CN102285768A - One-step method for producing mineral wool by using metallurgical high-temperature slag and equipment adopted thereby - Google Patents
One-step method for producing mineral wool by using metallurgical high-temperature slag and equipment adopted thereby Download PDFInfo
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- CN102285768A CN102285768A CN 201110158806 CN201110158806A CN102285768A CN 102285768 A CN102285768 A CN 102285768A CN 201110158806 CN201110158806 CN 201110158806 CN 201110158806 A CN201110158806 A CN 201110158806A CN 102285768 A CN102285768 A CN 102285768A
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- cooled
- heater
- iron body
- mineral wool
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Abstract
The invention belongs to the field of equipment for producing mineral wool by smelting nonmetal materials and particularly relates to a one-step method for producing mineral wool by using metallurgical high-temperature slag and equipment adopted thereby. The method can be implemented by the following steps: A, placing high-temperature liquid slag into a water-cooled iron furnace body; B, starting the furnace by the electric arc of a graphite electrode group to heat electroslag; and regulating the acidity coefficient of high-temperature molten slag till the pH value is more than or equal to 1.6 and regulating the temperature of the high-temperature liquid slag to a range from 1,350 DEG C to 1,500 DEG C, so that the molten slag meets a viscosity requirement, wherein the pH value is obtained by dividing Q1+Q2 by Q3+Q4. The equipment used by the method comprises the water-cooled iron furnace body (2) and a self-film-forming fireproof thermal-insulation layer (3) arranged on the inner wall of the water-cooled iron furnace body (2); a magnesium-carbon fireproof protective layer (4) is arranged at the bottom of the water-cooled iron furnace body (2); and a graphite electrode group is arranged in the water-cooled iron furnace body (2). In the process flow of the invention, coke is not need, the energy consumption is low, and the environment-protection effect is obvious.
Description
Technical field
The invention belongs to nonmetal melting and produce the mineral wool technical field, relate in particular to a kind of method of metallurgy high temperature slag single stage method production mineral wool and equipment that is adopted thereof of utilizing.
Background technology
At present, domesticly generally adopt cupola equipment to carry out two-step approach production at the mineral wool production field.Mineral wool per ton need consume 250 kilograms to 400 kilograms in coke in technical process, and energy consumption problem is very outstanding, also is accompanied by dust and CO simultaneously
2
Situations such as exhaust emission.
Summary of the invention
The present invention is intended to overcome the deficiencies in the prior art part and provides and need not coke in a kind of technical process, and energy consumption is low, and environmental protection efficacy utilizes metallurgy high temperature slag single stage method to produce the method for mineral wool significantly.
In addition, the present invention also provides a kind of metallurgy high temperature slag single stage method of utilizing that matches with aforesaid method to produce mineral wool equipment.
For achieving the above object, the present invention is achieved in that a kind of method of utilizing metallurgy high temperature slag single stage method to produce mineral wool, can implement as follows: A, insert the high-temperature liquid state slag in the iron body of heater of water-cooled; B, open stove, the electroslag heating by the intravital Graphite Electrodes group of the iron stove of water-cooled electric arc; The acidity quotient of C, adjustment high-temperature liquid state slag satisfies acidity quotient: Ph 〉=1.6; Wherein: Ph=Q1+Q2/Q3+Q4; Q1 is SiO in the iron body of heater of water-cooled
2
Weight; Q2 is Al in the iron body of heater of water-cooled
2
O
3
Weight; Q3 is the weight of CaO in the iron body of heater of water-cooled; Q4 is the weight of MgO in the iron body of heater of water-cooled; By the output rating of control power supply, adjust the temperature of high-temperature liquid state slag in the iron body of heater of water-cooled, make it in ℃ scope of 1350 ℃≤T≤1500, thereby satisfy the viscosity requirement.
The above-mentioned metallurgy high temperature slag single stage method of utilizing is produced the equipment that the mineral wool method is adopted, and it comprises the iron body of heater of water-cooled and is assigned in the self film-formed refractory insulating layer of the iron inboard wall of furnace body of water-cooled; Be provided with magnesium carbon protective refractory layer in the bottom of the iron body of heater of described water-cooled; In the iron body of heater of described water-cooled, be provided with the Graphite Electrodes group.
As a kind of preferred version, Graphite Electrodes group of the present invention comprises 3 electrodes, and its cross section line is an equilateral triangle.
As another kind of preferred version, Graphite Electrodes group of the present invention comprises 3 electrodes, and its cross section line is a straight line.
In addition, Graphite Electrodes group of the present invention can comprise 6 electrodes, and its cross section line is a straight line.
Further, the present invention is provided with Graphite Electrodes group position adjusting mechanism on the iron body of heater of described water-cooled.
The present invention makes full use of the sensible heat of high-temperature liquid state slag, and it is simple to operate, and is with low cost, can save energy 50%～70%.In addition, owing to do not adopt coke, can effectively reduce dust and CO in the technical process of the present invention
2
Exhaust emissions.
