CN2371196Y - Equipment for desulfurating of molten iron by single blasting gasified granular magnesium - Google Patents
Equipment for desulfurating of molten iron by single blasting gasified granular magnesium Download PDFInfo
- Publication number
- CN2371196Y CN2371196Y CN 99223935 CN99223935U CN2371196Y CN 2371196 Y CN2371196 Y CN 2371196Y CN 99223935 CN99223935 CN 99223935 CN 99223935 U CN99223935 U CN 99223935U CN 2371196 Y CN2371196 Y CN 2371196Y
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- molten iron
- rotor
- dispensing mechanism
- blowingization
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- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The utility model relates to a device for desulfurating single-blowing gasified granular magnesium molten iron, which is used for the pretreatment of molten iron. The utility model is characterized in that fine granular magnesium reagent is sent into a melting body by carrier gas through a pipeline; an outlet end of a dispensing mechanism is provided with a rotor dispensing mechanism; the lower part of the rotor dispensing mechanism is provided with a stereo sifter; the bottom of the sifter is connected with a gas bag; both ends of a magnesium transmitting pipeline are respectively connected with the gas bag and a spray gun; the spray gun passes through a cover of a molten iron bag and is extended into the molten iron bag; a gas outlet is divided into two paths to connect with the gas bag and the dispensing mechanism. The utility model has the advantages of high magnesium absorption ratio, little reagent consumption, stable and reliable effect, time saving, minimal molten iron temperature drop in the molten iron bag, minimum loss, simple structure, high durability, safe production processes, no harmful matter generation, and low cost. In addition, the filling degree of the molten iron packet is more than 90 percents.
Description
The utility model relates to metallurgy, machinery, the single air blowingization granular magnesium desulfurization equipment of casting industry hot metal pretreatment, and this device can be sent into melt with carrier gas by pipeline with the fine particle azoviolet.
Present existing magnesium sweetener adopts the multiple blowing apparatus of binary, needs two metering feed hoppers, must not only blow the magnesium powder but also blow carbide of calcium or lime simultaneously, high material consumption, the desulphurization cost height, the molten iron loss is bigger, owing to do not have vaporizer in the spray gun, spray gun is easily stifled, and the life-span is short, consume high, molten iron temperature reduces big, and facility investment is big, and the winding-up time is long during desulfurization, complex structure, the consumable accessory life-span is shorter.
The purpose of this utility model provides single air blowingization granule magnesium molten iron desulfuring equipment that a kind of sweetening effectiveness is good, cost is low.
For achieving the above object, the technical solution of the utility model is: a kind of single air blowingization granule magnesium molten iron desulfuring equipment, it comprises dispensing mechanism (1), the refractory lance (2) that has the vaporizer passage, defeated magnesium pipeline (3), molten iron clad (4), exit end at dispensing mechanism (1) is provided with rotor dispensing mechanism (7), in the below of rotor material feeder (7) a three-dimensional sifter (8) has been installed, the sifter bottom connects gas bag (9), defeated magnesium pipeline (3) one ends link to each other with gas bag, the other end links to each other with spray gun (2), spray gun passes the molten iron clad and stretches in the hot metal ladle, the rare gas element outlet divides two pipelines, one the tunnel connects gas bag (9), and another road connects dispensing mechanism (1).
The utility model can azoviolet do not adopt calcic, compounds containing sodium and other additive situation under send into melt, according to above-mentioned needs, the structure that is adopted is compared the specific absorption height of magnesium with existing installation, the reagent consumption is little, effect stability is reliable, the molten iron treating processes time length is short, the molten iron filling level of hot metal ladle is more than 90%, hot metal temperature drop minimum in the bag, the molten iron loss is minimum, and equipment is simple, durable in use, whole process of production safety does not produce harmful, toxic waste, and equipment significantly reduces with the material amount.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the rotor checkerwork cell blade section synoptic diagram of rotor dispensing mechanism.
Fig. 3 is the front view of rotor dispensing mechanism.
Fig. 4 is the sifter floor map.
Fig. 5 is the sifter side-view.
Fig. 6 is rotor dispensing mechanism shell and rotor spindle fulcrum contact relation synoptic diagram.
Fig. 7 is dispensing mechanism and rotor dispensing mechanism junction structural representation.
Fig. 8 is inner azoviolet container that is provided with of dispensing mechanism and the relational structure synoptic diagram between the rotor.
Fig. 9 is spray gun interior passageway and package structural representation.
Figure 10 is a spray gun bottom end nose cone shape structural representation.
