CN200988859Y - Oxygen bottom blowing melting furnace - Google Patents
Oxygen bottom blowing melting furnace Download PDFInfo
- Publication number
- CN200988859Y CN200988859Y CN 200620158487 CN200620158487U CN200988859Y CN 200988859 Y CN200988859 Y CN 200988859Y CN 200620158487 CN200620158487 CN 200620158487 CN 200620158487 U CN200620158487 U CN 200620158487U CN 200988859 Y CN200988859 Y CN 200988859Y
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- oxygen
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Abstract
The utility model relates to an oxygen bottom blowing smelting oven, which provides a new type high efficiency and energy-saving smelting oven, a plurality of oxygen lance ports are arranged at the bottom of a oven body, an oxygen lance device is arranged at the oxygen lance ports, and the oxygen lance device is formed by the covering of an external layer casing tube and a plurality of internal layer casing tubes; a through hole is formed in the center of the plurality of internal layer casing tubes. The smelting oven reasonably organizes the air flow of each pathway, and keeps reasonable and high air flow speed, so that the oxygen supply pressure is obviously reduced, and is beneficial for the intense chemical reaction with high efficiency.
Description
Technical field
The utility model relates to and is used for the metallurgy industry metallurgical equipment, is meant a kind of novel smelting furnace especially.
Background technology
Traditional refining splicer skill mainly contains sintering pot-blast furnace flow process and sinter machine-blast furnace flow process.These two kinds of methods mainly are that lead ore concentrate is passed through retailoring of blast furnace with the agglomerating method.There is serious environmental issue in sintering pot-blast furnace flow process in production application, the SO2 flue gas that produces in the sintering process is all emptyings owing to can't recycle, atmospheric environment is caused severe contamination, a large amount of back powder operations causes the low latitude disperse of lead fume dirt, the environmental pollution that brings lead fume dirt again in the while sintering process.Sinter machine-blast furnace flow process, the flue gas SO of output
2Content is low, and the actual production transformation efficiency has only about 80% in the domestic acid-making process that generally adopts, and exhaust emissions does not still reach environmental requirement, and sulfuric acid product is of low quality.TOPSOE relieving haperacidity technology is arranged, but technology software and hardware expense costliness is extremely unreasonable economically abroad, and this flow process exists equally sintering process to return the low latitude disperse problem of the lead fume dirt that the dirt operation causes in a large number, environmental issue still can't solve.In addition, these two kinds of sintering methods, the oxidation reaction heat that produces in the sintering process all can't be recycled, smelting process energy consumption height.At present, external comparative maturity advanced person's refining splicer skill also has Kivicet method, QSL method, top blast submergence smelting process, and they have all solved the environmental issue in the plumbous smelting process preferably, but the implementation cost height, initial cost is big, economic benefit is relatively poor.
The utility model content
In practice process, the oxygen bottom-blowing stove had especially been obtained high achievement in plumbous field of smelting already just playing a greater and greater role aspect lead smelting and the copper smelting.The oxygen bottom-blowing stove is the significant improvement to plumbous (copper) smelting technology of tradition.
The purpose of this utility model is to provide a kind of oxygen bottom-blowing stove that has the oxygen gun apparatus, make existing oxygen bottom-blowing technology have more energy consumption low, pollute less, outstanding advantage such as good operational environment.
The technical scheme that oxygen bottom-blowing stove of the present utility model adopts is:
A kind of oxygen bottom-blowing stove includes shaft, and this shaft bottom is provided with several oxygen muzzle, and this oxygen muzzle goes out to be provided with the aerobic gun apparatus;
Wherein, this oxygen gun apparatus is formed by outer layer sleeve, several inner layer sleeve fits, and these several inner layer sleeves are nested successively, and this inner layer sleeve outside is provided with some air channels, and this inner layer sleeve center is formed with through hole;
Wherein, the section area of the air channel of this each inner layer sleeve is different;
Wherein, the quantity of the air channel of this each inner layer sleeve is different;
Wherein, the number of these several inner layer sleeves is 2～5;
Wherein, this oxygen muzzle is arranged on furnace bottom medullary ray-30 °～+ 30 °;
Wherein, this oxygen muzzle is single setting;
Wherein, this oxygen muzzle is double setting;
Cross installing oxygen gun apparatus on the oxygen muzzle that the oxygen bottom-blowing furnace bottom is provided with, oxygen bottom, molten bath in the stove sprays into, and melt in the stove is in acutely seethes agitated conditions.Make chemical reaction velocity more violent, react completely, improved the speed of chemical reaction greatly, the muzzle design of having optimized, make increase and economical rationality the work-ing life of stove, effectively overcome existing oxygen gun apparatus work-ing life short, need oxygen pressure height, operating rate at the bottom of, shortcoming such as power consumption is big.
