CN116294662A - Oxygen consumption control device for oxygen gun of electric furnace door - Google Patents
Oxygen consumption control device for oxygen gun of electric furnace door Download PDFInfo
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- CN116294662A CN116294662A CN202310386538.XA CN202310386538A CN116294662A CN 116294662 A CN116294662 A CN 116294662A CN 202310386538 A CN202310386538 A CN 202310386538A CN 116294662 A CN116294662 A CN 116294662A
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 157
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 157
- 239000001301 oxygen Substances 0.000 title claims abstract description 157
- 230000036284 oxygen consumption Effects 0.000 title claims abstract description 18
- 230000008878 coupling Effects 0.000 claims abstract description 14
- 238000010168 coupling process Methods 0.000 claims abstract description 14
- 238000005859 coupling reaction Methods 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims description 35
- 210000001503 joint Anatomy 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 10
- 238000007493 shaping process Methods 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 8
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 33
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 8
- 238000003032 molecular docking Methods 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 6
- 238000002309 gasification Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000002277 temperature effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000010795 Steam Flooding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0003—Monitoring the temperature or a characteristic of the charge and using it as a controlling value
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0034—Regulation through control of a heating quantity such as fuel, oxidant or intensity of current
- F27D2019/004—Fuel quantity
- F27D2019/0043—Amount of air or O2 to the burner
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
The invention relates to the technical field of oxygen consumption control, in particular to an oxygen consumption control device of an oxygen gun of an electric furnace door; the oxygen lance automatic control device comprises a control box, the inside of control box is hollow setting, the front end of control box is provided with the intake pipe of connecting the oxygen lance, the rear end of control box is provided with the outlet pipe of connecting the oxygen lance, the rigid coupling has many mounts between outlet pipe and the intake pipe all and the control box, outlet pipe and intake pipe all communicate with the control box is inside, the inside of control box is provided with temperature sensing subassembly and valve subassembly, valve subassembly is used for controlling whether the intercommunication of intake pipe and outlet pipe, temperature sensing subassembly is used for measuring the temperature in the stove to control valve subassembly opens and closes, through this kind of setting, need not manual regulation and control oxygen transportation, only need always open oxygen through valve subassembly control opening and shutting, has realized oxygen transportation automatic function of opening and timing closing after the oxygen lance inserts.
Description
Technical Field
The invention relates to the technical field of oxygen consumption control, in particular to an oxygen consumption control device for an oxygen gun of an electric furnace door.
Background
The electric furnace is a heating furnace which converts electric energy in the furnace into heat to heat a workpiece, and can be divided into a resistance furnace, an induction furnace, an electric arc furnace, a plasma furnace, an electron beam furnace and the like; the product has good quality and is more environment-friendly, thereby being beneficial to alleviating the environmental problems which are becoming serious.
In the working process of the electric furnace, because the combustion temperature required by the interior is huge, oxygen is required to be frequently filled into the furnace, when oxygen is added inwards, the furnace door can be opened only through an independent oxygen gun when oxygen is fed, the oxygen gun is inserted into the furnace, and high-concentration oxygen is input inwards.
The furnace door oxygen lance needs to be inserted into the electric furnace to spray oxygen, but the time of spraying oxygen is not easy to grasp, and the oxygen valve is always opened before insertion, so that substances in the furnace cannot be fully combusted, oxygen waste is easy to cause, the transportation of the control oxygen needs to be judged according to the state in the furnace, and the control of the external electromagnetic valve is complex in procedure and cannot accurately judge the condition in the furnace.
Disclosure of Invention
Therefore, the invention aims to solve the technical problems that the timing of oxygen injection is not well known in the prior art, the oxygen valve is always opened before insertion, substances in the furnace cannot be fully combusted, oxygen waste is easy to cause, the oxygen transportation is controlled to be judged according to the state in the furnace, and the control of the external electromagnetic valve is complex in procedure and cannot accurately judge the state in the furnace.