Below in conjunction with accompanying drawing embodiment of the present utility model is described further: a kind of single air blowingization granule magnesium molten iron desulfuring equipment, it comprises dispensing mechanism 1, the refractory lance 2 that has the vaporizer passage, defeated magnesium pipeline 3, molten iron clad 4, exit end at dispensing mechanism 1 is provided with rotor dispensing mechanism 7, a three-dimensional sifter 8 has been installed below rotor material feeder 7, the sifter bottom connects gas bag 9, defeated magnesium pipeline 3 one ends link to each other with gas bag, the other end links to each other with spray gun 2, spray gun passes the molten iron clad and stretches in the hot metal ladle, the rare gas element outlet divides two pipelines, one the tunnel connects gas bag 9, another road connects dispensing mechanism 1, rotor material feeder 7 has assembled the rotor transmission mechanism 15 of a motorized adjustment speed of rotation, its regulation range is 0-40 rev/min, rotor material feeder 7 is that multistage rotation checkerwork cell blade 6 is formed, all last with it the in vertical direction checkerwork cell of each checkerwork cell 5 staggers, gap width between rotor and the rotor case (S) is less than most azoviolet particulate diameters, between rotor case and rotor spindle 11 fulcrums freeboard 10 is arranged, the form of sifter 8 is four strings of a musical instrument straining with equidistant (a) on some planes parallel to each other, orthogonal and half step pitch (a/2) that staggers mutually of the string of a musical instrument of the string of a musical instrument of last two-stage and following two-stage, and the distance between any three the strings of a musical instrument the most contiguous of last two-stage and following two-stage all equates, dispensing mechanism 1 becomes the brachymemma cone-shaped with the position that rotor dispensing mechanism 7 is connected mutually, its inclination angle that forms line and the formation of cone small end bottom surface is equal to or greater than the angle of repose of azoviolet, the bearing dumper of a platform-like has been installed above metering feed 1 inside and rotor 7, it has avoided the pressure of whole stock column all to be added on the rotor, gap between platform periphery and the material feeder wall of container equals 15-20 times of most of azoviolet particle diameters, the inside of dispensing mechanism 1 is provided with an azoviolet container 12, all gapped between it and material feeder wall and the rotor dispensing mechanism 7, and assemble a self-excited type material device 13, the azoviolet container does not connect with the transmission mechanism of rotor rotation and is associated, spray gun passage 14 is installed among the package 19 of spray gun 2, channel exit is the cone 20 of widening, with so that the vaporization of the azoviolet that is blown into, between conduit wall and the shell wall air gap is arranged, the mode of connection of spray gun passage and package is dismountable, dismounting and the possibility of changing have been guaranteed, assembled an effuser on the molten iron clad 4, its nozzle 17 stretches into molten iron clad below, molten iron clad 4 also can be connected to an independent material feeder 18, is used for infeeding the material that contains calcium oxide or magnesian certain grade in hot metal ladle before handling molten iron.
During work, at first particle magnesium is injected in the azoviolet container, open gas switch, gas divides two-way, one the tunnel enters gas bag, another road enters dispensing mechanism, the blade checkerwork cell of adjustments of gas pressure as required, the particle magnesium rotor dispensing mechanism by reagent under gaseous tension and gravity enters sifter, plays control total flux and equally distributed effect, enter gas bag again, with the gas in another pipeline of gas particle magnesium is transported in the magnesium pipeline in gas bag, arrives then in the vaporizer of spray gun, particle magnesium gasifies in vaporizer, spray in the molten iron, reach best sweetening effectiveness.
Claims (10)
1, a kind of single air blowingization granule magnesium molten iron desulfuring equipment, it comprises dispensing mechanism (1), the refractory lance (2) that has the vaporizer passage, defeated magnesium pipeline (3), molten iron clad (4), it is characterized in that rotor dispensing mechanism (7) being set at the exit end of dispensing mechanism (1), in the below of rotor material feeder (7) a three-dimensional sifter (8) has been installed, the sifter bottom connects gas bag (9), defeated magnesium pipeline (3) one ends link to each other with gas bag, the other end links to each other with spray gun (2), spray gun passes the molten iron clad and stretches in the hot metal ladle, the rare gas element outlet divides two pipelines, one the tunnel connects gas bag (9), and another road connects dispensing mechanism (1).
2, a kind of single air blowingization granule magnesium molten iron desulfuring equipment according to claim 1 is characterized in that described rotor material feeder (7) is multistage rotation checkerwork cell blade composition, and all last with it the in vertical direction checkerwork cell of each checkerwork cell staggers.