Description of drawings
The invention will be further described below in conjunction with the drawings and specific embodiments.
Fig. 1 is one embodiment of the present invention one-piece construction synoptic diagram.
Fig. 2 for A-A among Fig. 1 of the present invention to sectional view.
Fig. 3 for another kind of embodiment A-A among Fig. 1 of the present invention to sectional view.
Among the figure: 1 is the Graphite Electrodes group; 2 is the iron body of heater of water-cooled; 3 is the self film-formed refractory insulating layer; 4 is magnesium carbon protective refractory layer; 5 is the discharge port after modified; 6 is slag-drip opening; 7 is the iron furnace insulation bell of water-cooled; 8 is Graphite Electrodes group position adjusting mechanism; 9 is liquid high temperature electroslag inlet.
Embodiment
The present invention is with metallurgy high temperature liquid slag (blast furnace slag, ferromanganese slag, yellow phosphorus slag, ferro-silicon slag, ferronickel slag, copper ashes or vertical cyclone furnace slag etc., its main component SiO
2
, Al
2
O
3
, CaO and MgO) in the hardening and tempering furnace of packing into, carry out the adjustment of acidity quotient and viscosity, get rid of cotton parameter request thereby reach.
As shown in the figure, utilize metallurgy high temperature slag single stage method to produce the method for mineral wool, can implement as follows: A, in the iron body of heater of water-cooled, insert the high-temperature liquid state slag; B, open stove, the electroslag heating by the intravital Graphite Electrodes group of the iron stove of water-cooled electric arc; The acidity quotient of C, adjustment high-temperature liquid state slag satisfies acidity quotient: Ph 〉=1.6; Wherein: Ph=Q1+Q2/Q3+Q4; Q1 is SiO in the iron body of heater of water-cooled
2
Weight; Q2 is Al in the iron body of heater of water-cooled
2
O
3
Weight; Q3 is the weight of CaO in the iron body of heater of water-cooled; Q4 is the weight of MgO in the iron body of heater of water-cooled; In actually operating, when the intravital acidity quotient of the iron stove of water-cooled does not meet above-mentioned requirements, can be by in the iron body of heater of water-cooled, adding SiO
2
, Al
2
O
3
, CaO or MgO comprehensively allocate above-mentioned acidity quotient Ph finally satisfied: Ph 〉=1.6; When the intravital viscosity of the iron stove of water-cooled is not up to standard, by the output rating of control power supply, adjust the temperature of high-temperature liquid state slag in the iron body of heater of water-cooled, make it in ℃ scope of 1350 ℃≤T≤1500, thereby satisfy the viscosity requirement.In the technology of the present invention viscosity is required: slag ball content≤12%; Mineral wool diameter≤7 μ m.
The above-mentioned metallurgy high temperature slag single stage method of utilizing is produced the equipment that the mineral wool method is adopted, and it comprises the iron body of heater 2 of water-cooled and is assigned in the self film-formed refractory insulating layer 3 of iron body of heater 2 inwalls of water-cooled; Be provided with magnesium carbon protective refractory layer 4 in the bottom of the iron body of heater 2 of described water-cooled; In the iron body of heater 2 of described water-cooled, be provided with Graphite Electrodes group 1.
Referring to Fig. 1 and Fig. 2, Graphite Electrodes group 1 of the present invention can adopt 3 electrodes, and its cross section line is an equilateral triangle.
Referring to Fig. 1 and Fig. 3, in addition, Graphite Electrodes group 1 of the present invention can adopt 3 electrodes, and its cross section line is a straight line.
Secondly, according to arts demand, Graphite Electrodes group 1 of the present invention also can adopt 6 electrodes, and its cross section line is a straight line, is the Graphite Electrodes of word order.
For adjusting the height and the horizontal displacement of Graphite Electrodes group, the present invention is provided with Graphite Electrodes group position adjusting mechanism 8 on the iron body of heater 2 of described water-cooled.Can carry out automatic lifting by 8 pairs of Graphite Electrodes groups of position adjusting mechanism according to working condition requirement.
It is that 02132982.6,200910187362.5 disclosed third generation mineral wools are produced in the quenching and tempering device and carried out accurate adjustment that the modified high-temperature liquid state slag that goes out of this equipment can enter directly that four roller whizzers get rid of cotton or enter application number, enter four roller whizzers again and get rid of cotton, can produce senior high quality cotton.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a method of utilizing metallurgy high temperature slag single stage method to produce mineral wool is characterized in that, implements as follows:
A, in the iron body of heater of water-cooled, insert the high-temperature liquid state slag;
B, open stove, the electroslag heating by the intravital Graphite Electrodes group of the iron stove of water-cooled electric arc;
The acidity quotient of C, adjustment high-temperature liquid state slag satisfies acidity quotient:
Ph 〉=1.6; Wherein: Ph=Q1+Q2/Q3+Q4;
Q1 is SiO in the iron body of heater of water-cooled
2Weight;
Q2 is Al in the iron body of heater of water-cooled
2O
3Weight;
Q3 is the weight of CaO in the iron body of heater of water-cooled;
Q4 is the weight of MgO in the iron body of heater of water-cooled;
By the output rating of control power supply, adjust the temperature of high-temperature liquid state slag in the iron body of heater of water-cooled, make it in ℃ scope of 1350 ℃≤T≤1500, thereby satisfy the viscosity requirement.
