CN110255913A - A kind of solid waste silicon manganese slag that shot content is controllable production mineral wool modulator approach - Google Patents
A kind of solid waste silicon manganese slag that shot content is controllable production mineral wool modulator approach Download PDFInfo
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- CN110255913A CN110255913A CN201910505048.0A CN201910505048A CN110255913A CN 110255913 A CN110255913 A CN 110255913A CN 201910505048 A CN201910505048 A CN 201910505048A CN 110255913 A CN110255913 A CN 110255913A
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- silicon manganese
- manganese slag
- mineral wool
- slag
- raw cotton
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/04—Manufacture of glass fibres or filaments by using centrifugal force, e.g. spinning through radial orifices; Construction of the spinner cups therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/06—Mineral fibres, e.g. slag wool, mineral wool, rock wool
Abstract
The invention discloses a kind of solid waste silicon manganese slags that shot content is controllable to produce mineral wool modulator approach, comprising the following steps: S1: silicomanganese Slag treatment: choosing suitable silicon manganese slag, carries out pulverization process to silicon manganese slag；S2: it makes quenched material: choosing suitable sodium nitrate and chrome green, and mixed；S3: charging processing: the gains mixing in S1 and S2 is then added in skull melting furnace and carries out high temperature melt；S4: fluxing agent fluxing processing: is added into skull melting furnace；S5: gained liquid in S4 is imported on the idler wheel of centrifuge, raw cotton is obtained.Practicability of the present invention is good, and the shot content in mineral wool is enabled to reduce, and promotes mineral wool tensile strength.
Description
Technical field
The present invention relates to slag ball technical field of control method more particularly to a kind of solid waste silicomanganese that shot content is controllable
Slag produces mineral wool modulator approach.
Background technique
Mineral wool becomes industrial heat preservation and building neck since itself has excellent heat-insulating property, flame retardant property, sound insulation value
The important basic material in domain, plays very important effect in national economy and social development.Mineral wool is by silicate through high temperature
It is made after melting, is a kind of cotton shape staple fiber, mainly include mineral wool, rock wool, mineral wool and ceramic fibre etc..In China's mine
Cotton generally comprises: claiming mineral wool using metallurgical slag or flyash as mineral wool made from primary raw material, based on the rocks such as basalt
Mineral wool made from raw material is wanted to claim rock wool.Both fibers are processed to can be made into the various products such as plate, pipe, felt, band, paper, can apply
In building, industrial equipment, pipeline, the insulation of kiln, fire prevention, sound absorption, antidetonation etc..
Conventional production method is to melt in high-temperature smelting pot again after adding raw material auxiliary material to mix for liquid melts, then by liquid
State melt is blown to form very thin mineral wool through high speed centrifugation method or high temperature, which consumes a large amount of coke or electric energy, raw
Produce higher cost.Therefore, generally hot molten slag is utilized directly to produce mineral wool in silicomangan enterprise, which mainly will production
The hot high-temperature slag that silicomangan generates passes through concurrent heating, quenched, homogenizing processing in holding furnace, then passes through centrifugal injection system
At mineral wool, this method can efficiently use the thermal energy of hot slag, save power consumption, but the mineral wool shot content produced is higher, leads
Cause its thermal coefficient higher, stretching resistance is low, and performance is not outstanding enough, is not able to satisfy modern industry and widely applies.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of solid waste silicomanganese that shot content is controllable
Slag produces mineral wool modulator approach.
A kind of controllable solid waste silicon manganese slag production mineral wool modulator approach of shot content proposed by the present invention, including with
Lower step:
S1: silicomanganese Slag treatment: choosing suitable silicon manganese slag, carries out pulverization process to silicon manganese slag；
S2: it makes quenched material: choosing suitable sodium nitrate and chrome green, and mixed；
S3: charging processing: the gains mixing in S1 and S2 is then added in skull melting furnace and carries out high temperature melt；
S4: fluxing agent fluxing processing: is added into skull melting furnace；
S5: gained liquid in S4 is imported on the idler wheel of centrifuge, raw cotton is obtained.
Preferably, in the S1, pulverization process uses pulverizer, and the revolving speed of pulverizer is set as 1000-1200r/min,
The powder diameter of silicon manganese slag needs to be less than 30 mesh after crushing.
