CN214276482U - Static roasting equipment for molybdenum-nickel ore two-stage roasting test - Google Patents

Abstract

The utility model provides a molybdenum-nickel ore deposit two-stage process static roasting equipment for roasting test, including the muffle furnace, furnace has been seted up at the top of muffle furnace, and furnace's inside through connection has the tray, and the spout has been seted up to the low side of tray, and the top fixedly connected with controller of muffle furnace, the surface mounting of controller has the display, and the voltmeter is installed to one side of display, and the bottom of display is equipped with shift knob, and the placing chamber has been seted up to the bottom of muffle furnace, and the equal fixed mounting in placing chamber inner wall both sides has elevating system, and slide mechanism has been placed to the placing chamber inside. The utility model provides a molybdenum-nickel ore deposit two-stage process roasting is experimental with static calcination equipment, through the controller that is equipped with, can carry out detection at any time to the inside temperature of muffle furnace to can control the heating temperature of muffle furnace inside, the elevating system who is equipped with will need the metal of calcination to send into to furnace or take out from the muffle furnace bottom through the mode that goes up and down, takes from the placing chamber through cooperation sliding mechanism.

Description

Static roasting equipment for molybdenum-nickel ore two-stage roasting test

Technical Field

The utility model relates to a calcination device technical field specifically is a static roasting equipment is used in molybdenum-nickel ore two-stage process roasting test.

Background

The nickel-molybdenum ore is black shale distributed in the Huangjiawan mine area, and belongs to the super-large scale of ore deposits. In the beginning of the last 80 th century, medium-sized nickel-aluminum ores are found in Zunyi New Tugou and large gold institute, in recent years, high-content thick and large ore layers are found in Nayong areas and Kaili areas, the prospect is very considerable, the rich resource foundation can be judged, the basis of resource guarantee is provided for development, selection and metallurgy research of the nickel-aluminum ores unique in China and abroad and industrial development, the basis of resource guarantee is provided, the granulation test is carried out by adopting a plurality of binders, the static roasting test is carried out on the granulated ores, the process conditions and parameters of the granulation and roasting test are provided, and a certain foundation is laid for large-scale industrial production tests. Aiming at the component characteristics of the molybdenum nickel ore of Nayong Guizhou, a process scheme of two-stage roasting is provided: one-stage oxygen-deficient roasting for dearsenification, and two-stage oxidation roasting for desulfurization and flue gas acid preparation. The 'two-stage roasting' process is applied to research and production of various domestic ores, such as laterite-nickel ore, gold concentrate containing arsenic and sulfur, stone coal vanadium ore and the like, while the content of arsenic and sulfur in the Nanyong molybdenum nickel ore in Guizhou is high, the purpose of comprehensive smelting can be achieved by considering arsenic and sulfur removal in advance, however, the existing roasting device has the following defects:

(1) when the conventional roasting device is used for roasting, metal is put into a roasting furnace for heating, temperature cannot be adjusted for continuous heating, and the desulfurization and dearsenification rates of nickel-molybdenum ores at different temperatures cannot be accurately analyzed, so that the roasting treatment of the nickel-molybdenum ores cannot be sent to an optimal treatment process;

(2) traditional roasting equipment is put into the roasting furnace with the metal inside and is heated, after the heating is accomplished, because under the metal high temperature state, can't take out fast, needs certain cooling time, this just makes and can't carry out the researchs to the metal under the high temperature state.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a molybdenum-nickel ore deposit two-stage process roasting test is with static roasting equipment to solve the current roasting device that above-mentioned background art provided and when carrying out the calcination, can't carry out the adjustment of temperature, traditional roasting equipment is put into the metal and is heated inside the roasting furnace, after the heating is accomplished, because under the metal high temperature state, can't carry out the problem of taking out fast.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a molybdenum-nickel ore deposit two-stage section static roasting equipment for roasting test, includes the muffle furnace, furnace has been seted up at the top of muffle furnace, furnace's inside through connection has the tray, the spout has been seted up to the low side of tray, the internally mounted of tray has special type elema, square crucible has been placed on the surface of special type elema, furnace's surface is equipped with the furnace gate through hinge joint, the top fixedly connected with controller of muffle furnace, the surface mounting of controller has the display, the voltmeter is installed to one side of display, the bottom of display is equipped with shift knob, one side of shift knob is equipped with adjustment button, the placing chamber has been seted up to the bottom of muffle furnace, the equal fixed mounting in placing chamber inner wall both sides has elevating system, the inside slide mechanism of placing chamber has been placed.