In order to solve the technical problems, the invention provides an oxygen consumption control device of an electric furnace door oxygen lance, which comprises a control box, wherein the interior of the control box is hollow, the front end of the control box is provided with an air inlet pipe connected with the oxygen lance, the rear end of the control box is provided with an outlet pipe connected with the oxygen lance, a plurality of fixing frames are fixedly connected between the outlet pipe and the air inlet pipe and the control box, the outlet pipe and the air inlet pipe are communicated with the interior of the control box, the interior of the control box is provided with a temperature sensing component and a valve component, the valve component is used for controlling the communication of the air inlet pipe and the outlet pipe, the temperature sensing component is used for measuring the temperature in the furnace and controlling the opening and closing of the valve component, when the electric furnace door oxygen lance is in work, the oxygen lance needs to be inserted into the electric furnace, but the time of oxygen injection is not well known, the oxygen valve is always opened before the oxygen injection is inserted, so that substances in the furnace can not be fully combusted, the oxygen waste is easy to be caused, the oxygen transportation needs to be judged according to the state in the furnace, the external electromagnetic valve is used for controlling the procedures to be complex and not strict enough, the oxygen lance is segmented through the arrangement of the control box, the two sections of oxygen lances are respectively connected with the air inlet pipe and the air outlet pipe, when the oxygen lance is used for supplying the oxygen in the furnace, the oxygen lance is generally required to be stretched into the electric furnace, the whole control box is also inserted into the electric furnace, the temperature in the electric furnace is slowly sensed through the temperature sensing assembly, when the temperature rises to reach a preset value, the temperature sensing assembly is used for controlling the valve to be opened, the air outlet pipe and the oxygen lance of the air inlet pipe are communicated with each other, the oxygen can be normally transported, the temperature sensing assembly can be used for controlling the valve assembly to seal the air inlet pipe and the air outlet pipe along with the continuous rising of the temperature, thus blocking the oxygen input is not required to manually regulate the oxygen transportation through the arrangement, only the oxygen is always opened and controlled to be opened and closed through the valve component, so that the functions of automatic opening and timing closing of oxygen delivery after the oxygen lance is inserted are realized.
In one embodiment of the invention, the temperature sensing component comprises a valve tank, the valve tank is fixedly connected to the bottom of the control box, the interior of the valve tank is hollow, an expansion bag is arranged near the bottom of the valve tank, the expansion bag is made of high-temperature resistant elastic material, the top of the valve tank is provided with an opening, the top of the valve tank is slidably connected with a driving seat, the driving seat is connected with the valve component, the bottom of the valve tank is fixedly connected with a switching seat, the bottom of the switching seat is fixedly connected with an exhaust pipe for exhausting pressure and a water inlet pipe, when the temperature sensing component is in use, the valve tank is easy to break down or damage after long-term use, a proper amount of water source is filled into the expansion bag through the water inlet pipe, after the control box is integrally inserted into the furnace door, the water source is quickly heated up to gasify under the action of high temperature in an electric furnace to hundreds of thousands of degrees, the expansion bag is inflated upwards, the driving seat is controlled to be opened, oxygen is started to start to be conveyed, when oxygen is required to be blocked, the oxygen is sunk, the oxygen is discharged, the internal steam is easy to break down, the expansion seat is driven to be closed, the pressure is not enough, and the water source is stable, the operation is stable is finished through the driving of the water source, and the valve is only by driving the water inlet pipe, and the valve is stable.
In one embodiment of the invention, the valve assembly comprises a valve plate, the valve plate is vertically and slidingly connected with the inside of the control box, the valve plate is positioned between the air inlet pipe and the outlet pipe, the driving seat is fixedly connected with the bottom of the valve plate, the front end of the valve plate is provided with a through hole, and in the normal state, the air inlet pipe and the outlet pipe are blocked by the valve plate and cannot be communicated when the driving seat is lifted, the valve plate is lifted upwards, the position of the through hole is aligned with the air inlet pipe and the outlet pipe, oxygen can be conveyed, and the driving seat is automatically sunk under the action of gravity when the driving seat is sunk, so that the effects of communicating oxygen and blocking oxygen are realized.
In one embodiment of the invention, an air inlet groove and an air outlet groove in vertical states are formed in the switching seat, a clamping seat is fixedly connected to one end, close to the expansion bag, of the air inlet groove, the clamping seat is fixedly connected with the outer edge of the expansion bag, a butt joint pipe is communicated between the air outlet groove and the air inlet groove, a switching component is arranged in the butt joint pipe and used for controlling the opening and closing of the butt joint pipe, a one-way pressure valve is fixedly connected to the bottom of the air inlet groove, when the expansion bag is required to be supplemented with water source, the water source breaks through the one-way pressure valve to enter the expansion bag along with the increase of pressure, and when the steam is required to be discharged outwards, the butt joint pipe is opened through the switching component, so that the steam enters the exhaust pipe through the butt joint pipe, and the effect of no interference between the air exhaust and the water inlet is achieved.