Preferably, in the S2, the mass percent of sodium nitrate is 60-70%, and the mass percent of chrome green is
30-40%。
Preferably, in the S2, the granularity of quenched material is 20-30 mesh.
Preferably, in the S3, the mass percent of silicon manganese slag is 65-75%, and the mass percent of quenched material is 25-
35%。
Preferably, in the S3, silicon manganese slag and quenched material is mixed using bobbing machine, silicon manganese slag and quenched material are added
On oscillating plate on to bobbing machine, time of vibration is set as 55-75min.
Preferably, in the S4, fluxing agent is the mixture of iron scale, steel-smelting sewage sludge, modified rosin and dimethicone, is pressed
Ratio is crushed to granularity less than 28 mesh, so by iron scale, steel-smelting sewage sludge, modified rosin and dimethicone mix, through grinding machine
Extrusion forming is carried out by pressure ball again afterwards.
Preferably, in the S4, the additional amount of iron scale is the 1-2% of silicon manganese slag weight, and the additional amount of steel-smelting sewage sludge is silicomanganese
The 2-3% of slag weight, the additional amount of modified rosin are the 3-4% of silicon manganese slag weight, and the additional amount of dimethicone is silicon manganese slag weight
The 4-5% of amount.
Preferably, in the S5, mineral wool board, mineral wool felt, mineral wool pipe or granular cotton goods are obtained after raw cotton machine-shaping.
Preferably, in the S5, after raw cotton is made, the shot content of raw cotton is detected, i.e., random interception is certain
The raw cotton of length measures the thickness and width of interception raw cotton, calculates the volume of interception raw cotton, sets in unit volume
It is qualification there are slag ball within 8 and 8, then counts the quantity of slag ball in interception raw cotton, the number of slag ball in raw cotton will be intercepted
Amount is divided by the volume of interception raw cotton, if result is greater than 8, testing result is unqualified, on the contrary then qualified.
Beneficial effects of the present invention:
(1) pulverization process is carried out to silicon manganese slag first, and powder diameter needs to be less than 30 mesh, prevents the excessive easy life of powder diameter
Slagging ball；
(2) quenched material and silicon manganese slag are mixed by bobbing machine, improves the mixing degree of quenched material and silicon manganese slag, prevents from mixing
Degree is insufficient and causes a large amount of slag ball；
(3) by addition fluxing agent, enhance the mobility of hot slag, can fiber be become at silk floss under high speed centrifugation state
Carefully, the shot content in mineral wool is reduced, and promotes mineral wool tensile strength；
(4) by detecting to shot content, the control to shot content is improved.
Practicability of the present invention is good, and the shot content in mineral wool is enabled to reduce, and promotes mineral wool tensile strength.
Specific embodiment
Combined with specific embodiments below the present invention is made further to explain.
Embodiment one
Propose a kind of solid waste silicon manganese slag that shot content is controllable production mineral wool modulator approach in the present embodiment, including with
Lower step:
S1: silicomanganese Slag treatment: choosing suitable silicon manganese slag, carries out pulverization process to silicon manganese slag；
S2: it makes quenched material: choosing suitable sodium nitrate and chrome green, and mixed；
S3: charging processing: the gains mixing in S1 and S2 is then added in skull melting furnace and carries out high temperature melt；
S4: fluxing agent fluxing processing: is added into skull melting furnace；
S5: gained liquid in S4 is imported on the idler wheel of centrifuge, raw cotton is obtained.
