CN206219613U - A kind of dry type blast-furnace cement sensible heat recovery system - Google Patents
A kind of dry type blast-furnace cement sensible heat recovery system Download PDFInfo
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- CN206219613U CN206219613U CN201621257426.6U CN201621257426U CN206219613U CN 206219613 U CN206219613 U CN 206219613U CN 201621257426 U CN201621257426 U CN 201621257426U CN 206219613 U CN206219613 U CN 206219613U
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model is related to a kind of dry type blast-furnace cement sensible heat recovery system, including cold slag ladle, waste heat boiler, delivery pipe one, and the two ends of delivery pipe one are respectively on the charging aperture of cold slag ladle and waste heat boiler；The bottom of waste heat boiler and cold slag ladle has been respectively communicated with delivery pipe two, and power set are installed in delivery pipe two；Slag inlet is set on conveyance conduit one, and slag inlet connection slag trough, liquid slag is flowed out from slag trough, entered in cold slag groove by slag inlet；Cold slag ladle charging aperture top sets cold slag roller, and cold slag roller is arranged in pairs, and sets cooling system in cold slag roller, cold slag roller liquid slag, rolls the slag after cooling between cold slag roller, and slag is fallen into cold slag ladle after die mould.The utility model realizes effective recovery of blast-furnace cement sensible heat, and complex energy organic efficiency reaches more than 75%；Meanwhile, the energy resource consumption of steel production is reduced, reduce blast furnace slag cooling water, grain slag and transport outward aqueous equal loss, and the environmental pollution for thus bringing.
Description
Technical field
The utility model belongs to residual heat and energy recycling field, more particularly to a kind of dry type blast-furnace cement sensible heat recovery system and
Production technology.
Background technology
Steel is important enterprise infrastructure material and functional material in the development of the national economy, and 21 century, the world enters warp
In the brand-new time of Ji globalization and information, steel is needed remain for as support, the adjustment with iron and steel output increases,
Resource, the pollutant emission of the energy have turned into the restrictive factor that restriction China steel and iron industry further develops.Therefore, in China
In the process that steel and iron industry is taken a new road to industrialization, reducing energy consumption, water consume and consumption of raw materials should be puted forth effort, carry out environmental protection work
Make, realize the transformation of growth pattern, realize the coordination sustainable development of steel production development and ecological resources.
The exhausted major part of China's iron and steel output is produced using blast furnace-converter flow, and steel scrap is adopted for primary raw material
With electric furnace smelting, very small amount uses reducing process.And, from now on for quite a long time in electric steel this, direct-reduction steel
Than that will not be greatly improved.Blast furnace slag is in blast furnace ironmaking process, by the ash in ore in gangue, fuel and molten
The accessory substance that non-volatile component in agent is formed.At present, one ton of pig iron of China's smelting about produces 0.3~0.6 ton of blast furnace slag.2014
Year, China produced 8.038 hundred million tons of steel, i.e., calculated by 0.3t slags/t iron, the yield about 2.4114t of blast furnace slag.The tapping temperature of blast furnace slag
1500 DEG C of ＞, heat of the 1t blast furnace slags containing about 1.78GJ, equivalent to the calorific capacity of 0.058t standard coals, with the life of China in 2014
Iron Production rate, the calorific capacity of the equivalent 1398.6 ten thousand t standard coals of heat contained by blast furnace slag.
About 1500 DEG C of the temperature of liquid blast furnace, usual processing method is mainly water quenching, is used through the blast furnace slag after water quenching
In making cement, roadbed, construction material etc..The shortcoming of water quenching is：Not only blast-furnace cement sensible heat cannot be utilized, and in water quenching
During cause a large amount of wastes of water resource, serious pollution also result in big gas and water and soil, be degrading working environment.
Wherein flushing cinder water evaporation is about 0.35t water/t slags, and grain slag outward transport is aqueous to be about 20% (i.e. 0.2t water/t slags), in addition slag muck water
Evaporation also has certain loss.Shown according to related data, general blast furnace often produces the 1t pig iron and takes around consumption flushing cinder water
0.27~0.36t, accounts for that certain this is heavy in blast furnace process water.