In one embodiment of the invention, the switching component comprises a metal rope, one end of the butt joint pipe, which is close to the air inlet groove, is connected with a sliding block in a sliding manner, two elastic pieces are fixedly connected between the sliding block and the butt joint pipe, one end of the butt joint pipe, which is close to the air outlet groove, is fixedly connected with a one-way valve, one end of the metal rope is fixedly connected with the surface of the sliding block, the other end of the metal rope is fixedly connected with the inner top of the expansion bag, when the control box is in operation, as the time for entering the furnace is prolonged, as the water source is rapidly evaporated, the steam quantity is gradually increased, the expansion bag extrudes the driving seat to lift the height, so that the metal rope is pulled upwards, the sliding block is pulled upwards, the butt joint pipe is opened, steam is poured out, and in the tilting process, the flowing steam can prop against the sliding block, so that the steam can be continuously released, and the driving seat and the valve plate can normally fall down.
In one embodiment of the invention, the top of the clamping seat is fixedly connected with a spring sleeve, the spring sleeve is made of elastic metal material, the inside of the spring sleeve is hollow, the top and the bottom of the spring sleeve are provided with openings, the metal rope passes through the upper end and the lower end of the spring sleeve, and is easy to be entangled with each other when in work.
In one embodiment of the invention, the plastic plate is fixedly connected to the inner wall of the top of the expansion bag, the plastic plate is disc-shaped, the valve tank is cylindrical, and the plastic plate is fixedly connected with the metal rope.
In one embodiment of the invention, the through hole of the valve plate is fixedly connected with the air receiving plate, the air receiving plate is arranged in a bending shape, the bending direction faces the outlet pipe, the upper half part of the air receiving plate is semicircular and is fixedly connected with the inner wall of the through hole, when the valve plate is pushed by steam to move upwards to align part of the through hole with the air inlet pipe, oxygen can flow through the through hole at the moment, and under the action of the bending air receiving plate, the flowing oxygen can give the air receiving plate an upward force, so that the ascending and opening process of the valve plate is assisted, the incomplete opening effect of the through hole is reduced, and the same oxygen transmission rate of each time is ensured.
In one embodiment of the invention, two butt joint covers are fixedly connected in the control box, the two butt joint covers are symmetrically arranged by taking a valve plate as a symmetry axis, a convex sealing frame is fixedly connected on the surface of the valve plate, the opposite surfaces of the two butt joint covers are both in sliding connection with the surface of the sealing frame, and when the control box is in operation, the sealing frame and the butt joint covers are in sliding connection, so that the tightness of the process of oxygen passing through the control box is ensured, and the loss of oxygen in the switching process is reduced.
In one embodiment of the invention, the top of the valve plate is fixedly connected with a counterweight seat, the top of the counterweight seat penetrates through the top of the control box and is in sliding connection with the control box, the top of the counterweight seat is arranged in a bending mode, when the device is in operation, after the oxygen lance and the integral control box are moved out of the furnace door, the topmost part of the counterweight seat is close to the edge of the furnace door, and the bending counterweight seat is contacted with the furnace door along with the movement of the device, so that the counterweight seat is pressed down, the valve plate is extruded to be reset and closed, and by the arrangement, the oxygen lance is in a closed state after the device is moved out of the furnace door, and the consumption of oxygen is further reduced.
Compared with the prior art, the technical scheme of the invention has the following advantages:
according to the oxygen lance device, the oxygen lance is segmented through the arrangement of the control box, the two sections of oxygen lances are respectively connected with the air inlet pipe and the air outlet pipe, when the oxygen lance device supplies oxygen in a furnace, the oxygen lance is required to extend into the electric furnace, the whole control box is inserted into the oxygen lance device, the temperature in the electric furnace is slowly sensed through the temperature sensing assembly, when the temperature rises to reach a preset value, the temperature sensing assembly controls the valve to be opened, the air outlet pipe and the oxygen lance of the air inlet pipe are communicated with each other, oxygen can be normally conveyed, and when the temperature rises continuously, the temperature sensing assembly controls the valve assembly to seal the air inlet pipe and the air outlet pipe, so that oxygen input is blocked;
through the setting of valve jar, firstly fill right amount water source in to the expansion tank through the inlet tube, after the control box wholly inserts the furnace gate, the water source is the rapid heating gasification under high temperature effect, the temperature in the electric stove is up to hundreds of thousands degrees, can make the water source gasification fast, let the expansion tank expand and push up after the gasification, thereby push up the drive seat, control valve subassembly is opened, let oxygen begin to carry, when needing to block oxygen, open the blast pipe, let inside steam discharge, let expansion tank and drive seat sink, just can let the drive seat sink, let valve subassembly close, block oxygen, after the operation is finished, supplement the water source in the expansion tank through the inlet tube, through this kind of steam drive mode, not only promote dynamics enough strong, and stable in structure is simple, the emergence of trouble has been reduced.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a perspective view of a valve plate and valve can of the present invention;
