CN203798615U - Tuyere sampling gun and device - Google Patents
Tuyere sampling gun and device Download PDFInfo
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- CN203798615U CN203798615U CN201420165235.1U CN201420165235U CN203798615U CN 203798615 U CN203798615 U CN 203798615U CN 201420165235 U CN201420165235 U CN 201420165235U CN 203798615 U CN203798615 U CN 203798615U
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- sampling
- stopple coupon
- tuyere
- air
- connecting link
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Abstract
The utility model belongs to the technical field of blast-furnace iron making, and particularly relates to a tuyere sampling gun which comprises a connecting rod and a sampling tube body, wherein the connecting rod and the sampling tube body are fixedly connected, the sampling tube body consists of a sampling tube and a sampling gun head which extends out of the sampling tube, the sampling tube is far away from the end of the sampling gun head and is fixedly connected with the connecting rod, a gassing tube which is communicated with the inner cavity of the sampling tube is arranged on the side wall of the sampling tube, and an opening of the sampling gun head is provided with an inclined angle inclining towards the direction away from the sampling tube. The utility model further provides a tuyere sampling device. The sampling tube is inserted into a blast furnace tuyere through the sampling gun head with the inclined angle, and can stop at a proper position and be cooled, the falling of furnace slag before a tuyere can be avoided, and the reliability for taking out samples can be improved; in addition, a protective gas is introduced into the sampling tube, so that the burning and oxidization of the taken-out samples can be prevented, and the reliability of the taken-out samples can be further promoted.
Description
Technical field
The utility model belongs to technical field of blast furnace ironmaking, particularly a kind of air tuyere sampling gun and device.
Background technology
The performances such as the scuff resistance of the following high-temperature region of the quality of coke, particularly blast furnace melting with soft coke, have larger impact to efficiency and the quality of ironmaking.How to be that this area worker is devoted to the problem solving by the coke burning in blast furnace being carried out to real-time analysis.
At present, the general blast-furnace tuyere sample analysis that adopts, according to the combustion efficiency of understanding quantitatively coke degradation degree and tuyere injection coal dust from the response situation of blast-furnace tuyere race way and dead stock column corresponding region taking-up coke, Coke Quality and coal dust firing condition are directly evaluated.Meanwhile, can also understand the activity of bottom house and dead stock column, to hearth erosion, control provides useful guidance.
The scheme of tuyere p robing is carried out to corresponding research abroad.For example, No. 2 blast furnaces of FOX factory of French rope Lak Entpr are equipped with air port coke sampler, stopple coupon diameter 300mm, insert air port after can blowing-out before 6m sample, but this device is non-standard equipment, equipment price is high; When Ijmuiden factory of Huo Gaowen company of Holland big coal injection test in 1992, once in the time of coal powder injection 135,175 and 190kg/t, use rotary hammer by stopple coupon squeeze in stove 3.8 meters dark, after extracting, cut and sample by the long segmentation of 500mm again, but this scheme equipment loss is large, and use cost is high; Japanese kobe steel company once, by degradation and the degradation mechanism of tuyere p robing method research coke, specifically squeezed into 4.8m in air port with air forging hammer by stopple coupon after damping down, and stopple coupon is divided into 7 grooves, and the spacing between groove and groove is 680mm.In addition, the stopple coupon of Nippon Steel Corp and outer cover plate thereof have 9 separated grooves, the diameter of groove, at 80mm, is squeezed into cupola well by air forging hammer by stopple coupon, and in the time of sampling, stopple coupon is pushed together with cover plate, and be inserted into behind precalculated position movable cover plate again, make the hole on movable cover plate just corresponding with the groove of stopple coupon, finally make top coke fall in groove, then stopple coupon is pulled out, but the method is completely not airtight, be difficult to ensure the accuracy of sample thief.
Simultaneously domesticly develop first generation tuyere p robing machine in the nineties in last century, but the design of Cooling System of its thief rod is unreasonable, serviceable life is too short; Secondly, need to lay dedicated track, and then can only sample in fixing air port in sampling process, cost is high and be difficult to meet the needs of blast furnace; In addition, because gap between thief rod and sampling cover plate conventionally more than 5mm, has furnace charge to fall into, in the process of thief rod pull-out in thief rod insertion process, coarsegrain coke before air port can drop on the surface of thief rod, and then is difficult to ensure the accuracy of sample thief.
