CN201974348U - Dynamic iron ore reducibility tester - Google Patents
Dynamic iron ore reducibility tester Download PDFInfo
- Publication number
- CN201974348U CN201974348U CN2010206823495U CN201020682349U CN201974348U CN 201974348 U CN201974348 U CN 201974348U CN 2010206823495 U CN2010206823495 U CN 2010206823495U CN 201020682349 U CN201020682349 U CN 201020682349U CN 201974348 U CN201974348 U CN 201974348U
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- heater
- movable plate
- charging aperture
- end socket
- iron ore
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Abstract
The utility model discloses a dynamic iron ore reducibility tester, which comprises a bracket, a furnace body in the bracket, a reducing pipe in the furnace body, and a controller. The furnace body consists of a left furnace body and a right furnace body; the left furnace body and the right furnace body can be movably fixed on the bracket; an end enclosure of an inlet orifice can be rotatably fixed on a movable board of the inlet orifice; an end enclosure of a discharge hole can be rotatably fixed on a movable board of the discharge hole; a movable board screw is connected with the movable board of the inlet orifice and the movable board of the discharge hole by threads; a movable board drive motor is connected with the movable board screw in a transmission way; a rotary motor of the furnace body is connected with the end enclosure of the inlet orifice or the end enclosure of the discharge hole in a transmission way; a lifting ring is rotatably fixed on the reducing pipe; a winding car is movably fixed on the top part of the bracket; the winding car and the lifting ring are connected by a rope; and the bracket is also provided with two reducing pipe support plates. The dynamic iron ore reducibility tester is more approaching to an actual steel-producing state, and obtains more accurate reducibility measured value. Moreover, the dynamic iron ore reducibility tester has reasonable structure and is convenient to use.
Description
Technical field
The utility model relates to a kind of test unit of reducibility of iron ore, and the test unit of a kind of dynamic reducibility of iron ore of more specifically saying so belongs to the test apparatus technical field.
Background technology
The complexity that the oxygen that reducibility of iron ore is represented to combine with iron in the iron ore (sintering deposit and pellet) is captured by gaseous reducing agent.It is a kind of important metallurgical performance of iron ore.Usually adopt the iron ore sample of certain particle size and quality, as iron ore pellet, be heated to uniform temperature, under the mixed gas of carbon monoxide, nitrogen etc., reduce, content according to full iron and iron protoxide in the loss of weight of iron ore sample mass or the reduction back sample calculates the removal efficiency of oxygen or removes speed, as the reductibility index of iron ore.The steel plant that have many countries in the world now check reducibility of iron ore as one of conventional Interventions Requested, to predict and to instruct the smelting operation of blast furnace, improve the production of sintering deposit and pellet.
State Intellectual Property Office's on September 30th, 2009 disclosed " a kind of test unit of measuring reducibility of iron ore " (publication number: CN101545842), a kind of test unit of measuring reducibility of iron ore of this patent documentation introduction, it comprises body of heater, reduction tube, weighing device and control device, be provided with furnace chamber in the body of heater, reduction tube is in the furnace chamber of reduction furnace, and reduction tube is suspended on below the weighing device; Reduction tube is provided with reducing gas inlet and reducing gas outlet, is provided with thermopair in the reduction tube; It also comprises gas outlet, and the reducing gas exit is provided with gas skirt, and gas outlet is connected with gas skirt, is provided with lighter in the gas skirt, and gas outlet is provided with blower fan, and lighter is connected with the control device signal.As improvement, it also comprises elevating mechanism, and the elevating lever of described elevating mechanism comprises carriage release lever and fixed bar, and carriage release lever and crane are fixed, and crane and weighing device are fixed; Gas skirt or removable be connected rotatable with body of heater.The test unit of above-mentioned reducibility of iron ore, the CO composition in the gas of reduction back is handled by combustion system, eliminates safe hidden trouble.But its iron ore pellet is in static state, has bigger gap with actual state, therefore, awaits further improvement because at the trial.
The utility model content
At above-mentioned situation, the problem that the utility model quasi-solution is determined provides a kind of test unit of dynamic reducibility of iron ore, makes its state with actual steel-making comparatively approaching, to obtain reductibility measured value more accurately.