FIG. 4 is a cross-sectional view of the valve can of the present invention with the valve can upside down;
FIG. 5 is a cross-sectional view of the inflation bladder and switching hub of the present invention;
FIG. 6 is a cross-sectional view of a switch seat of the present invention;
description of the specification reference numerals: 1. a control box; 2. a fixing frame; 3. an outlet tube; 4. an air inlet pipe; 6. a valve tank; 7. a water inlet pipe; 8. an exhaust pipe; 9. a butt joint cover; 10. a valve plate; 11. a through hole; 12. a counterweight seat; 13. a wind receiving plate; 14. a sealing frame; 15. a switching seat; 16. an inflation bladder; 17. a driving seat; 18. a metal rope; 19. a spring sleeve; 20. shaping plate; 21. a clamping seat; 22. a one-way pressure valve; 23. an exhaust groove; 24. an air inlet groove; 25. a butt joint pipe; 26. a one-way valve; 27. a sliding block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
Referring to figures 1 to 2, the oxygen consumption control device of the oxygen gun of the electric furnace door comprises a control box 1, wherein the interior of the control box 1 is hollow, the front end of the control box 1 is provided with an air inlet pipe 4 connected with the oxygen gun, the rear end of the control box 1 is provided with an outlet pipe 3 connected with the oxygen gun, a plurality of fixing frames 2 are fixedly connected between the outlet pipe 3 and the air inlet pipe 4 and the control box 1, the outlet pipe 3 and the air inlet pipe 4 are communicated with the interior of the control box 1, the interior of the control box 1 is provided with a temperature sensing component and a valve component, the valve component is used for controlling the communication of the air inlet pipe 4 and the outlet pipe 3, the temperature sensing component is used for measuring the temperature in the furnace and controlling the opening and closing of the valve component, when the electric furnace door works, the oxygen gun needs to be inserted into the electric furnace to spray oxygen, but the time of oxygen spraying is not good, the oxygen valve is always opened before insertion, so that not only can substances in the furnace not be fully combusted, but also oxygen waste can be easily caused, and the oxygen transportation needs to be judged according to the state in the furnace, the control of an external electromagnetic valve is performed, so that the problems that the program is complex and the condition in the furnace cannot be accurately judged are solved, the oxygen gun is segmented through the arrangement of the control box 1, the two sections of the oxygen gun are respectively connected with the air inlet pipe 4 and the air outlet pipe 3, when the oxygen gun is fed into the furnace, the oxygen gun is generally required to be stretched into the electric furnace, the whole control box 1 is inserted into the electric furnace, the temperature in the electric furnace is slowly sensed through the temperature sensing assembly, the temperature sensing assembly controls the valve to be opened, the air outlet pipe 3 and the oxygen gun of the air inlet pipe 4 are mutually communicated, the oxygen can be normally transported, the temperature sensing assembly controls the valve assembly to seal the air inlet pipe 4 and the air outlet pipe 3 along with the continuous rising of the temperature, thus blocking the input of oxygen, through this kind of setting, need not the manual regulation and control oxygen and carry, only need open the oxygen always and control the switching through valve assembly, realized oxygen and carried the function of automatic opening and timing closing after the oxygen rifle inserts.
Referring to fig. 1 to 4, the temperature sensing assembly includes valve jar 6, valve jar 6 rigid coupling is in the bottom of control box 1, the inside of valve jar 6 is hollow setting, the inside of valve jar 6 is provided with expansion bag 16 by the bottom, expansion bag 16 is high temperature resistant elastic material, the top of valve jar 6 is the opening setting, the top sliding connection of valve jar 6 has driving seat 17, driving seat 17 is connected with the valve assembly, the bottom rigid coupling of valve jar 6 has switching seat 15, switching seat 15's bottom rigid coupling has blast pipe 8 and inlet tube 7 that are arranged in the exhaust pressure release, and during operation, if use electrical apparatus to carry out the temperature sensing, break down or damage easily after long-term use, through valve jar 6's setting, firstly fill right amount of water source in to expansion bag 16 through inlet tube 7, after control box 1 wholly inserts the furnace gate, and heat up fast in the gasification under high temperature effect, the temperature is high to hundreds of thousands of water source, can make the expansion bag 16 expand upwards to make the gasification back to drive seat 17, thereby control valve seat 17 to the top, and the oxygen is sunken seat 17, and the oxygen is controlled to open the oxygen demand, and the oxygen is blocked down in the expansion bag 16, and the oxygen is opened through the oxygen demand, and the oxygen demand is opened to the oxygen demand to the oxygen is opened, and the oxygen demand is reduced, the oxygen is opened and the oxygen demand is opened to the oxygen is stable, the oxygen is opened and the oxygen demand to be opened, and the oxygen is opened.
