CN103145328B - A kind of method of basalt blast furnace slag in preparation of rock wool board comprehensive utilization - Google Patents
A kind of method of basalt blast furnace slag in preparation of rock wool board comprehensive utilization Download PDFInfo
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- CN103145328B CN103145328B CN201310079380.8A CN201310079380A CN103145328B CN 103145328 B CN103145328 B CN 103145328B CN 201310079380 A CN201310079380 A CN 201310079380A CN 103145328 B CN103145328 B CN 103145328B
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The invention discloses the method for a kind of basalt blast furnace slag in preparation of rock wool board comprehensive utilization, it make use of blast furnace slag in rock wool manufactures, and turns waste into wealth; Reclaim cupola furnace fume afterheat after taking first dedusting and carry out cupola furnace reheated blast, rock wool solidification and rock cotton board shrink-packaging technique, achieve waste heat of cupola furnace and recycle to greatest extent, reduce the pollution to environment; A large amount of CO (carbon monoxide converter) gas that contains not containing dust enters combustion chamber, and temperature of combustion controls at 750 DEG C ~ 950 DEG C, and interchanger is without laying dust, and heat exchange is stablized, and efficiency is high, and maintenance workload is few, does not need labor cleaning, extends the production time, improves production capacity, reduces costs; 350 DEG C ~ 700 DEG C hot blasts, strengthening, energy-conservation Smelting Effect is remarkable; The cleaning flue gases of dust that do not have of discharging from interchanger enters hot-air distributor, and be heating and curing each curing room of stove, carries out being heating and curing rock cotton board, and control temperature is generally at 170 DEG C ~ 280 DEG C, and solidification intensity is high, and rock cotton board quality is good.
Description
Technical field
The present invention relates to the method for a kind of basalt blast furnace slag in preparation of rock wool board comprehensive utilization, belong to rock wool production field.
Background technology
At present, it is that furnace gas incinerator is placed on cupola furnace outlet port place that known rock cotton board manufactures cupola furnace, and the waste gas of cupola furnace directly enters incinerator, and the flue gas after burning enters hot air heat exchanger, as shown in Figure 1.Thereby produce following defect:
1. dust enters interchanger with flue gas, and deposit adhesion, on heat transfer tube, makes the heat transfer rate of interchanger reduce gradually, until can not heat exchange, heat exchange be unstable, and calorific loss is large.Usually take labor cleaning, work situation is severe, wastes time and energy, and reduces throughput.
2. the flue-gas temperature after heat exchange 350 DEG C ~ 450 DEG C, because of containing dust, directly can not enter curing oven, otherwise dust adhesion rock wool silk is surperficial, reduces binding agent effect, destroys rock cotton board intensity, reduces rock cotton board quality.
3. the flue gas of 350 DEG C ~ 450 DEG C discharged by interchanger, first need cool to less than 150 DEG C and just can enter sack cleaner, have lost flue gas heat.The spent air temperture that sack cleaner is discharged still has about 120 DEG C, and heat is not utilized.
Known rock wool curing process in addition, the source of heat is coal gas, coke or Sweet natural gas, and curing oven fume afterheat enters air, waste energy, contaminate environment.
Summary of the invention
For the deficiency that prior art exists, technical problem to be solved by this invention is, provides a kind of method that basalt blast furnace slag in preparation of rock wool board fully utilizes, save energy, reduce production cost, reduce labour intensity and environmental pollution, the Simultaneous Stabilization quality of product.
For solving the problems of the technologies described above, the technical scheme that the present invention takes is, a kind of method of basalt blast furnace slag in preparation of rock wool board comprehensive utilization, and it comprises the following steps:
(1) add coke in cupola furnace and form bed coke, and air-supply is lighted;
(2) furnace charge basalt and blast furnace slag are added on bed coke, heating is by load melting in batches;
(3) flue gas containing carbon monoxide and dust of being discharged by cupola furnace sends into dust removal installation, sends into incinerator, after burning and heating up, send cupola furnace internally heated oven material back to again through first-class heat exchanger after dedusting;
(4) furnace charge after fusing falls into the centrifugal cotton machine that blows and forms rock wool silk from cupola furnace, at rock wool silk surface spraying binding agent, and feeding collection cotton strip deposits;
(5) put folding for the rock wool silk of deposition feeding pendulum cotton machine and pressurize, after pressurization, feeding curing oven is heating and curing, and forms rock cotton board.
