CN103276127A - Small jacket for blast furnace wind gap - Google Patents
Small jacket for blast furnace wind gap Download PDFInfo
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- CN103276127A CN103276127A CN2013102398663A CN201310239866A CN103276127A CN 103276127 A CN103276127 A CN 103276127A CN 2013102398663 A CN2013102398663 A CN 2013102398663A CN 201310239866 A CN201310239866 A CN 201310239866A CN 103276127 A CN103276127 A CN 103276127A
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Abstract
The invention relates to the field of1 blast furnace wind gap equipment, in particular to a small jacket for blast furnace wind gap. The small jacket comprises a front end and a main body, and is characterized in that the small jacket structure is provided with two independent cavities, namely the front cavity and the back cavity; cooling water is adopted to cool the cavities respectively, wherein the front cavity is cooled by soft water during normal operation, and the back cavity is connected with industrial water for emergency; and when the front cavity is damaged and water leaks, a water feed valve of the front cavity can be shut, and the back cavity can be started, so that the normal operation of the small jacket can still be guaranteed. Compared with the prior art, the small jacket provided by the invention has the benefits that the small jacket adopts the method of double inlets and double outlets; the front cavity is cooled by soft water for normal operation, and the back cavity is connected with industrial water for emergency, so that the overall service life can be prolonged by approximate 3 months; the replacement of the small jacket can increase in operation efficiency during planned damping down period without influencing the production of the blast furnace; and the use value and economic benefit are good.
Description
Technical field
The present invention relates to the blast-furnace tuyere apparatus field, particularly a kind of blast furnace tuyere small sleeve.
Background technology
Tuyere small sleeve is one of visual plant of blast furnace production.The tuyere small sleeve patent is a lot, disclosed as ZL200520024580.4, ZL200520031357.2, ZL200520085734.0 etc. all is the apparatus body that adopts unlike material such as copper, refractory materials etc. to make, though material difference, but their common ground all is singly to advance singly to go out pattern, be that water coolant is introduced into little cover ante-chamber, flow behind the screw, discharged by back cavity again.In case the shortcoming of this class tuyere small sleeve is structure deteriorate, just must stop to supply water, can destroy the cupola well thermal system otherwise leak, influence working of a furnace operation; Leak but with brick fuel generating gasification reactive etching brick fuel, influence cupola well, the life of bottom.If it is too much that quantity is damaged in the air port, the interim damping down of just having to is changed little cover, causes the blast furnace underproduction, influences economic benefit.These little cover life-spans are generally about 6 months or shorter.
Summary of the invention
The purpose of this invention is to provide a kind of blast furnace tuyere small sleeve, simple in structure, easy to make, safe and reliable, improve bulk lifetime, make it safeguard in phase and change at the plan damping down, guarantee the blast furnace ordinary production.
For achieving the above object, the present invention adopts following technical scheme to realize:
A kind of blast furnace tuyere small sleeve comprises front end and body, it is characterized in that, has two separate cavitys on the little nested structure, be ante-chamber and back cavity, adopt water coolant to cool off respectively, ante-chamber adopts the soft water cooling, ordinary production is used, and back cavity connects service water, as standby; When the ante-chamber damage is leaked, close the ante-chamber feed water valve, enable back cavity, can guarantee that still little cover normally uses.
Described body is divided into front and rear, its forward outer surface is provided with the groove that duplex is arranged, two ditch front of the slot are connected, and the rear end of two grooves links to each other with the ante-chamber water port with ante-chamber water-in on being positioned at the body aft end face by pipeline respectively, and body portion and front end combination back form ante-chamber.
Described back cavity is the cavity structure at the rear portion self of body, vertically is provided with a split-flow baffles in the back cavity, back cavity respectively be positioned at the body aft end face on back cavity water-in and back cavity water port be connected.
Described front end is the hollow cone body, and its termination inwardly curls into hydraucone.
Described front end and body all adopt the fine copper casting, adopt welding process to connect between the two.
Described pipeline runs through back cavity.
Compared with prior art, the invention has the beneficial effects as follows: little jacket water adopts the mode that goes with each other all the time, ante-chamber adopts the soft water cooling, and ordinary production is used, and back cavity connects service water, as standby, can obviously prolong the equipment bulk life time about 3 months, the replacing of little cover can be implemented in the plan damping down phase, had improved operation rate of blast furnace, do not influence the production of blast furnace, have good use value and economic benefit.
Description of drawings
Fig. 1 is embodiment of the invention structural representation;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is embodiment of the invention body construction synoptic diagram;
Fig. 4 is along B-B line sectional view among Fig. 2.
Among the figure: 1-front end 2-body 3-ante-chamber 4-back cavity 5-split-flow baffles 6-ante-chamber suction culvert 7-ante-chamber outlet pipeline 8-ante-chamber water-in 9-ante-chamber water port 10-back cavity water-in 11-back cavity water port 12-groove
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
See Fig. 1, Fig. 2, it is a kind of blast furnace tuyere small sleeve example structure of the present invention synoptic diagram, comprise front end 1 and body 2, have two separate cavitys on the little nested structure, namely ante-chamber 3 and back cavity 4 adopt water coolant to cool off respectively, ante-chamber adopts the soft water cooling, ordinary production is used, and back cavity connects service water, as standby; When ante-chamber 3 damages are leaked, close the ante-chamber feed water valve, enable back cavity 4, can guarantee that still little cover normally uses.Front end 1 and body 2 all adopt the fine copper casting, adopt welding process to connect between the two.Front end 1 is the hollow cone body, and its termination inwardly curls into hydraucone.
