CN201778033U - Abrasive preparation device - Google Patents
Abrasive preparation device Download PDFInfo
- Publication number
- CN201778033U CN201778033U CN2010205213425U CN201020521342U CN201778033U CN 201778033 U CN201778033 U CN 201778033U CN 2010205213425 U CN2010205213425 U CN 2010205213425U CN 201020521342 U CN201020521342 U CN 201020521342U CN 201778033 U CN201778033 U CN 201778033U
- Authority
- CN
- China
- Prior art keywords
- water
- air
- slag
- flow
- tundish
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
- C21B2400/022—Methods of cooling or quenching molten slag
- C21B2400/024—Methods of cooling or quenching molten slag with the direct use of steam or liquid coolants, e.g. water
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
- C21B2400/022—Methods of cooling or quenching molten slag
- C21B2400/026—Methods of cooling or quenching molten slag using air, inert gases or removable conductive bodies
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/062—Jet nozzles or pressurised fluids for cooling, fragmenting or atomising slag
-
- 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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Landscapes
- Nozzles (AREA)
Abstract
The utility model discloses an abrasive preparation device, in particular to a device for treatment of waste steel slag or high-temperature liquid steel slag. The device comprises a support (6), a tundish (1), a ladle tumbler (2), a guide chute (3) and an atomizing system (4), wherein the atomizing system comprises an angle positioning disc (16) and an air flow jet mechanism; the tundish is arranged on the ladle tumbler and the ladle tumbler is arranged at the upper part of the support; the guide chute is arranged on the dumping side of the tundish at the upper part of the support; and the atomizing system is arranged on the side wall of the support at a position corresponding to a liquid flowing-out side in the guide chute. The device is characterized in that the atomizing system additionally comprises a water flow jet mechanism which is arranged at the lower part of the air flow jet mechanism; and the guide chute is provided with a plurality of runners and the surfaces of the runners are coated with anti-sticking refractory coating. The utility model has the advantages that the device can be used for the high-efficient and high-quality treatment of the waste steel slag, the grain size of steel slag balls is ensured to be even and the steel slag balls can be used in multiple fields.
Description
Technical field
The utility model relates to industrial waste comprehensive utilization technique field, is specifically related to a kind of device that is applicable to that discarded slag or high-temperature liquid state slag are handled.
Background technology
China is first in the world product steel state, and Chinese crude steel output reached more than 500,000,000 ton in 2008.According to AUTHORITATIVE DATA, China's slag comprehensive utilization rate at present only reaches about 10%, require the comprehensive utilization ratio of metallurgical slag in 2010 will reach more than 86% according to national Eleventh Five-Year Plan, therefore accelerating to improve the Multipurpose Utilization of Steel Slag rate is urgent task of iron and steel enterprise.Not only can reduce steel-making cost to Multipurpose Utilization of Steel Slag; bring direct economic benefit, and protected environment, have very big social benefit; the needs that meet national economy sustainable development also are the basic places of developing a circular economy, build resource-conserving enterprise.
Be further to promote the comprehensive utilization ratio of metallurgical slag, the exploratory development of the technology of handling about discarded slag or high-temperature liquid state slag is also being carried out always.
As on December 21st, 1988 the disclosed patent No. be in 88211276 the Chinese patent, a kind of steel slag wind-crushing granulating device that is made of tundish, spraying gun and pond is provided, wherein the end of tundish, connect the chute of constant slope, being convenient to slag flows out, spraying gun is by nozzle ejection air-flow granulation slag, and slag falls into the pond; And spraying gun can change the winding-up angle by the angle orientation dish.
On 09 10th, 2008 disclosed number of patent applications are in 200810020597.0 the Chinese patent for another example; disclosed a kind of high-temperature liquid state steel slag wind-crushing water-cooling granulating device; also be implement slag from chute that tundish links to each other flow out; pelletizer is by nozzle ejection high-speed air flow granulation slag afterwards, and slag falls into the mode of action in pond.