In the present embodiment, in S1, pulverization process uses pulverizer, and the revolving speed of pulverizer is set as 1000r/min, after crushing
The powder diameter of silicon manganese slag needs to be less than 30 mesh, and in S2, the mass percent of sodium nitrate is 60%, the quality hundred of chrome green
Point than being in 40%, S2, the granularity of quenched material is 20 mesh, and in S3, the mass percent of silicon manganese slag is 65%, the quality hundred of quenched material
Divide than being to be mixed using bobbing machine to silicon manganese slag and quenched material in 35%, S3, silicon manganese slag and quenched material are added to bobbing machine
On oscillating plate on, time of vibration is set as 55min, and in S4, fluxing agent is iron scale, steel-smelting sewage sludge, modified rosin and dimethyl
The mixture of silicone oil is crushed in proportion by iron scale, steel-smelting sewage sludge, modified rosin and dimethicone mix through grinding machine
Then granularity carries out extrusion forming by pressure ball again less than 28 mesh, in S4, the additional amount of iron scale is the 1% of silicon manganese slag weight, refining
The additional amount of steel sludge is the 2% of silicon manganese slag weight, and the additional amount of modified rosin is the 3% of silicon manganese slag weight, dimethicone
Additional amount is to obtain mineral wool board, mineral wool felt, mineral wool pipe or granulated wool after raw cotton machine-shaping in 4%, S5 of silicon manganese slag weight and knit
Product in S5, after raw cotton is made, detect the shot content of raw cotton, i.e. the raw cotton of interception certain length at random, to interception
The thickness and width of raw cotton measures, and calculates the volume of interception raw cotton, setting unit volume is interior, and there are within 8 and 8
Slag ball is qualification, then counts the quantity of slag ball in interception raw cotton, will intercept the quantity of slag ball in raw cotton divided by interception raw cotton
Volume, if result is greater than 8, testing result is unqualified, on the contrary then qualified.
Embodiment two
Propose a kind of solid waste silicon manganese slag that shot content is controllable production mineral wool modulator approach in the present embodiment, including with
Lower step:
S1: silicomanganese Slag treatment: choosing suitable silicon manganese slag, carries out pulverization process to silicon manganese slag；
S2: it makes quenched material: choosing suitable sodium nitrate and chrome green, and mixed；
S3: charging processing: the gains mixing in S1 and S2 is then added in skull melting furnace and carries out high temperature melt；
S4: fluxing agent fluxing processing: is added into skull melting furnace；
S5: gained liquid in S4 is imported on the idler wheel of centrifuge, raw cotton is obtained.
In the present embodiment, in S1, pulverization process uses pulverizer, and the revolving speed of pulverizer is set as 1050r/min, after crushing
The powder diameter of silicon manganese slag needs to be less than 30 mesh, and in S2, the mass percent of sodium nitrate is 62%, the quality hundred of chrome green
Point than being in 38%, S2, the granularity of quenched material is 22 mesh, and in S3, the mass percent of silicon manganese slag is 67%, the quality hundred of quenched material
Divide than being to be mixed using bobbing machine to silicon manganese slag and quenched material in 33%, S3, silicon manganese slag and quenched material are added to bobbing machine
On oscillating plate on, time of vibration is set as 60min, and in S4, fluxing agent is iron scale, steel-smelting sewage sludge, modified rosin and dimethyl
The mixture of silicone oil is crushed in proportion by iron scale, steel-smelting sewage sludge, modified rosin and dimethicone mix through grinding machine
Then granularity carries out extrusion forming by pressure ball again less than 28 mesh, in S4, the additional amount of iron scale is the 1% of silicon manganese slag weight, refining
The additional amount of steel sludge is the 2% of silicon manganese slag weight, and the additional amount of modified rosin is the 3% of silicon manganese slag weight, dimethicone
Additional amount is to obtain mineral wool board, mineral wool felt, mineral wool pipe or granulated wool after raw cotton machine-shaping in 4%, S5 of silicon manganese slag weight and knit
Product in S5, after raw cotton is made, detect the shot content of raw cotton, i.e. the raw cotton of interception certain length at random, to interception
The thickness and width of raw cotton measures, and calculates the volume of interception raw cotton, setting unit volume is interior, and there are within 8 and 8
Slag ball is qualification, then counts the quantity of slag ball in interception raw cotton, will intercept the quantity of slag ball in raw cotton divided by interception raw cotton
Volume, if result is greater than 8, testing result is unqualified, on the contrary then qualified.