Utility model content
The utility model proposes a kind of dry type to slag cement sensible heat recovery system and its production technology.Blast furnace slag is carried out first
Anxious shaping, blast furnace slag is cooled to below 1300 DEG C of freezing point temperature, and the blast furnace clinker after solidification is entered with air then
One step is cooled down, and reclaims the high temperature sensible heat of slag.Realize that the technical scheme of above-mentioned purpose is as follows：
A kind of dry type blast-furnace cement sensible heat recovery system, it is characterised in that：It is remaining including cold slag ladle, waste heat boiler, delivery pipe one
There is coolant, coolant is used for heat exchange, and wherein the two ends port of delivery pipe one is respectively to mounted in cold slag ladle in heat boiler
On the charging aperture of waste heat boiler；
The bottom of waste heat boiler and cold slag ladle has been respectively communicated with delivery pipe two, and power set, power are installed in delivery pipe two
Device drives the air in delivery pipe two to be flowed；Slag inlet is set on conveyance conduit one above cold slag ladle charging aperture, is entered
Cinder notch connects slag trough, and liquid slag flows out from slag trough, is entered in cold slag groove by slag inlet；
Cold slag roller is set in the space below cold slag ladle charging aperture top, slag inlet, and cold slag roller is paired to be set relatively
Put, the rotation that cold slag roller can be relative, and cooling system is set in cold slag roller, cooling system cools down cold slag roller, cold slag
Roller is cooled down to the liquid slag for flowing down, and the slag after cooling is rolled between the cold slag roller being arranged in pairs, and slag is pressed
Fallen into after type in cold slag ladle.
Preferably, slag inlet sets cloth slag plate with slag trough contact position, in the outside of slag inlet.
Preferably, several grooves are set on the surface of cold slag roller, liquid slag in the groove of cold slag cylinder surface into
Type.
Preferably, wherein being respectively provided with jack on the cold slag roller being oppositely arranged, a jack forms water inlet, another
Jack forms apopore, and cold slag roller is cooled down by flowing through the coolant of jack, makes liquid slag energy between cold slag roller
Enough coolings, cold slag roller is respectively arranged below one or several compressed air hoses, wherein one end of every compressed air hose is worn
The lower section of cold slag roller, the other end connection compressed air dress of compressed air hose are fixed on after supercooling slag ladle or delivery pipe one
Put, after blowing plant compressed air, compressed air is blown by compressed air hose, it is ensured that cold slag roller lower section
Surface cure of slagging tap；Water inlet, delivery port, coolant and compressed air cast into cooling system.
Preferably, the lower section of the delivery pipe one installation unloading valve between cold slag ladle and waste heat boiler, the corresponding position of unloading valve,
Dust arrester is installed in delivery pipe one.
Preferably, the bottom of cold slag ladle is provided with discharge port, and unloading valve is installed on discharge port, and the lower section of unloading valve sets defeated
Send band.
Slag is caused cold slag roller top cloth slag chute by the utility model slag trough, and cloth slag chute is by high-temperature liquid furnace slag along cold slag
Drum length direction is uniform, and high-temperature liquid furnace slag is under gravity and the effect of cold slag roller tractive force between cold slag roller and the rolling of cold slag
Shaping in cylinder surface groove；Cold slag drums inside water flowing cooling, makes high-temperature liquid furnace slag quickly be cooled down between cold slag roller；Cold slag
Roller lower section tangentially sets compressed air hose and is blown, it is ensured that surface cure of being slagged tap below cold slag roller；Compression is empty
Tracheae injection point lower section setting slag hitting device guarantee is slagged tap blocking by cold slag cylinder surface groove.Blast furnace slag after chilling shaping enters
Enter in cold slag ladle.
The utility model carries out air-slag heat exchange in cold slag ladle.