But above-mentioned two kinds of devices all exist the high-temperature liquid state slag to meet the problem of water blast, and can not thoroughly eliminate the slag unstable phase, especially to contain unstable phase more for part macrobead slag, and slag ball homogeneity is bad, and is of low quality, use influencedly, range of application is narrow.
Be in 02135756.0 the Chinese patent for another 2003 04 month No. 30 disclosed application numbers; a kind of processing mode that replaces air-flow granulation slag by pelletizer ejection pressure water curtain is provided; make the slag shape comparison rule after the Water Quenching; can make raw materials for production and recycle, and can pave the way and wait the material use.Weak point is, stablizes owing to chilling can not make in the slag f-CaO and f-MgO clear up, and causes the bad hidden danger of later stage stability; And it is more crisp, loose porous to handle the back bead, and the crystal moulding is relatively poor; Explosion hazard in the broken slag process of water is difficult to avoid, and is especially cutting off the water and electricity supply suddenly or is taking place under the situation of other equipment failures.
Summary of the invention
In order to enlarge the range of application of slag ball, improve the quality of slag ball, thoroughly eliminate unstable phase, the utility model provides a kind of more production equipment of high quality slag ball that obtains, efficiently high quality is handled discarded slag, makes slag spherolite degree even, is applied to a plurality of fields.
For achieving the above object, the utility model adopts technical scheme as described below:
A kind of abrasive material preparation facilities of the present utility model comprises tundish, ladle tunbler, diversion trench, atomization system, support; Described atomization system comprises angle orientation dish, air-flow injection equipment; Described air-flow injection equipment is by air compressor, inlet pipe, and gas tank, air-flow spray the airflow nozzle that panel and air-flow spray on the panel and form; Described tundish is arranged on the ladle tunbler, and described ladle tunbler places support top; Described diversion trench places support top tundish to topple over side; Described atomization system places on the described rack side wall corresponding to diversion trench liquid outflow side; Wherein, described atomization system also comprises water flow jet mechanism, and described water flow jet mechanism places air-flow injection equipment bottom, and described water flow jet mechanism is by the water jet on the water tank, water tank, and water inlet pipe, the water source is formed; Described water jet is in one line at water tank one end, distributes side by side.
Be better implement the invention, described diversion trench is established a plurality of runners, and a plurality of runners arrange successively and are trapezoidal, and described water passage surface sprays antiseized refractory paint.
Further, described each runner is the recessed semi arch moulding in middle part.
Be better implement the invention, described tundish is provided with electrical induction heating and temperature controlling system.
Be better implement the invention, the airflow nozzle that described air-flow sprays on the panel is pan shape, and bottom nozzle is many rows, and two side nozzles are single.
When device described in the utility model was implemented, ladle tunbler will fill the tundish of high-temperature liquid state slag slowly toppled over, and slag flows on the diversion trench; Diversion trench is evenly shunted slag, makes slag fall into atomization system the place ahead; The high velocity air that is mingled with water smoke that atomization system produces will aloft fully be cut apart from the liquid steel slag that diversion trench flows down, hardening crack, oxidation, granulation; Cooling is solidified in the slag airflight, freely lands.
In sum; control of slag superheating temperature and the surperficial release coating that sprays of diversion trench by tundish; strengthened the flowability of liquid steel slag; and even shunting by diversion trench; avoid slag stream to fall with big section; effectively controlled slag stream, good mobility and homodisperse flow have constituted the evenly basis of granulation slag.Secondly present method is by significantly improving compressed air pressure, and the slag range reaches 30-40m, and has designed the gas-water mixture impact, the hardening crack slag, make that the chemical reaction and the cooling of slag are extremely abundant, slag ball histological structure is stable, has very strong weathering resistance and wear-resistant ability.Do not establish water quenching pool when implementing owing to this device in addition, appearance is cut off the power supply, cutting off the water supply all explosion hazard can not occur, and has saved great lot of water resources.