Description of drawings
Fig. 1 is the front view of the utility model oxygen bottom-blowing stove;
Fig. 2 is the side-view of the utility model oxygen bottom-blowing stove;
Fig. 3 is the oxygen muzzle installation position figure of the utility model oxygen bottom-blowing stove;
Fig. 4 is the cross-sectional view of the oxygen gun apparatus of the utility model oxygen bottom-blowing stove.
Embodiment
The utility model oxygen bottom-blowing stove is the nucleus equipment of oxygen bottom-blowing technology, as Fig. 1～shown in Figure 2, it is by being formed around the major partss such as shaft 10, riding wheel apparatus b and transmission mechanism a that transverse axis rotates, and wherein this transmission mechanism a connects generator 1.Shaft 10 is horizontal cylindrical configuration, builds the high-quality magnesia chrome brick in the steel shell by laying bricks or stones, can rotate arbitrarily angled as required.The needs that bracing or strutting arrangement b can satisfy shaft 10 revolutions and expand with heat and contract with cold, top is provided with smoke outlet 4 and charging opening 5, and the smoke outlet device of this oxygen bottom-blowing stove has special project organization, does not in use have flue dust and leaks the block bonding of nothing.Even at the shaft rotation process, the smokeless gas of smoke outlet is leaked.This is owing to the appropriate design of smoke outlet structure and the effect of the banana cover of fixedlying connected.It mainly is to have taken into full account to avoid the method for luming and do exhaust gases passes with the water jacket of good material in design that smoke outlet does not have block bonding, makes the smoke outlet internal surface can't form caking.Set out cinder notch 8 the other ends at body of heater one end and establish metal escape orifice 2 and oxygen oil burner mouth 3.The smoke outlet 4 and the petticoat pipe on top join.Two ends respectively are provided with a burner 7, be located at the burner of slag notch end, be used for the situation that blow-on heated up, is incubated temporarily and needed heat supply body of heater, the burner of the other end is mainly used in thermal technology's boiler and goes straight up to flue, its issuable caking is fallen in this stove, with this burner it is melted.In addition, shaft 10 1 ends are provided with aerobic oil burner mouth, and top is provided with visits material mouth 6.
Of the present utility model focusing on: be provided with several oxygen muzzle 9 in shaft 10, this oxygen muzzle is arranged between the furnace bottom medullary ray-30 °～+ 30 °, be generally double setting, also can be single setting, the inner aerobic gun apparatus 11 of this oxygen muzzle according to the needs of differential responses.
As shown in Figure 4, this oxygen unit 11, form by an outer layer sleeve 111 and inner layer sleeve, this inner layer sleeve is by first inner layer sleeve 121, second inner layer sleeve 122 and the 3rd inner layer sleeve 123 are formed, each cover tube hub is formed with through hole 13, correspondence is provided with first air channel 124 on it, second air channel 125, the 3rd air channel 126, the section area difference of each air channel, and the quantity of the air channel that each inner layer sleeve is provided with is also different according to the needs of reaction, gas with the different amounts of guaranteeing supply, the air flow that reasonably distributes each layer passage, usually, first air channel 124 is nitrogen and water smoke passage, second air channel 125, the 3rd air channel 126 and central through hole delivering oxygen.
Furnace charge is thrown into the furnace charge for preparing in the stove by the throwing machine of top filling mouth 5 or termination, is scattered in weld pool surface.Oxygen sprays into by oxygen lance bottom, molten bath in the stove, melt in the stove is in acutely seethes agitated conditions.The furnace charge that falls into the molten bath is involved in and melts by melt rapidly, and rapid chemical reaction takes place Yin Er, forms metal (or sulfonium) and slag.Formed product because of its severe different in the negative area settlement separate formation metal level and slag blanket, the two is emitted from different escape orifices respectively.The oxygen bottom-blowing process is the autothermal reaction process.