Referring to fig. 2 to 4, the valve assembly includes a valve plate 10, the valve plate 10 is vertically slidably connected with the inside of the control box 1, the valve plate 10 is located between the air inlet pipe 4 and the outlet pipe 3, the driving seat 17 is fixedly connected with the bottom of the valve plate 10, the front end of the valve plate 10 is provided with a through hole 11, in a normal state, the air inlet pipe 4 and the outlet pipe 3 are blocked by the valve plate 10 and cannot be communicated when the driving seat 17 is lifted, the valve plate 10 is lifted upwards, the position of the through hole 11 is aligned with the air inlet pipe 4 and the outlet pipe 3, oxygen can be conveyed, and when the driving seat 17 is sunk, the driving seat 17 is automatically sunk under the action of gravity to block the air inlet pipe 4 and the outlet pipe 3, thereby realizing the effects of communicating oxygen and blocking oxygen.
Referring to fig. 4 to 6, an air inlet 24 and an air outlet 23 are formed in the switching seat 15, a clamping seat 21 is fixedly connected to one end of the air inlet 24, which is close to the expansion bag 16, and is fixedly connected to the outer edge of the expansion bag 16, a butt joint pipe 25 is communicated between the air outlet 23 and the air inlet 24, a switching component is arranged in the butt joint pipe 25 and is used for controlling the opening and closing of the butt joint pipe 25, a one-way pressure valve 22 is fixedly connected to the bottom of the air inlet 24, when the expansion bag 16 is required to be supplemented with water, the water source breaks through the one-way pressure valve 22 to enter the expansion bag 16 through pressurizing the water inlet pipe 7, and when steam is required to be discharged outwards, the butt joint pipe 25 is opened through the switching component, so that the steam enters the exhaust pipe 8 through the butt joint pipe 25, and the effect of no interference between the air exhaust and the water inlet is achieved.
Referring to fig. 4 to 6, the switching assembly includes a metal rope 18, one end of the docking tube 25, which is close to the air inlet slot 24, is slidably connected with a slider 27, two elastic members are fixedly connected between the slider 27 and the docking tube 25, one end of the docking tube 25, which is close to the air outlet slot 23, is fixedly connected with a one-way valve 26, one end of the metal rope 18 is fixedly connected with the surface of the slider 27, and the other end of the metal rope 18 is fixedly connected with the inner top of the expansion bag 16.
Referring to fig. 4 to 5, the top of the clamping seat 21 is fixedly connected with a spring sleeve 19, the spring sleeve 19 is made of elastic metal material, the inside of the spring sleeve 19 is hollow, the top and the bottom are provided with openings, the metal rope 18 passes through the upper end and the lower end of the spring sleeve 19, when the metal rope 18 works, the metal rope 18 is not restrained and is easy to cause mutual entanglement, through the arrangement of the spring sleeve 19, when the metal rope 18 is in a loose state, under the elastic potential energy of the spring sleeve 19, the spring sleeve 19 is curled by itself, so that the metal rope 18 penetrating inside is coiled, when the expansion bag 16 expands, the metal rope 18 is pulled, the spring sleeve 19 deforms upwards, and because the bottom of the spring sleeve 19 is fixedly connected with the clamping seat 21, the friction force between the inner wall of the spiral curled spring sleeve 19 and the metal rope 18 is huge, and only when the spring sleeve 19 deforms to be unable to deform, the metal rope 18 can move the slider 27 below, so that steam is discharged, and the function of winding the metal rope 18 is realized.
Referring to fig. 4 to 5, the inner wall of the top of the expansion bag 16 is fixedly connected with a shaping plate 20, the shaping plate 20 is disc-shaped, the valve tank 6 is cylindrical, the shaping plate 20 is fixedly connected with the metal rope 18, and in operation, the force of upward expansion of the expansion bag 16 can be ensured by arranging the shaping plate 20 at the top of the expansion bag 16, and the force directly acts on the shaping plate 20 at the top end of the expansion bag 16, so that the central depression of the expansion bag 16 is not caused by pulling of the metal rope 18, and the problem of unstable pushing of the driving seat 17 is caused.