Description of drawings
Fig. 1 is the structural representation of the utility model device;
Fig. 2 is the atomization system structural representation;
Fig. 3 is an air injection panel overdraught nozzle distribution plan;
Fig. 4 is a water jet distribution plan on the water tank;
Fig. 5 is a diversion trench shape vertical view;
Fig. 6 is diversion trench outlet figure;
Among the figure:
The 1-tundish; The 2-ladle tunbler; The 3-diversion trench; The 4-atomization system; 5-slag stream; The 6-support; The 7-air compressor; The 8-inlet pipe; The 9-gas tank; The 10-air-flow sprays panel; The 11-airflow nozzle; The 12-water jet; The 13-water tank; The 14-water inlet pipe; The 15-water source; 16-angle orientation dish; The 17-runner.
Embodiment
Below in conjunction with accompanying drawing the utility model is explained further, be it should be noted that the utility model is not limited to following embodiment, open the purpose of this utility model is intended to protect all changes and improvements in the utility model scope; As long as the air-flow injection equipment is combined with water flow jet mechanism, the embodiment of both acting in conjunction granulation slags is all within protection domain of the present utility model.
Present embodiment specifies in conjunction with slag Processing of Preparation device.
In conjunction with Fig. 1, tundish 1 is arranged on the ladle tunbler 2, and described jar 2 machines that turn over place support 6 tops; Diversion trench 3 places support 6 top tundish 1 to topple over side; Atomization system 4 places described support 6 to flow out on the sidewall corresponding to diversion trench 3 liquid; Atomization system 4 comprises angle orientation dish 16, air-flow injection equipment and water flow jet mechanism, and described water flow jet mechanism places air-flow injection equipment bottom.
Wherein, described tundish 1 is used for splendid attire, heating liquid steel slag, is provided with electrical induction heating and temperature controlling system, and control slag superheating temperature is between 100-200 ℃; Tundish 1 outlet is provided with topples over stem bar, can effectively control the quantity of slag.
Described ladle tunbler 2 is used at the uniform velocity slowly controlling toppling over of tundish 1.
Described diversion trench 3 is established a plurality of runners, and in conjunction with Fig. 5, Fig. 6, a plurality of runners link to each other successively and are trapezoidal shape from connecing slag to the flow direction of slagging tap, because each runner 17 is the recessed semi arch moulding in middle part, diversion trench 3 outlets that are made of a plurality of runners are the wave moulding; The antiseized refractory paint of described diversion trench 3 surface sprayings.Described diversion trench 3 is used to cushion the slag stream that falls rapidly, and homodisperse slag stream, falls atomization system 4 the place aheads by each runner water conservancy diversion, guarantees that slag stream keeps basicly stable in the entire treatment process.
Described atomization system 4, the common high velocity air that is mingled with water smoke that produces of air-flow injection equipment and water flow jet mechanism, atomization system can be by angle orientation dish 16 control winding-up angles.
In conjunction with Fig. 2, described water flow jet mechanism is connected to form successively by water jet 12, water tank 13, water inlet pipe 14 and water source 15; Described air-flow injection equipment is by air compressor 7, inlet pipe 8, and gas tank 9, air-flow spray the airflow nozzle 11 that panel 10 and air-flow spray on the panel 10 and are connected to form successively.
In conjunction with Fig. 3, airflow nozzle 11 distributions that air-flow sprays on the panel 10 roughly are pan shape, are the winding-up effect under the reinforcement slag stream, and the bottom level nozzle is many rows, diameter 2-10mm; Two side nozzles are single, diameter 2-10mm, form gas field side wall, have limited slag stream 5 and have flown out to both sides.Described air-flow sprays the panel interchangeable, and different panels outgoing air-flow distributes different.
In conjunction with Fig. 4, the water jet 12 on the water tank 13 is in one line at water tank 13 1 ends, distributes nozzle diameter 0.5-2mm side by side.
