CN101196373B - Environment friendly system for smelting copper and copper alloy - Google Patents
Environment friendly system for smelting copper and copper alloy Download PDFInfo
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- CN101196373B CN101196373B CN2007100060604A CN200710006060A CN101196373B CN 101196373 B CN101196373 B CN 101196373B CN 2007100060604 A CN2007100060604 A CN 2007100060604A CN 200710006060 A CN200710006060 A CN 200710006060A CN 101196373 B CN101196373 B CN 101196373B
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- flue dust
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Abstract
The invention belongs to the copper alloy processing field. Aiming at that a larger space is provided between a smelting furnace and a dust cover separated with each other in the prior art, when usingpartial scrap copper and even the entire scrap copper to smelt copper or copper alloy, the pollution is serious and the useful materials in the dust are wasted, an environmental protection system ofcopper and copper alloy smelting of the invention is adopted. The useful materials in the dust are recovered, the working environment of smelting is greatly improved and the waste gas exhausted by smelting is superior to the current national industrial waste gas emission standard. The system consists of a smelting furnace (1), a lower gate of the dust cover (2), an upper gate of the dust cover (3), a dust cover (4), a dust collector cyclone (10), a powder collecting box (11), a pipeline (5), a pulsed jet cloth filter (6), a dust box (9), an induced draft fan (8), a vent pipe (7), a slag drop channel (12), a slag connecting box (13) and an operations area (14). The system is also suitable for the environmental protection systems of other nonferrous metal and ferrous metal smelting.
Description
Technical field
The environment friendly system of a kind of copper and smelting copper alloy belongs to the copper material manufacture field.
Background technology
In existing copper and copper alloy casting technology, general smelting furnace is the rotating turndown of tape spool, and melted alloy liquation is poured into tundish or holding furnace, so that further processing.Therefore, the flue dust cover above melting generally separates with smelting furnace, and bigger space is arranged between the two, operates to make things convenient for the workman, as adds alloy material, adds coverture, adds scouring agent, ladles out slag, topples over alloy liquation etc.Therefore, in actual production process, especially raw material contains the useless composition brass of part or when all be useless composition brass, because of in the composition brass that gives up with other a large amount of low-melting-point metals, inorganic non-metallic compound, organic matter etc., black smog fills the air whole workshop rapidly when feeding in raw material; In the copper alloy fusion process, low-melting-point metal is volatile, as volatilizes pungent zinc oxide steam fog, and after a period of time, knot is expired thick zinc oxide film etc. on the roof in workshop; In ladling out the slag process, with thermal current cigarette ash projection, melting work environmental abnormality is abominable in the whole workshop in the process of ladling out for the slag of high temperature, ash, and the environment outside the workshop is severe overweight also.Flue dust is contaminated environment not only, and the dust in the flue dust also can't reclaim, and lighter not going up again utilized.
According to incompletely statistics, process 400,000 tons of finished product copper and copper alloy with useless composition brass, dust in the flue dust and slag reach 10,000 tons, and the dust in 10,000 tons in the flue dust heavily accounts for nearly 30%.By analysis, on average contain zinc oxide 50wt% in dust in the flue dust and the slag, also contain aluminium, lead, copper etc.As the dust in the flue dust being reclaimed with favourable processing, utilization more from now on.Therefore, the environment friendly system of inventing a kind of copper and smelting copper alloy is copper and smelting copper alloy, particularly utilizes useless composition brass melting copper and copper alloy manufacturing technology problem anxious to be solved.
Summary of the invention
The objective of the invention is to overcome the shortcoming of existing copper and smelting copper alloy technology, a kind of environment friendly system of collecting the dust in slag, the flue dust in copper and the smelting copper alloy process is provided, provide a kind of copper and smelting copper alloy toxic emission to reach the system of national industrial gas emission standard, this system is the needs of green manufacturing, also has great economic worth.
Form to the doorstep by (3), flue dust cover (4), cyclone dust collectors (10), collection powder case (11), pipeline (5), pulsed jet cloth filter (6), disposal box (9), air-introduced machine (8), blast pipe (7), the slag passage (12) that falls, slag trapping box (13), operating desk (14) by smelting furnace (1), flue dust cover Xiamen (2), flue dust cover for the environment friendly system of a kind of copper of the present invention and smelting copper alloy.
In the environment friendly system of this copper and smelting copper alloy, smelting furnace (1) closely is connected with flue dust cover (4), and when system works, no industrial waste gas is overflowed from both junctions; Flue dust with the wind that enters flue dust cover Xiamen (2) with the wind that enters slag passage (12), successively enters flue dust cover (4), cyclone dust collectors (10), pipeline (5), pulsed jet cloth filter (6), blast pipe (7) under the effect of air-introduced machine (8); Cigarette and dirt in the flue dust are separated, the big high particle of particle, temperature is removed and is collected into by cyclone dust collectors in the collection powder case (11) in the flue dust, the low particle of particle, temperature thin in the flue dust is filtered, collects in the disposal box (9) by pulsed jet cloth filter (6), cigarette in the flue dust up to standard enters atmosphere from blast pipe (7), and the concentration of discharging dust is less than 28mg/m
3On operating desk (14), open flue dust cover Xiamen, to ladle out slag and pour slag passage (12) into, slag falls into slag trapping box (13) along passage, and flue dust can not overflowed from the slag passage (12) that falls; On operating desk (14), open flue dust cover Xiamen (2), carry out the operation of each operation of melting, cigarette can not overflowed from flue dust cover Xiamen (2), and is easy to operate; Shutting flue dust cover Xiamen (2) At All Other Times; Collection powder case (11), disposal box (9), the interior powder of slag trapping box (13), dirt, slag are in time cleared up respectively at normal temperatures, do not have flue dust during cleaning and overflow.