2. one kind is utilized metallurgy high temperature slag single stage method to produce the equipment that the mineral wool method is adopted according to claim 1, it is characterized in that, comprises the iron body of heater of water-cooled (2) and is assigned in the self film-formed refractory insulating layer (3) of the iron body of heater of water-cooled (2) inwall; Be provided with magnesium carbon protective refractory layer (4) in the bottom of the iron body of heater of described water-cooled (2); In the iron body of heater of described water-cooled (2), be provided with Graphite Electrodes group (1).
3. produce the equipment that the mineral wool method is adopted according to the described metallurgy high temperature slag single stage method of utilizing of claim 2, it is characterized in that: described Graphite Electrodes group (1) comprises 3 electrodes, and its cross section line is an equilateral triangle.
4. produce the equipment that the mineral wool method is adopted according to the described metallurgy high temperature slag single stage method of utilizing of claim 2, it is characterized in that: described Graphite Electrodes group (1) comprises 3 electrodes, and its cross section line is a straight line.
5. produce the equipment that the mineral wool method is adopted according to the described metallurgy high temperature slag single stage method of utilizing of claim 2, it is characterized in that: described Graphite Electrodes group (1) comprises 6 electrodes, and its cross section line is a straight line.
6. produce the equipment that the mineral wool method is adopted according to the arbitrary described metallurgy high temperature slag single stage method of utilizing of claim 2～5, it is characterized in that: on the iron body of heater of described water-cooled (2), be provided with Graphite Electrodes group position adjusting mechanism (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110158806 CN102285768A (en) | 2011-06-14 | 2011-06-14 | One-step method for producing mineral wool by using metallurgical high-temperature slag and equipment adopted thereby |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110158806 CN102285768A (en) | 2011-06-14 | 2011-06-14 | One-step method for producing mineral wool by using metallurgical high-temperature slag and equipment adopted thereby |
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|---|---|
| CN102285768A true CN102285768A (en) | 2011-12-21 |
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|---|---|---|---|
| CN 201110158806 Pending CN102285768A (en) | 2011-06-14 | 2011-06-14 | One-step method for producing mineral wool by using metallurgical high-temperature slag and equipment adopted thereby |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102659309A (en) * | 2012-03-27 | 2012-09-12 | 马钢(集团)控股有限公司 | Method for processing mineral wool |
| CN103817789A (en) * | 2012-02-29 | 2014-05-28 | 丁永新 | High-temperature slag brick making system for making construction bricks with yellow phosphorus furnace high-temperature slag |
| CN104726722A (en) * | 2015-03-23 | 2015-06-24 | 文山市金仪铟业科技有限责任公司 | Zinc smelting electric furnace |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1394822A (en) * | 2001-07-05 | 2003-02-05 | 辽宁节能热电集团公司 | Thermal connection process for producing rock cotton by using furnace slag of cyclone furnace and its adopted afterburning furnace |
| CN101560053A (en) * | 2009-05-25 | 2009-10-21 | 刘日宏 | Production method of mineral wool with high-temperature liquid ferroalloy waste as raw materials |
-
2011
- 2011-06-14 CN CN 201110158806 patent/CN102285768A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1394822A (en) * | 2001-07-05 | 2003-02-05 | 辽宁节能热电集团公司 | Thermal connection process for producing rock cotton by using furnace slag of cyclone furnace and its adopted afterburning furnace |
| CN101560053A (en) * | 2009-05-25 | 2009-10-21 | 刘日宏 | Production method of mineral wool with high-temperature liquid ferroalloy waste as raw materials |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103817789A (en) * | 2012-02-29 | 2014-05-28 | 丁永新 | High-temperature slag brick making system for making construction bricks with yellow phosphorus furnace high-temperature slag |
| CN103817789B (en) * | 2012-02-29 | 2016-01-20 | 浙江盘城环境建设有限公司 | High-temperature slag of yellow phosphorus furnace is made the high temperature furnace slag brick making system of building brick |
| CN102659309A (en) * | 2012-03-27 | 2012-09-12 | 马钢(集团)控股有限公司 | Method for processing mineral wool |
| CN102659309B (en) * | 2012-03-27 | 2015-04-01 | 马钢(集团)控股有限公司 | Method for processing mineral wool |
| CN104726722A (en) * | 2015-03-23 | 2015-06-24 | 文山市金仪铟业科技有限责任公司 | Zinc smelting electric furnace |
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Application publication date: 20111221 |