CN102605121A - Blast furnace bell-less top charging device - Google Patents
Blast furnace bell-less top charging device Download PDFInfo
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- CN102605121A CN102605121A CN201210117267XA CN201210117267A CN102605121A CN 102605121 A CN102605121 A CN 102605121A CN 201210117267X A CN201210117267X A CN 201210117267XA CN 201210117267 A CN201210117267 A CN 201210117267A CN 102605121 A CN102605121 A CN 102605121A
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- blast furnace
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Abstract
The invention discloses a blast furnace bell-less top charging device which comprises an upper part charging bucket used for receiving furnace charge, an upper part emptying valve connected to the bottom of the upper part charging bucket, a charging bucket connected to the lower part of the upper part emptying valve, a material flow control valve connected to the bottom of the charging bucket and a material distribution device connected to the bottom of the material flow control valve, wherein the receiving hole of the upper part emptying valve and the receiving hole of the material flow control valve are respectively connected to the bottoms of the upper part charging bucket and the charging bucket by an equal-aperture structure; and two cone-shaped bodies are respectively formed between the upper connecting part of the receiving hole of the upper part emptying valve and the lower connecting part of the upper part charging bucket and between the upper connecting part of the receiving hole of the material flow control valve and the lower connecting part of the charging bucket, and the heights of the two cone-shaped bodies can be lowered. The blast furnace bell-less top charging device is compact in structure and easy to install, overhaul and maintain, thus effectively reducing the construction investment cost and the maintenance cost.
Description
Technical field
The present invention relates to a kind of iron-smelting blast furnace does not have the feeder of bell furnace roof, relates in particular to a kind of blast furnace bell-less top charging device.
Background technology
In the metallurgy high furnace iron industry; Top batch can in the blast furnace bell-less top charging device, top baiting valve, batch can, material flow gate, lower seal valve arrangement size are higher relatively; Make blast furnace bell-less top charging device whole height high; Cause the State of Blast Furnace top frame also very high, increased the construction investment and the materials consumption expense of top charging device; Particularly old traditional clock-type top charging device is transformed into no bell top charging device, can not adopt by the restriction of its original furnace roof skew bridge height and conveyor height, has limited large quantities of old blast furnaces and can not be transformed into no bell top charging device.
Yet,, when making the maintenance of blast furnace bell-less top charging device, very inconvenient, loaded down with trivial details time-consuming because there is defective in blast furnace bell-less top charging device arrangement of the prior art.
Summary of the invention
The technical problem that the present invention will solve is to provide a kind of blast furnace bell-less top charging device, and its compact construction is easy to install, overhauls, safeguards, has reduced construction investment expense and maintenance cost effectively.
For realizing above-mentioned purpose, the invention provides a kind of blast furnace bell-less top charging device, comprising: the top batch can that is used to admit furnace charge; The top baiting valve is connected the bottom of said top batch can; Batch can is connected the below of said top baiting valve; Material flow gate is connected the bottom of said batch can; And distribution device; Be connected the bottom of said material flow gate; The receiving opening of said top baiting valve is connected the bottom of said top batch can through waiting bore structure, and the following connection section of the last connection section of said receiving opening and top batch can forms the cone-shaped body that can reduce height space.
Further, the receiving opening of said material flow gate is connected the bottom of said batch can through waiting bore structure formation, and the following connection section of the last connection section of said receiving opening and batch can forms the cone-shaped body that can reduce height space.
Further, the blast furnace bell-less top charging device also comprises: the upper sealing valve that is used to seal is connected between said top baiting valve and the batch can; The lower seal valve that is used to seal is connected between said material flow gate and the distribution device.
Further; The bottom of said material flow gate and lower seal valve through etc. the bore structure link together; Wherein the bottom of material flow gate extend in the casing of lower seal valve; The pressure head of lower seal valve is installed on the flange in the bottom of material flow gate, thereby has reduced material flow gate and lower seal valve height space each other.