Referring to fig. 2 to 3, the through hole 11 of the valve plate 10 is fixedly connected with the air receiving plate 13, the air receiving plate 13 is in a bent shape, the bending direction faces the outlet pipe 3, the upper half part of the air receiving plate 13 is in a semicircular disc shape and is fixedly connected with the inner wall of the through hole 11, when the valve plate 10 is pushed by steam to move upwards to align part of the through hole 11 with the air inlet pipe 4 during operation, oxygen flows through the through hole 11 at the moment, and under the action of the bent air receiving plate 13, the flowing oxygen can provide an upward force for the air receiving plate 13, so that the ascending and opening process of the valve plate 10 is assisted, the defect of the expansion force of the steam in the later stage is reduced, the incomplete opening effect of the through hole 11 is caused, and the same rate of oxygen transmission each time is ensured.
Referring to fig. 2 to 3, two docking hoods 9 are fixedly connected in the control box 1, the two docking hoods 9 are symmetrically arranged by taking a valve plate 10 as a symmetry axis, a convex sealing frame 14 is fixedly connected on the surface of the valve plate 10, opposite surfaces of the two docking hoods 9 are both in sliding connection with the surface of the sealing frame 14, and when the control box is in operation, the sealing frame 14 and the docking hoods 9 are in sliding connection, so that the process tightness of oxygen passing through the control box 1 is ensured, and the loss of oxygen in the switching process is reduced.
Referring to fig. 1 to 2, the top of the valve plate 10 is fixedly connected with a counterweight seat 12, the top of the counterweight seat 12 penetrates through the top of the control box 1 and is slidably connected with the control box 1, the top of the counterweight seat 12 is in a bent shape, when the device is in operation, after steam is discharged, along with the movement of the oxygen lance and the whole control box 1 out of the furnace door, the topmost part of the counterweight seat 12 is close to the edge of the furnace door, along with the movement of the device, the bent counterweight seat 12 is contacted with the furnace door, so that the counterweight seat 12 is pressed down, the valve plate 10 is extruded to be reset and sealed, and through the arrangement, the oxygen lance is in a sealed state after the device is moved out of the furnace door, and the consumption of oxygen is further reduced.
When the oxygen gun is used for supplying oxygen in the electric furnace, the oxygen gun is generally required to be stretched into the electric furnace, the whole control box 1 is also inserted into the electric furnace, the temperature in the electric furnace is slowly sensed through the temperature sensing component, the temperature sensing component controls the valve to be opened when the temperature rises to reach a preset value, the outlet pipe 3 and the oxygen gun of the air inlet pipe 4 are communicated with each other, oxygen can be normally conveyed, the temperature sensing component controls the valve component to seal the air inlet pipe 4 and the outlet pipe 3 when the temperature continues to rise, so that the input of oxygen is blocked; through the arrangement of the valve tank 6, a proper amount of water source is filled into the expansion bag 16 through the water inlet pipe 7, after the control box 1 is integrally inserted into the furnace door, the water source is quickly heated and gasified under the action of high temperature, the water source can be quickly gasified, the expansion bag 16 is expanded to be upwards jacked after gasification, the driving seat 17 is upwards jacked, the valve assembly is controlled to be opened, oxygen starts to be conveyed, when oxygen is required to be blocked, the exhaust pipe 8 is opened, internal steam is discharged, the expansion bag 16 and the driving seat 17 are sunk, the driving seat 17 is sunk, the valve assembly is closed, oxygen is blocked, and after one-time operation is finished, the water source is supplemented into the expansion bag 16 through the water inlet pipe 7, and by adopting the steam driving mode, the driving force is strong enough, the structure is stable and simple, and the occurrence of faults is reduced; under normal state, the air inlet pipe 4 and the outlet pipe 3 are blocked by the valve plate 10 and cannot be communicated, when the driving seat 17 is propped up, the valve plate 10 is propped up, the position of the through hole 11 and the air inlet pipe 4 are aligned with the outlet pipe 3, oxygen can be conveyed, when the driving seat 17 is sunk, the driving seat 17 is sunk by itself under the action of gravity, and the air inlet pipe 4 and the outlet pipe 3 are blocked, so that the effects of communicating oxygen and blocking oxygen are realized; when the expansion bag 16 needs to be supplemented with water source, the water source breaks through the one-way pressure valve 22 to enter the expansion bag 16 along with the pressure increase by pressurizing the water inlet pipe 7, and when the steam needs to be discharged outwards, the butt joint pipe 25 is opened through the switching component, so that the steam enters the exhaust pipe 8 through the butt joint pipe 25, and the effect that the exhaust and the water inlet are not interfered with each other is achieved; with the increase of the time for the control box 1 to enter the furnace, the steam amount gradually increases as the water source is quickly evaporated, the expansion bag 16 extrudes the height