Use the utility model technical process of such scheme for：
1) 1450~1550 DEG C of high-temperature liquid furnace slag, high-temperature liquid furnace slag is distributed on two cold slag rollers by paniculata device
On, cooled down in cold slag drums inside water flowing and compressed air hose is set in lower section tangential direction, it is ensured that high-temperature liquid furnace slag is cold
Slag roller lower exit port is cooled to below 1200~1300 DEG C of freezing point, and is molded by cold slag cylinder surface groove；
2) just cold and after interrupting solid-state clinker is fallen into cold slag ladle, the air sent into circulating fan in cold slag ladle
Heat exchange is carried out, air is heated to about 500 DEG C, and slag is cooled to less than 150 DEG C；
3) air after being heated sends into waste heat boiler after primary dedusting, and the water in waste heat boiler absorbs the heat of hot-air
Amount, produces the steam of medium temperature and medium pressure and pressures below grade, air to be cooled to less than 150 DEG C；
Air in 4 painting heat boilers sends into cold slag ladle lower section after being cooled to less than 150 DEG C by circulating fan, with cold slag
High temperature furnace slag carries out heat exchange in tank；
One seat height stove can install a set of the utility model device in the corresponding site of each slag notch, and heat smoke collects laggard
Enter a set of waste heat boiler, be so capable of achieving cinder notch and slag tap in turn, cold slag ladle continuous coo1ing, waste heat boiler continuously generates steam.
The utility model realizes effective recovery of high-temperature liquid furnace slag sensible heat, complex energy organic efficiency reach 75% with
On, the energy resource consumption of reduction steel production, reduction cooling of furnace slag water, the aqueous equal loss of grain slag outward transport, and thus bring
Environmental pollution.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Reference：Cold slag ladle 1, waste heat boiler 2, delivery pipe 1, unloading valve 4, dust arrester 5, delivery pipe 26, circulation
It is blower fan 7, slag trough 8, cloth slag chute 9, cold slag roller 10, water inlet 11, apopore 12, compressed air hose 13, slag hitting device 14, clear
Slag plate 15, deep bead 16, slag curtain 17, conveyer belt 18,
Specific embodiment
Specific embodiment of the present utility model is described in detail below by accompanying drawing：
In Fig. 1, dry type blast-furnace cement sensible heat recovery system includes cold slag ladle 1, waste heat boiler 2, delivery pipe 1, waste heat boiler 2
It is interior with water, for heat exchange, the water in waste heat boiler can be given by boiler and be supplemented, wherein the two ends of delivery pipe 1
Port is respectively on the charging aperture of cold slag ladle 1 and waste heat boiler 2.The bottom of cold slag ladle is provided with discharge port, on discharge port
Unloading valve 4 is installed.Unloading valve 4 is used for the slag that comes down in torrents.Unloading valve 4 is also installed in the lower section of delivery pipe 1, while unloading valve 4 is corresponding
Position, the installation dust arrester 5 in delivery pipe one, dust arrester 5 can remove the dust in delivery pipe 1, the dust of accumulation
Discharged by unloading valve 4.
The bottom of waste heat boiler 2 and cold slag ladle 1 has been respectively communicated with delivery pipe 26, and power set are installed in delivery pipe 26,
Power set are preferably circulating fan 7, and circulating fan 7 gives the power of the air circulation in delivery pipe 26；Conveyance conduit 1
Upper setting slag inlet, slag inlet connects the slag trough 8 of blast furnace, and liquid slag A flows out along the path of slag trough 8, by slag input
Mouthful enter in cold slag groove 1, in order to avoid liquid slag splashes and distribution liquid slag, slag inlet and the contact position of slag trough 8,
Cloth slag chute 9 is set on the outside inwall of slag inlet.Slag trough 8 has certain length in the utility model, when liquid slag is suitable
When slag trough 8 and flowing down, liquid slag can be caused and carried out in cloth slag chute 9 by liquid slag along the length direction of slag trough 8
Distribution, the liquid slag being distributed is past again to flow down.
Cold slag roller 10, the paired phase of cold slag roller 10 are set in space below the charging aperture of cold slag ladle 1 top, slag inlet
To setting, what cold slag roller 10 can be relative under the drive of power is rotated to roller, and cold slag rolling is controlled also dependent on the treatment quantity of slag
The rotating speed of cylinder.The distance between cold slag roller 10 being arranged in pairs is less than, equal to two millimeters, between certain cold slag roller 10 away from
From can be regulation according to the material of rolling, the length of cold slag roller 10 is identical with the length of cloth slag chute 9, or is longer than paniculata
Cooling system is set in the length of groove, cold slag roller 10, and cooling system is rapidly cooled down to the liquid slag for flowing down, is molded,
The solid-state slag after cooling is rolled between the cold slag roller 10 being arranged in pairs, is molded slag, blocking, slag is by chilling pressure
Fallen into after type in cold slag ladle 1, preferably the center of slag inlet and in pairs the center between cold slag roller 10 point-blank, so
Design, the slag for flowing down carries out roll forming between being directly entered cold slag roller 10.
