CN204151366U - Medium and small blast furnace stokehold slag iron runner dedusting structure - Google Patents
Medium and small blast furnace stokehold slag iron runner dedusting structure Download PDFInfo
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- CN204151366U CN204151366U CN201420584027.5U CN201420584027U CN204151366U CN 204151366 U CN204151366 U CN 204151366U CN 201420584027 U CN201420584027 U CN 201420584027U CN 204151366 U CN204151366 U CN 204151366U
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- seal closure
- zhigou
- straight flute
- skimmer
- blast furnace
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Abstract
The utility model discloses medium and small blast furnace stokehold slag iron runner dedusting structure, comprise: blast furnace and some hot-metal car tank positions, blast furnace is connected with tap drain, tap drain is connected with skimmer, skimmer is connected with slag runner, skimmer is connected with straight flute, each hot-metal car tank position is connected with straight flute respectively by Zhigou, at the top of straight flute, the top portion of per pass Zhigou is provided with screed-coat, straight flute top screed-coat is provided with straight flute seal closure, Zhigou top screed-coat is arranged with Zhigou seal closure, skimmer top is provided with skimmer seal closure, between straight flute seal closure and Zhigou seal closure, seal respectively by hoop between straight flute seal closure and skimmer seal closure, the top of straight flute seal closure, Zhigou seal closure and skimmer seal closure offers air outlet, and air outlet is connected with dust-removal system, on the Zhigou seal closure at Zhigou work station place, the straight flute seal closure at straight flute work station place offers inspection door.The utility model has the advantage that can reduce the smoke content draining into air.
Description
Technical field
The utility model relates to medium and small blast furnace stokehold slag iron runner dedusting structure.
Background technology
Before the State of Blast Furnace of the casting house used at present, slag iron runner structure is: comprise blast furnace and some hot-metal car tank positions, the iron notch of blast furnace is connected with tap drain, tap drain is connected with the import of skimmer, the overflow port of skimmer is connected with slag runner, the molten iron outlet of skimmer is connected with straight flute, each hot-metal car tank position is connected with straight flute respectively by one Zhigou, the trend distribution that all tap drains, straight flute and Zhigou all reduce gradually in the flow direction along molten iron; In each hot-metal car tank position, top cover labyrinth is provided with tank position top draft hood, is provided with iron mouth top draft hood at tap drain and slag runner top cover labyrinth, and all tank positions top draft hood is connected with dust-removal system respectively by cleaning shaft with iron mouth top draft hood.Due to the trend distribution that tap drain, straight flute and Zhigou all reduce gradually in the flow direction along molten iron, the Zhigou causing molten iron always to flow into being connected with tap drain afterbody enters the hot-metal car tank position be connected with this Zhigou along this Zhigou, after molten iron is filled in this hot-metal car tank position, just need to beat sand bar by molten iron drainage on other Zhigou, be that Zhigou work station by arranging on each Zhigou carries out beating sand bar and blocks this Zhigou at present, and the straight flute work station that straight flute between adjacent Zhigou is arranged respectively carry out beating sand bar to block straight flute.Before this State of Blast Furnace, the shortcoming of slag iron runner is: because skimmer, straight flute and Zhigou are open design, on the one hand, a large amount of high-temperature smokes that skimmer, straight flute and Zhigou produce directly can enter air, and then to environment, on the other hand, slag iron in skimmer, straight flute and Zhigou is easily caught a cold attachment, considerably increases cleaning difficulty.
Utility model content
The purpose of this utility model is to provide a kind of medium and small blast furnace stokehold slag iron runner dedusting structure that greatly can reduce the smoke content that drains into air and the high insulating effect to slag iron.
For achieving the above object, the utility model have employed following technical scheme: described medium and small blast furnace stokehold slag iron runner dedusting structure, comprise: blast furnace and some hot-metal car tank positions being covered with tank position top draft hood, the iron notch of blast furnace is connected with the tap drain being covered with iron mouth top draft hood, tap drain is connected with the import of skimmer, the overflow port of skimmer is connected with the slag runner being covered with cinder notch top draft hood, the molten iron outlet of skimmer is connected with straight flute, each hot-metal car tank position is connected with straight flute respectively by one Zhigou, at the top of straight flute, and the top of per pass Zhigou is respectively arranged with screed-coat, the screed-coat at straight flute top is provided with straight flute seal closure, the screed-coat at per pass Zhigou top is respectively arranged with Zhigou seal closure, the top of skimmer is provided with skimmer seal closure, joint between straight flute seal closure and Zhigou seal closure, and the joint between straight flute seal closure and skimmer seal closure seals respectively by hoop, air outlet is offered respectively at the top of straight flute seal closure, Zhigou seal closure and skimmer seal closure, each air outlet is connected with dust-removal system respectively by cleaning shaft, and offering respectively on the Zhigou seal closure at Zhigou work station place and on the straight flute seal closure at straight flute work station place can for the inspection door beating sand bar.
