CN101020939A - Method of and device for setting carbon, temperature and oxygen detecting probe in steel making converter - Google Patents
Method of and device for setting carbon, temperature and oxygen detecting probe in steel making converter Download PDFInfo
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- CN101020939A CN101020939A CN 200710051716 CN200710051716A CN101020939A CN 101020939 A CN101020939 A CN 101020939A CN 200710051716 CN200710051716 CN 200710051716 CN 200710051716 A CN200710051716 A CN 200710051716A CN 101020939 A CN101020939 A CN 101020939A
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Abstract
The present invention discloses method of and device for setting carbon, temperature and oxygen detecting probe in steel making converter. Carbon, temperature and oxygen detecting probe is set into steel making converter obliquely via the material feeding pipe in the sealing fume hood. The device includes a frame, a probe bin, a paper tube turning tank, a paper tube guiding board, a paper tube pusher, a probe guide pipe, and a paper tube holder. The present invention has low cost, simple operation and easy application in automatic smelting process, and may be applied in replacing available detection.
Description
Technical field
The present invention relates to the detection technique of in the converter steelmaking molten steel being carried out thermometric, deciding carbon, decide oxygen, refer to a kind of put-on method and device thereof of steel-making converter carbon, temperature and oxygen detecting probe particularly.
Background technology
In the production process of converter steelmaking, the technical indicator of technical indicators, particularly endpoint molten steel such as the temperature of the accurate detection of needs converter molten pool molten steel, carbon content, oxygen level is to guarantee the quality of final steel product.Traditional detection method is to be under the situation of plumbness in converter, it is rotated flat falling down, and manual operation is taken a sample to molten steel, measures temperature, carbon content and the oxygen level of sampling molten steel by detection probe, determine the endpoint technique index of molten steel in view of the above, thereby obtain to tap accurately foundation.But there is following drawback in this method: one, converter is put down, and spatter slag, flame easily, work under bad environment had both increased working strength of workers, had influence on workman's life safety again; Its two, under the nervous rhythm situation that sequence casting is produced, once needed to waste time 3～5 minutes owing to whenever fall stove, thereby prolonged the smelting cycle of converter, be unfavorable for the tissue of rhythm of production, and then influence the output of steel; Its three, the detection method of falling the stove has very big negative impact to the control of consumption of raw materials, endpoint molten steel index, has both reduced the quality of steel, has formed the converter bottleneck of steel-making automatically again, does not break through it, the follow-up work of automatization in steel-making be difficult to perfect.
In view of the above-mentioned artificial existing all deficiencies of the detection method of falling the stove, the scientific research personnel has designed the sublance that is arranged in parallel with the oxygen rifle, by the sublance that inserts steel-making converter sealing petticoat pipe top detection probe is vertically put into the measurement of carrying out temperature, carbon content, oxygen level in the molten steel, thereby instruct the tapping of control terminal point.Sublance detects in the steel-making industry and belongs to advanced endpoint Detection, and the drawback that it has effectively overcome the artificial detection of falling the stove can significantly improve the automated process of converter steelmaking.Yet, at present domestic have only the big section steel works of several families such as Wuhan Iron and Steel Plant, Baosteel etc. to adopt the sublance detection technique, this is because the space of sublance equipment is very big, settle sublance both to need the space of mammoth conveter fire door top, the space that needs the converter next door again, generally speaking, have only the steel-making converter more than 150～200 tons that sublance can be installed, and domestic steel-making converter on the high side below 150 tons, a lot of steelworkss are subjected to the restriction of converter specification not possess the space and the place of settling sublance equipment, thereby have only and continue to adopt the artificial detection method of falling the stove that falls behind.In addition, the investment of sublance equipment, maintenance and use cost are high, and a cover sublance equipment approximately needs about 2,000 ten thousand input, about 4,000,000 maintenance and use cost, and this also loses more than gain for medium and small converter.How simply, render in the molten steel quickly and accurately, with detection probe thus realize endpoint molten steel carbon effectively, the measurement of index such as temperature, oxygen become a difficult problem in the medium and small converter steelmaking automated process.