Embodiment three
Propose a kind of solid waste silicon manganese slag that shot content is controllable production mineral wool modulator approach in the present embodiment, including with
Lower step:
S1: silicomanganese Slag treatment: choosing suitable silicon manganese slag, carries out pulverization process to silicon manganese slag；
S2: it makes quenched material: choosing suitable sodium nitrate and chrome green, and mixed；
S3: charging processing: the gains mixing in S1 and S2 is then added in skull melting furnace and carries out high temperature melt；
S4: fluxing agent fluxing processing: is added into skull melting furnace；
S5: gained liquid in S4 is imported on the idler wheel of centrifuge, raw cotton is obtained.
In the present embodiment, in S1, pulverization process uses pulverizer, and the revolving speed of pulverizer is set as 1100r/min, after crushing
The powder diameter of silicon manganese slag needs to be less than 30 mesh, and in S2, the mass percent of sodium nitrate is 64%, the quality hundred of chrome green
Point than being in 36%, S2, the granularity of quenched material is 24 mesh, and in S3, the mass percent of silicon manganese slag is 70%, the quality hundred of quenched material
Divide than being to be mixed using bobbing machine to silicon manganese slag and quenched material in 30%, S3, silicon manganese slag and quenched material are added to bobbing machine
On oscillating plate on, time of vibration is set as 65min, and in S4, fluxing agent is iron scale, steel-smelting sewage sludge, modified rosin and dimethyl
The mixture of silicone oil is crushed in proportion by iron scale, steel-smelting sewage sludge, modified rosin and dimethicone mix through grinding machine
Then granularity carries out extrusion forming by pressure ball again less than 28 mesh, in S4, the additional amount of iron scale is the 1% of silicon manganese slag weight, refining
The additional amount of steel sludge is the 2% of silicon manganese slag weight, and the additional amount of modified rosin is the 3% of silicon manganese slag weight, dimethicone
Additional amount is to obtain mineral wool board, mineral wool felt, mineral wool pipe or granulated wool after raw cotton machine-shaping in 4%, S5 of silicon manganese slag weight and knit
Product in S5, after raw cotton is made, detect the shot content of raw cotton, i.e. the raw cotton of interception certain length at random, to interception
The thickness and width of raw cotton measures, and calculates the volume of interception raw cotton, setting unit volume is interior, and there are within 8 and 8
Slag ball is qualification, then counts the quantity of slag ball in interception raw cotton, will intercept the quantity of slag ball in raw cotton divided by interception raw cotton
Volume, if result is greater than 8, testing result is unqualified, on the contrary then qualified.
Example IV
Propose a kind of solid waste silicon manganese slag that shot content is controllable production mineral wool modulator approach in the present embodiment, including with
Lower step:
S1: silicomanganese Slag treatment: choosing suitable silicon manganese slag, carries out pulverization process to silicon manganese slag；
S2: it makes quenched material: choosing suitable sodium nitrate and chrome green, and mixed；
S3: charging processing: the gains mixing in S1 and S2 is then added in skull melting furnace and carries out high temperature melt；
S4: fluxing agent fluxing processing: is added into skull melting furnace；
S5: gained liquid in S4 is imported on the idler wheel of centrifuge, raw cotton is obtained.
In the present embodiment, in S1, pulverization process uses pulverizer, and the revolving speed of pulverizer is set as 1150r/min, after crushing
The powder diameter of silicon manganese slag needs to be less than 30 mesh, and in S2, the mass percent of sodium nitrate is 68%, the quality hundred of chrome green
Point than being in 32%, S2, the granularity of quenched material is 28 mesh, and in S3, the mass percent of silicon manganese slag is 72%, the quality hundred of quenched material
Divide than being to be mixed using bobbing machine to silicon manganese slag and quenched material in 28%, S3, silicon manganese slag and quenched material are added to bobbing machine
On oscillating plate on, time of vibration is set as 70min, and in S4, fluxing agent is iron scale, steel-smelting sewage sludge, modified rosin and dimethyl
The mixture of silicone oil is crushed in proportion by iron scale, steel-smelting sewage sludge, modified rosin and dimethicone mix through grinding machine
Then granularity carries out extrusion forming by pressure ball again less than 28 mesh, in S4, the additional amount of iron scale is the 2% of silicon manganese slag weight, refining
The additional amount of steel sludge is the 3% of silicon manganese slag weight, and the additional amount of modified rosin is the 4% of silicon manganese slag weight, dimethicone
Additional amount is to obtain mineral wool board, mineral wool felt, mineral wool pipe or granulated wool after raw cotton machine-shaping in 5%, S5 of silicon manganese slag weight and knit
Product in S5, after raw cotton is made, detect the shot content of raw cotton, i.e. the raw cotton of interception certain length at random, to interception
The thickness and width of raw cotton measures, and calculates the volume of interception raw cotton, setting unit volume is interior, and there are within 8 and 8
Slag ball is qualification, then counts the quantity of slag ball in interception raw cotton, will intercept the quantity of slag ball in raw cotton divided by interception raw cotton
Volume, if result is greater than 8, testing result is unqualified, on the contrary then qualified.
Embodiment five
Propose a kind of solid waste silicon manganese slag that shot content is controllable production mineral wool modulator approach in the present embodiment, including with
Lower step:
S1: silicomanganese Slag treatment: choosing suitable silicon manganese slag, carries out pulverization process to silicon manganese slag；
S2: it makes quenched material: choosing suitable sodium nitrate and chrome green, and mixed；
S3: charging processing: the gains mixing in S1 and S2 is then added in skull melting furnace and carries out high temperature melt；
S4: fluxing agent fluxing processing: is added into skull melting furnace；
S5: gained liquid in S4 is imported on the idler wheel of centrifuge, raw cotton is obtained.
In the present embodiment, in S1, pulverization process uses pulverizer, and the revolving speed of pulverizer is set as 1200r/min, after crushing
The powder diameter of silicon manganese slag needs to be less than 30 mesh, and in S2, the mass percent of sodium nitrate is 70%, the quality hundred of chrome green
Point than being in 30%, S2, the granularity of quenched material is 30 mesh, and in S3, the mass percent of silicon manganese slag is 75%, the quality hundred of quenched material
Divide than being to be mixed using bobbing machine to silicon manganese slag and quenched material in 25%, S3, silicon manganese slag and quenched material are added to bobbing machine
On oscillating plate on, time of vibration is set as 75min, and in S4, fluxing agent is iron scale, steel-smelting sewage sludge, modified rosin and dimethyl
The mixture of silicone oil is crushed in proportion by iron scale, steel-smelting sewage sludge, modified rosin and dimethicone mix through grinding machine
Then granularity carries out extrusion forming by pressure ball again less than 28 mesh, in S4, the additional amount of iron scale is the 2% of silicon manganese slag weight, refining
The additional amount of steel sludge is the 3% of silicon manganese slag weight, and the additional amount of modified rosin is the 4% of silicon manganese slag weight, dimethicone
Additional amount is to obtain mineral wool board, mineral wool felt, mineral wool pipe or granulated wool after raw cotton machine-shaping in 5%, S5 of silicon manganese slag weight and knit
Product in S5, after raw cotton is made, detect the shot content of raw cotton, i.e. the raw cotton of interception certain length at random, to interception
The thickness and width of raw cotton measures, and calculates the volume of interception raw cotton, setting unit volume is interior, and there are within 8 and 8
Slag ball is qualification, then counts the quantity of slag ball in interception raw cotton, will intercept the quantity of slag ball in raw cotton divided by interception raw cotton
Volume, if result is greater than 8, testing result is unqualified, on the contrary then qualified.
It is modulated by the method that embodiment one, two, three, four, five provides, the shot content in mineral wool is enabled to subtract
It is few, mineral wool tensile strength is promoted, and embodiment three is most preferred embodiment.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of solid waste silicon manganese slag that shot content is controllable produces mineral wool modulator approach, which is characterized in that including following
Step:
S1: silicomanganese Slag treatment: choosing suitable silicon manganese slag, carries out pulverization process to silicon manganese slag；
S2: it makes quenched material: choosing suitable sodium nitrate and chrome green, and mixed；
S3: charging processing: the gains mixing in S1 and S2 is then added in skull melting furnace and carries out high temperature melt；
S4: fluxing agent fluxing processing: is added into skull melting furnace；
S5: gained liquid in S4 is imported on the idler wheel of centrifuge, raw cotton is obtained.