Further; Said blast furnace bell-less top charging device is that drawing and pulling type is arranged; The both sides of the casing of said lower seal valve are equiped with moving member; Said feeder also includes the State of Blast Furnace top frame, and said State of Blast Furnace top frame is provided with the fixed guide perpendicular to the blast furnace medullary ray, and said moving member can walk on the said fixed guide.
Further, said moving member is a mobile wheel.
Further, said blast furnace bell-less top charging device also comprises: be used to lift the furnace roof maintenance ring stand of said distribution device, said distribution device can shift out along the direction perpendicular to the blast furnace medullary ray.
Further, also be provided with compensation system between said lower seal valve and the distribution device.
Further, said compensation system is a FlexbleJoint.
According to the present invention; Employing waits bore structure formation to realize being connected between the bottom of the receiving opening of top baiting valve and top batch can; The following connection section of the last connection section of receiving opening and top batch can forms a cone-shaped body, effectively utilizes height space, has reduced height of devices.Employing waits bore structure formation to realize being connected between the receiving opening of material flow gate and the bottom of batch can, and is same, and cone-shaped body of following connection section formation of the last connection section of receiving opening and top batch can effectively utilizes height space, has reduced height of devices; Bore form of flanges such as employing between the bottom of material flow gate and the lower seal valve; Link together through flange; And the bottom of material flow gate extend in the casing of lower seal valve; The pressure head of lower seal valve is installed on the flange in the bottom of material flow gate, makes full use of material flow gate and lower seal valve height space each other.Reduced the scantlings of the structure (highly) of top baiting valve, material flow gate, lower seal valve so effectively; Make its whole top charging device compact construction; Reduced the height of top charging device; Make blast furnace bell-less top charging device whole height reduce, reduced the construction investment and the materials consumption expense of top charging device.
Meanwhile;, arranges in this device that need the often equipment of maintenance, promptly material flow gate, lower seal valve, distribution device can be pulled out perpendicular to blast furnace medullary ray (radially) because being the compact type drawing and pulling type; Shift out the blast furnace medullary ray along guide rail; The off-line maintenance is easy to install, overhauls, safeguards, has reduced maintenance cost effectively.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.Wherein:
Fig. 1 is the structural representation of blast furnace bell-less top charging device of the present invention;
Fig. 2 is the synoptic diagram that the receiving opening of top of the present invention baiting valve is connected with the bore structure formations such as bottom of top batch can;
Fig. 3 be the receiving opening of material flow gate of the present invention be connected with the bore structure formations such as bottom of batch can and material flow gate and lower seal valve between the synoptic diagram that is connected;
Fig. 4 is lower seal valve and the structural representation of casing, moving member and guide rail in the blast furnace bell-less top charging device of the present invention;
Fig. 5 is top baiting valve and the structural representation of casing, moving member and guide rail in the blast furnace bell-less top charging device of the present invention; And
Fig. 6 is that the intermediate equipment of blast furnace bell-less top charging device of the present invention is installed, overhauls, safeguarded and pull out synoptic diagram.
Embodiment
Below, through exemplary embodiment the present invention is specifically described.Yet should be appreciated that under the situation that is not having further narration element, structure and characteristic in embodiment also can be attached in other embodiment valuably.
Consult Fig. 1, shown in 2 and 3, according to a kind of blast furnace bell-less top charging device 20 of the present invention, comprising: the top batch can 1 that is used to hold furnace charge; Top baiting valve 2 is connected the bottom of top batch can 1, and the receiving opening of this top baiting valve 2 is connected the bottom of said top batch can 1 through waiting bore structure; Batch can 4 is connected the below of said baiting valve 2, under the situation of opening baiting valve 2; Furnace charge in the top batch can 1 gets into batch can 4; After the furnace charge in the batch can of top all gets into batch can 4, close top baiting valve 2, at this moment top batch can 1 prepares to admit another batch furnace charge; Material flow gate 5, its receiving opening is connected the bottom of said batch can 4 through waiting bore structure, is used to regulate the materials flow speed or the materials flow time of furnace charge, to guarantee all even reasonableness in the cloth process; And distribution device 8, being connected the bottom of said material flow gate 5, distribution device 8 cooperatively interacts to prevent charging segregation with material flow gate 5.