Summary of the invention
Purpose of the present invention be exactly cheap, the simple to operate practicality of a kind of cost of investment will be provided, be easy to the smelting process automatization the steel-making converter carbon, temperature and oxygen detecting probe put-on method and for realizing the custom-designed steel-making converter carbon, temperature and oxygen detecting probe of this method automatic release device.Adopt the present invention can replace simple and crude detection of falling the stove or expensive sublance detection method and equipment, and guarantee that the steady quality of converter terminal molten steel is reliable.
For achieving the above object, scientific research personnel of the present invention is through further investigation, experiment repeatedly, discovery can be thrown in the detection probe except vertical the communicating of molten steel in the opening of steel-making converter sealing petticoat pipe top and the converter, and also there is a feeding tube that is communicated with molten steel oblique bending in the converter in the side that seals petticoat pipe at steel-making converter.Because the narrow space around this feeding tube, piping gather, add the high heat of long term high temperature, dust from flying, dim unglazed severe environment, the staff almost nobody shows any interest in except using it when feeding in raw material operation, that can not expect more that it and molten steel technical indicator detect gets in touch, but this feeding tube can be used as the input passage of detection probe really.
According to above-mentioned thinking, the put-on method of the steel-making converter carbon, temperature and oxygen detecting probe that the present invention is designed is that carbon, temperature and oxygen detecting probe is tilted to put in the molten steel in the steel-making converter by the feeding tube on the sealing petticoat pipe of steel-making converter.Described carbon, temperature and oxygen detecting probe can drop into the angle of inclination that is complementary with feeding tube by various device for projecting, but preferably through a linearity probe guide pipe that is obliquely installed in feeding tube, by its good guide effect carbon, temperature and oxygen detecting probe is accurately put into predetermined molten steel position, to reduce measuring error as far as possible.
Further, described carbon, temperature and oxygen detecting probe is that the original projection angle of benchmark can be provided with according to the inclined degree of feeding tube with the horizontal plane, this original projection angle generally designs in 40～80 ° scope, preferred original projection angle design is between 50～70 °, best original projection angle is designed to 60 °, this the best original projection angle can guarantee that carbon, temperature and oxygen detecting probe falls near the central position of converter molten pool molten steel, thereby guarantees the success ratio that detects.
For realizing the custom-designed steel-making converter carbon, temperature and oxygen detecting probe of aforesaid method automatic release device, the frame that comprises the feeding tube next door on the sealing petticoat pipe that is arranged on steel-making converter, be provided with the probe storehouse above the described frame, in the described probe storehouse horizontally disposed from bottom to top have several the probe paper web, be provided with in the described probe paper web and can rely on the carbon, temperature and oxygen detecting probe that skids off of deadweight, described carbon, temperature and oxygen detecting probe links to each other with signal wire socket in being installed in the probe paper web by signal wire;
The paper web turning groove that the exit, below is provided with and the paper web of popping one's head in is arranged in parallel in described probe storehouse, the two ends and the frame of described paper web turning groove are hinged, the tailpiece of the piston rod of the groove body of described paper web turning groove and a upset cylinder is hinged, and the tail end and the frame of described upset cylinder are hinged;
One side of described paper web turning groove is provided with the paper web guide plate of layout in parallel, the opposite side of described paper web guide plate is provided with and pushes away groove on the paper web, the end and the frame that push away groove on the described paper web are hinged, it is hinged to push away the tailpiece of the piston rod that pushes away cylinder on the groove body and of groove on the described paper web, the tail end and the frame that push away cylinder on described are hinged, the other end that pushes away groove on the described paper web is provided with the paper web that can cooperate with the grafting of probe paper web and controls device, described paper web is controlled and is provided with the signal wire plug of pegging graft and cooperating with signal wire socket in the device, and the afterbody that described paper web is controlled device links to each other with the tailpiece of the piston rod of controlling the device cylinder;
Push away the hinged end arranged outside of groove and frame on the described paper web and have to tilt to be installed on the frame, and can put in or the probe guide pipe of the feeding tube that contracts, the top of described probe guide pipe links to each other by the tailpiece of the piston rod of wireline with the guide pipe cylinder, angle of inclination when pushing away groove on the described paper web and rotating up the final position equates with the mounting inclination angle degree of probe guide pipe, and the lower end that pushes away groove on the paper web is relative with the mouth of pipe of probe guide pipe, and both are on the same axis.