Physical and chemical reaction more abundant, fully, help the chemistry reflection and acutely carry out efficiently.Oxygen bottom-blowing stove fusion process almost completely carries out under the sealed state at one, handles in order to relieving haperacidity so can obtain the flue gas of higher sulfur dioxide concentration, also makes workshop condition reach the smokeless good environmental requirement of lacking dirt simultaneously.Owing to optimized the muzzle design, guaranteed the ILS and the economical rationality of stove.In addition because the quantity of the air channel in each inner layer sleeve outside is different with area, reasonably organized the air flow of each layer passage, kept reasonable high gas velocity, make that simultaneously air-flow relatively disperses, increased the reaction area of gas and solution, help the chemistry reflection and acutely carry out efficiently, make oxygen supply pressure obviously reduce.Specifically from data: the life-span generally can reach more than 30 days it used behind the utility model oxygen rifle, improved the operating rate of oxygen bottom-blowing stove greatly, in addition, the oxygen pressure that oxygen gun apparatus of the present utility model uses only greatly reduces power consumption for (0.6-0.8MPa), and the utility model oxygen bottom blowing refining smelting furnace is a kind of new and effective smelting furnace.
Claims (8)
1, a kind of oxygen bottom-blowing stove includes shaft, it is characterized in that: this shaft bottom is provided with several oxygen muzzle, and this oxygen muzzle place is provided with the oxygen gun apparatus.
2, oxygen bottom-blowing stove as claimed in claim 1, it is characterized in that: this oxygen gun apparatus is formed by outer layer sleeve, several inner layer sleeve fits, these several inner layer sleeves are nested successively, and this inner layer sleeve outside is provided with some air channels, and this inner layer sleeve center is formed with through hole.
3, oxygen bottom-blowing stove as claimed in claim 2, it is characterized in that: the section area of the air channel of this each inner layer sleeve is different.
4, oxygen bottom-blowing stove as claimed in claim 2, it is characterized in that: the quantity of the air channel of this each inner layer sleeve is different.
5, oxygen bottom-blowing stove as claimed in claim 2 is characterized in that: the number of these several inner layer sleeves is 2～5.
6, oxygen bottom-blowing stove as claimed in claim 1 is characterized in that: this oxygen muzzle is arranged on furnace bottom medullary ray-30 °～+ 30 °.
7, oxygen bottom-blowing stove as claimed in claim 1 is characterized in that: this oxygen muzzle is single setting.
8, oxygen bottom-blowing stove as claimed in claim 1 is characterized in that: this oxygen muzzle is double setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620158487 CN200988859Y (en) | 2006-11-16 | 2006-11-16 | Oxygen bottom blowing melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620158487 CN200988859Y (en) | 2006-11-16 | 2006-11-16 | Oxygen bottom blowing melting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200988859Y true CN200988859Y (en) | 2007-12-12 |
Family
ID=38939899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620158487 Expired - Lifetime CN200988859Y (en) | 2006-11-16 | 2006-11-16 | Oxygen bottom blowing melting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200988859Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871725A (en) * | 2010-07-07 | 2010-10-27 | 中南大学 | Horizontal bottom blowing type molten pool desulphurizing furnace and oxidative desulphurization method for leaded materials |
| CN101915504A (en) * | 2010-08-23 | 2010-12-15 | 董兰田 | Oxygen-enriched bottom-blowing double-port sulfonium-discharging inclined smelting furnace |