Further, aforesaid medium and small blast furnace stokehold slag iron runner dedusting structure, wherein: the structure of straight flute seal closure is: comprise the top cover be made into by steel plate, the inwall of top cover is evenly provided with some rivet clasps nail, have on the inwall of top cover and be laid with thermal insulation layer, the rivet clasp nail on top cover inwall is positioned at thermal insulation layer.
Further, aforesaid medium and small blast furnace stokehold slag iron runner dedusting structure, wherein: the structure of Zhigou seal closure is: comprise the top cover be made into by steel plate, the inwall of top cover is evenly provided with some rivet clasps nail, have on the inwall of top cover and be laid with thermal insulation layer, the rivet clasp nail on top cover inwall is positioned at thermal insulation layer.
Further, aforesaid medium and small blast furnace stokehold slag iron runner dedusting structure, wherein: the structure of skimmer seal closure is: comprise the top cover be made into by steel plate, the inwall of top cover is evenly provided with some rivet clasps nail, have on the inwall of top cover and be laid with thermal insulation layer, the rivet clasp nail on top cover inwall is positioned at thermal insulation layer.
Further, aforesaid medium and small blast furnace stokehold slag iron runner dedusting structure, wherein: the joint between straight flute seal closure and Zhigou seal closure and the joint between straight flute seal closure and skimmer seal closure are first enclosed with shutoff filter cloth respectively, then hoop is wrapped shutoff filter cloth.
Further, aforesaid medium and small blast furnace stokehold slag iron runner dedusting structure, wherein: on every root cleaning shaft, offer the valve that can open or close cleaning shaft respectively.
By the enforcement of technique scheme, the utility model has the advantage of the smoke content that greatly can reduce and drain into air and the high insulating effect to slag iron.
Accompanying drawing explanation
Fig. 1 is the structural representation of medium and small blast furnace stokehold described in the utility model slag iron runner dedusting structure.
Fig. 2 is the structural representation of the straight flute seal closure shown in Fig. 1.
Fig. 3 is the straight flute seal closure shown in Fig. 1, position relationship schematic diagram between the first Zhigou seal closure and hoop three.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As Fig. 1, Fig. 2, shown in Fig. 3, described medium and small blast furnace stokehold slag iron runner dedusting structure, comprise: blast furnace 1 and some the first hot-metal car tank positions 3 being covered with the first tank position top draft hood 2, second hot-metal car tank position 31 of the second tank position top draft hood 21, the third-largest hot-metal car tank position 32 of the 3rd tank position top draft hood 22, the iron notch of blast furnace 1 is connected with the tap drain 4 being covered with iron mouth top draft hood 6, tap drain 4 is connected with the import of skimmer 5, the overflow port of skimmer 5 is connected with the slag runner 8 being covered with cinder notch top draft hood 7, the molten iron outlet of skimmer 5 is connected with straight flute 9, first hot-metal car tank position 3 is connected with straight flute 9 by the first Zhigou 10, second hot-metal car tank position 31 is connected with straight flute 9 by the second Zhigou 11, 3rd hot-metal car tank position 32 is connected with straight flute 9 by the 3rd Zhigou 12, at the top of straight flute 9, the top of the first Zhigou 10, the top of the second Zhigou 11 and the top of the 3rd Zhigou 12 are respectively arranged with screed-coat 13, the screed-coat 13 at straight flute 9 top is provided with straight flute seal closure 14, the screed-coat 13 at the first Zhigou 10 top is provided with the first Zhigou seal closure 141, the screed-coat 13 at the second Zhigou 11 top is provided with the second Zhigou seal closure 142, the screed-coat 13 at the 3rd Zhigou 12 top is provided with the 3rd Zhigou seal closure 143, and the top of skimmer 5 is provided with skimmer seal closure 144, joint between straight flute seal closure 14 and the first Zhigou seal closure 141, joint between straight flute seal closure 14 and the second Zhigou seal closure 142, joint between straight flute seal closure 14 and the 3rd Zhigou seal closure 143, joint between straight flute seal closure 14 and skimmer seal closure 144 seals respectively by hoop 15, at straight flute seal closure 14, first Zhigou seal closure 141, second Zhigou seal closure 142, 3rd Zhigou seal closure 143, skimmer seal closure 144 offers air outlet 16 respectively, each air outlet 16 is connected with dust-removal system 18 respectively by cleaning shaft 17, on the first Zhigou seal closure 141 at the Zhigou work station place of the first Zhigou 10, on the second Zhigou seal closure 142 at the Zhigou work station place of the second Zhigou 11, on 3rd Zhigou seal closure 143 of the Zhigou work station of the 3rd Zhigou 12, and the straight flute seal closure 14 at the straight flute work station place of straight flute 9 also offers respectively the inspection door 19 that can supply to beat sand bar, in the present embodiment, because the structure of straight flute seal closure 14, first Zhigou seal closure 