The horizontal mounting inclination angle degree of described probe guide pipe is corresponding with the original projection angle of carbon, temperature and oxygen detecting probe, generally design in 40～80 ° scope, preferred horizontal mounting inclination angle degree is between 50～70 °, and best horizontal mounting inclination angle degree is 60 °.
The invention has the advantages that: designed carbon, temperature and oxygen detecting probe put-on method is off the beaten track on thinking, and the feeding tube that utilizes the bright converter of paying attention to for the technician to seal on the petticoat pipe is thrown in passage as probe; The probe guide pipe that designed carbon, temperature and oxygen detecting probe automatic release device utilization is obliquely installed in feeding tube accurately leads to probe, and utilize the turning groove be organically combined, on push away the automatic input that groove and various driving cylinder are realized probe.Like this, not only changed traditional detection of falling the stove and sublance detection mode fully, and effectively avoided the existing all deficiencies of these two kinds of detection modes.Its disposable investment cost is few, has only 1/20th of sublance cost of investment; Its maintenance maintenance takes low, has only 1/10th of sublance maintenance maintenance expense; Its compact construction, various parts particularly drive severe environment such as the high temperature resistant high heat of cylinder, anti-dust, and stable equipment operation is reliable, long service life; It is simple and quick, is convenient to data gathering, and the level of automation height can accurately instruct production, and on-the-spot adaptability is good.It is not subjected to the restriction of the device space, can substitute sublance fully the converter terminal molten steel is detected.Test shows: use the present invention that carbon, temperature, the oxygen of molten steel in the converter are detected, can reach following effect intuitively:
One, stove is not fallen in the stokehold, directly taps, and can effectively shorten 3～5 minutes converter smelting cycles, has improved the throughput of converter steelmaking, can produce 4～6 stove steel every day more.
Two, reduced steelworker's labour intensity, reduced cost of labor, avoided falling stove, the material that collapses, spatter personal injury accident such as slag, making keeps the safety in production has obtained better assurance.
Three, two hit rates of converter smelting endpoint molten steel carbon content and temperature have been improved, after-blow, over-blowing phenomenon have effectively been controlled, various supplies consumptions have not only been reduced, and the inclusion in the molten steel is significantly reduced, improved the purity of molten steel, improved steel quality, every technical and economic requirements of converter is significantly improved.
Four, help organization of production management, especially for the medium and small converter of steel-making ability less than continuous casting throughput, it uses meaning bigger, the coupling of each production link is rationalized more, automatization.
Description of drawings
Fig. 1 is the placement position synoptic diagram of a kind of steel-making converter carbon, temperature and oxygen detecting probe automatic release device at converter sealing petticoat pipe place;
Fig. 2 is the main TV structure synoptic diagram of automatic release device shown in Figure 1 under armed state;
Fig. 3 is the main TV structure synoptic diagram of automatic release device shown in Figure 1 under commit condition;
Fig. 4 is the right TV structure synoptic diagram of automatic release device shown in Figure 1;
Fig. 5 is the A-A sectional structure synoptic diagram of Fig. 2;
Fig. 6 is the probe paper web of automatic release device shown in Figure 1 and the fit structure synoptic diagram that paper web is controlled device.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments:
Shown in the figure is a medium and small steel-making converter 26, the top of its sealing petticoat pipe 25 only is provided with aerobic rifle 29, do not settle the space of sublance, offer feeding tube 27 on the sidewall of sealing petticoat pipe 25, ingress's design of feeding tube 27 has and can automatically reset elasticity hit door 28, and steel-making converter carbon, temperature and oxygen detecting probe automatic release device of the present invention is installed in the oblique upper of feeding tube 27 accordingly.
This automatic release device comprises the frame 2 that fixing various parts are used, the probe storehouse 1 of a lower ending opening is installed above the frame 2, horizontally disposed from bottom to top in the probe storehouse 1 have one to arrange cylindric probe paper web 23, inside one end of probe paper web 23 is provided with the carbon, temperature and oxygen detecting probe 22 that can rely on deadweight to skid off, the inside the other end of probe paper web 23 is equipped with signal wire socket 30, and carbon, temperature and oxygen detecting probe 22 links to each other with signal wire socket 30 by the signal wire 24 that curls.Signal wire socket 30 is fixed in the probe paper web 23 by plastic base 32 in tubular construction, and its contacts electrode that links to each other with signal wire 24 is distributed on the tube wall, can certainly adopt other socket.Signal wire 24 should have enough length, when carbon, temperature and oxygen detecting probe 22 after slippage falls into the molten bath molten steel in probe paper web 23, can guarantee that still they link together like this, finishes the transmission of detection data.