For achieving the above object, the utility model has adopted following technical scheme: a kind of test unit of dynamic reducibility of iron ore, it comprises the body of heater in support, the support, the reduction tube in the body of heater, and controller, described inboard wall of furnace body is provided with heating tube, and described body of heater is made up of left body of heater and right body of heater, and described left body of heater, right body of heater movable fixed are on support, also be provided with the body of heater drive unit on the described support, described body of heater drive unit is in transmission connection with left body of heater and right body of heater respectively; Two ends of described reduction tube are provided with the charging aperture end socket, the discharging opening end socket, be respectively equipped with air intake opening and gas outlet on described charging aperture end socket and the discharging opening end socket, described charging aperture end socket is rotatable to be fixed on the charging aperture movable plate, described discharging opening end socket is rotatable to be fixed on the discharging opening movable plate, described charging aperture movable plate is provided with feeding mouth, be provided with two with the upper shifting board screw mandrel between described charging aperture movable plate and the discharging opening movable plate, described movable plate screw mandrel and charging aperture movable plate, the discharging opening movable plate is threaded, also be provided with the movable plate drive motor on the described support, described movable plate drive motor and movable plate screw mandrel are in transmission connection; Fixing body of heater rotary electric machine on described charging aperture movable plate or the discharging opening movable plate, described body of heater rotary electric machine and charging aperture end socket or discharging opening end socket are in transmission connection; On the described reduction tube, near the rotatable fixing circle that promotes in charging aperture end socket position, the top movable fixed elevator car of described support, described elevator car are connected by rope between enclosing with promoting; Described support also is provided with two reduction tube back up pads, and described two reduction tube back up pads are at reduction tube two end positions; Described controller is electrically connected with body of heater drive unit, movable plate drive motor, body of heater rotary electric machine, elevator car respectively.
The body of heater that described body of heater drive unit comprises the body of heater drive motor, be in transmission connection with the body of heater drive motor drives screw mandrel, and described body of heater drives screw mandrel and is threaded with left body of heater, right bottom of furnace body respectively.
Described elevator car comprises the elevator motor, the elevator dish that is connected with the elevator drive of motor.The bottom of described elevator car preferably is provided with pulley.
Movable plate screw mandrel between described charging aperture movable plate and the discharging opening movable plate is four, and four movable plate screw mandrels are two upper shifting board screw mandrels and two lower shifting board screw mandrels, and described elevator car is arranged on two upper shifting board screw mandrels.The heating tube of described inboard wall of furnace body is a carborunbum tube.Described charging aperture end socket, discharging opening end socket are towards having the groove that matches with reduction tube end shape, size with the reduction tube direction, and the side face of described groove has gradient, and is more convenient when end socket and reduction tube end are compressed.
Adopt such scheme, because body of heater is divided into movably disome, and the body of heater drive unit is in transmission connection with body of heater two parts respectively, motion by the body of heater drive motor can be when charging or discharging like this, with body of heater two parts separately, when the reduction tube rotary work, body of heater two parts are merged.Two ends of reduction tube are provided with end socket, and on the rotatable fixedly movable plate of mouthful end socket, and the movable plate screw mandrel is threaded with two movable plates, can make the end socket disengaging reduction tube of two ends of reduction tube like this by the movable plate drive motor.The body of heater rotary electric machine also can drive reduction tube by end socket and rotate.Because promoting between the circle, the elevator car connects by rope, and movable fixed, can reduce the elevator car and promote rope lengths between the circle by the rotation of elevator car at a top of the trellis, move to lifting circle top with promoting circle simultaneously, the feed inlet end of reduction tube is promoted.
Above-mentioned everything all is to finish by controller control, concrete job step is: under body of heater two part separated position, the rotation of elevator car, make the feeding mouth position of reduction tube feed end correspondence at the charging aperture movable plate, a certain amount of ore pellets sample is put into reduction tube, continue to start the elevator car, the feed end that makes reduction tube is on the reduction tube back up pad, and the elevator car quits work.Start the movable plate drive motor, make movable plate move to two ends that two end sockets are close to reduction tube, the movable plate drive motor quits work, heating tube is heated to design temperature, the work of body of heater rotary electric machine drives reduction tube and rotates, and the feeding reducing gas carries out reduction reaction.After the reduction reaction, start the body of heater drive unit, make body of heater two parts separately, the work of movable plate drive motor makes movable plate move to two ends that two end sockets leave reduction tube, starts the elevator car, the feed inlet end of reduction tube is promoted, sample after the reduction flows out to the container that presets from the charging aperture of reduction tube, by taking by weighing the weight of reduction reaction front and back sample, can obtain the index of reducibility of iron ore.
