CN103453778B - Waste gas drying system for smelting furnace - Google Patents
Waste gas drying system for smelting furnace Download PDFInfo
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- CN103453778B CN103453778B CN201310394143.0A CN201310394143A CN103453778B CN 103453778 B CN103453778 B CN 103453778B CN 201310394143 A CN201310394143 A CN 201310394143A CN 103453778 B CN103453778 B CN 103453778B
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Abstract
The invention relates to a waste gas drying system for a smelting furnace. The waste gas drying system mainly comprises smelting furnaces, heat air valves, switching air valves, adjusting air valves, a smoke dust filter, a conveying belt and a chimney, wherein a plurality of smelting furnaces are arranged, and are provided with heat air valves; the two switching air valves are positioned on both sides of the smelting furnaces respectively; one end of an air supply pipeline is connected with the chimney, and the other end of the air supply pipeline is connected with the adjusting air valves, the smoke dust filter and the conveying belt; the three adjusting air valves comprising an adjusting air valve A, an adjusting air valve B and an adjusting air valve C are arranged respectively; a first temperature measuring point is formed between the switching air valve B and the switching air valve A; a second temperature measuring point is formed in front of the air inlet of the smoke dust filter; an automatic raw material input port is formed between the adjusting air valve C and the conveying belt; the first temperature measuring point and the second temperature measuring point are connected with the heat air valves through a controller. The waste gas drying system has the advantages that waste gas produced by the smelting furnace is used for drying waste aluminum, so that carbon energy is saved, and air pollution is lowered.
Description
Technical field
The present invention relates to a kind of smelting furnace waste gas drying system, specifically a kind of device utilizing the waste gas of smelting furnace to dry aluminum feedstock.
Background technology
At our daily industrial raw material aluminium ingot, by national standard (
gB/T 1196-2008) should cry " remelting aluminium ingot ", but everybody cries and has been used to " aluminium ingot ".It is produced by electrolysis with aluminium oxide-ice crystal.Aluminium ingot has two large classes after entering commercial Application: Birmasil and wrought aluminium alloy.Casting Al and Alalloy is the foundry goods producing aluminium with casting method; Distortion Al and Alalloy is the converted products producing aluminium with pressure processing method: plate, band, paper tinsel, tube, rod section, line and forging.According to national standard " remelting aluminium ingot is according to chemical composition divided into 8 trades mark, is Al99.90, Al99.85, Al99.70, Al99.60, Al99.50, Al99.00, Al99.7E, Al99.6E respectively " (note: the numeral after Al is aluminium content)." A00 " aluminium that someone cries, being actually containing aluminium is the aluminium of 99.7% purity, London market is named " standard aluminum ".As you know China in the fifties technical standard all from the former Soviet Union, " A00 " is Russian trade mark in russian national standard, and " A " is Russion letter, instead of English " A " word, neither " A " and the international joint of Chinese phonetic alphabet, claim " standard aluminum " more definite.Standard aluminum is exactly the aluminium ingot containing 99.7% aluminium, and what London market was registered is exactly it.
At present, in process of production, first to reclaim waste product aluminium after cleaning, drying, re-use smelting furnace and aluminium block be melt into aluminium liquid.When drying waste product aluminium, existing way utilizes the hot gas produced of making charcoal to dry waste product aluminium, needs the energy of consumption many, and containing pernicious gas in the hot gas of generation of making charcoal, be disposed in air and can pollute air, be unfavorable for environmental protection.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of smelting furnace waste gas drying system utilizing the waste gas of smelting furnace to dry aluminum feedstock.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of smelting furnace waste gas drying system, and its innovative point is: mainly comprise smelting furnace, heat air-valve, switch air-valve, adjusting air valve, smoke filter, conveyer belt, air duct and chimney;
Described smelting furnace has several, is all connected with air duct by discharge duct, and the discharge duct of each smelting furnace is provided with a heat air-valve;
Described switching air-valve one has two, is respectively and switches air-valve A and switch air-valve B, and described switching air-valve A is installed on air duct with switching air-valve B, and lays respectively at the both sides of smelting furnace;
Described air duct is connected with chimney near the one end switching air-valve A, air duct is positioned at the one end switching air-valve B and is provided with adjusting air valve, smoke filter and conveyer belt, described adjusting air valve one has three, be respectively adjusting air valve A, adjusting air valve B and adjusting air valve C, adjusting air valve A, smoke filter, adjusting air valve B, adjusting air valve C and conveyer belt are successively set on the rear switching air-valve B, the first point for measuring temperature is provided with between switching air-valve B and adjusting air valve A, the second point for measuring temperature is provided with before the air inlet of smoke filter, adjusting air valve B is connected with chimney, the automatic input port of raw material is provided with between adjusting air valve C and conveyer belt, described first point for measuring temperature and the second point for measuring temperature are connected with heat air-valve by controller, and control opening of heat air-valve.