Several grooves are set on the surface of cold slag roller 10, the liquid slag after rapidly cooling down is in the recessed of cold slag cylinder surface
Shaping in groove, the slag of shaping is convenient to be collected and management, while avoid producing unnecessary lime-ash, using such structure design,
Can be integrally formed the cooling of furnace slag in the utility model and rolling.
Jack is respectively provided with the cold slag roller 10 being oppositely arranged in the utility model, a jack forms water inlet 11,
Another jack forms apopore 12, and cold slag roller 10 is cooled down by flowing through the coolant (such as water) of jack, makes liquid
Slag can be cooled down between cold slag roller 10, and cold slag roller 10 is respectively arranged below one or several compressed air hoses
13, wherein every one end of compressed air hose 13 is through the lower section that cold slag roller 10 is fixed on after cold slag ladle 1 or delivery pipe one,
The other end of compressed air hose 13 is connected with blowing plant, and compressed air hose 13 is blown by blowing plant,
Ensure the surface cure of slagging tap of the lower section of cold slag roller 10, at the same cold slag cylinder surface can also be cooled down, rolling barrel table
The residue in face.Preferred compressed air hose 13 is set along the tangential direction of the lower section of cold slag roller 10.Wherein several compressed air hoses 13,
The inlet opening 11 of cold slag roller and apopore 12, coolant form cooling system.The lower section of compressed air hose 13 sets slag hitting device
14, slag hitting device 14 beats the surface of cold slag roller, it is ensured that slag tap blocking by cold slag cylinder surface groove, it is to avoid bar oven long occur
Slag influence is slagged tap.How to be installed as slag hitting device, it is possible to use prior art.
In the utility model, scarfing cinder plate 15 is there also is provided in the outside of cold slag roller, the tangential direction that press against cold slag roller,
The effect of scarfing cinder plate 15 is the slag for clearing up cold slag cylinder surface, while the outside of cold slag roller can also set deep bead 16,
Top at Leng Zha centre of the drum position set hot-air in slag curtain 17, cold slag ladle after heat exchange by scarfing cinder plate 15 again with slag
Curtain 17 is circulated through delivery pipe one after exchanging heat into dust arrester, after the cooling of furnace slag in cold slag ladle to expected temperature, from
The ash-valve discharge of cold slag ladle bottom, this setting of cold slag ladle servant quarters conveyer belt 18, the slag of discharge can fall directly into conveyer belt
On transported, save time and manpower.
When tap cinder is caused into cloth slag chute, after entering in cold slag ladle through the shaping of cold slag roller chilling, hot blast is from cold slag ladle 1
Top enters waste heat boiler 2 after drawing by delivery pipe 1, and waste heat boiler 2 goes out one's intention as revealed in what one says and sends into cold slag ladle lower section by circulating fan
In cooling chamber.One seat height stove can install a set of the utility model device in the corresponding site of each slag notch, after heat smoke collects
Into a set of waste heat boiler, so it is capable of achieving cinder notch and slags tap in turn, cold slag ladle continuous coo1ing, waste heat boiler continuously generates steam.