Therefore before, needing that a kind of cost is moderate badly, life cycle is long and prevents air port, furnace charge falls into a kind of air tuyere sampling gun of thief rod.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of air tuyere sampling gun, has avoided falling into of furnace charge before air port to realize, and has improved the fiduciary level of taking out sample, has prevented from taking out burning and the oxidation of sample, further promotes the fiduciary level of taking out sample.
For solving the problems of the technologies described above, the utility model provides a kind of air tuyere sampling gun, comprise connecting link and sampling body, described connecting link is fixedly connected with described sampling body, described sampling body comprises stopple coupon and by the extended sampling hammerhead of described stopple coupon, described stopple coupon is fixedly connected with described connecting link away from the end of described sampling hammerhead, the sidewall of described stopple coupon is provided with the gas-adding pipe being communicated with the inner chamber of described stopple coupon, and the opening of described sampling hammerhead has along the oblique angle tilting away from described stopple coupon direction.
Further, described oblique angle has the lower oblique angle of 30 ° to 60 °.
Further, described oblique angle has top rade and lower oblique angle, and the angle at described top rade and described lower oblique angle is all between 30 ° to 60 °.
Further; described gas-adding pipe is connected with accumulator unit; in described accumulator unit, blanket gas is housed, between described accumulator unit and described gas-adding pipe, is provided with control device, described control device is for controlling being communicated with of blanket gas in described accumulator unit and described gas-adding pipe.
Further, described sampling hammerhead has tooth bar near the end of described stopple coupon, and described sampling hammerhead welds away from the end of described connecting link by end and the described stopple coupon with tooth bar, and the inner chamber of described sampling body is communicated with outside air by the louvre between described tooth bar.
Further, described tooth bar length is between 10-30mm, and the gap between described tooth bar is between 3-8mm.
Further, between described connecting link and described sampling body, be connected by flangeseal.
Further, described stopple coupon is steel pipe, and described sampling hammerhead is alloy pipe.
The utility model also provides a kind of tuyere p robing device, comprise the air tuyere sampling gun as described in claim 1 to 8 any one, also comprise propulsion system, described propulsion system comprise the balance stem, backboard, sliding bell and the front apron that are successively set on connecting link, described front apron is arranged near described stopple coupon one side, and described sliding bell is slidably connected with described connecting link between described front apron and described backboard.
Further, on described sliding bell, at least one stay cord is set, described stay cord has stay cord hole.
With respect to prior art, a kind of air tuyere sampling gun that the utility model provides, by the oblique angle of the opening of sampling hammerhead being arranged to tilt, has improved air tuyere sampling gun and has inserted the success ratio of blast furnace sampling; By airtight or substantially airtight sampling body is set, avoid falling into of furnace charge before air port, improve the fiduciary level of taking out sample; In stopple coupon, pass into nitrogen, make outside air cannot enter sampling body, and then prevented from taking out burning and the oxidation of sample in cooling procedure, further promote the fiduciary level of taking out sample.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The vertical section structural representation of a kind of air tuyere sampling gun that Fig. 1 provides for the utility model embodiment one;
The structural representation of the tuyere p robing device of a kind of air tuyere sampling gun that Fig. 2 provides for the utility model embodiment two.
Wherein, 1, connecting link; 2, ring flange; 3, gas-adding pipe; 4, stopple coupon; 5, sampling hammerhead; 6, louvre; 7, junction; 8, front apron; 9, stay cord hole; 10, slide bell; 11, backboard; 12, balance stem.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain, belongs to the scope that the utility model is protected.
Embodiment one
The vertical section structural representation of a kind of air tuyere sampling gun that as shown in Figure 1, Fig. 1 provides for the utility model embodiment one.
A kind of air tuyere sampling gun that the utility model provides, comprise connecting link 1 and sampling body, connecting link 1 is fixedly connected with sampling body, sampling body comprises stopple coupon 4 and by the extended sampling hammerhead 5 of stopple coupon 4, stopple coupon 4 is fixedly connected with connecting link 1 away from the end of sampling hammerhead 5, the sidewall of stopple coupon 4 is provided with the gas-adding pipe 3 being communicated with the inner chamber of stopple coupon 4, and the opening of sampling hammerhead 5 has along the oblique angle tilting away from stopple coupon 4 directions.