Optimize, the method for above-mentioned basalt blast furnace slag in preparation of rock wool board comprehensive utilization, it also comprises step (6) and sends into cutting machine cutting by shaping rock cotton board, sends into wrapping machine, carry out shrink-packaging with plastic film after cutting.
Optimize, the method of above-mentioned basalt blast furnace slag in preparation of rock wool board comprehensive utilization, dust removal installation in its step (3) comprises tornado dust collector, sack cleaner and waste gas induced draft fan, the flue gas that cupola furnace is discharged enters tornado dust collector and carries out primary dust removing under the effect of waste gas induced draft fan, then enters sack cleaner and after two-stage dust removal, enters incinerator light burning.
Optimize, the method for above-mentioned basalt blast furnace slag in preparation of rock wool board comprehensive utilization, its incinerator also passes into air and Sweet natural gas.
Optimize, the method for above-mentioned basalt blast furnace slag in preparation of rock wool board comprehensive utilization, in its first-class heat exchanger, part hot blast enters the hot-air distributor be connected with first-class heat exchanger; A part of waste gas is sent into chimney by waste gas induced draft fan and is entered air by described hot-air distributor, and another part hot blast is admitted to shrink-packaging's machine and curing oven heats, and the waste gas that curing oven is discharged enters hot-air distributor by recirculation blower.
Optimize, the method for above-mentioned basalt blast furnace slag in preparation of rock wool board comprehensive utilization, in its step (2), furnace charge can also include rhombspar.
Optimize, the method for above-mentioned basalt blast furnace slag in preparation of rock wool board comprehensive utilization, in its step (2), often criticize the coke charge added between furnace charge for supplementary bed coke loss.
The invention has the beneficial effects as follows: in rock wool manufactures, make use of blast furnace slag, turn waste into wealth; Reclaim cupola furnace fume afterheat after taking first dedusting and carry out cupola furnace reheated blast, rock wool solidification and rock cotton board shrink-packaging technique, achieve waste heat of cupola furnace and recycle to greatest extent, reduce the pollution to environment; The flue gas containing a large amount of CO (carbon monoxide converter) gas not containing dust enters incinerator, and temperature of combustion controls at 750 DEG C ~ 950 DEG C, and interchanger is without laying dust, and heat exchange is stablized, efficiency is high, and maintenance workload is few, does not need labor cleaning, extend the production time, improve production capacity, reduce costs; 350 DEG C ~ 700 DEG C hot blasts, strengthening, energy-conservation Smelting Effect is remarkable; 350 DEG C ~ 450 DEG C from interchanger discharge do not have the cleaning flue gases of dust to enter hot-air distributor, and be heating and curing each curing room of stove, carries out being heating and curing rock cotton board, and control temperature is generally at 170 DEG C ~ 280 DEG C, and solidification intensity is high, and rock cotton board quality is good; There is the comprehensive benefit of significant energy-saving and emission-reduction, refuse reclamation, joint Zhi Zengxiao.
Accompanying drawing explanation
Fig. 1 is that cupola furnace flue gas of the prior art moves towards schema;
Fig. 2 is that cupola furnace flue gas of the present invention moves towards schema.
Embodiment
Technical characterstic of the present invention is set forth further below in conjunction with accompanying drawing and specific embodiment.
As shown in Figure 2, the present invention is the method for a kind of basalt blast furnace slag in preparation of rock wool board comprehensive utilization, comprises the following steps:
(1) add coke in cupola furnace and form bed coke, and air-supply is lighted;
(2) be added on bed coke by the furnace charges such as basalt, blast furnace slag, rhombspar by proportioning, add coke charge between often criticizing, with the consume of supplementary bed coke, heating is by load melting in batches again;
(3) flue gas containing carbon monoxide and dust of being discharged by cupola furnace sends into dust removal installation, sends into incinerator, after burning and heating up, send cupola furnace internally heated oven material back to again through first-class heat exchanger after dedusting;
(4) furnace charge after fusing and unvenile water fall into the centrifugal cotton machine that blows and form rock wool silk from cupola furnace, at rock wool silk surface spraying binding agent, and feeding collection cotton strip deposit;
(5) put folding for the rock wool silk of deposition feeding pendulum cotton machine and pressurize, after pressurization, feeding curing oven is heating and curing, and forms rock cotton board;
(6) shaping rock cotton board is sent into cutting machine cutting, send into wrapping machine after cutting, carry out shrink-packaging with plastic film, form rock wool product;
Dust removal installation in its step (3) comprises tornado dust collector, sack cleaner and waste gas induced draft fan, the flue gas that cupola furnace is discharged enters tornado dust collector and carries out primary dust removing under the effect of waste gas induced draft fan, then enters sack cleaner and after two-stage dust removal, enters incinerator light burning.Its incinerator passes into waste gas combustion air and air and Sweet natural gas, when passing into Sweet natural gas, natural gas facility also can pass into combustion air.