Use the utility model technical process of such scheme for：
(1) 1450~1550 DEG C of high-temperature liquid furnace slag is distributed on two cold slag rollers by cloth slag chute, in the rolling of cold slag
The internal water flowing cooling of cylinder, while the compressed air hose jet that cold slag roller lower section tangential direction is set, it is ensured that liquid slag is cold
Slag roller lower exit port is cooled to below 1200~1300 DEG C of freezing point, and is molded by cold slag cylinder surface groove；
(2) the solid-state slag after just cold is fallen into cold slag ladle, and circulating fan is opened and blown, slag in cold slag ladle with
The air of circulating fan feeding carries out heat exchange, and air is heated to about 500 DEG C, and slag is cooled to less than 150 DEG C；
(3) air after being heated ascends into delivery pipe one, and waste heat boiler is sent into after the primary dedusting of removing dust device, remaining
Water in heat boiler absorbs the heat of hot-air, produces the steam of medium temperature and medium pressure and pressures below grade, air to be cooled to 150
Below DEG C, in order to avoid wasting the energy, waste heat boiler can be connected with steam engine, and steam can be used into steam turbine；
(4) air below 150 DEG C of waste heat boiler is sent into cold slag ladle by circulating fan, with high temperature furnace slag in cold slag ladle
Carry out heat exchange；
One seat height stove can install a set of the utility model device in the corresponding site of each slag notch, and heat smoke collects laggard
Enter a set of waste heat boiler, be so capable of achieving cinder notch and slag tap in turn, cold slag ladle continuous coo1ing, waste heat boiler continuously generates steam.
The utility model realizes effective recovery of high-temperature liquid furnace slag sensible heat, complex energy organic efficiency reach 75% with
On, the energy resource consumption of reduction steel production, reduction cooling of furnace slag water, the aqueous equal loss of grain slag outward transport, and thus bring
Environmental pollution.
Claims (7)
1. a kind of dry type blast-furnace cement sensible heat recovery system, it is characterised in that：Including cold slag ladle, waste heat boiler, delivery pipe one, waste heat
There is coolant, coolant is used for heat exchange in boiler, wherein the two ends port of delivery pipe one respectively to mounted in cold slag ladle and
On the charging aperture of waste heat boiler；
The bottom of waste heat boiler and cold slag ladle has been respectively communicated with delivery pipe two, and power set, power set are installed in delivery pipe two
The air in delivery pipe two is driven to be flowed；Slag inlet, slag inlet are set on conveyance conduit one above cold slag ladle charging aperture
Connection slag trough, liquid slag flows out from slag trough, is entered in cold slag groove by slag inlet；
Cold slag roller is set in space below cold slag ladle charging aperture top, slag inlet, cold slag roller is paired to be oppositely arranged, cold
Slag roller can be relative rotation, and cooling system is set in cold slag roller, cooling system cools down cold slag roller, cold slag roller pair
The liquid slag for flowing down is cooled down, and the slag after cooling is rolled between the cold slag roller being arranged in pairs, and slag is fallen after die mould
Enter in cold slag ladle.
2. dry type blast-furnace cement sensible heat recovery system according to claim 1, it is characterised in that：Slag inlet is contacted with slag trough
Place, the outside setting cloth slag plate in slag inlet.
3. dry type blast-furnace cement sensible heat recovery system according to claim 1, it is characterised in that：Set on the surface of cold slag roller
Several grooves are put, liquid slag is molded in the groove of cold slag cylinder surface.
4. dry type blast-furnace cement sensible heat recovery system according to claim 1, it is characterised in that：The cold slag being wherein oppositely arranged
Jack is respectively provided with roller, a jack forms water inlet, and another jack forms apopore, and cold slag roller is slotting by flowing through
The coolant in hole is cooled down, liquid slag is cooled down between cold slag roller, and cold slag roller is respectively arranged below one
Or several compressed air hoses, wherein every one end of compressed air hose is fixed on cold slag rolling after passing through cold slag ladle or delivery pipe one
The lower section of cylinder, the other end connection blowing plant of compressed air hose, after blowing plant compressed air, the sky for being compressed
Gas is blown by compressed air hose, it is ensured that the surface cure of slagging tap below cold slag roller；Water inlet, delivery port, coolant
With compressed air cast into cooling system.
5. a kind of dry type blast-furnace cement sensible heat recovery system according to claim 1, it is characterised in that：Cold slag ladle and waste heat pot
The lower section of delivery pipe one between stove is installed by unloading valve, the corresponding position of unloading valve, the installation dust arrester in delivery pipe one.
6. a kind of dry type blast-furnace cement sensible heat recovery system according to claim 1, it is characterised in that：The bottom of cold slag ladle sets
Discharge port is equipped with, unloading valve is installed on discharge port, the lower section of unloading valve sets conveyer belt.