Specifically, the said bore structure that waits can realize through the flange ways of connecting.For example the receiving opening place of baiting valve 2 is provided with the baiting valve upper flange on top; The bottom of batch can 1 is provided with top batch can lower flange on top; Be connected through fastening piece between baiting valve upper flange and the top batch can lower flange, thereby realized that top baiting valve 2 is connected cone-shaped body of following connection section formation of the last connection section of said receiving opening and top batch can 1 with the bore structure formation that waits between the top batch can 1; Effectively utilize height space, reduced height of devices.In like manner; The receiving opening place of material flow gate 5 is provided with the material flow gate upper flange, and the bottom of batch can 4 is provided with the batch can lower flange, is connected through fastening piece between material flow gate upper flange and the batch can lower flange; Thereby realized that material flow gate 5 is connected with the bore that waits between the batch can 4; The following connection section of the last connection section of said receiving opening and batch can 4 forms a cone-shaped body, effectively utilizes height space, has reduced height of devices.
For the stopping property of assurance device, blast furnace bell-less top charging device 20 also comprises and is used to realize be connected the upper sealing valve 3 that seals between said top baiting valve 2 and the batch can 4; And be used to realize be connected the lower seal valve 6 that seals between said material flow gate 5 and the distribution device 8.Meanwhile, the bottom of said material flow gate 5 and lower seal valve 6 through etc. the bore structure link together.Be alternatively; The said bore structure that waits also can realize through the flange ways of connecting; Promptly the material flow gate lower flange is set in the bottom of material flow gate 5; Lower seal valve upper flange is set at the top of lower seal valve 6, and material flow gate lower flange and lower seal valve upper flange are connected through fastening piece, thereby realize waiting the bore connection between material flow gate 5 and the lower seal valve 6.
In order further to reduce the height of top charging device; The bottom of said material flow gate 5 and lower seal valve 6 link together through flange; And the bottom of material flow gate 5 extend in the casing of lower seal valve 6; The pressure head of lower seal valve 6 is installed on the flange in the bottom of material flow gate 5, makes full use of material flow gate 5 and lower seal valve 6 height space each other, has reduced the single unit system height of material flow gate 5 and lower seal valve 6 effectively.
Overhauling conveniently when keeping in repair for implement device; Blast furnace bell-less top charging device 20 of the present invention is drawing and pulling type to be arranged, promptly when needing repairing a certain equipment, the malfunction equipment that only need will be to be keeped in repair pulls out the blast furnace medullary ray; Separately this equipment is keeped in repair; Yet reset into the home position again, need not greatly to have saved labour cost as dismantling each part associated device in the prior art from top to bottom.
Shown in Fig. 4～6; Specifically, the outside of said lower seal valve 6 also is provided with casing, and the both sides of said casing are equiped with moving member 10; Said feeder also includes the State of Blast Furnace top frame; Said State of Blast Furnace top frame is provided with the fixed guide 11 perpendicular to the blast furnace medullary ray, and said moving member 10 can walk on the said fixed guide, and said moving member 10 is a mobile wheel.Meanwhile, material flow gate also can adopt side-pulling formula structure, promptly is provided with moving member in the both sides of material flow gate, and this moving member can be walked on fixed guide; Equally, top baiting valve 2 also can adopt side-pulling formula structure, and promptly the both sides of baiting valve 2 are provided with moving member 13 on top, and this moving member 13 can be walked on fixed guide 12.
The blast furnace bell-less top charging device also comprises, is used to lift the furnace roof maintenance ring stand 9 of said distribution device, and furnace roof maintenance ring stand 9 can hang out the distribution device 8 that needs maintenance perpendicular to blast furnace medullary ray (radially), shift out the blast furnace medullary ray along guide rail.