See Fig. 3, Fig. 4, body 2 is divided into front and rear, its forward outer surface is provided with the groove 12 that duplex is arranged, two groove 12 front ends are connected, the rear end of two grooves links to each other with ante-chamber water port 9 with ante-chamber water-in 8 on being positioned at the body aft end face by ante-chamber suction culvert 6 and ante-chamber outlet pipeline 7 respectively, between ante-chamber suction culvert 6 and the ante-chamber outlet pipeline 7 shared tube wall is arranged.Body 2 anterior and front end 1 combination back formation ante-chambers 3.Ante-chamber suction culvert 6 and ante-chamber outlet pipeline 7 connect back cavity 4.
Back cavity 4 is the cavity structure at the rear portion self of body 2, vertically is provided with a split-flow baffles 12 in the back cavity 4, back cavity respectively be positioned at the body aft end face on back cavity water-in 10 and back cavity water port 11 be connected.Back cavity water-in 10 and back cavity water port were located at the both sides of split-flow baffles 12 in 11 minutes, wherein the high liquid level (HLL) under the corresponding little complete equipment normal operating conditions of the opening absolute altitude of back cavity water port 11.
Claims (6)
1. a blast furnace tuyere small sleeve comprises front end and body, it is characterized in that, has two separate cavitys on the little nested structure, be ante-chamber and back cavity, adopt water coolant to cool off respectively, ante-chamber adopts the soft water cooling, ordinary production is used, and back cavity connects service water, as standby; When the ante-chamber damage is leaked, close the ante-chamber feed water valve, enable back cavity, can guarantee that still little cover normally uses.
2. a kind of blast furnace tuyere small sleeve according to claim 1, it is characterized in that, described body is divided into front and rear, its forward outer surface is provided with the groove that duplex is arranged, two ditch front of the slot are connected, the rear end of two grooves links to each other with the ante-chamber water port with ante-chamber water-in on being positioned at the body aft end face by pipeline respectively, and body portion and front end combination back form ante-chamber.
3. a kind of blast furnace tuyere small sleeve according to claim 1, it is characterized in that, described back cavity is the cavity structure at the rear portion self of body, vertically is provided with a split-flow baffles in the back cavity, back cavity respectively be positioned at the body aft end face on back cavity water-in and back cavity water port be connected.
4. a kind of blast furnace tuyere small sleeve according to claim 1 is characterized in that, described front end is the hollow cone body, and its termination inwardly curls into hydraucone.
5. a kind of blast furnace tuyere small sleeve according to claim 1 is characterized in that, described front end and body all adopt the fine copper casting, adopts welding process to connect between the two.
6. a kind of blast furnace tuyere small sleeve according to claim 2 is characterized in that, described pipeline runs through back cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102398663A CN103276127A (en) | 2013-06-14 | 2013-06-14 | Small jacket for blast furnace wind gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102398663A CN103276127A (en) | 2013-06-14 | 2013-06-14 | Small jacket for blast furnace wind gap |
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| CN103276127A true CN103276127A (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013102398663A Pending CN103276127A (en) | 2013-06-14 | 2013-06-14 | Small jacket for blast furnace wind gap |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109439826A (en) * | 2018-12-13 | 2019-03-08 | 常州市武进长虹结晶器有限公司 | Blast furnace cooling air port |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2652940Y (en) * | 2003-06-18 | 2004-11-03 | 山东只楚民营科技园股份有限公司鲁宝有色合金厂 | Novel blast furnace air mouth |
| CN1810995A (en) * | 2006-01-24 | 2006-08-02 | 河北省万全县丰华有色金属加工厂 | Tuyere cover of blast furnace |
| CN102191346A (en) * | 2011-06-02 | 2011-09-21 | 中冶京诚工程技术有限公司 | Combined type tuyere small sleeve |
| CN202347037U (en) * | 2011-12-02 | 2012-07-25 | 中冶赛迪工程技术股份有限公司 | Blast-furnace tuyere structure |
| CN202989192U (en) * | 2012-12-17 | 2013-06-12 | 武汉钢铁(集团)公司 | Blast-furnace tuyere small sleeve |
-
2013
- 2013-06-14 CN CN2013102398663A patent/CN103276127A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2652940Y (en) * | 2003-06-18 | 2004-11-03 | 山东只楚民营科技园股份有限公司鲁宝有色合金厂 | Novel blast furnace air mouth |
| CN1810995A (en) * | 2006-01-24 | 2006-08-02 | 河北省万全县丰华有色金属加工厂 | Tuyere cover of blast furnace |
| CN102191346A (en) * | 2011-06-02 | 2011-09-21 | 中冶京诚工程技术有限公司 | Combined type tuyere small sleeve |
| CN202347037U (en) * | 2011-12-02 | 2012-07-25 | 中冶赛迪工程技术股份有限公司 | Blast-furnace tuyere structure |
| CN202989192U (en) * | 2012-12-17 | 2013-06-12 | 武汉钢铁(集团)公司 | Blast-furnace tuyere small sleeve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109439826A (en) * | 2018-12-13 | 2019-03-08 | 常州市武进长虹结晶器有限公司 | Blast furnace cooling air port |
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Application publication date: 20130904 |