CN206428154U - A kind of utilization molten blast furnace slag one-step method produces the device of mineral wool - Google Patents
A kind of utilization molten blast furnace slag one-step method produces the device of mineral wool Download PDFInfo
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- CN206428154U CN206428154U CN201621441733.XU CN201621441733U CN206428154U CN 206428154 U CN206428154 U CN 206428154U CN 201621441733 U CN201621441733 U CN 201621441733U CN 206428154 U CN206428154 U CN 206428154U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model is related to the device that a kind of utilization molten blast furnace slag one-step method produces mineral wool, including slag runner, heating hardening and tempering furnace, stock chest, high pressure blower, homogenization stove, centrifugal blast device, collection hopper, into silk floss to roller, heating hardening and tempering furnace is connected with the slag runner of blast furnace；Heating hardening and tempering furnace, homogenization stove, centrifugal blast device, collection hopper, roller is sequentially connected into silk floss connect；High pressure blower is connected by pipeline with heating hardening and tempering furnace, waste heat boiler；Stock chest is connected with pipeline between high pressure blower and heating hardening and tempering furnace；Air blower is connected with centrifugal blast device, and collection hopper is connected with waste heat boiler, and waste heat boiler is connected with chimney.Advantage is：It is rational in infrastructure, blast furnace slag is directly reclaimed by the slag runner being connected with blast furnace, once by Four processes such as quenched, concurrent heating, homogenizing and waste heat recoveries, molten blast furnace slag sensible heat high efficiente callback and utilization is realized, the limit utilizes discarded object simultaneously, obtains high-quality mineral wool.
Description
Technical field
The utility model is related to.Utility model is related to metallurgy high temperature slag Exposure degree and its waste's reclamation field,
More particularly to it is a kind of efficiently using molten blast furnace slag sensible heat, without consuming coke, and produce the device of high-quality mineral wool.
Background technology
To ensure that formula molten blast furnace slag is the byproduct of blast furnace ironmaking, its discharge temperature is 1400~1600 DEG C, and heat content is about
For standard coal 60kg/t (slag).China produces 6.579 hundred million tons of the pig iron within 2012, produces 0.35 ton of slag to calculate by iron per ton, high
The quantum of output of clinker is 2.3 hundred million tons.But its processing at present uses water quenching mostly, the shortcoming of this method is：Not only blast furnace slag
Sensible heat can not be utilized, and cause a large amount of wastes of water resource, and serious pollution is also result in big gas and water and soil, be deteriorated
Working environment.
At present, when producing mineral wool, domestic and international producer uses blast furnace dry slag to add quenched composition for raw material mostly, mixing
Fibre is blown or is centrifuged into by soaring stove heat melting.Existing over one hundred family of mineral wool manufacturer of certain scale of China,
Year about 500,000 tons of designed productive capacity, but still growing demand can not be met.
Soaring stove heat melting injection is centrifuged into fine mature technology, the quenched operation letter of temperature adjustment to mineral wool melt
It is single, it is easily controlled, it is ensured that the continuity of melt, thus production is stable.But the technique does not utilize the aobvious of blast furnace cinder
Heat, and energy consumption is big during reheating, more than coke consumption amount 250kg/t, thus production cost is higher.And liquid blast furnace is adjusted
Mineral wool is directly produced after matter, Exposure degree utilization rate has fully demonstrated Resource Rationalization comprehensive utilization up to more than 80%.
The content of the invention
To overcome the deficiencies in the prior art, the purpose of this utility model is to provide one kind and utilizes molten blast furnace slag one-step method system
Take the device of mineral wool, compact conformation will be blown and produce mineral wool and be introduced into the process unit of blast-furnace cement sensible heat recovery, it is to avoid biography
Controlling takes the dependence of mineral wool STRENGTH ON COKE, and the blast furnace slag after processing is directly prepared into mineral wool, while high temperature air is with the shape of steam
Formula reclaims its sensible heat.