Concrete, stopple coupon 4 is processed by common weldless steel tube or welded tube, and diameter is 102mm, and thickness is 8mm.Connecting link 1 passes through ring flange 2 and stopple coupon 4 fixed seal connections, and makes connecting link 1 and the concentricity axle of stopple coupon 4.In the present embodiment, connecting link 1 is solid hopkinson bar, and stopple coupon 4 is for having the hollow tubular of inner chamber.On the sidewall of stopple coupon 4, there is a through hole that connects the sidewall of stopple coupon 4, gas-adding pipe 3 can be fixed in through hole, and the sidewall of stopple coupon 4 and the tube wall of gas-adding pipe 3 are tightly connected, and then make the sidewall of stopple coupon 4 can only pass through the hollow bulb of gas-adding pipe 3 and extraneous air communication, and can not be by being communicated with outside air between the tube wall of gas-adding pipe 3 and the sidewall of stopple coupon 4.Sampling hammerhead 5 is integrally welded away from the end of ring flange 2 with stopple coupon 4, and makes stopple coupon 4 and the concentricity axle of sampling hammerhead 5.Sampling hammerhead 5 has rack structure with the end that stopple coupon 4 welds, and sampling hammerhead 5 is connected by junction 7 with stopple coupon 4, and the space between tooth bar coordinates formation air dispelling hole 6 with stopple coupon.Wherein, tooth bar length is between 10-30mm, gap between tooth bar is between 3-8mm, so in keeping stopple coupon 4 to export nitrogen to the external world, what prevented furnace charge before air port falls into stopple coupon 4 in a large number, sampling hammerhead 5 has the oblique angle structure tilting along the direction away from stopple coupon 4 away from one end of stopple coupon 4, the oblique angle that makes its opening part is the lower oblique angle of 30-60 ° or is the top rade of 30-60 ° or top rade and lower oblique angle for 30-60 °, and then make the area that contacts with blast furnace little, the pressure producing under certain pressure is large, and the inclined-plane forming by sampling hammerhead 5 forms a power of separating to the coke to be got in blast furnace or slag iron, reduce the advance resistance of stopple coupon 4, improve the sampling success ratio of stopple coupon 4.In the present embodiment, stopple coupon 4 is processed by common steel tube, and sampling hammerhead 5 is forged and formed by heat-resisting and wear-resisting high-temperature alloy steel.Gas-adding pipe 3 is connected with gas-holder away from the end of stopple coupon 4; blanket gas is housed in gas-holder; such as nitrogen, high-purity Ar, He or H2 etc., and gate is set between gas-holder and gas-adding pipe 3, so that by being communicated with and disconnection between gate control gas-holder and gas-adding pipe 3.In the present embodiment, in the time that gate is opened, nitrogen in gas-holder can enter the inner chamber of stopple coupon 4 and make the inner chamber pressure of stopple coupon 4 be greater than extraneous atmospheric pressure under the condition with certain pressure by gas-adding pipe 3, and then extraneous air is completely cut off outside the inner chamber of stopple coupon 4, avoid stopple coupon 4 to collect after sampling sample, sampling sample is oxidized in cooling process, has improved the fiduciary level of sampling sample.
In order further to explain the structure of air tuyere sampling gun, the using method of air tuyere sampling gun is below described:
First air tuyere sampling gun inserted to blast-furnace tuyere leading portion and be adjusted to level; Then open the sluices, the gas-holder that has made to store nitrogen is communicated with gas-adding pipe 3, the nitrogen in gas-holder is entered in the cavity of stopple coupon 4 by gas-adding pipe 3, and shed by the outward opening circle air of air dispelling hole 6 and sampling hammerhead 5; Then air tuyere sampling gun is banged into blast-furnace tuyere inside, and then the furnace charge such as coke and slag iron in sampling hammerhead 5 dead aheads is clamp-oned in stopple coupon 4, the furnace charge of clamp-oning stopple coupon 4 enters in order in stopple coupon 4 under the promotion of the follow-up furnace charge of clamp-oning; Finally again stopple coupon 4 is squeezed into after designated depth, oppositely sampling gun is pulled out to air outlet, be cooled to normal temperature.