Described atomization system 4, during gas tank 9 levels, the air-flow exit direction is from the horizontal by 30 ° of angles, and atomization system can make the air-flow exit direction be controlled at from the horizontal by between the 30 °-45 by angle orientation dish 16 control winding-up angles.Current adopt common hydraulic pressure, and adopting hydraulic pressure is 0.5-2 normal atmosphere.
During enforcement, start the heating unit of tundish 1, treat that the slag superheating temperature is between 100-200 ℃, control ladle tunbler 2 tundish 1 of slowly tumbling, the high-temperature liquid state slag flows into diversion trench 3, after diversion trench 3 bufferings are evenly shunted, freely fall into atomization system 4 the place aheads, slag falls to entering gas flowfield through diversion trench.When liquid steel slag fell continuously, the pressurized air that air compressor 7 produces was transported to gas tank 9 by inlet pipe 8, from the high-speed air flow of airflow nozzle 11 ejection pressure 1-3MPa; Meanwhile, tap water in the water tank 13 enters gas-bearing formation by water jet 12 side's ejection vertically upward, current become 60 ° of angles with air flow line, high velocity air carries water smoke with from the horizontal by 30 ° of angular direction operations, aloft meets with slag stream and impacts, and moment realizes that liquid steel slag disperses, hardening crack, and continue flight forward, physics and chemical reaction fully take place, cooling and coagulation forming.
With tiny, dispersion state separately or the free CaO, FeO and the MgO that are solid-solubilized in the liquid steel slag abundant chemical reaction takes place mutually, formed spinel structure, improved the stability of slag greatly.
This shows the characteristics of the utility model device and enforcement thereof:
(1), slag ball quality height, use wide.Owing to adopt the air water interaction in slag, the slag particle diameter is thin and even.The aerial long action time of slag, oxidizing reaction is abundant, and histological structure is stable, has the glassy profile of ball, has very strong weathering resistance and wear-resistant ability, and purposes is wide, can be used for abrasive material, material of construction, water treatment and sweetening agent etc.
(2), the device safe and reliable, easy and simple to handle, stopped the slag explosion hazard.Slag does not directly contact with water, and pressurized gas carries a small amount of water smoke and can not explode.Because this technology is not established the pond, outage appears, and cutting off the water supply all explosion hazard can not occur.On the other hand, tilting mechanisms such as ladle tunbler have adopted hydraulic efficiency plant, make tumbling continuously steadily of tundish.Because this appliance arrangement is simple, the operative employee only need control source of the gas, and two groups of buttons of hydraulic lifting are easy to grasp.
(3), throughput is big, cost is low, has saved great lot of water resources.Because mechanism is few, simple, therefore, the maintenance cost that is used for equipment is just very low.The ability that station is handled melt cinder the 2-25 ton/hour.
Claims (5)
1. an abrasive material preparation facilities comprises tundish (1), ladle tunbler (2), diversion trench (3), atomization system (4), support (6); Described atomization system (4) comprises angle orientation dish (16), air-flow injection equipment; Described air-flow injection equipment is by the air compressor (7) that links to each other successively, inlet pipe (8), and gas tank (9), air-flow spray the airflow nozzle (11) that panel (10) and air-flow spray on the panel (10) and form; Described tundish (1) is arranged on the ladle tunbler (2), and described jar (2) machine that turns over places support (6) top; Described diversion trench (3) places support (6) top tundish (1) to topple over side; Described atomization system (4) places on described support (6) sidewall corresponding to diversion trench (3) liquid outflow side; It is characterized in that: described atomization system (4) also comprises water flow jet mechanism, described water flow jet mechanism places air-flow injection equipment bottom, described water flow jet mechanism is by the water jet (12) on the water tank (13), the water tank of Xiang Lianing (13) successively, water inlet pipe (14), water source (15) is formed, and described water jet (12) is in one line at water tank (13) one ends, distributes side by side.