To achieve the above object, the utility model is achieved through the following technical solutions：
A kind of utilization molten blast furnace slag one-step method produces the device of mineral wool, including slag runner, heating hardening and tempering furnace, stock chest,
High pressure blower, homogenization stove, centrifugal blast device, collection hopper, into silk floss to roller, heating hardening and tempering furnace is connected with the slag runner of blast furnace
Connect；Heating hardening and tempering furnace, homogenization stove, centrifugal blast device, collection hopper, roller is sequentially connected into silk floss connect；High pressure blower passes through
Pipeline is connected with heating hardening and tempering furnace, waste heat boiler；Storing is connected with pipeline between high pressure blower and heating hardening and tempering furnace
Groove；Air blower is connected with centrifugal blast device, and collection hopper is connected with waste heat boiler, and waste heat boiler is connected with chimney.
Electric heater unit and galvanic couple are connected with described heating hardening and tempering furnace.
Compared with prior art, the beneficial effects of the utility model are：
It is rational in infrastructure, blast furnace slag is directly reclaimed by the slag runner that is connected with blast furnace, once by quenched, concurrent heating, homogenizing and
The Four processes such as waste heat recovery, realize molten blast furnace slag sensible heat high efficiente callback and utilization, while the limit utilizes discarded object, obtain
Energy-saving and emission-reduction and control pollution, so as to overcome traditional mineral wool production to rely on the shortcoming of coke, are had by high-quality mineral wool
Great social effect.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1- blast furnace 2- slag runner 3- temperature measuring equipment 4- chimney 5- waste heat boiler 6-PLC controller 7- electrical heating
Device 8- homogenizes stove 9- collection hopper 10- into silk floss to roller 11- centrifugal blast device 12- air blower 13- slide gate nozzles 14-
Stock chest 15- high pressure blowers 16- heating hardening and tempering furnaces.
Embodiment
The utility model is described in detail with reference to Figure of description, it should be noted that of the present utility model
Implementation is not limited to following embodiment.
See Fig. 1, a kind of method that utilization molten blast furnace slag one-step method produces mineral wool, the melting slag of blast furnace 1 is flowed into through slag runner 2
Heat up hardening and tempering furnace 16, homogenization stove 8, centrifugal blast mechanism, collection hopper 9, into silk floss to roller 10, be finally made mineral wool, simultaneously rise
The high-pressure blast of warm hardening and tempering furnace 16 passes through waste heat boiler 5, produces high steam, enters steam pipe system or direct export trade, specifically include
Following steps：
1) temperature flows into heating hardening and tempering furnace 16 for 1400~1450 DEG C of the slag of melting blast furnace 1 through slag runner 2；
2) the quenched materials of granularity 0.04-0.06mm are stored in stock chest 14, stock chest 14 after pulverizer grinding
Quenched material is blasted in heating hardening and tempering furnace 16 by high pressure blower 15, the slag of blast furnace 1, one in high-pressure blast agitation heating hardening and tempering furnace 16
Aspect accelerates quenched matter melts, on the other hand promotes the melting slag temperature of blast furnace 1 uniform so that slag acidity coefficient exists
In the range of 1.2~1.4；Quenched material is mainly slag, can also add the materials such as lime stone；
3) temperature control in heating hardening and tempering furnace 16 is at 1420 DEG C -1430 DEG C；
4) the high pressure air temperature of heating hardening and tempering furnace 16 is more than 600 DEG C, and 245 DEG C, 2.0MPa are produced by waste heat boiler 5
High steam, the steam enters steam pipe system or direct export trade, and waste gas of the temperature less than 200 DEG C is discharged by chimney 4；
5) it will heat up hardening and tempering furnace 16 and import homogenization stove 8 so that the temperature and composition of material enter one in heating hardening and tempering furnace 16
Step is uniform, is conducive to the formation of mineral wool；
6) more than 1400 DEG C of clinker flows into centrifugal blast device 11 by the slide gate nozzle 13 of homogenization stove 8 bottom,
Under centrifugal force, air drag, the comprehensive function of surface tension and blowing power, slag is blown into a diameter of 7~10 μm of silk, and
And further it is cooled to slag staple in collection hopper 9；
7) pressure is that 0.8~1.2MPa air blasts centrifugal blast device 11 and collection hopper 9 by air blower 12 2, participates in spray
Wire drawing is blown, and is exchanged heat with staple, its temperature can reach 400 DEG C, warm air also enters waste heat boiler 5 in this part,
Its waste heat is absorbed as a vapor；
8) slag staple passes through into silk floss and roller 10 is handled, finally into mineral wool finished product, carries out export trade.