A kind of air tuyere sampling gun that the utility model provides, by by dismountable connection between connecting link 1 and stopple coupon 4, can change stopple coupon 4, has reduced use cost; Further stopple coupon 4 and sampling hammerhead 5 are welded, and make stopple coupon 4 for common steel tube, sampling hammerhead 5 is alloy steel, by only changing stopple coupon 4, further reduces use cost; Sampling hammerhead 5 is arranged to opening and has the oblique angle tilting away from stopple coupon direction, the angle at oblique angle between 30 ° to 60 °, has reduced sampling hammerhead 5 and has entered the resistance of blast furnace, has improved it and enter the success ratio of blast furnace sampling; Nitrogen can enter stopple coupon 4 by gas-adding pipe 3, and be distributed in outside air by louvre 6 and sampling hammerhead 5 after the inner chamber of filling stopple coupon 4, prevent that outside air from entering the inner chamber of stopple coupon 4, prevent from entering inner chamber sampling sample secondary oxidation in cooling process of stopple coupon 4, improve the fiduciary level of sampling sample; By airtight or substantially airtight sampling body is set, avoid falling into of furnace charge before air port, further improve the fiduciary level of taking out sample.
Embodiment two
The structural representation of the tuyere p robing device of a kind of air tuyere sampling gun that as shown in Figure 2, Fig. 2 provides for the utility model embodiment two.
In the present embodiment, tuyere p robing device comprises the air tuyere sampling gun in embodiment one, also comprises the balance stem 12, backboard 11, sliding bell 10 and the front apron 8 that are successively set on connecting link 1.Concrete, front apron 8 is fixedly installed on the side near stopple coupon 4, sliding bell 10 is between front apron 8 and backboard 11, wherein sliding bell 10 can be slidably connected on connecting link 1, and front apron 8 and backboard 11 can limit the moving range of sliding bell 10 on connecting link 1 axial direction between front apron 8 and backboard 11.Both sides at sliding bell 10 are provided with stay cord, and stay cord has stay cord hole 9.
In order further to explain the principle of work of tuyere p robing device, be explained as follows:
When sampling, first air tuyere sampling gun inserted to inlet front end and find horizontal level by balance stem 12; Then open the gate of gas-holder, make nitrogen pass through gas-adding pipe 3 to stopple coupon 4 nitrogen injections; Pull sliding bell 10 by staff simultaneously, it is slided on connecting link 1 and final shock front apron 8, and then the air tuyere sampling gun that drive is fixedly connected with front apron 8 is to blast-furnace tuyere inner impact; The terminal at sampling hammerhead 5 oblique angles is inserted blast-furnace tuyere, and the slag such as coke and slag iron in sampling hammerhead 5 dead aheads is clamp-oned in stopple coupon 4, and the furnace charge order under the follow-up promotion that enters furnace charge entering in stopple coupon 4 enters in stopple coupon 4; When stopple coupon 4 is squeezed into after designated depth, more oppositely pull sliding bell 10, make sliding bell 10 slide and hit backboard 11 towards backboard 11, by staff's control, stopple coupon 4 is pulled out to air port, and move to appropriate location and park, cooling; Continue to pass into nitrogen by gas-adding pipe 3 to the inner chamber of stopple coupon 4 sample thief burning or oxidation to prevent.
After air tuyere sampling gun is cooled to normal temperature, can complete by a set of device for discharging being formed by discharging screw rod, rotating disk and fixed connecting piece, scraping wings etc.Manual rotation rotating disk, makes discharging screw rod promote scraping wings the furnace charge in stopple coupon 4 is drawn off.When discharging, can calculate according to the screw-in depth of discharging screw rod the furnace charge position of 4 li of stopple coupons, and the degree of depth in stopple coupon 4 is not divided into and analyzes on the same group, detects by it by got furnace charge.