Be provided with a paper web turning groove 3 that is arranged in parallel with probe paper web 23 at the lower ending opening place in probe storehouse 1, be used to accept the probe paper web 23 that falls from probe storehouse 1.The two ends of paper web turning groove 3 are hinged on the frame 2, can with respect to the horizontal plane overturn around its pair pin joint.Realize that the required motivating force of flip horizontal is from upset cylinder 6, the tailpiece of the piston rod of upset cylinder 6 is hinged with the stage casing groove body of paper web turning groove 3 by a binaural connector 8, and the tail end of upset cylinder 6 is hinged with a crossbeam on the frame 2 by a single binaural connector 7.
In a side of paper web turning groove 3 the paper web guide plate 4 of layout in parallel is installed, the opposite side of paper web guide plate 4 is provided with and pushes away groove 5 on the paper web, and the probe paper web 23 that rolls out from paper web turning groove 3 can fall into paper web by paper web guide plate 4 and push away groove 5.An end that pushes away groove 5 on the paper web is hinged on the frame 2, can rotate up with respect to vertical surface around its single pin joint.Realization rotate up required motivating force from push away cylinder 18, on push away cylinder 18 tailpiece of the piston rod hinged by the groove body that pushes away groove 5 on a single ears Connection Block 17 and the paper web, on to push away the tail end of cylinder 18 hinged with a lateral brace on the frame 2 by another single ears Connection Block 19.
The other end that pushes away groove 5 on paper web is equipped with a cylindric paper web and controls device 20, the external diameter that paper web is controlled device 20 can be inserted in the probe paper web 23 and with its shrink-fit, paper web is controlled and also is provided with a signal wire plug 31 of pegging graft and cooperating with tubulose signal wire socket 30 in the device 20, is furnished with on the signal wire plug 31 and signal wire socket 30 corresponding contacts electrodes.The telescopic drive power that paper web is controlled device 20 is controlled device cylinder 21 from its afterbody, controls device cylinder 21 and is installed in and pushes away on the paper web on the groove 5, and its tailpiece of the piston rod links to each other with the afterbody that paper web is controlled device 20.Control device 20 when paper web and controlling and be inserted into probe under the drive of device cylinder 21 when being fixed in the paper web 23, signal wire plug 31 also can be inserted in the signal wire socket 30 synchronously, realizes and being electrically connected of carbon, temperature and oxygen detecting probe 22.
Pushing away groove 5 and frame 2 hinged end arranged outside on paper web has the elasticity of aiming to hit door 28, can put in or the probe guide pipe 9 of the feeding tube 27 that contracts, probe guide pipe 9 tilts to be installed between top tumbler 15 and the bottom tumbler 16, top tumbler 15 and bottom tumbler 16 are installed on the bearing support 14, and 14 of bearing supports are fixed on the frame 2.The stationkeeping of top tumbler 15 and bottom tumbler 16, but can axial rotation, it is simple and reliable for structure, both can limit the travel direction of probe guide pipe 9, and the friction between the guide pipe 9 of can reducing and pop one's head in again makes its lifting smooth.The lifting power of probe guide pipe 9 is from wireline 10, one end of wireline 10 links to each other with the top of probe guide pipe 9, the other end of wireline 10 turns to the back to link to each other with the tailpiece of the piston rod of guide pipe cylinder 13 by fixed pulley 12, and the pulley support 11 and the guide pipe cylinder 13 of fixed pulley 12 can be installed on other fixed support.When pushing away groove 5 on the paper web and rotate up the final position, its final angle of inclination equates with the mounting inclination angle degree of probe guide pipe 9, and it is relative with the mouth of pipe of the guide pipe 9 of popping one's head in to push away the lower end of groove 5 on the paper web, and both are on the same axis.