141, second Zhigou seal closure 142, the 3rd Zhigou seal closure 143, skimmer seal closure 144 is all identical, only be described for the structure of straight flute seal closure 14 below, the structure of described straight flute seal closure 14 is: comprise the top cover 20 be made into by steel plate, the inwall of top cover 20 is evenly provided with some rivet clasps nail 23, the inwall of top cover 20 is laid with thermal insulation layer 24, and the rivet clasp nail 23 on top cover 20 inwall is arranged in thermal insulation layer 24, the stopping property of the seal closure of this structure and good heat preservation performance, in the present embodiment, joint between straight flute seal closure 14 and the first Zhigou seal closure 141, the joint between straight flute seal closure 14 and the second Zhigou seal closure 142, the joint between straight flute seal closure 14 and the 3rd Zhigou seal closure 143, the joint between straight flute seal closure 14 and skimmer seal closure 144 are first enclosed with shutoff filter cloth 25 respectively, again hoop 15 is wrapped shutoff filter cloth 25, the sealing effectiveness of this sealing means is better, in the present embodiment, every root cleaning shaft 17 offers respectively the valve 26 that can open or close cleaning shaft 17,
Principle of work of the present utility model is as follows:
Blast furnace 1 is produced the molten iron containing scum obtained and is flowed into skimmer 5 through tap drain 4, molten iron containing scum leaves standstill and is divided into upper strata scum and lower floor's molten iron in skimmer 5, upper strata scum flows into slag runner 8 from the overflow port of skimmer 5, lower floor's molten iron flows into straight flute 9 from the molten iron outlet of skimmer 5, due to the trend distribution that straight flute 9 reduces gradually in the flow direction height along molten iron, so molten iron can flow into along straight flute 9 the first Zhigou 10 be connected with straight flute afterbody under self gravitation effect, then flow to the first hot-metal car tank position 3 from the first Zhigou 10 and collect, after full molten iron collected by the hot-metal car of the first hot-metal car tank position 3, workman is made to open inspection door 19 on the straight flute seal closure 14 at straight flute work station place between the first Zhigou 10 and the second Zhigou 11 again, workman enters straight flute seal closure 14 from this inspection door 19 and beats sand bar and block this section of straight flute 9, makes molten iron can not flow into the first hot-metal car tank position 3 through the first Zhigou 10 again, now, the molten iron in straight flute 9 can flow into and the second Zhigou 11 be connected in the middle part of straight flute under the effect of self gravitation, then flows to the second hot-metal car tank position 31 from the second Zhigou 11 and collect, after full molten iron collected by the hot-metal car of the second hot-metal car tank position 31, workman is made to open inspection door 19 on the straight flute seal closure 14 at straight flute work station place between the second Zhigou 11 and the 3rd Zhigou 12, workman enters seal closure 14 from this inspection door 19 and beats sand bar and block this section of straight flute, make molten iron can not flow into the second hot-metal car tank position 31 through the second Zhigou 11 again, now, molten iron in straight flute 9 can flow into and the 3rd Zhigou 12 that is connected of straight flute front portion under the effect of self gravitation, then flows to the 3rd hot-metal car tank position 32 from the 3rd Zhigou 12 and collect, flow into the process of each hot-metal car tank position at molten iron from blast furnace, a large amount of high-temperature smokes that molten iron produces at tap drain 4 can be absorbed process by dust-removal system 18, a large amount of high-temperature smokes that molten iron produces in skimmer 5 can be intercepted by the skimmer seal closure 144 at skimmer top, and enter dust-removal system 18 absorption process through cleaning shaft, a large amount of high-temperature flue gas that slag iron produces at slag runner 8 also can be absorbed process by dust-removal system, the straight flute seal closure 14 that a large amount of high-temperature flue gas meeting tegmentums that molten iron generates at straight flute 9 are located at straight flute top intercepts, and enter dust-removal system 18 absorption process through cleaning shaft, molten iron is at the first Zhigou 10, the a large amount of high-temperature flue gas generated in second Zhigou 11 and the 3rd Zhigou 12 are then respectively by the first Zhigou seal closure 141, second Zhigou seal closure 142, 3rd Zhigou seal closure 143 intercepted, and enter dust-removal system 18 absorption process through cleaning shaft.The utility model has the advantages that: on the one hand, a large amount of high-temperature smokes that skimmer, tap drain and each Zhigou are produced directly can not enter air but be absorbed process by dust-removal system, thus greatly reduce the smoke content entering air, protect ecotope; On the other hand, by covering the seal closure that is located on skimmer, straight flute and each Zhigou, well slag iron being incubated, greatly reducing slag iron and to condense owing to catching a cold the generation of attachment phenomenon.