A kind of tuyere p robing device of the present utility model, by set gradually balance stem 12, backboard 11, sliding bell 10 and front apron 8 on connecting link 1, make the front and back slip on connecting link 1 under the effect of manpower of sliding bell 10, the kinetic energy that advances or retreat that is air tuyere sampling gun by the kinetic transformation of sliding bell 10 in the time that sliding bell 10 clashes into front apron 8 or backboard 11, and then stop position after can controlling air tuyere sampling gun and entering the degree of depth of blast-furnace tuyere and air tuyere sampling gun and exit, before having avoided air port, coarsegrain coke falls to expiring stopple coupon 4 surfaces, has improved the accuracy of sampling sample.
It should be noted last that, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to example, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (10)
1. an air tuyere sampling gun, it is characterized in that: comprise connecting link and sampling body, described connecting link is fixedly connected with described sampling body, described sampling body comprises stopple coupon and by the extended sampling hammerhead of described stopple coupon, described stopple coupon is fixedly connected with described connecting link away from the end of described sampling hammerhead, the sidewall of described stopple coupon is provided with the gas-adding pipe being communicated with the inner chamber of described stopple coupon, and the opening of described sampling hammerhead has along the oblique angle tilting away from described stopple coupon direction.
2. air tuyere sampling gun as claimed in claim 1, is characterized in that, described oblique angle has the lower oblique angle of 30 ° to 60 °.
3. air tuyere sampling gun as claimed in claim 1, is characterized in that, described oblique angle has top rade and lower oblique angle, and the angle at described top rade and described lower oblique angle is all between 30 ° to 60 °.
4. air tuyere sampling gun as claimed in claim 1; it is characterized in that; described gas-adding pipe is connected with accumulator unit; in described accumulator unit, blanket gas is housed; described blanket gas is for isolating the inner chamber of described stopple coupon and outside air; between described accumulator unit and described gas-adding pipe, be provided with control device, described control device is for controlling being communicated with of blanket gas in described accumulator unit and described gas-adding pipe.
5. the air tuyere sampling gun as described in claim 1 to 4 any one, it is characterized in that, described sampling hammerhead has tooth bar near the end of described stopple coupon, and described sampling hammerhead welds away from the end of described connecting link by end and the described stopple coupon with tooth bar, and the inner chamber of described sampling body is communicated with outside air by the louvre between described tooth bar.
6. air tuyere sampling gun as claimed in claim 5, is characterized in that, described tooth bar length is between 10-30mm, and the gap between described tooth bar is between 3-8mm.
7. air tuyere sampling gun as claimed in claim 6, is characterized in that, between described connecting link and described sampling body, is connected by flangeseal.
8. air tuyere sampling gun as claimed in claim 7, is characterized in that, described stopple coupon is steel pipe, and described sampling hammerhead is alloy pipe.
9. a tuyere p robing device, comprise the air tuyere sampling gun as described in claim 1 to 8 any one, it is characterized in that, also comprise propulsion system, described propulsion system comprise the balance stem, backboard, sliding bell and the front apron that are successively set on connecting link, described front apron is arranged near described stopple coupon one side, and described sliding bell is slidably connected with described connecting link between described front apron and described backboard.
10. tuyere p robing device as claimed in claim 9, is characterized in that, on described sliding bell, at least one stay cord is set, and described stay cord has stay cord hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420165235.1U CN203798615U (en) | 2014-04-04 | 2014-04-04 | Tuyere sampling gun and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420165235.1U CN203798615U (en) | 2014-04-04 | 2014-04-04 | Tuyere sampling gun and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203798615U true CN203798615U (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420165235.1U Expired - Fee Related CN203798615U (en) | 2014-04-04 | 2014-04-04 | Tuyere sampling gun and device |
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| CN (1) | CN203798615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323680A (en) * | 2016-08-19 | 2017-01-11 | 张福谦 | Easy-sampling geological sample sampling mechanism |
-
2014
- 2014-04-04 CN CN201420165235.1U patent/CN203798615U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323680A (en) * | 2016-08-19 | 2017-01-11 | 张福谦 | Easy-sampling geological sample sampling mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100041 Shijingshan Road, Beijing, No. 68, No. Patentee after: SHOUGANG GROUP Co.,Ltd. Address before: 100041 Shijingshan Road, Beijing, No. 68, No. Patentee before: SHOUGANG Corp. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 |