In order effectively to compensate the displacement of the plant bulk distortion that causes because of expanding with heat and contract with cold, and the effect that plays the noise reduction vibration damping, the below of said lower seal valve also is provided with compensation system.Preferably, said compensation system is a FlexbleJoint 7.
According to the present invention; Owing to wait the bore structure can form the cone-shaped body that reduces height space; So reduced the scantlings of the structure (highly) of top baiting valve, material flow gate, lower seal valve effectively, make its whole top charging device compact construction, reduced the height of top charging device; Make blast furnace bell-less top charging device whole height reduce, reduced the construction investment and the materials consumption expense of top charging device simultaneously.
Meanwhile;, arranges in this device that need the often device of maintenance, for example material flow gate, lower seal valve, distribution device can be pulled out perpendicular to blast furnace medullary ray (radially) because being the compact type drawing and pulling type; Shift out the blast furnace medullary ray along guide rail; The off-line maintenance is easy to install, overhauls, safeguards, has reduced maintenance cost effectively.
Be appreciated that the present invention describes through some embodiment, those skilled in the art know, under the situation that does not break away from the spirit and scope of the present invention, can carry out various changes or equivalence replacement to these characteristics and embodiment.In addition, under instruction of the present invention, can make amendment to these characteristics and embodiment can not break away from the spirit and scope of the present invention to adapt to concrete situation and material.Therefore, the present invention does not receive the restriction of specific embodiment disclosed herein, and all interior embodiment of claim scope that fall into the application belong to protection scope of the present invention.
Claims (9)
1. a blast furnace bell-less top charging device (20) comprising: the top batch can (1) that is used to admit furnace charge; Top baiting valve (2) is connected the bottom of said top batch can (1); Batch can (4) is connected the below of said top baiting valve (2); Material flow gate (5) is connected the bottom of said batch can (4); And distribution device (8), be connected the bottom of said material flow gate (5), it is characterized in that,
The receiving opening of said top baiting valve (2) is connected the bottom of said top batch can (1) through waiting bore structure, and the following connection section of the last connection section of said receiving opening and top batch can (1) forms the cone-shaped body that can reduce height space.
2. blast furnace bell-less top charging device as claimed in claim 1; It is characterized in that; The receiving opening of said material flow gate (5) is connected the bottom of said batch can (4) through waiting bore structure, and the following connection section of the last connection section of said receiving opening and batch can (4) forms the cone-shaped body that can reduce height space.
3. blast furnace bell-less top charging device as claimed in claim 1 is characterized in that, also comprises: the upper sealing valve that is used to seal (3) is connected between said top baiting valve (2) and the batch can (4); The lower seal valve (6) that is used to seal is connected between said material flow gate (5) and the distribution device (8).
4. blast furnace bell-less top charging device as claimed in claim 3; It is characterized in that; The bottom of said material flow gate (5) and lower seal valve (6) through etc. the bore structure link together; Wherein the bottom of material flow gate (5) extend in the casing of lower seal valve (6), and the pressure head of lower seal valve (6a) is installed on the flange in the bottom of material flow gate (5), thereby has reduced material flow gate (5) and lower seal valve (6) height space each other.
5. blast furnace bell-less top charging device as claimed in claim 4; It is characterized in that; Said blast furnace bell-less top charging device is that drawing and pulling type arranges that the both sides of the casing of said lower seal valve (6) are equiped with moving member (10), and said feeder also includes the State of Blast Furnace top frame; Said State of Blast Furnace top frame is provided with the fixed guide (11) perpendicular to the blast furnace medullary ray, and said moving member (10) can walk on the said fixed guide (11).
6. blast furnace bell-less top charging device as claimed in claim 5 is characterized in that, said moving member (10) is a mobile wheel.