Exhaust gas and dust (viscosity is large, tiny), carbon monoxide and other objectionable impurities that cupola furnace discharges in the process of fusing, under the effect of induced draft fan, enter tornado dust collector and carry out first step dedusting, enter sack cleaner again and carry out second stage dedusting, clean flue gas after dedusting enters incinerator and combustion chambers burn, burn in-furnace temperature and can reach more than 1000 DEG C, general control incinerator funnel temperature 700 DEG C ~ 950 DEG C (interchanger is without laying dust, heat exchange is stablized, efficiency is high, maintenance workload is few), enter interchanger and heat exchange is carried out in air-supply; When in incinerator, spent air temperture is lower than 500 DEG C, the additional combustion engine of incinerator lights waste gas automatically, when temperature is raised to more than 500 DEG C, burner stops burning, the waste gas entering incinerator just can spontaneous combustion, and the flue-gas temperature entering interchanger from incinerator controls, at 700 DEG C ~ 950 DEG C, to carry out heat exchange, air-supply is heated to 350 DEG C ~ 700 DEG C, sends into the burning of cupola furnace strengthening bed coke.Mist heat recovering, improves in-furnace temperature, saves coke.
In its first-class heat exchanger, part hot blast enters the hot-air distributor be connected with first-class heat exchanger; A part of waste gas is sent into chimney by waste gas induced draft fan and is entered air by described hot-air distributor, and another part hot blast is admitted to shrink-packaging's machine and curing oven heats, and the waste gas that curing oven is discharged enters hot-air distributor by recirculation blower.
The object done like this is: 350 DEG C ~ 450 DEG C flue gases of discharging from interchanger to be heating and curing the multiple curing room of stove through hot-air distributor, carry out rock cotton board thermofixation, also have the waste heat of partially cured room to send into shrink-packaging's machine more simultaneously, with its waste heat, plastic film shrink-packaging machine is carried out to rock cotton board.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited to above-mentioned citing; those skilled in the art; in essential scope of the present invention, the change made, remodeling, interpolation or replacement, all should belong to protection scope of the present invention.
Claims (6)
1. a method for basalt blast furnace slag in preparation of rock wool board comprehensive utilization, it comprises the following steps:
(1) add coke in cupola furnace and form bed coke, and air-supply is lighted;
(2) furnace charge basalt and blast furnace slag are added on bed coke, heating is by load melting in batches;
(3) flue gas containing carbon monoxide and dust of being discharged by cupola furnace sends into dust removal installation, sends into incinerator, after burning and heating up, send cupola furnace internally heated oven material back to again through first-class heat exchanger after dedusting;
(4) furnace charge after fusing falls into the centrifugal cotton machine that blows and forms rock wool silk from cupola furnace, at rock wool silk surface spraying binding agent, and feeding collection cotton strip deposits;
(5) put folding for the rock wool silk of deposition feeding pendulum cotton machine and pressurize, after pressurization, feeding curing oven is heating and curing, and forms rock cotton board;
Dust removal installation in described step (3) comprises tornado dust collector, sack cleaner and waste gas induced draft fan, the flue gas that cupola furnace is discharged enters tornado dust collector and carries out primary dust removing under the effect of waste gas induced draft fan, then enters sack cleaner and after two-stage dust removal, enters incinerator light burning.
2. the method for basalt blast furnace slag in preparation of rock wool board comprehensive utilization according to claim 1, it is characterized in that: also comprise step (6) and send into cutting machine cutting by shaping rock cotton board, send into wrapping machine after cutting, carry out shrink-packaging with plastic film.
3. the method for basalt blast furnace slag in preparation of rock wool board comprehensive utilization according to claim 1, is characterized in that: described incinerator also passes into air and Sweet natural gas.
4. the method for basalt blast furnace slag in preparation of rock wool board comprehensive utilization according to claim 3, is characterized in that: in described first-class heat exchanger, part hot blast enters the hot-air distributor be connected with first-class heat exchanger; A part of waste gas is sent into chimney by waste gas induced draft fan and is entered air by described hot-air distributor, and another part hot blast is admitted to shrink-packaging's machine and curing oven heats, and the waste gas that curing oven is discharged enters hot-air distributor by recirculation blower.