of the driving seat 17 to lift, so that the metal rope 18 is pulled upwards to the limit, the metal rope 18 can pull the sliding block 27 upwards, the butt joint pipe 25 is opened, the steam is poured out, and in the tilting process, the flowing steam can prop the sliding block 27, so that the steam can be continuously released, the driving seat 17 and the valve plate 10 can normally fall, the blocking effect of the communication of pure mechanical driving oxygen is realized, the participation of electrical elements is not needed, the failure rate is reduced, and the problem that equipment cannot be used due to the damage of electrical appliances caused by the high temperature in the furnace is avoided; the metal rope 18 is not restrained and is easy to be entangled with each other, through the arrangement of the spring sleeve 19, when the metal rope 18 is in a loose state, the spring sleeve 19 is curled automatically under the elastic potential energy of the spring sleeve 19, so that the metal rope 18 penetrating through the inside is coiled, when the expansion bag 16 is expanded, the spring sleeve 19 is deformed upwards, and as the bottom of the spring sleeve 19 is fixedly connected with the clamping seat 21, the friction force between the inner wall of the spiral curled spring sleeve 19 and the metal rope 18 is huge, and only when the spring sleeve 19 is deformed to be unable to be deformed, the metal rope 18 can drag the sliding block 27 below to discharge steam, so that the function of winding the metal rope 18 is realized; by arranging the molding plate 20 at the top of the expansion bag 16, the upward expansion force of the expansion bag 16 can be ensured, and the molding plate 20 at the top of the expansion bag 16 can be directly acted on, so that the problem that the center of the expansion bag 16 is concave due to the fact that the metal rope 18 is pulled, and the process of pushing the driving seat 17 is not stable enough can be solved; when the valve plate 10 is pushed by steam to move upwards to enable part of the through holes 11 to be aligned with the air inlet pipe 4, oxygen flows through the through holes 11 at the moment, and under the action of the bent air receiving plate 13, the flowing oxygen can give upward force to the air receiving plate 13, so that the ascending and opening process of the valve plate 10 is assisted, the defect of insufficient steam expansion in the later stage is reduced, the incomplete opening effect of the through holes 11 is caused, and the same speed of oxygen transmission each time is ensured; the sliding connection of the sealing frame 14 and the butt joint cover 9 ensures the tightness of the oxygen passing through the control box 1 and reduces the loss of oxygen in the switching process; after steam is discharged, along with the oxygen rifle and after whole control box 1 shifts out the furnace gate, let the top of counter weight seat 12 be close to the furnace gate edge, along with the removal of equipment, buckle shape counter weight seat 12 can contact with the furnace gate to push down counter weight seat 12, and then extrude valve board 10 and reset and seal, through this kind of setting, guaranteed that after the equipment shifted out the furnace gate, the oxygen rifle was in the closed state, further reduced the consumption of oxygen.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (10)
1. An oxygen consumption control device of an oxygen gun of an electric furnace door is characterized in that: including control box (1), the inside of control box (1) is hollow setting, the front end of control box (1) is provided with intake pipe (4) of connecting the oxygen rifle, the rear end of control box (1) is provided with outlet pipe (3) of connecting the oxygen rifle, rigid coupling has many mounts (2) between outlet pipe (3) and intake pipe (4) all and control box (1), outlet pipe (3) and intake pipe (4) all communicate with control box (1) inside, the inside of control box (1) is provided with temperature sensing subassembly and valve subassembly, valve subassembly is used for controlling the intercommunication of intake pipe (4) and outlet pipe (3) whether, temperature sensing subassembly is used for measuring the temperature in the stove to control valve subassembly opens and closes.
2. The oxygen consumption control device of an electric furnace door oxygen lance according to claim 1, wherein: the temperature sensing subassembly includes valve jar (6), the bottom at control box (1) is fixed connection to valve jar (6), the inside of valve jar (6) is hollow setting, the inside of valve jar (6) is provided with expansion bag (16) by the bottom, expansion bag (16) are high temperature resistant elastic material, the top of valve jar (6) is the opening setting, the top sliding connection of valve jar (6) has driving seat (17), driving seat (17) are connected with the valve subassembly, the bottom rigid coupling of valve jar (6) has switching seat (15), the bottom rigid coupling of switching seat (15) has blast pipe (8) and inlet tube (7) that are used for the exhaust pressure release.
3. The oxygen consumption control device of an electric furnace door oxygen lance according to claim 2, wherein: the valve assembly comprises a valve plate (10), the valve plate (10) is vertically and slidably connected with the inside of the control box (1), the valve plate (10) is positioned between the air inlet pipe (4) and the outlet pipe (3), the driving seat (17) is fixedly connected with the bottom of the valve plate (10), and the front end of the valve plate (10) is provided with a through hole (11).