7. a kind of dry type blast-furnace cement sensible heat recovery system according to claim 1, it is characterised in that：Compressed air hose lower section
Slag hitting device is set, and slag hitting device beats cold slag roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621257426.6U CN206219613U (en) | 2016-11-22 | 2016-11-22 | A kind of dry type blast-furnace cement sensible heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621257426.6U CN206219613U (en) | 2016-11-22 | 2016-11-22 | A kind of dry type blast-furnace cement sensible heat recovery system |
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| Publication Number | Publication Date |
|---|---|
| CN206219613U true CN206219613U (en) | 2017-06-06 |
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ID=58791066
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621257426.6U Active CN206219613U (en) | 2016-11-22 | 2016-11-22 | A kind of dry type blast-furnace cement sensible heat recovery system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827005A (en) * | 2018-05-17 | 2018-11-16 | 东北大学 | A kind of sinter waste heat recycles perpendicular tank and boiler integrated apparatus |
| CN108917411A (en) * | 2018-04-17 | 2018-11-30 | 安徽华铂再生资源科技有限公司 | A kind of method of lead skim recycling and UTILIZATION OF VESIDUAL HEAT IN in lead smelting process |
| CN110195133A (en) * | 2019-07-12 | 2019-09-03 | 河北科技大学 | A kind of converter slag treatment system and processing method |
| CN113136225A (en) * | 2020-01-17 | 2021-07-20 | 北京航天石化技术装备工程有限公司 | Device and method for cooling garbage pyrolysis high-temperature furnace slag through low-temperature heat conduction oil |
| CN114001552A (en) * | 2021-11-01 | 2022-02-01 | 甘肃金麓银峰冶金科技有限公司 | Multipurpose furnace top inserting rod mechanism and method for ferronickel smelting submerged arc furnace |
| CN114292970A (en) * | 2021-12-09 | 2022-04-08 | 上海发电设备成套设计研究院有限责任公司 | Device system and method for recycling waste heat of smelting furnace slag |
| WO2023184962A1 (en) * | 2022-04-02 | 2023-10-05 | 南京工业大学 | Drum quick-cooling dry treatment device for blast furnace slag for use in waste heat recovery |
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2016
- 2016-11-22 CN CN201621257426.6U patent/CN206219613U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917411A (en) * | 2018-04-17 | 2018-11-30 | 安徽华铂再生资源科技有限公司 | A kind of method of lead skim recycling and UTILIZATION OF VESIDUAL HEAT IN in lead smelting process |
| CN108827005A (en) * | 2018-05-17 | 2018-11-16 | 东北大学 | A kind of sinter waste heat recycles perpendicular tank and boiler integrated apparatus |
| CN108827005B (en) * | 2018-05-17 | 2020-04-17 | 东北大学 | Vertical tank and boiler integrated device for recovering waste heat of sinter |
| CN110195133A (en) * | 2019-07-12 | 2019-09-03 | 河北科技大学 | A kind of converter slag treatment system and processing method |
| CN113136225A (en) * | 2020-01-17 | 2021-07-20 | 北京航天石化技术装备工程有限公司 | Device and method for cooling garbage pyrolysis high-temperature furnace slag through low-temperature heat conduction oil |
| CN114001552A (en) * | 2021-11-01 | 2022-02-01 | 甘肃金麓银峰冶金科技有限公司 | Multipurpose furnace top inserting rod mechanism and method for ferronickel smelting submerged arc furnace |
| CN114001552B (en) * | 2021-11-01 | 2023-12-19 | 甘肃金麓银峰冶金科技有限公司 | Multipurpose furnace top drill rod inserting mechanism and method for ferronickel smelting submerged arc furnace |
| CN114292970A (en) * | 2021-12-09 | 2022-04-08 | 上海发电设备成套设计研究院有限责任公司 | Device system and method for recycling waste heat of smelting furnace slag |
| WO2023184962A1 (en) * | 2022-04-02 | 2023-10-05 | 南京工业大学 | Drum quick-cooling dry treatment device for blast furnace slag for use in waste heat recovery |
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