The invention has the advantages that: the useless flue gas utilizing smelting furnace to produce is dried waste product aluminium, saves the carbon energy, decreases the pollution to air simultaneously, is beneficial to environmental protection; The useless flue gas of smelting furnace can well be utilized simultaneously, has accomplished that good waste gas circulation utilizes.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of smelting furnace waste gas drying system of the present invention.
Detailed description of the invention
Schematic diagram is as shown in Figure 1 known, and smelting furnace waste gas drying system of the present invention mainly comprises smelting furnace, heat air-valve, switches air-valve, adjusting air valve, smoke filter 15, conveyer belt 19, air duct 13 and chimney.
In the present embodiment, smelting furnace one has four, be respectively smelting furnace A4, smelting furnace B5, smelting furnace C7 and smelting furnace D8, smelting furnace A4, smelting furnace B5, smelting furnace C7 and smelting furnace D8 are all connected with air duct 13 by discharge duct, the discharge duct of smelting furnace A4 is provided with heat air-valve A2, the discharge duct of smelting furnace B5 is provided with heat air-valve B3, the discharge duct of smelting furnace C7 is provided with heat air-valve C6, the discharge duct of smelting furnace D8 is provided with heat air-valve D9.
Switch air-valve one and have two, be respectively switching air-valve A1 and switch air-valve B10, switch air-valve A1 and be installed on air duct 13 with switching air-valve B10, and switch air-valve A1 and switch the both sides that air-valve B10 lays respectively at all smelting furnaces.
Air duct 13 is connected with chimney near the one end switching air-valve A1, and air duct 13 is positioned at the one end switching air-valve B10 and is provided with adjusting air valve, smoke filter 15 and conveyer belt 19, adjusting air valve one has three, is respectively adjusting air valve A12, adjusting air valve B16 and adjusting air valve C18, adjusting air valve A12, smoke filter 15, adjusting air valve B16, adjusting air valve C18 and conveyer belt 19 are successively set on the rear switching air-valve B10, the first point for measuring temperature 11 is provided with between switching air-valve B10 and adjusting air valve A12, the second point for measuring temperature 14 is provided with before the air inlet of smoke filter 15, adjusting air valve B16 is connected with chimney, raw material automatic input port 17, first point for measuring temperature 11 is provided with and the second point for measuring temperature 14 is divided and heat air-valve A2 by controller between adjusting air valve C18 and conveyer belt 19, heat air-valve B3, heat air-valve C6, heat air-valve D9 is connected, and controls heat air-valve A2, heat air-valve B3, heat air-valve C6, heat air-valve D9 opens and closedown.
When needs are dried waste product aluminium, close and switch air-valve A1, open and switch air-valve B12, heat air-valve A2, heat air-valve B3, heat air-valve C6, heat air-valve D9, the useless flue gas produced in smelting furnace A4, smelting furnace B5, smelting furnace C7 and smelting furnace D8 is delivered to conveyer belt 19 place by air duct 13, the waste product aluminium entered from the automatic input port 17 of raw material is dried.In drying course, detected by the temperature of the useless flue gas in the first point for measuring temperature 11 and the second point for measuring temperature 14 pairs of air ducts 13, when the temperature detected is too high, can be as the case may be, select to close heat air-valve A2, heat air-valve B3, heat air-valve C6, heat air-valve D9, accordingly, if temperature is too low, then open heat air-valve A2, heat air-valve B3, heat air-valve C6, heat air-valve D9.Meanwhile, in the process of drying, according to actual conditions, by the cooperation between adjusting air valve A12, adjusting air valve B16 and adjusting air valve C18, the amount of useless flue gas can be controlled.When not needing to dry, then close and switch air-valve B10, open and switch air-valve A1, directly the useless flue gas produced in smelting furnace A4, smelting furnace B5, smelting furnace C7 and smelting furnace D8 is discharged from chimney.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (1)
1. a smelting furnace waste gas drying system, is characterized in that: mainly comprise smelting furnace, heat air-valve, switch air-valve, adjusting air valve, smoke filter, conveyer belt, air duct and chimney;
Described smelting furnace has several, is all connected with air duct by discharge duct, and the discharge duct of each smelting furnace is provided with a heat air-valve;
Described switching air-valve one has two, is respectively and switches air-valve A and switch air-valve B, and described switching air-valve A is installed on air duct with switching air-valve B, and lays respectively at the both sides of all smelting furnaces;
Described air duct is connected with chimney near the one end switching air-valve A, air duct is positioned at the one end switching air-valve B and is provided with adjusting air valve, smoke filter and conveyer belt, described adjusting air valve one has three, be respectively adjusting air valve A, adjusting air valve B and adjusting air valve C, adjusting air valve A, smoke filter, adjusting air valve B, adjusting air valve C and conveyer belt are successively set on the rear switching air-valve B, the first point for measuring temperature is provided with between switching air-valve B and adjusting air valve A, the second point for measuring temperature is provided with before the air inlet of smoke filter, adjusting air valve B is connected with chimney, the automatic input port of raw material is provided with between adjusting air valve C and conveyer belt, described first point for measuring temperature and the second point for measuring temperature are connected with heat air-valve by controller, and control opening of heat air-valve.