The steel-making converter 26 of different size, angle of inclination of the feeding tube 27 of its sealing on petticoat pipe 25 is also different, thereby the horizontal mounting inclination angle degree of probe guide pipe 9 will adapt with it, roughly in 40～80 ° scope.For the steel-making converter below 150 tons, the preferred levels mounting inclination angle degree of probe guide pipe 9 is 50～70 °, and the optimum level mounting inclination angle degree that adopts in the present embodiment is 60 °.
In the time need carrying out Data Detection to the molten steel in the steel-making converter 26, the working process of above-mentioned automatic release device is such:
At first, start guide pipe cylinder 13, its piston rod stretches out, wireline 10 is in relaxed state, the slippage downwards under action of gravity of probe guide pipe 9, under the oriented effect of top tumbler 15 and bottom tumbler 16, rush open elasticity and hit door 28, accurately enter in the blanking pipeline 27, fall into behind the desired length slack;
Secondly, push cylinder 18 in the startup, its piston rod stretches out, push away groove 5 and be pushed into being equipped with on the paper web of probe paper web 23 horizontal by the position of 60 ° of angles, align with the conduit mouth of probe guide pipe 9, carbon, temperature and oxygen detecting probe 22 skids off in probe paper web 23 under action of gravity, drop in the molten steel in the steel-making converter 26 through probe guide pipe 9, begin to gather the data such as temperature, carbon content of molten steel, the data of being gathered are given coupled data handling system by signal wire 24, signal wire socket 30, signal wire plug 31 synchronous transmission;
Once more, data acquisition process finishes, and starts to control device cylinder 21, its piston rod withdrawal, paper web is controlled device 20 and interior signal wire plug 31 thereof pull out probe paper web 23, probe paper web 23 loses grip, slides in the steel-making converter 26 along probe guide pipe 9 under action of gravity;
Then, the withdrawal of the piston rod of last push cylinder 18 pushes away groove 5 and correspondingly is returned to level attitude on the paper web, meanwhile, guide pipe cylinder 13 retractions, wireline 10 pulling probe guide pipes 9 move up, and are returned to the original position and await orders;
Again, start upset cylinder 6, its piston rod stretches out, and paper web turning groove 3 rotates 90 °, and the probe paper web 23 in it is rolled out, and falls into through paper web guide plate 4 and pushes away groove 5 on the paper web;
At last, 6 withdrawals of upset cylinder, 90 ° of paper web turning groove 3 revolutions, another probe paper web 23 in the probe storehouse 1 falls in the paper web turning groove 3, meanwhile, controls device cylinder 21 and starts, its piston rod stretches out, paper web is controlled device 20 be inserted in the probe paper web 23, the signal wire plug 31 in it is also pegged graft with signal wire socket 30 and is cooperated, and enters next round and detects armed state.
More than the operation and the movement locus of various machineries all can realize that automatically it also is prior art that the molten steel data of being gathered are handled, and repeats no more in this by sophisticated circuit control techniques.
On steel-making converter, adopt device of the present invention that carbon, temperature and oxygen detecting probe (being called for short the TCO probe) is carried out automatic drop-test, and the endpoint molten steel data that TCO probe is detected compare with endpoint detection molten steel data behind the traditional stove, and its part detected result is the recorder of face as follows:
