temp waste gas can be carried out by material of the strip-shaped hole to support plate top
Heating, material will not be fallen by strip-shaped hole, facilitate spiral conveying blade to convey material by front flow guiding plate and rear deflector
It feeds in expects pipe, replacement and desorption processing is carried out to activated carbon adsorption device by the way that service ports are convenient, guarantee the processing to exhaust gas
Effect improves use reliability.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of prepare the energy saving and environment friendly electric furnace of high carbon ferro-chrome, including furnace shell (1) and transformer, the inside setting of furnace shell (1)
There is placed cavity, the top of furnace shell (1) is provided with bell (2), and is provided with three groups on bell (2) and is inserted into inside placed cavity
Graphite electrode (3), graphite electrode (3) are electrically connected with transformer, are provided with tapping hole (4) on the right side of the bottom end of furnace shell (1), furnace body
Right end lower part is provided with except cinder notch (5)；It is characterized in that, further including pedestal (6), support base (7), rolling cylinder (8), fixed frame
(9), charging box (10), feeding motor (11), feed pipe (12), thermally conductive coil pipe (13) and downtake pipe (14), the support
The top of seat (7) is fixedly connected with the center bottom of furnace shell (1), and the bottom end of support base (7) and the top of pedestal (6) rotatably connect
It connects, is welded and fixed in the middle part of the right end of the fixed frame (9) and the left end of furnace shell (1), the bottom end for rolling cylinder (8) and pedestal
(6) top is hinged, and the top output port for rolling cylinder (8) is fixedly connected with the bottom end of fixed frame (9), the charging box (10)
It is installed on the top of fixed frame (9), and in the working chamber that is internally provided with of charging box (10), support is provided in the working chamber
Plate (15) is evenly arranged with multiple groups strip-shaped hole (16) on the support plate (15), and the top of charging box (10) is provided with feed opening,
The feeding motor (11) is installed on the left end of charging box (10), and the right side output end of feeding motor (11) is provided with shaft
(17), the right end of the shaft (17) stretches in working chamber from the left end of charging box (10) and is located at the upper of support plate (15)
Side, and spiral conveying blade (18) are provided on shaft (17), the spiral conveying blade (18) is located in working chamber and position
In the top of support plate (15), the right end of input terminal from the charging box (10) of the feed pipe (12) stretches in working chamber and position
In the top of support plate (15), the top of output end from the bell (2) of feed pipe (12) is stretched in placed cavity, the heat conducting disk
Pipe (13) is installed on the lower section in working chamber and being located at support plate (15), and is provided with and communicated on the top of thermally conductive coil pipe (13) more
Group venthole (19), thermally conductive coil pipe (13) are one end sealing state open at one end, and the input terminal of the downtake pipe (14) is certainly
The top of bell (2) stretches in placed cavity, and the right end of output end from the charging box (10) of downtake pipe (14) stretches to work
Make intracavitary and is connected to the open at one end of thermally conductive coil pipe (13)；It further include treating column (20) and negative-pressure air fan (21), the processing
Tower (20) is internally provided with cavity, and half region is horizontally arranged with activated carbon adsorption device (22) under the cavity, cavity it is upper
Half region is horizontally arranged with tubular heat exchanger (23), and the output end of the negative-pressure air fan (21) is from the right end bottom for the treatment of column (20)
Portion stretches to the lower section in cavity and being located at activated carbon adsorption device (22), and the input terminal of negative-pressure air fan (21) is provided with connection wind
It manages (24), the top of input terminal from the charging box (10) of connection air hose (24) stretches in working chamber, treating column (20)
Top is provided with second exhaust pipe (25)；Sealing device is provided at the tapping hole (4), the sealing device includes left installation
Plate (26), right mounting plate (27), driving motor (28), lead screw (29), slide plate (30) and gag lever post (31), the left mounting plate
(26) it is fixedly connected with the bottom end of furnace shell (1) with the top of right mounting plate (27), and left mounting plate (26) and right mounting plate
(27) left and right is oppositely arranged, and the left end of right mounting plate (27) is provided with mounting groove, and rolling is fixedly installed in the mounting groove
Pearl bearing (32), the first half region of the slide plate (30) are provided with the threaded hole of left and right perforation, driving motor (28) installation
In the left end of left mounting plate (26), the right end of the lead screw (29) is filled across threaded hole and is inserted into from the left end spiral shell of slide plate (30)
Ball bearing (32) is internal, the left end of lead screw (29) from the right end of left mounting plate (26) pass through left mounting plate (26) and with driving electricity
The right side output end of machine (28) is sequentially connected, and the later half region of slide plate (30) is provided with the limit hole of left and right perforation, the limit
The left end of bar (31) is connect with the right end of left mounting plate (26), and the right end of gag lever post (31) passes through limit from the right end of slide plate (30)
The left end of the right mounting plate of Kong Bingyu (27) connects, and the top of slide plate (30) is provided with sealing plate (33), the sealing plate (33)
The bottom end of top and furnace shell (1) is adjacent to and is located at the underface of tapping hole (4).