| CN102230091A (en) * | 2011-06-13 | 2011-11-02 | 中国恩菲工程技术有限公司 | Oxygen-enriched bottom-blown matte smelting furnace and oxygen-enriched bottom-blown matte smelting technology |
| CN102242277A (en) * | 2011-06-13 | 2011-11-16 | 中国恩菲工程技术有限公司 | Oxygen-rich bottom blown copper smelter and oxygen-rich bottom blown technology for extraction of copper |
| CN103498057A (en) * | 2013-10-12 | 2014-01-08 | 河南豫光金铅股份有限公司 | Device and method for bottom-blowing reduction lead refining with little disturbance of bottom lead |
| CN104018007A (en) * | 2013-02-28 | 2014-09-03 | 中国恩菲工程技术有限公司 | Nickel matte bottom-blowing refining process and nickel matte bottom-blowing refining device |
| CN106086459A (en) * | 2016-08-30 | 2016-11-09 | 安阳市岷山有色金属有限责任公司 | A kind of oxygen bottom-blowing direct-reduction lead smelting process |
| CN107460340A (en) * | 2017-07-31 | 2017-12-12 | 河南豫光金铅股份有限公司 | A kind of quick blow-in method of copper bottom-blown smelting stove |
| CN107739778A (en) * | 2017-11-27 | 2018-02-27 | 中航上大高温合金材料有限公司 | A kind of steel ladle bottom argon blowing device and its refining stirring means |
| CN109628754A (en) * | 2019-02-03 | 2019-04-16 | 包头华鼎铜业发展有限公司 | Copper making continuous-blowing furnace oxygen lance nozzle |
-
2006
- 2006-11-16 CN CN 200620158487 patent/CN200988859Y/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871725A (en) * | 2010-07-07 | 2010-10-27 | 中南大学 | Horizontal bottom blowing type molten pool desulphurizing furnace and oxidative desulphurization method for leaded materials |
| CN101915504A (en) * | 2010-08-23 | 2010-12-15 | 董兰田 | Oxygen-enriched bottom-blowing double-port sulfonium-discharging inclined smelting furnace |
| CN101915504B (en) * | 2010-08-23 | 2012-04-25 | 董兰田 | Oxygen-enriched bottom-blowing double-port sulfonium-discharging inclined smelting furnace |
| CN102230091A (en) * | 2011-06-13 | 2011-11-02 | 中国恩菲工程技术有限公司 | Oxygen-enriched bottom-blown matte smelting furnace and oxygen-enriched bottom-blown matte smelting technology |
| CN102242277A (en) * | 2011-06-13 | 2011-11-16 | 中国恩菲工程技术有限公司 | Oxygen-rich bottom blown copper smelter and oxygen-rich bottom blown technology for extraction of copper |
| CN102242277B (en) * | 2011-06-13 | 2012-10-10 | 中国恩菲工程技术有限公司 | Oxygen-rich bottom blown copper smelter and oxygen-rich bottom blown technology for extraction of copper |
| CN104018007B (en) * | 2013-02-28 | 2018-01-16 | 中国恩菲工程技术有限公司 | Nickel matte bottom blowing converting process and nickel matte bottom blowing blowing device |
| CN104018007A (en) * | 2013-02-28 | 2014-09-03 | 中国恩菲工程技术有限公司 | Nickel matte bottom-blowing refining process and nickel matte bottom-blowing refining device |
| CN103498057A (en) * | 2013-10-12 | 2014-01-08 | 河南豫光金铅股份有限公司 | Device and method for bottom-blowing reduction lead refining with little disturbance of bottom lead |
| CN106086459A (en) * | 2016-08-30 | 2016-11-09 | 安阳市岷山有色金属有限责任公司 | A kind of oxygen bottom-blowing direct-reduction lead smelting process |
| CN107460340A (en) * | 2017-07-31 | 2017-12-12 | 河南豫光金铅股份有限公司 | A kind of quick blow-in method of copper bottom-blown smelting stove |
| CN107739778A (en) * | 2017-11-27 | 2018-02-27 | 中航上大高温合金材料有限公司 | A kind of steel ladle bottom argon blowing device and its refining stirring means |
| CN107739778B (en) * | 2017-11-27 | 2019-03-22 | 中航上大高温合金材料有限公司 | A kind of steel ladle bottom argon blowing device and its refining stirring means |
| CN109628754A (en) * | 2019-02-03 | 2019-04-16 | 包头华鼎铜业发展有限公司 | Copper making continuous-blowing furnace oxygen lance nozzle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chengzhou City Jingui Silver Co., Ltd. Assignor: China Enfi Engineering Technology Co., Ltd. Contract record no.: 2010110000102 Denomination of utility model: Oxygen gun device for oxygen bottom-blowing smelting furnace Granted publication date: 20071212 License type: Common License Record date: 20100803 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20071212 |
|
| EXPY | Termination of patent right or utility model |