In sum, the test unit of dynamic reducibility of iron ore of the present utility model has carried out reduction reaction under current intelligence, overcome the deficiencies in the prior art, makes its state with actual steel-making comparatively approaching, has obtained reductibility measured value more accurately.Simultaneously, also have characteristics rational in infrastructure, easy to use.
Description of drawings
Fig. 1 is the structural representation of the test unit of reducibility of iron ore of the present utility model;
Fig. 2 is the structural representation of body of heater drive unit;
Fig. 3 is the synoptic diagram of test unit two end sockets of reducibility of iron ore when leaving reduction tube two ends;
Fig. 4 is the structural representation of elevator car;
Structural representation when Fig. 5 is the test unit discharging of reducibility of iron ore;
Fig. 6 is the structural representation that the reduction tube end cooperates with end socket.
Among the figure, 1-support, 2-body of heater, 2-1-left side body of heater, the right body of heater of 2-2-, 2-3-body of heater drive motor, the 2-4-body of heater drives screw mandrel, 2-5-heating tube, 3-reduction tube, 3-1-charging aperture end socket, 3-2-discharging opening end socket, 3-3-air intake opening, the 3-4-gas outlet, 4-1-charging aperture movable plate, 4-2-discharging opening movable plate, 4-3-movable plate screw mandrel, 4-4-movable plate drive motor, 4-5-feeding mouth, 5-body of heater rotary electric machine, 6-1-promotes circle, 6-2-elevator car, the 6-3-rope, 6-4-elevator motor, 6-5-elevator dish, the 6-6-pulley, 7-reduction tube back up pad, 8-controller, 9-groove.
Embodiment
As Fig. 1, Fig. 3, shown in Figure 5, the test unit of dynamic reducibility of iron ore of the present utility model comprises the body of heater 2 in support 1, the support 1, the reduction tube 3 in the body of heater 2, and controller 8, described body of heater 2 inwalls are provided with heating tube 2-5, the preferably commercially available carborunbum tube of described heating tube 2-5.
Referring to Fig. 3, described body of heater 2 is made up of left body of heater 2-1 and right body of heater 2-2, described left body of heater 2-1, right body of heater 2-2 movable fixed are on support 1, and the mode of its movable fixed can be provided with track on support 1, then left body of heater 2-1, right body of heater 2-2 are installed on the track.Also be provided with the body of heater drive unit on the described support 1, described body of heater drive unit is in transmission connection with left body of heater 2-1 and right body of heater 2-2 respectively.As an embodiment, the body of heater that described body of heater drive unit comprises body of heater drive motor 2-3, be in transmission connection with body of heater drive motor 2-3 drives screw mandrel 2-4, and described body of heater drives screw mandrel 2-4 and is connected with left body of heater 2-1, right body of heater 2-2 bottom thread respectively.Like this, under body of heater drive motor 2-3 drives, can realize that left body of heater 2-1 and right body of heater 2-2 leave or close up.
Two ends of described reduction tube 3 are provided with charging aperture end socket 3-1, discharging opening end socket 3-2, be respectively equipped with air intake opening 3-3 and gas outlet 3-4 on described charging aperture end socket 3-1 and the discharging opening end socket 3-2, here it should be noted that to set out on gas port 3-4, the discharging opening end socket 3-2 on can charging aperture end socket 3-1 air intake opening 3-3 is set, also can set out gas port 3-4 being provided with on the charging aperture end socket 3-1 on air intake opening 3-3, the discharging opening end socket 3-2.
Described charging aperture end socket 3-1 is rotatable to be fixed on the charging aperture movable plate 4-1, described discharging opening end socket 3-2 is rotatable to be fixed on the discharging opening movable plate 4-2, described charging aperture movable plate 4-1 is provided with feeding mouth 4-5, and described feeding mouth 4-5 is above charging aperture end socket 3-1.