In the environment friendly system of above-mentioned a kind of copper and smelting copper alloy, flue dust cover Xiamen (2) and flue dust cover to the doorstep (3) are arranged on the flue dust cover (4), open flue dust cover Xiamen (2) and be convenient to smelting operation, open the flue dust cover to the doorstep (3) be convenient to smelting furnace (1) overhaul; At ordinary times, flue dust cover (3) to the doorstep generally is in closed condition.
The environment friendly system of a kind of copper of the present invention and smelting copper alloy is fit to the environmental protection treatment with the smelting furnace of useless composition brass manufactured copper of part and copper alloy.
The environment friendly system of a kind of copper of the present invention and smelting copper alloy is fit to the environmental protection treatment with the smelting furnace of whole useless composition brass manufactured coppers and copper alloy.
The environment friendly system of a kind of copper of the present invention and smelting copper alloy also is applicable to copper removal and copper alloy other the coloured and environmental protection treatment smelting ferrous metal stove in addition.
Compared with prior art, the present invention has following advantage:
Because existing smelting furnace is that Dumpage type, smelting furnace separate, have bigger space between the two with the flue dust cover, melting copper and copper alloy, particularly with the useless composition brass of part even when all giving up composition brass melting copper and copper alloy, pollute extremely serious, environment is extremely abominable, utility in the flue dust wastes, adopt the environment friendly system of a kind of copper of the present invention and smelting copper alloy, 1. the useful material in the flue dust is recovered, and reclaims back favourable this dust of developing a circular economy, reprocess; 2. the working environment of melting is improved greatly, and melting institute exhaust gas discharged is better than existing national industrial gas emission standard 100mg/m
3
Description of drawings
Fig. 1 is the schematic diagram of the environment friendly system of a kind of copper and smelting copper alloy.
Fig. 2 is the partial schematic diagram of the environment friendly system of a kind of copper and smelting copper alloy, comprises smelting furnace (1), flue dust cover (4), slag passage (12) etc. falls.
The profile that Fig. 3 locates in flue dust cover Xiamen (2) for Fig. 2.
The specific embodiment
Adopt the environment friendly system of a kind of copper of the present invention and smelting copper alloy, with useless composition brass melting brass HPb59-1, the meltshop environment is improved greatly, and particle reaches 25mg/m in the discharging flue dust
3, dust obtains reclaiming.
Claims (5)
1. the environment friendly system of copper and smelting copper alloy is characterized in that:
A. (3), flue dust cover (4), cyclone dust collectors (10), collection powder case (11), pipeline (5), pulsed jet cloth filter (6), disposal box (9), air-introduced machine (8), blast pipe (7), the slag passage (12) that falls, slag trapping box (13), operating desk (14) are formed to the doorstep by smelting furnace (1), flue dust cover Xiamen (2), flue dust cover in system;
B. smelting furnace (1) closely is connected with flue dust cover (4), and when system works, no industrial waste gas is overflowed from both junctions;
C. flue dust with the wind that enters flue dust cover Xiamen (2) with the wind that enters slag passage (12), successively enters flue dust cover (4), cyclone dust collectors (10), pipeline (5), pulsed jet cloth filter (6), blast pipe (7) under the effect of air-introduced machine (8); Cigarette and dirt in the flue dust are separated, the big high particle of particle, temperature is removed and is collected into by cyclone dust collectors in the collection powder case (11) in the flue dust, the low particle of particle, temperature thin in the flue dust is filtered, collects in the disposal box (9) by pulsed jet cloth filter (6), cigarette in the flue dust up to standard enters atmosphere from blast pipe (7), and the concentration of discharging dust is less than 28mg/m
3
D. on operating desk (14), open flue dust cover Xiamen, ladle out slag and pour slag passage (12) into, slag falls into slag trapping box (13) along passage, and flue dust can not overflowed from the slag passage (12) that falls;
E. on operating desk (14), open flue dust cover Xiamen (2), carry out the operation of each operation of melting, cigarette can not overflowed from flue dust cover Xiamen (2), and is easy to operate; Shutting flue dust cover Xiamen (2) At All Other Times;
F. collect powder case (11), disposal box (9), the interior powder of slag trapping box (13), dirt, slag and in time cleared up respectively at normal temperatures, do not have flue dust during cleaning and overflow.