Detect data logger after detection data of the present invention and the traditional burner
| Melting number | Steel grade | End point carbon (%) | The terminal point temperature (℃) | Oxygen level (PPM) | ||||
| TCO | Behind the stove | Error | TCO | Behind the stove | Error | |||
| 2-10152 | Q195B | 0.100 | 0.075 | 0.025 | 1654 | 1656 | -2 | 295.3 |
| 2-10153 | Q195B | 0.067 | 0.073 | -0.006 | 1665 | 1672 | -7 | 422.6 |
| 2-10154 | Q195B | 0.060 | 0.070 | -0.010 | 1656 | 1662 | -6 | 466.5 |
| 2-10155 | Q235B | 0.070 | 0.088 | -0.018 | 1633 | 1635 | -2 | 392.8 |
| 2-10156 | Q235B | 0.125 | 0.127 | -0.002 | 1652 | 1657 | -5 | 223.3 |
| 2-10157 | Q235B | 0.088 | 0.087 | 0.001 | 1688 | 1687 | 1 | 329.7 |
| 2-10158 | Q235B | 0.100 | 0.088 | 0.012 | 1678 | 1675 | 3 | 286.7 |
| 2-10159 | Q235B | 0.089 | 0.098 | -0.009 | 1651 | 1652 | -1 | 314.9 |
| 2-10161 | Q235B | 0.091 | 1669 | 313.9 | ||||
| 2-10162 | Q235B | 0.074 | 0.076 | -0.002 | 1643 | 1643 | 0 | 372.5 |
| 2-10163 | Q235B | 0.175 | 0.177 | -0.002 | 1621 | 1626 | -5 | 154.5 |
| 2-10164 | Q195B | 0.097 | 1663 | 1665 | -2 | 292.4 | ||
| 2-10165 | Q195B | 0.049 | 0.068 | -0.019 | 1701 | 1685 | 16 | 597.5 |
| 2-10192 | Q195B | 0.056 | 1694 | 1700 | -6 | 524.5 | ||
| 2-10193 | Q195B | 0.058 | 0.064 | -0.006 | 1673 | 1678 | -5 | 495.0 |
| 2-10194 | Q195B | 0.060 | 0.077 | -0.017 | 1659 | 1661 | -2 | 466.7 |
| 2-10195 | Q195B | 0.074 | 0.069 | 0.005 | 1673 | 1669 | 4 | 387.4 |
| 2-10196 | Q195B | 0.061 | 0.074 | -0.013 | 1653 | 1657 | -4 | 461.9 |
| 2-10197 | Q195B | 0.042 | 0.065 | -0.023 | 1661 | 1666 | -5 | 667.2 |
| 2-10198 | Q195B | 0.076 | 0.0766 | -0.0006 | 1680 | 1675 | 5 | 377.5 |
| 2-10199 | Q195B | 0.077 | 0.0680 | 0.009 | 1659 | 368.5 | ||
| 2-10200 | Q195B | 0.080 | 0.0688 | 0.0112 | 1686 | 361.3 | ||
| 2-10201 | Q195B | 0.057 | 0.0536 | 0.0034 | 1687 | 1679 | 8 | 504.1 |
| 2-10202 | Q195B | 0.053 | 0.0621 | -0.0082 | 1663 | 1667 | -4 | 531.4 |
| 2-10203 | Q195B | 0.068 | 0.0660 | 0.002 | 1692 | 1692 | 0 | 432.1 |
| 2-10204 | Q195B | 0.054 | 0.0543 | -0.0003 | 1673 | 1674 | -1 | 527.2 |
| 2-10205 | Q195B | 0.056 | 0.0669 | -0.0109 | 1674 | 1673 | 1 | 512.0 |
| 2-10206 | Q195B | 0.062 | 0.0619 | 0.0001 | 1672 | 1682 | -10 | 460.3 |
| 2-10247 | Q195B | 0.059 | 0.062 | -0.003 | 1647 | 1650 | -3 | 471.3 |
| 2-10248 | Q195B | 0.048 | 0.057 | -0.009 | 1699 | 1693 | 6 | 608.7 |
| 2-10249 | Q195B | 0.041 | 0.045 | -0.004 | 1712 | 1708 | 4 | 721.7 |
| 2-10250 | Q195B | 0.054 | 0.065 | -0.011 | 1660 | 1657 | 3 | 518.3 |
| 2-10251 | Q195B | 0.057 | 0.069 | -0.012 | 1678 | 1677 | 1 | 562.4 |
| 2-10252 | Q195B | 0.032 | 0.038 | -0.006 | 1665 | 1665 | 0 | 894.0 |
In above-mentioned test, adopt automatic release device of the present invention scene to detect 36 heats, the TCO probe that wherein has 2 heats to throw in departs from fire door, do not contact with molten steel in the converter, do not have the data of detection, actual displayed detects valid data 34 times, and being detected as power is 94.4%.By analyzing top recorder as can be known:
For measured liquid steel temperature (℃) for the precision, survey in 34 data, 2 heats (melting 2-1015 2,2-10165) molten steel time of repose to occur not up to standard because of the operation reason, causes detecting data failure, rejected.Other has 3 stoves (melting 2-10161,2-10199,2-10200) rhythm anxiety, and terminal point is thermometric not, no comparative figure.In 29 remaining data, according to going the excellent principle of difference house, do not list maximum deviation-10 ℃ (melting 2-10206) and minimum deviation 0 ℃ (2-10162) in the statistics category, the middle-temperature error that calculates detected molten steel is+3.6 ℃,-3.9 ℃, in allowed limits.
