CN100491883C - Hot repair method of lead-making furnace body - Google Patents
Hot repair method of lead-making furnace body Download PDFInfo
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- CN100491883C CN100491883C CNB2006100485474A CN200610048547A CN100491883C CN 100491883 C CN100491883 C CN 100491883C CN B2006100485474 A CNB2006100485474 A CN B2006100485474A CN 200610048547 A CN200610048547 A CN 200610048547A CN 100491883 C CN100491883 C CN 100491883C
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- furnace body
- blowing out
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- lead
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Abstract
The present invention relates to a hot repair method of lead-making furnace body for thermal state repairing on the local damage of the lead smelting furnace, adopting the sectional repairing method on the local damage of the furnace body and using the special type magnalium chrome refractory castable or the flowing material. It particularly is: before blowing out as planed, the structural steel or the woody materials are designed to make the moulds of itself according to the damage part of the furnace body; clearing the fireproof material of seriously burning part of the furnace body during the short term blowing out as planed; undersetting and fixing the self-command laying moulds; filling and laying the prepared handtailor casting materials or the flowing materials; air-drying after finishing the construction; extracting the moulds and roasting the casting part 16-24 hours, which can solve the local serious damage of the furnace body, and the maintenance is convenient and fast, and has lower cost than blowing out for heavy repair.
Description
Technical field
The present invention relates to a kind ofly, lead-smelting furnace body of heater local damage is carried out the body of heater hot repair method of the lead-smelting furnace of hot patching, solved long-term blowing out overhaul, saved the problem of recondition expense in the converter refining splicer skill.
Background technology
At present, thermal process is adopted in plumbous smelting 90% or more, and new oxygen bottom blowing, top blast reinforcement bath smelting technology become a kind of trend.Smelting furnace in the thermal process adopts expensive refractory material in a large number, such as magnesium chromium refractory brick etc., has increased the expense of body of heater overhaul.Local major injury occurs for each position and all can cause the blowing out overhaul, build stove again, the duration was from 30 days---do not wait by 60 days, and overhaul cost reaches more than 1,000,000 yuan (RMB).
Summary of the invention
For the damage that overcomes local refractory material influences the stopping production that whole stove causes, the invention provides a kind of body of heater hot repair method of lead-smelting furnace, this method can not only be repaired the body of heater local damage down fast hot, and the duration is short, expense is low, easy construction.
The technical solution adopted for the present invention to solve the technical problems is: adopt the sectional repair way for body of heater local damage position, use extraordinary Mg-Al-Cr castable refractory or self-flowing material, be specially:
The first step: before the plan blowing out, according to body of heater damage location project organization with steel or wood materials self manufacture mould;
Second step: planned short-term blowing out has been subjected to serious scaling loss position refractory material with body of heater and has removed;
The 3rd step: mould is built in self-control prop up and put and fix;
The 4th step: special material feeding or the self-flowing material of watering that will prepare inserted and built;
The 5th step: construction air-drying after finishing;
The 6th step: taking-up mould and baking were built part 16-24 hours.
The invention has the beneficial effects as follows, can solve the local major injury of body of heater in a short time, overhaul convenient, fastly, expense will reduce greatly than the blowing out overhaul.
The specific embodiment
Before the blowing out according to body of heater damage location project organization with steel or wood materials self manufacture mould (material is decided on the temperature height of damage location).Planned short-term blowing out, after blowing out and the suitable cooling, at first the refractory material with damage location manually uses pneumatic pick to dispose, put into from molding jig and fix, use Mg-Al-Cr quick-drying anti-explosion waters material feeding or self-flowing material is built in the scene, construction is carried out the short-term natural air drying after finishing, and taking-up mould and baking were built part 16-24 hours.Whole duration≤72 hour, Master Cost, operating expenses are aggregated in 4000---and 6000 yuans are not waited (deciding on repairing face size).
Claims (1)
1, a kind of body of heater hot repair method of lead-smelting furnace is characterized in that: adopt the sectional repair way for body of heater local damage position, use the Mg-Al-Cr quick-drying anti-explosion to water material feeding or self-flowing material, be specially:
The first step: before the plan blowing out, according to body of heater damage location project organization with steel or wood materials self manufacture mould;
Second step: planned short-term blowing out, after blowing out and the suitable cooling, at first the refractory material with damage location manually uses pneumatic pick to dispose;
The 3rd step: mould is built in self-control prop up and put and fix;
The 4th step: the Mg-Al-Cr quick-drying anti-explosion for preparing is watered material feeding or self-flowing material insert and build;
The 5th step: construction air-drying after finishing;
The 6th step: taking-up mould and baking were built part 16-24 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100485474A CN100491883C (en) | 2006-08-04 | 2006-08-04 | Hot repair method of lead-making furnace body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100485474A CN100491883C (en) | 2006-08-04 | 2006-08-04 | Hot repair method of lead-making furnace body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1908565A CN1908565A (en) | 2007-02-07 |
| CN100491883C true CN100491883C (en) | 2009-05-27 |
Family
ID=37699740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100485474A Expired - Fee Related CN100491883C (en) | 2006-08-04 | 2006-08-04 | Hot repair method of lead-making furnace body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100491883C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305544A (en) * | 2011-08-31 | 2012-01-04 | 河北钢铁股份有限公司承德分公司 | Online hot patching method of furnace lining of VN (vanadium nitride)-produced electric induction furnace |
| CN102519259A (en) * | 2011-12-27 | 2012-06-27 | 攀枝花钢城集团有限公司 | Crucible repairing method of medium frequency induction furnace |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101216252B (en) * | 2008-01-10 | 2010-10-06 | 株洲冶炼集团股份有限公司 | Large power electric stove induction apparatus rehabilitate method |
| CN104451008B (en) * | 2014-03-31 | 2016-09-14 | 江苏永钢集团有限公司 | A kind of blast furnace gravity flow fire-resistant castable construction method |
| CN108660276B (en) * | 2017-03-29 | 2019-10-29 | 鞍钢股份有限公司 | Converter cooling and secondary blow-in method |
| CN113686154A (en) * | 2021-08-17 | 2021-11-23 | 云南锡业股份有限公司锡业分公司 | Repairing method for high-temperature liquid metal discharge port discharge brick |
-
2006
- 2006-08-04 CN CNB2006100485474A patent/CN100491883C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305544A (en) * | 2011-08-31 | 2012-01-04 | 河北钢铁股份有限公司承德分公司 | Online hot patching method of furnace lining of VN (vanadium nitride)-produced electric induction furnace |
| CN102305544B (en) * | 2011-08-31 | 2013-08-21 | 河北钢铁股份有限公司承德分公司 | Online hot patching method of furnace lining of VN (vanadium nitride)-produced electric induction furnace |
| CN102519259A (en) * | 2011-12-27 | 2012-06-27 | 攀枝花钢城集团有限公司 | Crucible repairing method of medium frequency induction furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1908565A (en) | 2007-02-07 |
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Granted publication date: 20090527 Termination date: 20160804 |
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| CF01 | Termination of patent right due to non-payment of annual fee |