2. a kind of high carbon ferro-chrome for preparing as described in claim 1 is with energy saving and environment friendly electric furnace, which is characterized in that the furnace shell
(1) it is provided on inner wall furnace lining (34), the sealing plate (33) is corundum material.
3. a kind of high carbon ferro-chrome for preparing as claimed in claim 2 is with energy saving and environment friendly electric furnace, which is characterized in that the furnace shell
(1) bottom end is provided with lateral strip groove (35), and the tapping hole (4) is located in the strip groove (35), the sealing plate
(33) top is located in the strip groove (35), and the front-end and back-end of sealing plate (33) are respectively and before strip groove (35)
Side wall and rear wall contact.
4. a kind of high carbon ferro-chrome for preparing as claimed in claim 3 is with energy saving and environment friendly electric furnace, which is characterized in that the feed opening
Place is provided with cover board (36), and one end of the cover board (36) and the top of charging box (10) are connected by a hinge, cover board (36)
The top of the other end and charging box (10) passes through lock connection.
5. a kind of high carbon ferro-chrome for preparing as claimed in claim 4 is with energy saving and environment friendly electric furnace, which is characterized in that the placed cavity
The section of bottom is T-shape structure, the bottom that T-shape structure broad position is located at except cinder notch (5).
6. a kind of high carbon ferro-chrome for preparing as claimed in claim 5 is with energy saving and environment friendly electric furnace, which is characterized in that described to remove cinder notch
(5) it is provided at movable door (37), the top of the activity door (37) and the right end of furnace shell (1) are connected by a hinge, living
The bottom end of dynamic door (37) is freely sagging and contacts with the right end of furnace shell (1).
7. a kind of high carbon ferro-chrome for preparing as claimed in claim 6 is with energy saving and environment friendly electric furnace, which is characterized in that the connection wind
Managing (24) is flexible telescopic tube.
8. a kind of high carbon ferro-chrome for preparing as claimed in claim 7 is with energy saving and environment friendly electric furnace, which is characterized in that the strip-shaped hole
(16) width is less than the average diameter of chromite.
9. a kind of high carbon ferro-chrome for preparing as claimed in claim 8 is with energy saving and environment friendly electric furnace, which is characterized in that further include leading
Top of the bottom end of flowing plate (38) and rear deflector (39), the front flow guiding plate (38) and rear deflector (39) with support plate (15)
End connection, the front end of front flow guiding plate (38) and the rear end of rear deflector (39) connect with the front side wall of working chamber and rear wall respectively
Connect, the rear end of front flow guiding plate (38) and the front end of rear deflector (39) be tilted to the right and respectively with feed pipe (12) input terminal
Front-end and back-end are connected.
10. a kind of high carbon ferro-chrome for preparing as claimed in claim 9 is with energy saving and environment friendly electric furnace, which is characterized in that the processing
The left end of tower (20) is provided with service ports, and the service ports are communicated with cavity and face activated carbon adsorption device (22), and are tieing up
It is provided with door-plate (40) at repairing mouthful, the front end of the door-plate (40) and the left end for the treatment of column (20) are connected by a hinge, door-plate
(40) left end of rear end and treating column (20) passes through lock connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910027896.5A CN109724405A (en) | 2019-01-11 | 2019-01-11 | A kind of high carbon ferro-chrome for preparing is with energy saving and environment friendly electric furnace |
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| CN201910027896.5A CN109724405A (en) | 2019-01-11 | 2019-01-11 | A kind of high carbon ferro-chrome for preparing is with energy saving and environment friendly electric furnace |
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| CN117781684A (en) * | 2023-12-28 | 2024-03-29 | 娄底市大金新材料有限责任公司 | Device for producing high-purity metal chromium by using electric arc furnace |
| CN118049853A (en) * | 2024-04-16 | 2024-05-17 | 宝鸡同盈稀有金属有限公司 | Smelting furnace and smelting method |
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