Be provided with two with upper shifting board screw mandrel 4-3 between described charging aperture movable plate 4-1 and the discharging opening movable plate 4-2, the quantity of movable plate screw mandrel 4-3 is generally four, described movable plate screw mandrel 4-3 is threaded with charging aperture movable plate 4-1, discharging opening movable plate 4-2, described movable plate screw mandrel 4-3 is opposite at the screw thread of charging aperture movable plate 4-1, discharging opening movable plate 4-2 junction, like this, by rotating movable plate screw mandrel 4-3, material mouthful movable plate 4-1 and discharging opening movable plate 4-2 are moved horizontally round about.Also be provided with movable plate drive motor 4-4 on the described support 1, described movable plate drive motor 4-4 and movable plate screw mandrel 4-3 are in transmission connection, and described drive motor 4-4 is in transmission connection with movable plate screw mandrel 4-3 and generally can be connected by driving-chain.
Described charging aperture movable plate 4-1 or discharging opening movable plate 4-2 go up fixedly body of heater rotary electric machine 5, and described body of heater rotary electric machine 5 is in transmission connection with charging aperture end socket 3-1 or discharging opening end socket 3-2.That is to say that body of heater rotary electric machine 5 can be fixed on the charging aperture movable plate 4-1, and be in transmission connection with charging aperture end socket 3-1; Also can be fixed on discharging opening movable plate 4-2 and go up (as showing among Fig. 1,3,5), and be in transmission connection with discharging opening end socket 3-2.Described support 1 also is provided with two reduction tube back up pads 7, and described two reduction tube back up pads 7 are at reduction tube 3 two end positions.
On the described reduction tube 3, near the rotatable fixing circle 6-1 that promotes in charging aperture end socket 3-1 position, the top movable fixed elevator car 6-2 of described support 1, described elevator car 6-2 comprises elevator motor 6-4, with the elevator dish 6-5 that elevator motor 6-4 is in transmission connection, the bottom of described elevator car 6-2 preferably is provided with pulley 6-6(referring to Fig. 4).Described elevator car 6-2 encloses between the 6-1 with lifting and is connected by rope 6-3.Described elevator car 6-2 movable fixed has two kinds of modes at the top of support 1, and the one, the top of support 1 is provided with track, and elevator car 6-2 movable fixed is on track; The 2nd, the movable plate screw mandrel 4-3 between described charging aperture movable plate 4-1 and the discharging opening movable plate 4-2 is four, comprises two upper shifting board screw mandrels and two lower shifting board screw mandrels, and described elevator car 6-2 is arranged on two upper shifting board screw mandrels.
Described controller 8 is electrically connected with body of heater drive unit, movable plate drive motor 4-4, body of heater rotary electric machine 5, elevator car respectively.
Referring to Fig. 6, improvement as the test unit of dynamic reducibility of iron ore of the present utility model, described charging aperture end socket 3-1, discharging opening end socket 3-2 are towards having the groove 9 that matches with reduction tube 3 end shapes, size with reduction tube 3 directions, and the side face of described groove 9 has gradient.