2. the environment friendly system of a kind of copper as claimed in claim 1 and smelting copper alloy, it is characterized in that: flue dust cover Xiamen (2) and flue dust cover (3) are to the doorstep arranged on the flue dust cover (4), open flue dust cover Xiamen (2) and be convenient to smelting operation, open the flue dust cover to the doorstep (3) be convenient to smelting furnace (1) overhaul; At ordinary times, flue dust cover (3) to the doorstep generally is in closed condition.
3. the environment friendly system of a kind of copper as claimed in claim 1 and smelting copper alloy is characterized in that the suitable environmental protection treatment of using the smelting furnace of useless composition brass manufactured copper of part and copper alloy.
4. the environment friendly system of a kind of copper as claimed in claim 1 and smelting copper alloy is characterized in that being fit to the environmental protection treatment with the smelting furnace of whole useless composition brass manufactured coppers and copper alloy.
5. the environment friendly system of a kind of copper as claimed in claim 1 and smelting copper alloy is characterized in that this environment friendly system also is applicable to copper removal and copper alloy other the coloured and environmental protection treatment smelting ferrous metal stove in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100060604A CN101196373B (en) | 2007-01-25 | 2007-01-25 | Environment friendly system for smelting copper and copper alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100060604A CN101196373B (en) | 2007-01-25 | 2007-01-25 | Environment friendly system for smelting copper and copper alloy |
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| Publication Number | Publication Date |
|---|---|
| CN101196373A CN101196373A (en) | 2008-06-11 |
| CN101196373B true CN101196373B (en) | 2010-04-14 |
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| CN2007100060604A Active CN101196373B (en) | 2007-01-25 | 2007-01-25 | Environment friendly system for smelting copper and copper alloy |
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| CN103224150B (en) * | 2013-04-10 | 2015-12-02 | 王盛 | A kind of mercuric chloride catalyst non-proliferation operator's compartment |
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| CN104278160B (en) * | 2014-10-31 | 2016-06-08 | 宁波大学 | A kind of environmental protection smelting process of the low cost equipment of low-grade copper raw material |
| CN104313344B (en) * | 2014-10-31 | 2016-05-11 | 宁波大学 | A kind of low-grade copper draws the environment protection method of electrician's copper bar on smelting |
| CN106268139B (en) * | 2015-05-22 | 2018-06-26 | 鲁霄钢 | A kind of optimization power distribution cabinet overall structure dust pelletizing system |
| CN105651071B (en) * | 2016-03-17 | 2017-10-17 | 湖南建勋环保资源科技发展有限公司 | A kind of small-sized smelting furnace that getter cover is housed at discharging |
| CN108015296A (en) * | 2018-01-12 | 2018-05-11 | 赤峰中色锌业有限公司 | Hydraulic atomization zinc powder production system |
| CN109260876B (en) * | 2018-11-06 | 2021-02-26 | 杭州富阳星宇铜业有限公司 | Dust removal method for copper and copper alloy production process |
| CN109506461B (en) * | 2018-11-06 | 2020-03-24 | 广东飞南资源利用股份有限公司 | Environmental protection system for smelting copper and copper alloy |
| CN109737760B (en) * | 2018-12-13 | 2020-06-02 | 潞城市瑞兆阳金属制品有限公司 | Non-ferrous metal smelting dust removal process |
| CN109737761B (en) * | 2018-12-13 | 2020-08-04 | 赣州富尔特电子股份有限公司 | Non-ferrous metal smelting equipment |
| CN111926212A (en) * | 2020-08-28 | 2020-11-13 | 湖南工程学院 | Production process of superfine oxygen-free copper-silver alloy wire for electronics and electrics |
| CN114774721B (en) * | 2022-03-04 | 2023-08-25 | 宁波长振铜业有限公司 | Copper alloy smelting automation system |
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| CN2266602Y (en) * | 1996-04-09 | 1997-11-05 | 韩正君 | Small size pyro-smelting furnace for matte |
| CN2460232Y (en) * | 2001-01-08 | 2001-11-21 | 胡金高 | Movable gas collection cover for non-ferrous metal smelting furnace |
| CN1411894A (en) * | 2001-10-19 | 2003-04-23 | 陈泽峰 | Cloth bag and active carbon filter combined three-stage high-effective dust-removing cleaning equipment |
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- 2007-01-25 CN CN2007100060604A patent/CN101196373B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049053A (en) * | 1990-09-18 | 1991-02-06 | 朱继伦 | Center of rotation dust-collecting method and high temperature dust-collecting hood thereof |
| CN1056161A (en) * | 1991-05-15 | 1991-11-13 | 长沙汽车电器厂 | Smoke elimination and dust removing method of aluminium smelting furnace and equipment thereof |
| CN2266602Y (en) * | 1996-04-09 | 1997-11-05 | 韩正君 | Small size pyro-smelting furnace for matte |
| CN2460232Y (en) * | 2001-01-08 | 2001-11-21 | 胡金高 | Movable gas collection cover for non-ferrous metal smelting furnace |
| CN1411894A (en) * | 2001-10-19 | 2003-04-23 | 陈泽峰 | Cloth bag and active carbon filter combined three-stage high-effective dust-removing cleaning equipment |
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| CN101196373A (en) | 2008-06-11 |
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