2. abrasive material preparation facilities according to claim 1 is characterized in that: described diversion trench (3) is established a plurality of runners (17), and described a plurality of runners arrange successively and are trapezoidal, the antiseized refractory paint of described runner (17) surface spraying.
3. abrasive material preparation facilities according to claim 2 is characterized in that: described each runner (17) is the recessed half-circle-arc shape in middle part.
4. abrasive material preparation facilities according to claim 1 is characterized in that: described tundish (1) is provided with electrical induction heating and temperature controlling system.
5. abrasive material preparation facilities according to claim 1 is characterized in that: the airflow nozzle (11) that described air-flow sprays on the panel (10) is pan shape, and the bottom airflow nozzle is many rows, and the both sides airflow nozzle is single.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205213425U CN201778033U (en) | 2010-09-08 | 2010-09-08 | Abrasive preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205213425U CN201778033U (en) | 2010-09-08 | 2010-09-08 | Abrasive preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201778033U true CN201778033U (en) | 2011-03-30 |
Family
ID=43791252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205213425U Expired - Fee Related CN201778033U (en) | 2010-09-08 | 2010-09-08 | Abrasive preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201778033U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102690907A (en) * | 2011-11-25 | 2012-09-26 | 河南科技大学 | Steel slag ball production equipment and granulating system thereof |
| CN102690913A (en) * | 2011-11-25 | 2012-09-26 | 河南科技大学 | Steel slag ball production equipment and water tank cooing system thereof as well as method for cooling steel slag ball |
| CN108940120A (en) * | 2018-07-26 | 2018-12-07 | 攀枝花攀钢集团设计研究院有限公司 | The method and process units of cooling the quenching granulation of pyrocarbon slugging |
| CN110643757A (en) * | 2018-06-26 | 2020-01-03 | 宝山钢铁股份有限公司 | Hot-state casting residue treatment system |
| KR20210000953U (en) * | 2019-10-24 | 2021-05-04 | 주식회사 서울엔지니어링 | Apron apparatus of electric furnace slag molten steel tapping device |
| KR102285678B1 (en) * | 2020-03-19 | 2021-08-04 | 주식회사 서울엔지니어링 | Apron apparatus of electric furnace slag molten steel tapping device |
| WO2021156789A1 (en) * | 2020-02-07 | 2021-08-12 | Tenova S.P.A. | Process and apparatus for the granulation of slag deriving from iron and steel production |
-
2010
- 2010-09-08 CN CN2010205213425U patent/CN201778033U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102690907A (en) * | 2011-11-25 | 2012-09-26 | 河南科技大学 | Steel slag ball production equipment and granulating system thereof |
| CN102690913A (en) * | 2011-11-25 | 2012-09-26 | 河南科技大学 | Steel slag ball production equipment and water tank cooing system thereof as well as method for cooling steel slag ball |
| CN102690907B (en) * | 2011-11-25 | 2014-07-02 | 河南科技大学 | Steel slag ball production equipment |
| CN110643757A (en) * | 2018-06-26 | 2020-01-03 | 宝山钢铁股份有限公司 | Hot-state casting residue treatment system |
| CN110643757B (en) * | 2018-06-26 | 2022-07-19 | 宝山钢铁股份有限公司 | Processing method of thermal state casting slag processing system |
| CN108940120A (en) * | 2018-07-26 | 2018-12-07 | 攀枝花攀钢集团设计研究院有限公司 | The method and process units of cooling the quenching granulation of pyrocarbon slugging |
| CN108940120B (en) * | 2018-07-26 | 2021-06-29 | 攀枝花攀钢集团设计研究院有限公司 | Method and production device for cooling, quenching and granulating high-temperature carbide slag |
| KR20210000953U (en) * | 2019-10-24 | 2021-05-04 | 주식회사 서울엔지니어링 | Apron apparatus of electric furnace slag molten steel tapping device |
| KR200494154Y1 (en) * | 2019-10-24 | 2021-08-13 | 주식회사 서울엔지니어링 | Apron apparatus of electric furnace slag molten steel tapping device |