For measured molten steel endpoint carbon content (%), survey in 34 data, remove the heat (melting 2-10161) of heat (melting 2-10152,2-10165) that 2 data lost efficacy and 1 rhythm anxiety, the not sampling of falling the stove, other has the heat of maximum deviation-0.023% (melting 2-10197) and minimum deviation 0.0001% (melting 2-10206) not list the statistics category in, the average terminal point carbon content error that calculates detected molten steel is+0.006%,-0.0075%, measuring calculated value is 92.6%, very approaching with reality.
For automatic release device of the present invention, its equipment is simple, easy to operate, stable, and reliable, the on-the-spot suitability of data transmission is good, can replace traditional detection of falling the stove and sublance detection method and equipment fully.
Claims (10)
1. the put-on method of a steel-making converter carbon, temperature and oxygen detecting probe is characterized in that: this put-on method is that carbon, temperature and oxygen detecting probe (22) is tilted to put in the molten steel in the steel-making converter (26) by the feeding tube (27) on the sealing petticoat pipe (25) of steel-making converter (26).
2. the put-on method of steel-making converter carbon, temperature and oxygen detecting probe according to claim 1 is characterized in that: described carbon, temperature and oxygen detecting probe (22) is put in the molten steel in the steel-making converter (26) by being obliquely installed probe guide pipe (9) in feeding tube (27).
3. the put-on method of steel-making converter carbon, temperature and oxygen detecting probe according to claim 1 and 2 is characterized in that: described carbon, temperature and oxygen detecting probe (22) is to put into horizontal by 40～80 ° original projection angle in the molten steel in the steel-making converter (26).
4. the put-on method of steel-making converter carbon, temperature and oxygen detecting probe according to claim 1 and 2 is characterized in that: described carbon, temperature and oxygen detecting probe (22) is to put into horizontal by 50～70 ° original projection angle in the molten steel in the steel-making converter (26).
5. the put-on method of steel-making converter carbon, temperature and oxygen detecting probe according to claim 1 and 2 is characterized in that: described carbon, temperature and oxygen detecting probe (22) is to put into horizontal by 60 ° original projection angle in the molten steel in the steel-making converter (26).
6. one kind is adopted the described method of claim 1 and custom-designed steel-making converter carbon, temperature and oxygen detecting probe automatic release device, comprises the frame (2) on feeding tube (27) next door on the sealing petticoat pipe (25) that is arranged on steel-making converter (26), it is characterized in that:
Be provided with probe storehouse (1) above the described frame (2), in the described probe storehouse (1) horizontally disposed from bottom to top have several the probe paper web (23), be provided with the carbon, temperature and oxygen detecting probe (22) that can rely on deadweight to skid off in the described probe paper web (23), described carbon, temperature and oxygen detecting probe (22) links to each other by signal wire (24) signal wire socket (30) interior with being installed in probe paper web (23);
The paper web turning groove (3) that the exit, below in described probe storehouse (1) is provided with and the paper web of popping one's head in (23) is arranged in parallel, the two ends of described paper web turning groove (3) and frame (2) are hinged, the tailpiece of the piston rod of the groove body of described paper web turning groove (3) and a upset cylinder (6) is hinged, and the tail end of described upset cylinder (6) and frame (2) are hinged;
One side of described paper web turning groove (3) is provided with the paper web guide plate (4) of layout in parallel, the opposite side of described paper web guide plate (4) is provided with and pushes away groove (5) on the paper web, the end and the frame (2) that push away groove (5) on the described paper web are hinged, it is hinged to push away the tailpiece of the piston rod that pushes away cylinder (18) on the groove body and of groove (5) on the described paper web, the tail end and the frame (2) that push away cylinder (18) on described are hinged, the other end that pushes away groove (5) on the described paper web is provided with the paper web that can cooperate with probe paper web (23) grafting and controls device (20), described paper web is controlled and is provided with the signal wire plug (31) of pegging graft and cooperating with signal wire socket (30) in the device (20), and the afterbody that described paper web is controlled device (20) links to each other with the tailpiece of the piston rod of controlling device cylinder (21);
Pushing away the hinged end arranged outside of groove (5) and frame (2) on the described paper web has to tilt to be installed in frame (2) and go up, and can put in or the probe guide pipe (9) of the feeding tube that contracts (27), the top of described probe guide pipe (9) links to each other with the tailpiece of the piston rod of guide pipe cylinder (13) by wireline (10), pushing away the angle of inclination of groove (5) when rotating up the final position on the described paper web equates with the mounting inclination angle degree of probe guide pipe (9), and the lower end that pushes away groove (5) on the paper web is relative with the mouth of pipe of probe guide pipe (9), and both are on the same axis.
