CN103588488B - The anti-plumbous chute of cast coating is washed circulation method - Google Patents
The anti-plumbous chute of cast coating is washed circulation method Download PDFInfo
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- CN103588488B CN103588488B CN201310314437.8A CN201310314437A CN103588488B CN 103588488 B CN103588488 B CN 103588488B CN 201310314437 A CN201310314437 A CN 201310314437A CN 103588488 B CN103588488 B CN 103588488B
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- plumbous
- chute
- cast coating
- plumbous chute
- high temperature
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Abstract
The invention discloses the anti-plumbous chute of a kind of cast coating and wash circulation method, in plumbous chute inwall upper coating, described cast coating covers the madial wall of whole plumbous chute, and mould material is made up of following weight portion raw material: phosphatase 11-2, aluminium hydroxide 1-2, water 5-10, kaolin 5-10, quartz sand 1-2, pulverized limestone 1-2, abundant mix and blend are made; Cast coating layer thickness is at 40-50mm. The present invention fills up effective overcoat on original plumbous chute, can effectively stop the plumbous liquid of high temperature to contact with the direct of chute, forms high temperature protection layer, makes same plumbous chute more can withstand the high temperature of plumbous liquid and scrub, and delays plumbous chute and is washed logical.
Description
Technical field
The present invention relates to a kind of pyrometallurgical smelting of lead and go out plumbous equipment maintenance, specifically pour into a mould the anti-plumbous chute of coating and wash circulation method.
Background technology
The plumbous chute of pyrometallurgical smelting of lead is continued to use according to drawing always; the manufacture craft of pig iron moulding by casting and without other safeguard measure; and the lead of facing 400-500 DEG C of high temperature in pyrometallurgical smelting of lead flows; because Long contact time is scrubbed; the particularly cupric oxide of enrichment in pyrometallurgical smelting of lead lead bullion, and high temperature has been accelerated the displacement reaction 2Fe+3CuO=3Cu+Fe that it and chute occur2O3, accelerated plumbous chute and washed logical process. The means that extend plumbous chute service life in traditional sense are to adopt to change better casting material and technique, make plumbous chute can the in the situation that of high temperature, resist scrubbing of plumbous liquid, and actual consequence be service life of plumbous chute many about 10 days or 15 days not etc., be the longlyest also no more than one month.
Summary of the invention
The object of the invention is to overcome the deficiency of original plumbous chute; on original plumbous chute, fill up effective overcoat; can effectively stop the plumbous liquid of high temperature to contact with the direct of chute; form high temperature protection layer; make same plumbous chute more can withstand the high temperature of plumbous liquid and scrub, delay plumbous chute and washed logical.
Technical scheme of the present invention is as follows:
The anti-plumbous chute of a kind of cast coating is washed circulation method, in plumbous chute inwall upper coating, described cast coating covers the madial wall of whole plumbous chute, and mould material is made up of following weight portion raw material: phosphatase 11-2, aluminium hydroxide 1-2,, water 5-10, kaolin 5-10, quartz sand 1-2, pulverized limestone 1-2, fully mix and blend is made; Cast coating layer thickness is at 40-50mm.
Described cast coating adopts cast, ramming mode to make it tightly be attached to the inner side of plumbous chute.
Described cast coating proportioning humidity is suitable, ensures agglomeratingly with holding, and decontrols into piece, tight after ramming.
Object of the present invention is mainly achieved by following technical proposals: the anti-plumbous chute of described cast coating is washed circulation method, to adopt industrial phosphoric acid, water, aluminium hydroxide is configured to pour into a mould solution according to a certain ratio, use again high temperature resistant castable 5-10, 0-5, three kinds of specifications such as fine powder mix according to a certain ratio, with preparing solution with preparing the abundant mix and blend of castable, be configured to the finished product castable that humidity is suitable (agglomerating with holding, decontrol into piece), adopt pneumatic pick, the instruments such as sledgehammer are tight by it, closely, ramming is in plumbous chute inner side uniformly, thickness should be advisable with 40-50mm, dry with charcoal fire, calcination gradually heats up.
The present invention has greatly reduced lead-smelting furnace body because changing plumbous chute down time, can save very most manpower and materials, promotes driving rate. Material of the present invention is very general high temperature resistant castable, cost is low, simple to operate, time saving and energy saving, so the present invention has advantage: can be economical, service life of improving and extend easily plumbous chute, effectively shorten and changed chute cost and the down time that chute brings, but also reduced employee's labour intensity. Material is easy to get, economy, and action required personnel are few, and method is simple, and effect significantly.
Brief description of the drawings
Fig. 1 is plumbous chute structural representation of the present invention.
Detailed description of the invention
Referring to accompanying drawing, the anti-plumbous chute of a kind of cast coating is washed circulation method, in plumbous chute inwall upper coating, described cast coating covers the madial wall of whole plumbous chute, and mould material is made up of following weight portion raw material: phosphatase 11-2, aluminium hydroxide 1-2,, water 5-10, kaolin 5-10, quartz sand 1-2, pulverized limestone 1-2, fully mix and blend is made; Cast coating layer thickness is at 40-50mm. Cast coating adopts cast, ramming mode to make it tightly be attached to the inner side of plumbous chute; Cast coating proportioning humidity is suitable, ensures agglomeratingly with holding, and decontrols into piece, tight after ramming.
Claims (1)
1. the anti-plumbous chute of cast coating is washed circulation method, on plumbous chute inwall, be provided with cast coating, it is characterized in that: described cast coating covers the madial wall of whole plumbous chute, and mould material is by following raw material: phosphatase 11-2, aluminium hydroxide 1-2,, water 5-10, kaolin 5-10, quartz sand 1-2, pulverized limestone 1-2, fully mix and blend is made; Cast coating layer thickness is at 40-50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310314437.8A CN103588488B (en) | 2013-07-24 | 2013-07-24 | The anti-plumbous chute of cast coating is washed circulation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310314437.8A CN103588488B (en) | 2013-07-24 | 2013-07-24 | The anti-plumbous chute of cast coating is washed circulation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103588488A CN103588488A (en) | 2014-02-19 |
| CN103588488B true CN103588488B (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310314437.8A Active CN103588488B (en) | 2013-07-24 | 2013-07-24 | The anti-plumbous chute of cast coating is washed circulation method |
Country Status (1)
| Country | Link |
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| CN (1) | CN103588488B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1537821A (en) * | 2003-04-18 | 2004-10-20 | 张东辉 | Water-proof acid resistant heat resistant light heat insulating casting material and its manufacturing method |
| CN101875561A (en) * | 2010-05-07 | 2010-11-03 | 高树森 | Nano-SiO2 and nano-CaO composite ceramic bond siliceous refractory castable and preparation method thereof |
| CN101973750A (en) * | 2010-10-21 | 2011-02-16 | 童金荣 | Inorganic heat-insulating material and preparation method thereof |
-
2013
- 2013-07-24 CN CN201310314437.8A patent/CN103588488B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1537821A (en) * | 2003-04-18 | 2004-10-20 | 张东辉 | Water-proof acid resistant heat resistant light heat insulating casting material and its manufacturing method |
| CN101875561A (en) * | 2010-05-07 | 2010-11-03 | 高树森 | Nano-SiO2 and nano-CaO composite ceramic bond siliceous refractory castable and preparation method thereof |
| CN101973750A (en) * | 2010-10-21 | 2011-02-16 | 童金荣 | Inorganic heat-insulating material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103588488A (en) | 2014-02-19 |
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