3, a kind of single air blowingization granule magnesium molten iron desulfuring equipment according to claim 1 and 2 is characterized in that rotor in the described rotor material feeder (7) and the gap width between the rotor case (S) are less than most azoviolet particulate diameters.
4, a kind of single air blowingization granule magnesium molten iron desulfuring equipment according to claim 1, the four bar strings of a musical instrument of form that it is characterized in that described sifter (8) on some planes parallel to each other, straining with equidistant (a), orthogonal and half step pitch (a/2) that staggers mutually of the string of a musical instrument of the string of a musical instrument of last two-stage and following two-stage, and the distance that goes up between the two-stage and any three the strings of a musical instrument the most contiguous of following two-stage all equates.
5, a kind of single air blowingization granule magnesium molten iron desulfuring equipment according to claim 1 and 2 is characterized in that between the rotor case of described rotor material feeder (7) and the rotor spindle fulcrum freeboard being arranged.
6, a kind of single air blowingization granule magnesium molten iron desulfuring equipment according to claim 1, it is characterized in that the position that dispensing mechanism (1) and rotor dispensing mechanism (7) are connected mutually becomes the brachymemma cone-shaped, its inclination angle that forms line and the formation of cone small end bottom surface is equal to or greater than the angle of repose of azoviolet.
7, a kind of single air blowingization granule magnesium molten iron desulfuring equipment according to claim 1 and 2, the inside that it is characterized in that described dispensing mechanism (1) is provided with an azoviolet container, all gapped between it and material feeder wall and the rotor dispensing mechanism (7), and assemble a self-excited type material device, the azoviolet container does not connect with the transmission mechanism of rotor rotation and is associated.
8, a kind of single air blowingization granule magnesium molten iron desulfuring equipment according to claim 1 is characterized in that rotor material feeder (7) has assembled the rotor transmission mechanism (15) of a motorized adjustment speed of rotation.
9, a kind of single air blowingization granule magnesium molten iron desulfuring equipment according to claim 1, it is characterized in that among the package of described spray gun the spray gun passage being installed, channel exit is the cone of widening, and between conduit wall and the shell wall air gap is arranged, and the mode of connection of spray gun passage and package is dismountable.
10, a kind of single airs blowingization granule magnesium molten iron desulfuring equipment according to claim 1 is characterized in that described hot metal ladle covers to have assembled an effuser that its nozzle (17) stretches into below the molten iron clad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99223935 CN2371196Y (en) | 1999-05-27 | 1999-05-27 | Equipment for desulfurating of molten iron by single blasting gasified granular magnesium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99223935 CN2371196Y (en) | 1999-05-27 | 1999-05-27 | Equipment for desulfurating of molten iron by single blasting gasified granular magnesium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2371196Y true CN2371196Y (en) | 2000-03-29 |
Family
ID=34014076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99223935 Expired - Lifetime CN2371196Y (en) | 1999-05-27 | 1999-05-27 | Equipment for desulfurating of molten iron by single blasting gasified granular magnesium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2371196Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1293217C (en) * | 2004-07-07 | 2007-01-03 | 刘东业 | Magnesia mixture lance for hot metal desulfurization |
| CN102212638A (en) * | 2011-05-12 | 2011-10-12 | 刘东业 | Refining method of molten iron in ladle and devices required by same |
| CN104928440A (en) * | 2015-07-20 | 2015-09-23 | 上海信孚环保技术工程有限公司 | Hot metal desulphurization device capable of saving desulfurizing agents and application thereof |
| CN106986190A (en) * | 2017-05-16 | 2017-07-28 | 常州市科协减速机制造有限公司 | A kind of sealing airlock |
-
1999
- 1999-05-27 CN CN 99223935 patent/CN2371196Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1293217C (en) * | 2004-07-07 | 2007-01-03 | 刘东业 | Magnesia mixture lance for hot metal desulfurization |
| CN102212638A (en) * | 2011-05-12 | 2011-10-12 | 刘东业 | Refining method of molten iron in ladle and devices required by same |
| CN102212638B (en) * | 2011-05-12 | 2013-03-20 | 刘东业 | Refining method of molten iron in ladle and devices required by same |
| CN104928440A (en) * | 2015-07-20 | 2015-09-23 | 上海信孚环保技术工程有限公司 | Hot metal desulphurization device capable of saving desulfurizing agents and application thereof |
| CN106986190A (en) * | 2017-05-16 | 2017-07-28 | 常州市科协减速机制造有限公司 | A kind of sealing airlock |
| CN106986190B (en) * | 2017-05-16 | 2022-12-27 | 常州市科协减速机制造有限公司 | Sealing air seal machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |