CN111646687A - Production process of hot-melt slag rock wool - Google Patents
Production process of hot-melt slag rock wool Download PDFInfo
- Publication number
- CN111646687A CN111646687A CN202010640903.1A CN202010640903A CN111646687A CN 111646687 A CN111646687 A CN 111646687A CN 202010640903 A CN202010640903 A CN 202010640903A CN 111646687 A CN111646687 A CN 111646687A
- Authority
- CN
- China
- Prior art keywords
- slag
- hot
- rock wool
- temperature
- tempering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002893 slag Substances 0.000 title claims abstract description 184
- 239000011490 mineral wool Substances 0.000 title claims abstract description 81
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 64
- 239000012943 hotmelt Substances 0.000 title claims abstract description 26
- 238000005496 tempering Methods 0.000 claims abstract description 55
- 238000002844 melting Methods 0.000 claims abstract description 51
- 230000008018 melting Effects 0.000 claims abstract description 51
- 239000003245 coal Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 12
- 238000010079 rubber tapping Methods 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000011435 rock Substances 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 239000000571 coke Substances 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 description 3
- 229910000640 Fe alloy Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Glass Compositions (AREA)
Abstract
The invention discloses a production process of hot-melt slag rock wool, which adopts a high-temperature melting furnace to melt coal gangue to produce hot molten slag or metallurgical hot molten slag, discharges the slag into a slag tank through a slag outlet, the slag tank is linearly transported to a temperature-adjusting tempering span through a slag tank car on a transport line, an online roaster is arranged on the slag tank transport line, the slag tank can be heated at any time, the temperature-adjusting tempering span is internally driven to hoist the hot molten slag to be added into a temperature-adjusting tempering furnace, and the qualified rock wool is produced after the temperature adjustment and tempering, thereby realizing the integrated production process of producing the rock wool from the hot-melt slag. According to the invention, the hot melting furnace and the rock wool workshop are mutually connected, the slag tank truck carries the slag tank to run between slag discharge and temperature regulation and tempering, and the slag tank is hoisted to any temperature regulation and tempering furnace in the span through the temperature regulation and tempering cross-internal traveling truck, so that the distance between the hot melting furnace and the rock wool workshop is greatly shortened, and the multiple hot melting furnaces correspond to the multiple temperature regulation and tempering furnaces, thereby realizing continuous, compact and dynamic ordered production of the hot melting slag rock wool.
Description
Technical Field
The invention belongs to the technical field of inorganic non-metallic materials, and particularly relates to a production process of hot-melt slag rock wool.
Background
The information in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
Rock wool has excellent heat insulation, sound absorption, fire prevention, earthquake resistance and other properties, plays an important role in the fields of energy conservation and environmental protection, and is widely applied to industries such as petroleum, electric power, metallurgy, building and the like, in particular to the field of building.
At present, in traditional rock wool production, mainly adopt following two kinds of processes:
(1) cupola furnace process
Natural rocks such as basalt and diabase are used as main raw materials, and the rocks are melted by burning coke or gas to generate heat for a rock wool production line connected at the rear part. The process has the following disadvantages: 1) produce a large amount of CO and CO2And SO2The waste gas cannot be recovered due to the process characteristics of the waste gas, and can be discharged only after incineration, desulfurization and denitration treatment, so that the environment is polluted, the cost is too high, and the waste gas is in a state of being difficult to survive; 2) along with the continuously improved environmental governance, the exploitation of natural rocks such as basalt and diabase is strictly limited and supervised, a large number of mines are shut down, and the development of the process is severely restricted.
(2) Electric furnace process
The rock wool production line adopts natural rock or tailings and tailings as main raw materials, and is used for rear connection through electric heating and melting. The process utilizes electrodes for heating, coke and fuel gas are not needed, a large amount of waste gas cannot be generated, however, the tailings are slag materials obtained after cooling the hot-melt slag, secondary melting is needed in the process, a large amount of sensible heat is wasted, and energy consumption is too high.
In recent years, some enterprises adopt blast furnace and electric furnace metallurgical hot slag to produce rock wool after temperature regulation and tempering, and the main component of the metallurgical hot slag is SiO2、Al2O3CaO and MgO, and the slag temperature is up to 1400-1500 ℃, and the sensible heat is about 1550-1750 kJ/kg; the production of rock wool has the advantages of components and temperature, but because a certain distance exists between a smelting furnace and a rock wool production line, at present, automobiles and trains are mostly adopted or hot melt slag transportation is carried out through grooves, because the hot melt slag is easy to solidify, condensation can be generated in the transportation process, the temperature can also be reduced, and energy loss or rock wool processing difficulty is increased.
Disclosure of Invention
Aiming at the research background, how to organically connect a hot melting furnace with a rock wool production workshop, reduce the transportation distance, establish a continuous, compact and dynamic and ordered hot melting slag transportation system, ensure the rock wool production flow to be continuous and smooth, and have low operation cost and the like is the basic starting point of the invention.
Based on the technology, the invention aims to provide a production process of hot-melt slag rock wool, and the specific scheme of the production process is as follows: the high-temperature melting furnace is adopted to melt the coal gangue to produce hot molten slag or metallurgical hot molten slag, the slag is discharged into the slag tank through the slag outlet, the slag tank is linearly transported to the temperature-adjusting tempering span through a slag tank car on the transportation line, the hot molten slag is hoisted and transported into the temperature-adjusting tempering furnace across the inner crane, and the qualified rock wool is produced after the temperature adjustment tempering, so that the integrated production process for producing the rock wool from the hot molten slag is realized.
A large amount of tailings are generated in the coal mining process, and how to increase the resource utilization of the tailings is a necessary way for further solving the problems of society, environment, economy and the like brought by the tailings. The main component of the tailings is Al2O3、SiO2、Fe2O3CaO and MgO, etc., wherein Al2O3And SiO2The total amount of the two components is up to 60-90%, and the preparation method is more suitable for preparing rock wool. The invention adopts the high-temperature melting furnace to replace the traditional electric furnace and cupola furnace, the hot slag is produced by burning and melting the tailings through coke or fuel gas, and the rock wool can be prepared after the composition is finely adjusted, thus the invention is a good tailing resource utilization mode.
The hot-melt slag provided by the invention comprises hot slag produced by taking tailings as a raw material through a high-temperature melting furnace and metallurgical hot slag produced by an iron-making blast furnace and an iron alloy electric furnace in the metallurgical industry, wherein the tailings are coal gangue, and the rock wool workshop comprises a temperature-adjusting tempering bay and a rock wool bay.
In the process, the hot melting furnace and the rock wool workshop are adjacently arranged and connected in a zero distance mode, and are connected with each other through a slag pot conveying line, the slag pot car walks between the slag discharging position and the rock wool workshop, the turnover of the slag pot is accelerated, the logistics transportation is shortened to the maximum extent, the process is smooth, the investment is saved, and the operation cost is reduced. The hot melting furnace and the rock wool workshop are directly connected through a transport line, so that the turnover of the hot slag can be effectively accelerated.
The beneficial effects of one or more technical schemes are as follows:
1. the invention relates to a method for manufacturing rock wool by using coal tailings and metallurgical tailings, belonging to green recycling economy.
2. The production process provided by the invention effectively solves the temperature drop problem of hot melt slag transportation, directly conveys the slag to a temperature-regulating and tempering span after slag is discharged from a slag discharging position, shortens the operation period of a slag tank to 30min, improves the temperature of the hot melt slag entering the temperature-regulating and tempering process to 30-40 ℃, effectively reduces the subsequent processing difficulty and improves the production efficiency of rock wool.
3. The hot melting furnace and the rock wool workshop are arranged adjacently and are connected at a zero distance, the hot melting furnace and the rock wool production line are arranged at a zero distance, and the total floor area is greatly reduced.
4. In the production process provided by the invention, the setting requirements of various target yields can be met by flexibly adjusting the positions and the number of the slag pot conveying lines, and the production system is more flexibly adjusted.
5. Compared with the traditional rock wool production mode, the production process provided by the invention has the advantages that the system continuity is enhanced, the running period of the slag pot is shortened, the number of the slag pots in a workshop is reduced, and the engineering investment and the running cost are reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic view of a production process of the hot-melt slag rock wool according to example 1;
wherein 100 is the hot melt furnace region, 101 is the hot melt furnace, 102 is the slag notch, 103 is the position of slagging tap, 200 is the tempering that adjusts the temperature and strides, 201 is the tempering furnace that adjusts the temperature, 300 is the rock wool stride, 301 is the rock wool production line, 400 is the supply line, 500 is the transport vechicle, 600 is the slag ladle, 700 is the roaster, 800 is the driving.
FIG. 2 is a schematic view of the production process of the hot-melt slag rock wool according to example 2;
wherein 100 is the hot melt furnace region, 101 is the hot melt furnace, 102 is the slag notch, 103 is the position of slagging tap, 200 is the tempering that adjusts the temperature and strides, 201 is the tempering furnace that adjusts the temperature, 300 is the rock wool stride, 301 is the rock wool production line, 400 is the supply line, 500 is the transport vechicle, 600 is the slag ladle, 700 is the roaster, 800 is the driving.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As introduced in the background art, aiming at the defects of the existing production process of the hot melt slag rock wool, the invention provides the production process of the hot melt slag rock wool in order to solve the technical problems.
The invention provides a production process of hot-melt slag rock wool, which comprises the following steps: carrying out hot melting furnace slag and hot melting furnace slag discharge, hot melting slag transportation, temperature regulation and tempering, and then forming cotton; the rock wool hot melting furnace is characterized in that the hot melting furnace is arranged adjacent to a rock wool production line, and hot melting slag is transported by adopting a transport line.
Preferably, the transportation line comprises a slag tank truck and a slag tank, the slag tank truck is used for transporting the slag tank between the hot melting furnace and the rock wool production workshop, and the slag tank is used for containing hot molten slag.
In a preferred embodiment of the above technical solution, the method includes the following steps: the slag tank car after on-line baking bears the empty slag pot and moves to the slag tapping position of the hot melting furnace to wait for slag tapping, the hot melting slag is tapped into the slag pot through the slag tapping hole of the hot melting furnace, the slag pot car bears the full slag pot and directly moves to the tempering span for adjusting the temperature, the slag pot is hoisted to the tempering furnace through a crane in the tempering span for adjusting the temperature, the slag in the slag pot is added into the tempering furnace for adjusting the temperature, the production process of rock wool such as cotton is carried out after the tempering for adjusting the temperature, the empty slag pot with the hot slag is hoisted to the slag pot transport line through a crane, the slag tank car moves to the roaster in the hot melting furnace area to be baked on line, the slag pot moves to the slag tapping hole to wait for slag tapping before slag tapping, and the next.
In the above embodiments, the roaster and the furnace are arranged in the furnace area, and the furnace is provided with one or more tapping sites.
In the above embodiment, the temperature-adjusting tempering furnace is arranged in the temperature-adjusting tempering span, the traveling crane for hoisting the slag pot is arranged in the tempering span, and the rock wool production line is arranged on the rock wool span.
Furthermore, the slag pot transport line is linear, and the slag discharging position of the hot melting furnace and the temperature regulating tempering span are communicated with each other.
Further, the slag pot conveying line is provided with a slag pot on-line roaster, and the on-line roaster is used for heating the empty slag pot.
Furthermore, the temperature-adjusting tempering span is also internally provided with a crane for hoisting. The traveling crane is arranged in the temperature-adjusting tempering span, so that the production of a plurality of rock wool production lines corresponding to one hot melting furnace can be organized.
It should be noted that, in the above embodiments, one hot melting furnace corresponds to one or more rock wool production lines, but in actual design or organization, it is not limited to one hot melting furnace, and actual adjustment is performed according to the production capacities of the hot melting furnace and the rock wool production lines, and two or even more hot melting furnaces may be used to organize production and design corresponding to multiple rock wool production lines.
Fig. 1 shows a first embodiment of the integrated hot slag rock wool production process according to the present invention. In the embodiment, the system comprises a hot melting furnace 101, two temperature-adjusting tempering furnaces 201 and two rock wool production lines 301.
Specifically, a furnace 101 is disposed in the furnace area 100, and the furnace 101 is provided with a tap hole 102. Wherein, the hot melting furnace can be an iron-making blast furnace, an iron alloy electric furnace or a tailing high-temperature hot melting furnace and the like which are commonly used in the field.
Further, a temperature regulating and tempering span 200 is vertically and tightly arranged with the hot melting furnace area 100, and two temperature regulating and tempering furnaces 201 are arranged in the temperature regulating and tempering span 200.
Further, the rock wool is striden 300 and is striden perpendicular integrative the arranging with the tempering that adjusts the temperature, and the rock wool is striden and is provided with two rock wool production lines 301 in.
Further, the slag discharging position 103 of the hot melting furnace 101 is respectively communicated with the temperature adjusting and tempering span through a slag pot conveying line 400. Wherein, be provided with slag ladle transport vechicle 500 on the slag ladle transport line 400, slag ladle transport vechicle 500 can walk along slag ladle transport line 400 to transport the slag ladle 600 that is used for splendid attire hot slag between the position 103 of slagging tap of hot melt furnace 101 and the quenching and tempering stride that adjusts the temperature, it should be noted that, slag ladle 600 trunnion is on a parallel with the quenching and tempering stride 200 that adjusts the temperature.
Further, the slag pot transport line 400 is a wide rail, wherein the slag pot car 500 is driven by an ac variable frequency motor on the slag pot transport line 400, and a weighing device is arranged on the slag pot car 500.
Further, the slag pot on-line roaster 700 is arranged on the slag pot conveying line 400, so that the temperature in the slag pot 500 during slag discharge is ensured, and the solidification probability of hot-melt slag is reduced.
Therefore, the invention changes the transportation mode of the hot-melt slag, realizes the zero-distance linear series connection of two workshops by combining the slag pot transportation line and the travelling crane, greatly reduces the transportation distance of the slag pot, improves the temperature of an empty slag pot, shortens the operation period of the slag pot to 30min, reduces the slag discharging temperature by 30-40 ℃, saves the construction cost, and reduces the operation cost and the production cost.
Fig. 2 shows a second embodiment of the integrated hot slag rock wool production process according to the present invention. In this embodiment, the system comprises two hot melting furnaces 101, five temperature-adjusting tempering furnaces 201 and five rock wool production lines 301.
In particular, each furnace zone 100 is provided with a furnace 101, the furnace 101 being provided with a tapping point 103.
Further, a plurality of tempering furnaces 201 that adjust the temperature are all arranged in tempering span 200 that adjusts the temperature, and a tempering furnace 201 that adjusts the temperature corresponds a rock wool production line 301.
Further, each hot melting furnace 101 adopts a slag pot transport line 400 to directly and thermally convey the slag pot 500 into the temperature-adjusting tempering span 200.
Further, an online roaster 700 is uniformly arranged on each slag pot conveying line 400, and the slag pot 600 is carried by the slag pot car 500 to run between the slag discharging position 103 and the temperature regulating tempering furnace 201.
Further, the furnace 101 may be provided with two or even more tap holes 102 depending on the production volume.
Other structures in this embodiment are the same as those in the first embodiment, and are not described in detail here.
It should be noted that, in this embodiment, only one (two) melting furnace is shown corresponding to two (five) rock wool production lines, but the present invention is not limited thereto, and the correspondence between the melting furnace and the rock wool production line can be flexibly set according to practical situations, for example, a plurality of melting furnaces are corresponding to a plurality of rock wool production lines for organizing production.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The production process of the hot-melt slag rock wool is characterized by comprising the following specific steps: the high-temperature melting furnace is adopted to melt the coal gangue to produce hot molten slag or metallurgical hot molten slag, the slag is discharged into the slag tank through the slag outlet, the slag tank is linearly transported to the temperature-adjusting tempering span through a slag tank car on the transportation line, the hot molten slag is hoisted and transported to the temperature-adjusting tempering furnace across the inner crane, and the cotton is formed after the temperature adjustment and tempering, so that the qualified rock wool is produced, and the integrated production process for producing the rock wool from the hot molten slag is realized.
2. The production process of hot slag rock wool according to claim 1, comprising the steps of:
the slag tank car after on-line baking carries an empty slag tank to move to a slag discharging position of a hot melting furnace for waiting for slag discharging, the hot melting slag is discharged into the slag tank through a slag discharging hole of the hot melting furnace, and the hot melting furnace is provided with a slag discharging position;
the slag tank of the slag tank truck bearing the full slag tank directly moves to a temperature-adjusting tempering span;
lifting the slag tank to a temperature-regulating tempering furnace through a crane in the temperature-regulating tempering span, adding slag in the slag tank into the temperature-regulating tempering furnace, and performing the production process of rock wool such as finished cotton after temperature regulation and tempering;
and the slag tank car moves to a roaster in the hot melting furnace area to be roasted on line, and moves to a slag outlet before slag discharging to wait for slag discharging and enter the next cycle.
3. The process for producing hot slag rock wool according to claim 1, wherein the transport line comprises a slag car and a slag pot, the slag car is used for transporting the slag pot between the hot melting furnace and the rock wool production line, and the slag pot is used for containing hot slag.
4. The process of hot slag rock wool production according to claim 2, wherein the roaster and the melter are disposed in the area of the melter.
5. The process for producing hot slag rock wool according to claim 2, wherein the furnace is provided with one or more slag tapping positions.
6. The process of producing hot slag rock wool according to claim 2, wherein the rock wool production line is disposed in a rock wool bay.
7. The production process of hot slag rock wool according to claim 2, wherein the temperature regulating tempering furnace is arranged in a temperature regulating tempering span, and a travelling crane for hoisting a slag pot is arranged in the span.
8. The process for producing hot slag rock wool according to claim 2, wherein the transport line is linear and the tapping point of the self-heating furnace extends to the rock wool production plant.
9. The production process of hot slag rock wool as claimed in claim 2, wherein the transportation line is provided with a slag pot on-line roaster, the slag pot can be roasted, and the slag pot carrying the hot-melt slag can be insulated.
10. The process for producing hot slag rock wool according to claim 2, wherein the slag car is driven by an ac variable frequency motor on a transportation line, and each slag car is provided with a weighing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010640903.1A CN111646687A (en) | 2020-07-06 | 2020-07-06 | Production process of hot-melt slag rock wool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010640903.1A CN111646687A (en) | 2020-07-06 | 2020-07-06 | Production process of hot-melt slag rock wool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111646687A true CN111646687A (en) | 2020-09-11 |
Family
ID=72350095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010640903.1A Pending CN111646687A (en) | 2020-07-06 | 2020-07-06 | Production process of hot-melt slag rock wool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111646687A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62263904A (en) * | 1986-05-12 | 1987-11-16 | Nippon Steel Corp | Molten slag conveyor between blast furnace and heating furnace for rock wool production |
| CN105238891A (en) * | 2015-10-20 | 2016-01-13 | 北京首钢国际工程技术有限公司 | Direct connection type process for iron making and steel making interface |
| CN106365431A (en) * | 2016-08-25 | 2017-02-01 | 山西太钢不锈钢股份有限公司 | Method of producing mineral wool from hot melt slag through electric furnaces |
| CN107356125A (en) * | 2017-08-02 | 2017-11-17 | 杨凤义 | It is a kind of to produce mineral wool or the kiln device of rock wool using high temperature hot stove slag |
| CN209798007U (en) * | 2019-01-16 | 2019-12-17 | 中冶赛迪工程技术股份有限公司 | multi-blast-furnace centralized molten iron supply system based on mechanical one-tank system |
-
2020
- 2020-07-06 CN CN202010640903.1A patent/CN111646687A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62263904A (en) * | 1986-05-12 | 1987-11-16 | Nippon Steel Corp | Molten slag conveyor between blast furnace and heating furnace for rock wool production |
| CN105238891A (en) * | 2015-10-20 | 2016-01-13 | 北京首钢国际工程技术有限公司 | Direct connection type process for iron making and steel making interface |
| CN106365431A (en) * | 2016-08-25 | 2017-02-01 | 山西太钢不锈钢股份有限公司 | Method of producing mineral wool from hot melt slag through electric furnaces |
| CN107356125A (en) * | 2017-08-02 | 2017-11-17 | 杨凤义 | It is a kind of to produce mineral wool or the kiln device of rock wool using high temperature hot stove slag |
| CN209798007U (en) * | 2019-01-16 | 2019-12-17 | 中冶赛迪工程技术股份有限公司 | multi-blast-furnace centralized molten iron supply system based on mechanical one-tank system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018014419A1 (en) | Method for mixed slag smelting reduction production and tempering | |
| CN106755654A (en) | A kind of method of slag metallurgy melting also original production | |
| CN103803793B (en) | Method for preparing inorganic fibers by using direct blowing of blast furnace molten slag | |
| WO2021179752A1 (en) | Blast furnace-converter production system based on molten iron ladle crossing vehicle, and operation method for system | |
| CN102305534B (en) | Quick vehicle-type reacting furnace | |
| CN104909540A (en) | Melting method for production of mineral wool from liquid blast furnace slag | |
| CN101906540A (en) | Solder splash side blowing molten pool smelting furnace cold metal direct making fuming volatilization method | |
| CN102051427B (en) | Method for preparing low-phosphorus and low-titanium molten iron by mixed-smelting high-phosphorus iron ore and titanic iron ore by oxygen-rich top-blowing smelting reduction technology | |
| CN102041400B (en) | Process and equipment for producing high-content manganese silicon alloy from low-grade ferromanganese ore | |
| CN111235339A (en) | Process capable of adjusting furnace burden collocation of converter | |
| CN213476034U (en) | Steelmaking workshop process arrangement structure with horizontal continuous charging electric furnace | |
| CN103992031B (en) | A kind of method utilizing ore-smelting electric furnace melting gangue and lateritic nickel ore to prepare inorganic mineral fiber | |
| CN111646687A (en) | Production process of hot-melt slag rock wool | |
| CN102127610B (en) | Ironmaking equipment and process for direct smelting reduction of iron ore | |
| CN110305999A (en) | A kind of metallized charge and its application method of the accumulation of processing blast furnace crucibe | |
| CN106702084B (en) | A method of reducing LF furnace power consumption | |
| CN111763007A (en) | Hot melt sediment rock wool production system | |
| CN112374764A (en) | Method for preparing mineral wool by thermal state tempering of molten steel slag | |
| CN202786299U (en) | Reduced iron kiln | |
| CN112195303A (en) | Steelmaking workshop process arrangement structure with horizontal continuous charging electric furnace | |
| CN206616247U (en) | A kind of molten iron production device | |
| CN101598500B (en) | Continuous steel furnace slag-free tapping hole | |
| CN215975512U (en) | Furnace for producing slag wool | |
| CN105923987B (en) | It is a kind of for producing the melting furnaces device with high-efficient energy-saving environment friendly of basaltic mineral wool | |
| CN110029202A (en) | A kind of method and device of converter steel scrap continuously pre-heating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200911 |