2. a kind of controllable solid waste silicon manganese slag of shot content according to claim 1 produces mineral wool modulator approach,
It is characterized in that, pulverization process uses pulverizer in the S1, the revolving speed of pulverizer is set as 1000-1200r/min, crushes
The powder diameter of silicon manganese slag needs to be less than 30 mesh afterwards.
3. a kind of controllable solid waste silicon manganese slag of shot content according to claim 1 produces mineral wool modulator approach,
It is characterized in that, the mass percent of sodium nitrate is 60-70% in the S2, the mass percent of chrome green is 30-
40%。
4. a kind of controllable solid waste silicon manganese slag of shot content according to claim 1 produces mineral wool modulator approach,
It is characterized in that, the granularity of quenched material is 20-30 mesh in the S2.
5. a kind of controllable solid waste silicon manganese slag of shot content according to claim 1 produces mineral wool modulator approach,
It is characterized in that, the mass percent of silicon manganese slag is 65-75% in the S3, the mass percent of quenched material is 25-35%.
6. a kind of controllable solid waste silicon manganese slag of shot content according to claim 1 produces mineral wool modulator approach,
It is characterized in that, being mixed using bobbing machine to silicon manganese slag and quenched material in the S3, silicon manganese slag and quenched material being added to vibration
On oscillating plate in motivation, time of vibration is set as 55-75min.
7. a kind of controllable solid waste silicon manganese slag of shot content according to claim 1 produces mineral wool modulator approach,
It is characterized in that, fluxing agent is the mixture of iron scale, steel-smelting sewage sludge, modified rosin and dimethicone, in proportion in the S4
By iron scale, steel-smelting sewage sludge, modified rosin and dimethicone mix, granularity is crushed to less than 28 mesh, then again through grinding machine
Extrusion forming is carried out by pressure ball.
8. a kind of controllable solid waste silicon manganese slag of shot content according to claim 1 produces mineral wool modulator approach,
It is characterized in that, the additional amount of iron scale is the 1-2% of silicon manganese slag weight in the S4, the additional amount of steel-smelting sewage sludge is silicon manganese slag weight
The 2-3% of amount, the additional amount of modified rosin are the 3-4% of silicon manganese slag weight, and the additional amount of dimethicone is silicon manganese slag weight
4-5%。
9. a kind of controllable solid waste silicon manganese slag of shot content according to claim 1 produces mineral wool modulator approach,
It is characterized in that, obtaining mineral wool board, mineral wool felt, mineral wool pipe or granular cotton goods after raw cotton machine-shaping in the S5.
10. a kind of controllable solid waste silicon manganese slag of shot content according to claim 1 produces mineral wool modulator approach,
It is characterized in that, after raw cotton is made, detecting to the shot content of raw cotton in the S5, i.e., certain length is intercepted at random
Raw cotton, to interception raw cotton thickness and width measure, calculate interception raw cotton volume, setting unit volume in exist
Slag ball is qualification within 8 and 8, then counts the quantity of slag ball in interception raw cotton, the quantity for intercepting slag ball in raw cotton is removed
To intercept the volume of raw cotton, if result is greater than 8, testing result is unqualified, on the contrary then qualified.
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| CN111960663A (en) * | 2020-08-28 | 2020-11-20 | 西安建筑科技大学 | Additive for enhancing stability of mineral wool, mineral wool and preparation method |
| CN113880443A (en) * | 2021-09-25 | 2022-01-04 | 清远金谷智联环保产业研究院有限公司 | Method for preparing high-strength-toughness heat-preservation rock wool board by using nickel smelting furnace slag |
| CN115368022A (en) * | 2022-09-06 | 2022-11-22 | 刘杰 | Method for producing rock wool by utilizing electrolytic manganese slag |
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| CN111960663A (en) * | 2020-08-28 | 2020-11-20 | 西安建筑科技大学 | Additive for enhancing stability of mineral wool, mineral wool and preparation method |
| CN113880443A (en) * | 2021-09-25 | 2022-01-04 | 清远金谷智联环保产业研究院有限公司 | Method for preparing high-strength-toughness heat-preservation rock wool board by using nickel smelting furnace slag |
| CN115368022A (en) * | 2022-09-06 | 2022-11-22 | 刘杰 | Method for producing rock wool by utilizing electrolytic manganese slag |
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