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| CN201310394143.0A CN103453778B (en) | 2013-09-03 | 2013-09-03 | Waste gas drying system for smelting furnace |
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| CN201310394143.0A CN103453778B (en) | 2013-09-03 | 2013-09-03 | Waste gas drying system for smelting furnace |
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| CN103453778A CN103453778A (en) | 2013-12-18 |
| CN103453778B true CN103453778B (en) | 2015-04-01 |
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| CN105466162B (en) * | 2015-11-28 | 2017-08-18 | 浙江精一重工有限公司 | Metal fillings processing unit |
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| EP0049328B1 (en) * | 1980-09-24 | 1984-12-27 | Klöckner GEFI KG Industrielle Wärmetechnik | Device for the heat recovery of waste gases of some plants |
| CN201611210U (en) * | 2010-04-30 | 2010-10-20 | 攀枝花九鼎建材有限责任公司 | Residual heat extraction and utilization system of coal gangue brick tunnel kiln |
| CN101988804A (en) * | 2010-12-09 | 2011-03-23 | 宁波钢铁有限公司 | Device and method for drying blast furnace ores and coke groove by recycling residual heat of circular cooler |
| CN102410744A (en) * | 2011-11-25 | 2012-04-11 | 佛山市通润热能科技有限公司 | Waste heat comprehensive utilization system in aluminum profile production line |
| CN102538491A (en) * | 2012-01-31 | 2012-07-04 | 首钢总公司 | System and method utilizing flue duct waste gas of hot air furnace to bake and preheat charging of blast furnace |
| CN202482387U (en) * | 2012-01-19 | 2012-10-10 | 宝山钢铁股份有限公司 | Flue gas waste heat recovery system for annealing furnace |
| CN202808735U (en) * | 2012-09-28 | 2013-03-20 | 中冶东方工程技术有限公司 | Waste heat flue gas recycling and adjusting device |
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2013
- 2013-09-03 CN CN201310394143.0A patent/CN103453778B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0049328B1 (en) * | 1980-09-24 | 1984-12-27 | Klöckner GEFI KG Industrielle Wärmetechnik | Device for the heat recovery of waste gases of some plants |
| CN201611210U (en) * | 2010-04-30 | 2010-10-20 | 攀枝花九鼎建材有限责任公司 | Residual heat extraction and utilization system of coal gangue brick tunnel kiln |
| CN101988804A (en) * | 2010-12-09 | 2011-03-23 | 宁波钢铁有限公司 | Device and method for drying blast furnace ores and coke groove by recycling residual heat of circular cooler |
| CN102410744A (en) * | 2011-11-25 | 2012-04-11 | 佛山市通润热能科技有限公司 | Waste heat comprehensive utilization system in aluminum profile production line |
| CN202482387U (en) * | 2012-01-19 | 2012-10-10 | 宝山钢铁股份有限公司 | Flue gas waste heat recovery system for annealing furnace |
| CN102538491A (en) * | 2012-01-31 | 2012-07-04 | 首钢总公司 | System and method utilizing flue duct waste gas of hot air furnace to bake and preheat charging of blast furnace |
| CN202808735U (en) * | 2012-09-28 | 2013-03-20 | 中冶东方工程技术有限公司 | Waste heat flue gas recycling and adjusting device |
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Effective date of registration: 20160412 Address after: 226500 Jiangsu Province, Nantong City Chongchuan District sik Road No. 9 Patentee after: Nantong University Address before: 226500 Jiangsu province Nantong City Jiuhua Jiuhua town of Rugao City neighborhood 22 groups Patentee before: Nantong Metalwell Co.,Ltd. |
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Inventor after: Ni Hongjun Inventor after: Lv Shuaishuai Inventor after: Wang Xingxing Inventor after: Yao Yunhui Inventor after: Ji Jian Inventor before: Ji Jian Inventor before: Wu Chuan Inventor before: Li Xia Inventor before: Wang Chuzhuo |
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Effective date of registration: 20190708 Address after: 223 700 No. 38 Changjiang South Road, Siyang Economic Development Zone, Suqian City, Jiangsu Province Patentee after: JIANGSU HAIGUANG METAL CO., LTD. Address before: 226500 No. 9 Siyuan Road, Chongchuan District, Nantong City, Jiangsu Province Patentee before: Nantong University |
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