A kind of utilization molten blast furnace slag one-step method produces the device of mineral wool, including slag runner 2, heating hardening and tempering furnace 16, storing
Groove 14, high pressure blower 15, homogenization stove 8, centrifugal blast device 11, collection hopper 9, into silk floss to roller 10, heating hardening and tempering furnace 16 with
The slag runner 2 of blast furnace 1 is connected；Heat up hardening and tempering furnace 16, homogenization stove 8, centrifugal blast device 11, collection hopper 9, into silk floss to roller 10 according to
It is secondary to be connected；High pressure blower 15 is connected by pipeline with heating hardening and tempering furnace 16, waste heat boiler 5；High pressure blower 15 is with rising
Stock chest 14 is connected with pipeline between warm hardening and tempering furnace 16；Air blower 12 is connected with centrifugal blast device 11, collection hopper 9 with
Waste heat boiler 5 is connected, and waste heat boiler 5 is connected with chimney 4.
Electric heater unit and galvanic couple are connected with heating hardening and tempering furnace 16, it is high by melting in galvanic couple measurement heating hardening and tempering furnace 16
The temperature of the slag of stove 1, if the temperature is less than 1420 DEG C, the electrical heating for starting the hardening and tempering furnace 16 that heats up by PLC 6 is filled
Put, when temperature reaches 1430 DEG C, PLC 6 closes the electric heater unit of heating hardening and tempering furnace 16.
The utility model is realized melting blast furnace 1 slag and shown by Four processes such as quenched, concurrent heating, homogenizing and waste heat recoveries
Hot high efficiente callback and utilization, while the limit utilizes discarded object, obtain high-quality mineral wool, so as to overcome traditional mineral wool to produce
The shortcoming of coke is relied on, there is great social effect to energy-saving and emission-reduction and control pollution.
Claims (2)
1. a kind of utilization molten blast furnace slag one-step method produces the device of mineral wool, it is characterised in that quenched including slag runner, heating
Stove, stock chest, high pressure blower, homogenization stove, centrifugal blast device, collection hopper, into silk floss to roller, heating hardening and tempering furnace and blast furnace
Slag runner is connected；Heating hardening and tempering furnace, homogenization stove, centrifugal blast device, collection hopper, roller is sequentially connected into silk floss connect；High pressure drum
Blower and pipeline is connected with heating hardening and tempering furnace, waste heat boiler；Connect on pipeline between high pressure blower and heating hardening and tempering furnace
It is connected to stock chest；Air blower is connected with centrifugal blast device, and collection hopper is connected with waste heat boiler, waste heat boiler and chimney phase
Connection.
2. a kind of utilization molten blast furnace slag one-step method according to claim 1 produces the device of mineral wool, it is characterised in that
Electric heater unit and galvanic couple are connected with described heating hardening and tempering furnace.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621441733.XU CN206428154U (en) | 2016-12-27 | 2016-12-27 | A kind of utilization molten blast furnace slag one-step method produces the device of mineral wool |
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| CN201621441733.XU CN206428154U (en) | 2016-12-27 | 2016-12-27 | A kind of utilization molten blast furnace slag one-step method produces the device of mineral wool |
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| CN206428154U true CN206428154U (en) | 2017-08-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746584A (en) * | 2016-12-27 | 2017-05-31 | 中钢集团鞍山热能研究院有限公司 | A kind of utilization molten blast furnace slag one-step method produces the method and device of mineral wool |
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- 2016-12-27 CN CN201621441733.XU patent/CN206428154U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746584A (en) * | 2016-12-27 | 2017-05-31 | 中钢集团鞍山热能研究院有限公司 | A kind of utilization molten blast furnace slag one-step method produces the method and device of mineral wool |
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