7. steel-making converter carbon, temperature and oxygen detecting probe automatic release device according to claim 6 is characterized in that: described probe guide pipe (9) tilts to be installed between the top tumbler (15) and bottom tumbler (16) on the frame (2).
8. according to claim 6 or 7 described steel-making converter carbon, temperature and oxygen detecting probe automatic release devices, it is characterized in that: the horizontal mounting inclination angle degree of described probe guide pipe (9) is 40～80 °.
9. according to claim 6 or 7 described steel-making converter carbon, temperature and oxygen detecting probe automatic release devices, it is characterized in that: the horizontal mounting inclination angle degree of described probe guide pipe (9) is 50～70 °.
10. according to claim 6 or 7 described steel-making converter carbon, temperature and oxygen detecting probe automatic release devices, it is characterized in that: the horizontal mounting inclination angle degree of described probe guide pipe (9) is 60 °.
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| CNB2007100517164A CN100494410C (en) | 2007-03-22 | 2007-03-22 | Method of and device for setting carbon, temperature and oxygen detecting probe in steel making converter |
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| CNB2007100517164A CN100494410C (en) | 2007-03-22 | 2007-03-22 | Method of and device for setting carbon, temperature and oxygen detecting probe in steel making converter |
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| CN101020939A true CN101020939A (en) | 2007-08-22 |
| CN100494410C CN100494410C (en) | 2009-06-03 |
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| CNB2007100517164A Expired - Fee Related CN100494410C (en) | 2007-03-22 | 2007-03-22 | Method of and device for setting carbon, temperature and oxygen detecting probe in steel making converter |
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| CN101603113B (en) * | 2008-06-12 | 2011-03-30 | 中冶赛迪工程技术股份有限公司 | Probe output device |
| WO2011138629A1 (en) * | 2010-05-07 | 2011-11-10 | Wunsche Edgar R | Remotely controlled semi-automatic mechanized sampling and temperature measuring probe apparatus for molten steel in metallurgical furnaces |
| CN105414032A (en) * | 2015-12-09 | 2016-03-23 | 重庆龙悦食品有限公司 | Three-level grain cleaning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| AT392801B (en) * | 1989-06-05 | 1991-06-25 | Voest Alpine Ind Anlagen | METHOD FOR SLAG GUIDANCE IN A PALE STEEL CONVERTER |
| CN201003060Y (en) * | 2006-09-19 | 2008-01-09 | 连铸 | Throwing mechanism of converter throwing type detector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101603113B (en) * | 2008-06-12 | 2011-03-30 | 中冶赛迪工程技术股份有限公司 | Probe output device |
| WO2011138629A1 (en) * | 2010-05-07 | 2011-11-10 | Wunsche Edgar R | Remotely controlled semi-automatic mechanized sampling and temperature measuring probe apparatus for molten steel in metallurgical furnaces |
| CN107407669A (en) * | 2014-12-30 | 2017-11-28 | Ecil冶金技术有限公司 | Dip probe and the sub-assembly of immersion sublance and dip probe for converter |
| CN107407669B (en) * | 2014-12-30 | 2021-03-09 | 维苏威耐火材料有限公司 | Immersion probe for a converter and assembly of an immersion sublance and an immersion probe |
| CN105414032A (en) * | 2015-12-09 | 2016-03-23 | 重庆龙悦食品有限公司 | Three-level grain cleaning device |
| CN109797267A (en) * | 2019-03-18 | 2019-05-24 | 奥朗博佳羽节能科技有限公司宜兴分公司 | A kind of structure of efficiently dropping a bomb automatically |
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