7. blast furnace bell-less top charging device as claimed in claim 1 is characterized in that, also comprises: be used to lift the furnace roof maintenance ring stand of said distribution device, said distribution device can shift out along the direction perpendicular to the blast furnace medullary ray.
8. blast furnace bell-less top charging device as claimed in claim 1 is characterized in that, also is provided with compensation system between said lower seal valve (6) and the distribution device (8).
9. blast furnace bell-less top charging device as claimed in claim 8 is characterized in that, said compensation system is FlexbleJoint (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210117267.XA CN102605121B (en) | 2012-04-19 | 2012-04-19 | No charging bell at furnace top of blast furnace feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210117267.XA CN102605121B (en) | 2012-04-19 | 2012-04-19 | No charging bell at furnace top of blast furnace feeding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102605121A true CN102605121A (en) | 2012-07-25 |
| CN102605121B CN102605121B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210117267.XA Active CN102605121B (en) | 2012-04-19 | 2012-04-19 | No charging bell at furnace top of blast furnace feeding device |
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| Country | Link |
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| CN (1) | CN102605121B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925604A (en) * | 2012-11-12 | 2013-02-13 | 中冶南方工程技术有限公司 | Blast furnace charge-flow adjusting valve device suitable for high-temperature furnace charge |
| CN105270876A (en) * | 2015-11-11 | 2016-01-27 | 中冶南方工程技术有限公司 | Segregation-resistant material flow adjusting device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1180819A (en) * | 1997-09-04 | 1999-03-26 | Nippon Steel Corp | Method for classifiedly charging a little quantity of charging material into bell-less blast furnace and charging device thereof |
| JP2007177290A (en) * | 2005-12-28 | 2007-07-12 | Jfe Steel Kk | Furnace top charging apparatus in bell-less blast furnace |
| CN202226871U (en) * | 2011-09-20 | 2012-05-23 | 中冶东方工程技术有限公司 | Material feeding device at compact bell-less furnace top of blast furnace |
| CN202626216U (en) * | 2012-04-19 | 2012-12-26 | 中冶东方工程技术有限公司 | Blast furnace bell-free top charging device |
-
2012
- 2012-04-19 CN CN201210117267.XA patent/CN102605121B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1180819A (en) * | 1997-09-04 | 1999-03-26 | Nippon Steel Corp | Method for classifiedly charging a little quantity of charging material into bell-less blast furnace and charging device thereof |
| JP2007177290A (en) * | 2005-12-28 | 2007-07-12 | Jfe Steel Kk | Furnace top charging apparatus in bell-less blast furnace |
| CN202226871U (en) * | 2011-09-20 | 2012-05-23 | 中冶东方工程技术有限公司 | Material feeding device at compact bell-less furnace top of blast furnace |
| CN202626216U (en) * | 2012-04-19 | 2012-12-26 | 中冶东方工程技术有限公司 | Blast furnace bell-free top charging device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925604A (en) * | 2012-11-12 | 2013-02-13 | 中冶南方工程技术有限公司 | Blast furnace charge-flow adjusting valve device suitable for high-temperature furnace charge |
| CN102925604B (en) * | 2012-11-12 | 2014-10-01 | 中冶南方工程技术有限公司 | Blast furnace charge-flow adjusting valve device suitable for high-temperature furnace charge |
| CN105270876A (en) * | 2015-11-11 | 2016-01-27 | 中冶南方工程技术有限公司 | Segregation-resistant material flow adjusting device |
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| Publication number | Publication date |
|---|---|
| CN102605121B (en) | 2016-08-31 |
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Address after: 27 Shandong City, Qingdao Province Economic and Technological Development Zone, Ali Shan Road, No. 27, unit 1 Applicant after: Zhongye Dongfang Engineering Techn Co., Ltd. Address before: 014010 the Inner Mongolia Autonomous Region Baotou City Queensland Steel Street No. 45 Applicant before: Zhongye Dongfang Engineering Techn Co., Ltd. |
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