Claims (7)
1. the test unit of a dynamic reducibility of iron ore, it comprises support (1), body of heater (2) in the support (1), reduction tube (3) in the body of heater (2), and controller (8), described body of heater (2) inwall is provided with heating tube (2-5), it is characterized in that described body of heater (2) is made up of left body of heater (2-1) and right body of heater (2-2), described left body of heater (2-1), right body of heater (2-2) movable fixed is on support (1), described support also is provided with the body of heater drive unit on (1), and described body of heater drive unit is in transmission connection with left body of heater (2-1) and right body of heater (2-2) respectively; Two ends of described reduction tube (3) are provided with charging aperture end socket (3-1), discharging opening end socket (3-2), be respectively equipped with air intake opening (3-3) and gas outlet (3-4) on described charging aperture end socket (3-1) and the discharging opening end socket (3-2), described charging aperture end socket (3-1) is rotatable to be fixed on the charging aperture movable plate (4-1), described discharging opening end socket (3-2) is rotatable to be fixed on the discharging opening movable plate (4-2), described charging aperture movable plate (4-1) is provided with feeding mouth (4-5), be provided with two with upper shifting board screw mandrel (4-3) between described charging aperture movable plate (4-1) and the discharging opening movable plate (4-2), described movable plate screw mandrel (4-3) and charging aperture movable plate (4-1), discharging opening movable plate (4-2) is threaded, also be provided with movable plate drive motor (4-4) on the described support (1), described movable plate drive motor (4-4) is in transmission connection with movable plate screw mandrel (4-3); Described charging aperture movable plate (4-1) or discharging opening movable plate (4-2) are gone up fixedly body of heater rotary electric machine (5), and described body of heater rotary electric machine (5) is in transmission connection with charging aperture end socket (3-1) or discharging opening end socket (3-2); Described reduction tube (3) is gone up, is promoted circle (6-1) near rotatable the fixing in charging aperture end socket (3-1) position, the top movable fixed elevator car (6-2) of described support (1), described elevator car (6-2) enclose between (6-1) with lifting and are connected by rope (6-3); Described support (1) also is provided with two reduction tube back up pads (7), and described two reduction tube back up pads (7) are at reduction tube (3) two end positions; Described controller (8) is electrically connected with body of heater drive unit, movable plate drive motor (4-4), body of heater rotary electric machine (5), elevator car respectively.
2. the test unit of dynamic reducibility of iron ore according to claim 1, it is characterized in that described body of heater drive unit comprises body of heater drive motor (2-3), the body of heater that is in transmission connection with body of heater drive motor (2-3) drives screw mandrel (2-4), described body of heater drives screw mandrel (2-4) and is connected with left body of heater (2-1), right body of heater (2-2) bottom thread respectively.
3. the test unit of dynamic reducibility of iron ore according to claim 1 and 2 is characterized in that described elevator car (6-2) comprises elevator motor (6-4), the elevator dish (6-5) that is in transmission connection with elevator motor (6-4).
4. the test unit of dynamic reducibility of iron ore according to claim 3 is characterized in that the bottom of described elevator car (6-2) is provided with pulley (6-6).
5. the test unit of dynamic reducibility of iron ore according to claim 1 and 2, it is characterized in that the movable plate screw mandrel (4-3) between described charging aperture movable plate (4-1) and the discharging opening movable plate (4-2) is four, four movable plate screw mandrels (4-3) are two upper shifting board screw mandrels and two lower shifting board screw mandrels, and described elevator car (6-2) is arranged on two upper shifting board screw mandrels.
6. the test unit of dynamic reducibility of iron ore according to claim 1 and 2 is characterized in that the heating tube (2-5) of described body of heater (2) inwall is a carborunbum tube.
7. the test unit of dynamic reducibility of iron ore according to claim 1 and 2, it is characterized in that described charging aperture end socket (3-1), discharging opening end socket (3-2) towards having the groove (9) that matches with reduction tube (3) end shape, size with reduction tube (3) direction, the side face of described groove (9) has gradient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206823495U CN201974348U (en) | 2010-12-28 | 2010-12-28 | Dynamic iron ore reducibility tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206823495U CN201974348U (en) | 2010-12-28 | 2010-12-28 | Dynamic iron ore reducibility tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201974348U true CN201974348U (en) | 2011-09-14 |
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ID=44579449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206823495U Expired - Lifetime CN201974348U (en) | 2010-12-28 | 2010-12-28 | Dynamic iron ore reducibility tester |
Country Status (1)
| Country | Link |
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| CN (1) | CN201974348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128762A (en) * | 2010-12-28 | 2011-07-20 | 上虞市宏兴机械仪器制造有限公司 | Test device for reducibility of dynamic iron ores |
-
2010
- 2010-12-28 CN CN2010206823495U patent/CN201974348U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128762A (en) * | 2010-12-28 | 2011-07-20 | 上虞市宏兴机械仪器制造有限公司 | Test device for reducibility of dynamic iron ores |
| CN102128762B (en) * | 2010-12-28 | 2012-07-18 | 上虞市宏兴机械仪器制造有限公司 | Test device for reducibility of dynamic iron ores |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110914 Effective date of abandoning: 20120718 |