5. the method for basalt blast furnace slag in preparation of rock wool board comprehensive utilization according to claim 3, is characterized in that: in described step (2), furnace charge also includes rhombspar.
6. the method for basalt blast furnace slag in preparation of rock wool board according to claim 4 comprehensive utilization, is characterized in that: often criticize the coke charge added between furnace charge for supplementary bed coke loss in described step (2).
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| CN201310079380.8A CN103145328B (en) | 2013-03-13 | 2013-03-13 | A kind of method of basalt blast furnace slag in preparation of rock wool board comprehensive utilization |
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| CN201310079380.8A CN103145328B (en) | 2013-03-13 | 2013-03-13 | A kind of method of basalt blast furnace slag in preparation of rock wool board comprehensive utilization |
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| CN103145328B true CN103145328B (en) | 2016-03-16 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445909B (en) * | 2014-10-31 | 2016-10-26 | 湖州吴兴道场城乡建设发展有限公司 | A kind of novel slag wool fiber plate |
| CN105536374A (en) * | 2016-01-29 | 2016-05-04 | 青岛青力环保设备有限公司 | Cupola tail gas treatment system |
| CN106116133B (en) * | 2016-06-14 | 2018-05-08 | 四川帕沃可矿物纤维制品有限公司 | A kind of rock wool production line of energy-saving high yield |
| CN106082685B (en) * | 2016-06-14 | 2018-05-25 | 四川帕沃可矿物纤维制品有限公司 | A kind of agricultural rock wool and the production method of agricultural rock wool |
| CN106746581B (en) * | 2016-11-26 | 2019-09-24 | 保定市华锐方正机械制造有限公司 | A kind of method of rock wool waste material mixture regeneration treatment |
| CN106863827A (en) * | 2017-04-07 | 2017-06-20 | 马鞍山市北大益丰环保科技有限责任公司 | A kind of molten blast furnace slag produces the technique and device of rock wool |
| CN107553751B (en) * | 2017-08-17 | 2019-04-09 | 上海新型建材岩棉大丰有限公司 | A kind of agricultural rock wool automatic processing technology |
| CN110055410A (en) * | 2019-05-06 | 2019-07-26 | 安徽工业大学 | A kind of electric furnace bag-type dust ash resource utilization method |
| CN113072305B (en) * | 2021-04-20 | 2023-01-31 | 洛阳昊海环保科技有限公司 | Method for preparing mineral wool and method for utilizing waste in production process of mineral wool |
| CN115991576A (en) * | 2022-12-07 | 2023-04-21 | 南京玻璃纤维研究设计院有限公司 | Method for recycling rock wool waste residues through electric melting method and cooperatively treating VOCs (volatile organic compounds) in electric furnace |
| CN118517924B (en) * | 2024-07-23 | 2024-09-13 | 大城县洪海保温材料有限公司 | Waste heat recovery system is used in rock wool production |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1931763A (en) * | 2006-09-30 | 2007-03-21 | 攀枝花环业冶金渣开发有限责任公司 | Slag wool of high titanium type blast furnace slag |
| CN101032829A (en) * | 2006-03-06 | 2007-09-12 | 李文章 | Method of producing rock wool lath |
| CN101726175A (en) * | 2009-12-08 | 2010-06-09 | 赵文鹤 | Heat accumulating type external heat blast cupola furnace |
| CN102838274A (en) * | 2011-06-23 | 2012-12-26 | 青岛青力环保设备有限公司 | Method for producing solidified slag rock wool by smoke afterheat and slag of cupola furnace |
-
2013
- 2013-03-13 CN CN201310079380.8A patent/CN103145328B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101032829A (en) * | 2006-03-06 | 2007-09-12 | 李文章 | Method of producing rock wool lath |
| CN1931763A (en) * | 2006-09-30 | 2007-03-21 | 攀枝花环业冶金渣开发有限责任公司 | Slag wool of high titanium type blast furnace slag |
| CN101726175A (en) * | 2009-12-08 | 2010-06-09 | 赵文鹤 | Heat accumulating type external heat blast cupola furnace |
| CN102838274A (en) * | 2011-06-23 | 2012-12-26 | 青岛青力环保设备有限公司 | Method for producing solidified slag rock wool by smoke afterheat and slag of cupola furnace |
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