4. The oxygen consumption control device of an electric furnace door oxygen lance according to claim 2, wherein: the inside of switching seat (15) has seted up inlet channel (24) and exhaust groove (23) of vertical state, inlet channel (24) are close to the one end rigid coupling of expansion bag (16) and have cassette (21), cassette (21) and expansion bag (16) outward flange rigid coupling, the intercommunication has butt joint pipe (25) between exhaust groove (23) and inlet channel (24), be provided with the switching component in butt joint pipe (25), the switching component is used for controlling opening and closing of butt joint pipe (25), the bottom rigid coupling of inlet channel (24) has one-way pressure valve (22).
5. The oxygen consumption control device for an electric furnace door oxygen lance of claim 4, wherein: the switching assembly comprises a metal rope (18), one end of a butt joint pipe (25) close to an air inlet groove (24) is slidably connected with a sliding block (27), two elastic pieces are fixedly connected between the sliding block (27) and the butt joint pipe (25), one end of the butt joint pipe (25) close to an air exhaust groove (23) is fixedly connected with a one-way valve (26), one end of the metal rope (18) is fixedly connected with the surface of the sliding block (27), and the other end of the metal rope (18) is fixedly connected with the inner top of an expansion bag (16).
6. The oxygen consumption control device of an electric furnace door oxygen lance of claim 5, wherein: the top rigid coupling of cassette (21) has spring housing (19), spring housing (19) are elastic metal material, the inside of spring housing (19) is hollow setting, and top and bottom are the opening setting, upper and lower both ends of spring housing (19) are passed in metal rope (18).
7. The oxygen consumption control device of an electric furnace door oxygen lance of claim 6, wherein: the top inner wall of the expansion bag (16) is fixedly connected with a shaping plate (20), the shaping plate (20) is arranged in a disc shape, the valve tank (6) is arranged in a cylinder shape, and the shaping plate (20) is fixedly connected with a metal rope (18).
8. A fire door oxygen lance oxygen consumption control apparatus for an electric furnace according to claim 3, wherein: the air receiving plate (13) is fixedly connected in the through hole (11) of the valve plate (10), the air receiving plate (13) is arranged in a bending mode, the bending direction faces the outlet pipe (3), and the upper half part of the air receiving plate (13) is in a semicircular disc shape and is fixedly connected with the inner wall of the through hole (11).
9. The oxygen consumption control device of an electric furnace door oxygen lance of claim 8, wherein: the inside rigid coupling of control box (1) has two butt joint covers (9), and two butt joint covers (9) are symmetrical setting with valve board (10) as the symmetry axis, the surface rigid coupling of valve board (10) has protruding form sealing frame (14), and the opposite face of two butt joint covers (9) all is connected with sealing frame (14) surface sliding.
10. The oxygen consumption control device of an electric furnace door oxygen lance of claim 9, wherein: the top rigid coupling of valve board (10) has counter weight seat (12), the top of counter weight seat (12) runs through the top of control box (1) and with control box (1) sliding connection, the top of counter weight seat (12) is the setting of buckling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310386538.XA CN116294662A (en) | 2023-04-12 | 2023-04-12 | Oxygen consumption control device for oxygen gun of electric furnace door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310386538.XA CN116294662A (en) | 2023-04-12 | 2023-04-12 | Oxygen consumption control device for oxygen gun of electric furnace door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116294662A true CN116294662A (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310386538.XA Withdrawn CN116294662A (en) | 2023-04-12 | 2023-04-12 | Oxygen consumption control device for oxygen gun of electric furnace door |
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| Country | Link |
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| CN (1) | CN116294662A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203559072U (en) * | 2013-11-01 | 2014-04-23 | 江苏华菱锡钢特钢有限公司 | Oxygen lance device of electric furnace |
| CN211371427U (en) * | 2020-01-03 | 2020-08-28 | 珠海创安电子科技有限公司 | Gas valve of wireless monitoring |
| CN112815523A (en) * | 2021-02-02 | 2021-05-18 | 夏鹏 | Energy-saving natural gas stove |
-
2023
- 2023-04-12 CN CN202310386538.XA patent/CN116294662A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203559072U (en) * | 2013-11-01 | 2014-04-23 | 江苏华菱锡钢特钢有限公司 | Oxygen lance device of electric furnace |
| CN211371427U (en) * | 2020-01-03 | 2020-08-28 | 珠海创安电子科技有限公司 | Gas valve of wireless monitoring |
| CN112815523A (en) * | 2021-02-02 | 2021-05-18 | 夏鹏 | Energy-saving natural gas stove |
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Application publication date: 20230623 |