Claims (6)
1. medium and small blast furnace stokehold slag iron runner dedusting structure, comprise: blast furnace and some hot-metal car tank positions being covered with tank position top draft hood, the iron notch of blast furnace is connected with the tap drain being covered with iron mouth top draft hood, tap drain is connected with the import of skimmer, the overflow port of skimmer is connected with the slag runner being covered with cinder notch top draft hood, the molten iron outlet of skimmer is connected with straight flute, each hot-metal car tank position is connected with straight flute respectively by one Zhigou, it is characterized in that: at the top of straight flute, and the top of per pass Zhigou is respectively arranged with screed-coat, the screed-coat at straight flute top is provided with straight flute seal closure, the screed-coat at per pass Zhigou top is respectively arranged with Zhigou seal closure, the top of skimmer is provided with skimmer seal closure, joint between straight flute seal closure and Zhigou seal closure, and the joint between straight flute seal closure and skimmer seal closure seals respectively by hoop, air outlet is offered respectively at the top of straight flute seal closure, Zhigou seal closure and skimmer seal closure, each air outlet is connected with dust-removal system respectively by cleaning shaft, and offering respectively on the Zhigou seal closure at Zhigou work station place and on the straight flute seal closure at straight flute work station place can for the inspection door beating sand bar.
2. medium and small blast furnace stokehold according to claim 1 slag iron runner dedusting structure, it is characterized in that: the structure of straight flute seal closure is: comprise the top cover be made into by steel plate, the inwall of top cover is evenly provided with some rivet clasps nail, have on the inwall of top cover and be laid with thermal insulation layer, the rivet clasp nail on top cover inwall is positioned at thermal insulation layer.
3. medium and small blast furnace stokehold according to claim 1 slag iron runner dedusting structure, it is characterized in that: the structure of Zhigou seal closure is: comprise the top cover be made into by steel plate, the inwall of top cover is evenly provided with some rivet clasps nail, have on the inwall of top cover and be laid with thermal insulation layer, the rivet clasp nail on top cover inwall is positioned at thermal insulation layer.
4. medium and small blast furnace stokehold according to claim 1 slag iron runner dedusting structure, it is characterized in that: the structure of skimmer seal closure is: comprise the top cover be made into by steel plate, the inwall of top cover is evenly provided with some rivet clasps nail, have on the inwall of top cover and be laid with thermal insulation layer, the rivet clasp nail on top cover inwall is positioned at thermal insulation layer.
5. medium and small blast furnace stokehold according to claim 1 slag iron runner dedusting structure, it is characterized in that: the joint between straight flute seal closure and Zhigou seal closure and the joint between straight flute seal closure and skimmer seal closure are first enclosed with shutoff filter cloth respectively, then hoop is wrapped shutoff filter cloth.
6. medium and small blast furnace stokehold according to claim 1 slag iron runner dedusting structure, is characterized in that: on every root cleaning shaft, offer the valve that can open or close cleaning shaft respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420584027.5U CN204151366U (en) | 2014-10-11 | 2014-10-11 | Medium and small blast furnace stokehold slag iron runner dedusting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420584027.5U CN204151366U (en) | 2014-10-11 | 2014-10-11 | Medium and small blast furnace stokehold slag iron runner dedusting structure |
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| CN204151366U true CN204151366U (en) | 2015-02-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313220A (en) * | 2014-10-11 | 2015-01-28 | 江苏永钢集团有限公司 | Dedusting structure of stokehold scrap iron runner of medium- and small-sized blast furnaces |
| CN107099635A (en) * | 2017-06-20 | 2017-08-29 | 重庆科技学院 | A kind of molten iron groove splashproof dust arrester |
-
2014
- 2014-10-11 CN CN201420584027.5U patent/CN204151366U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313220A (en) * | 2014-10-11 | 2015-01-28 | 江苏永钢集团有限公司 | Dedusting structure of stokehold scrap iron runner of medium- and small-sized blast furnaces |
| CN107099635A (en) * | 2017-06-20 | 2017-08-29 | 重庆科技学院 | A kind of molten iron groove splashproof dust arrester |
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