| WO2021156789A1 (en) * | 2020-02-07 | 2021-08-12 | Tenova S.P.A. | Process and apparatus for the granulation of slag deriving from iron and steel production |
| KR102285678B1 (en) * | 2020-03-19 | 2021-08-04 | 주식회사 서울엔지니어링 | Apron apparatus of electric furnace slag molten steel tapping device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201778033U (en) | Abrasive preparation device | |
| CN102453781B (en) | High-temperature liquid-state steel slag granulating device and process | |
| CN102605115B (en) | Process method for producing steel shots by ladle-casting slag pelletization | |
| CN102690919B (en) | Flash smelting method of iron | |
| CN100370036C (en) | Slit type ladle bottom blowing powder injection process and apparatus | |
| CN102230036A (en) | Waste-heat pressure closed-loop thermal treatment method for molten steel slag | |
| CN102690907B (en) | Steel slag ball production equipment | |
| KR20160128987A (en) | Process and apparatus for dry granulation of slag with reduced formation of slag wool | |
| CN102409167B (en) | Sintered ore pulverization inhibitor and adding method thereof | |
| CN102851416A (en) | Heat recovery method for blast furnace slag | |
| CN103553340A (en) | Die casting process method and device for producing microcrystalline glass by using blast furnace slag | |
| CN109371200A (en) | A kind of smelting process making molten iron quick dephosphorization by converter bottom spray iron oxide red | |
| CN202931594U (en) | Arc furnace electrode cooling device | |
| CN104263877A (en) | Powder spraying and blowing combined spray gun for treating molten iron with medium and high phosphorus content in converter as well as application method | |
| CN104141027A (en) | Method for comprehensively utilizing air quenched slag of steel converter | |
| CN103601377A (en) | Temperature-controllable mold casting process method and equipment for producing cast stone through blast furnace slag | |
| KR20150084789A (en) | Apparatus and method for processing metallurgic slag | |
| CN107858461B (en) | Method for online granulating and collecting molten titanium carbide slag | |
| CN202482343U (en) | Device used for cooling direct reduction iron | |
| CN202380006U (en) | High-temperature molten steel slag granulating device | |
| CN202465742U (en) | Cavity type blast furnace ironmaking device | |
| CN103924023B (en) | A kind of iron-bath molten reduction molten bath method for blowing hydrogen | |
| CN104451195A (en) | Flash smelting method for nickel laterite ores | |
| JP2006170513A (en) | Air and water granulation method and device for molten slag, and air and water granulated particle and its collecting device | |
| CN201305603Y (en) | Combined granulating wheel used for metallurgical slag granulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YAN YANFU Free format text: FORMER OWNER: HENAN TECHNOLOGY UNIVERSITY Effective date: 20110927 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110927 Address after: 471039 Henan University of Science and Technology, 48 Xiyuan Road, Jianxi District, Henan, Luoyang Patentee after: Yan Yanfu Address before: 471039 No. 48, Xiyuan Road, Jianxi District, Henan, Luoyang Patentee before: Henan University of Science and Technology |
|
| ASS | Succession or assignment of patent right |
Owner name: HE NAN NAXIN ENVIRONMENTAL PROTECTION TECHNOLOGY C Free format text: FORMER OWNER: YAN YANFU Effective date: 20111123 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 471039 LUOYANG, HENAN PROVINCE TO: 450001 ZHENGZHOU, HENAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20111123 Address after: 450001, No. 1, No. 1, building 1-6, block 11, block Chun Road, hi tech, Henan, Zhengzhou, Patentee after: The new Henan Environmental Protection Technology Co. Ltd Address before: 471039 Henan University of Science and Technology, 48 Xiyuan Road, Jianxi District, Henan, Luoyang Patentee before: Yan Yanfu |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20120908 |