In order to make the material of taking after the calcination of being convenient for, as the utility model relates to an optimal scheme: elevating system includes fixed mounting at the step motor of placing indoor wall, step motor's output fixedly connected with driving gear, driving gear one side meshing is connected with driven gear, driven gear's top fixedly connected with lead screw, the surperficial threaded connection of lead screw has the lifter, the one end fixedly connected with slider of lifter, slider sliding connection is inside the spout.

In order to make the supplementary material of taking, conduct the utility model relates to an optimal scheme: the sliding mechanism comprises a supporting rod placed inside the placing chamber, the top end of the supporting rod is fixedly connected with two sliding rails, the middle parts of the sliding rails are disconnected, and the disconnected parts are matched with the sliding blocks.

In order to make furnace have the ability of bearing high temperature, as the utility model relates to an optimal scheme: the hearth is made of alumina polycrystalline fibers through vacuum adsorption.

In order to operate the equipment, the utility model is a preferable proposal: the stepping motor is electrically connected with the adjusting button, the switch button and the adjusting button are electrically connected with the controller, and the controller is electrically connected with an external power supply.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the temperature in the muffle furnace can be detected at any time through the controller, and the heating temperature in the muffle furnace can be controlled, so that the heating temperature is kept in a range continuously, and the analysis and research on the desulfurization and dearsenification rate of the nickel-molybdenum ore metal under the roasting at different temperatures are facilitated;

(2) the metal to be roasted is conveyed into the hearth from the bottom of the muffle furnace in a lifting mode through the arranged lifting mechanism, so that the tray for containing the metal is taken out of the hearth through the lifting mechanism after roasting is finished, and the problem that the traditional roasting furnace is inconvenient to take out is solved;

(3) through seting up in the spout of tray bottom and with elevating system fixed connection's slider, the slider of in-process bottom descends when the tray is rabbeted with the slide rail of muffle bottom, makes the spout outwards and takes out in the slide rail slides through the pulling tray, convenient operation.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic structural view of the lifting mechanism of the present invention;

fig. 3 is a schematic structural view of the tray of the present invention;

fig. 4 is a schematic structural view of the sliding mechanism of the present invention.

In the figure: 1. a muffle furnace; 2. a hearth; 3. a tray; 31. a chute; 4. a special silicon carbide rod; 5. a square crucible; 6. a furnace door; 7. a controller; 71. a display; 72. a voltmeter; 8. a lifting mechanism; 81. a stepping motor; 82. a driving gear; 83. a driven gear; 84. a screw rod; 85. a lifting rod; 86. a slider; 9. a sliding mechanism; 91. a support bar; 92. a slide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a two-stage roasting test of molybdenum-nickel ore deposit uses static calcination equipment, including muffle furnace 1, furnace 2 has been seted up at muffle furnace 1's top, furnace 2's inside through connection has tray 3, spout 31 has been seted up to tray 3's low side, tray 3's internally mounted has special type elema 4, square crucible 5 has been placed on special type elema 4's surface, furnace 2's surface is equipped with furnace gate 6 through hinge joint, muffle furnace 1's top fixedly connected with controller 7, the surface mounting of controller 7 has display 71, voltmeter 72 is installed to one side of display 71, display 71's bottom is equipped with shift knob, one side of shift knob is equipped with adjustment button, the placing chamber has been seted up to muffle furnace 1's bottom, the equal fixed mounting in placing chamber inner wall both sides has elevating system 8, sliding mechanism 9 has been placed to placing chamber inside.

When in specific use: the material is placed in a square crucible 5 to ensure that the thickness of the material is substantially uniform. By controlling the roasting temperature, the static roasting is respectively carried out at 450 ℃, 550 ℃, 650 ℃, 750 ℃, 850 ℃ and 950 ℃ in the experiment, the roasting temperature is 550 ℃, the decarburization rate is more than 98%, and the roasting temperature suitable for decarburization is higher than 550 ℃. At the temperature, the desulfurization rate can be ensured to be over 86 percent; molybdenum sulfide can form molybdenum oxide after oxidation roasting, molybdenum trioxide begins to sublimate at 650 ℃, molybdenum trioxide violently sublimates at 695 ℃, molybdenum trioxide begins to melt at 795 ℃, and nickel sulfide has a melting point of only 797 ℃. Therefore, when the firing temperature is higher than 750 ℃, the material starts to sinter.

In this embodiment: elevating system 8 includes fixed mounting at the step motor 81 of placing indoor wall, step motor 81's output fixedly connected with driving gear 82, and driving gear 82 one side meshing is connected with driven gear 83, driven gear 83's top fixedly connected with lead screw 84, and the surface threaded connection of lead screw 84 has lifter 85, lifter 85's one end fixedly connected with slider 86, and slider 86 sliding connection is inside spout 31.

When in specific use: after roasting is finished, the stepping motor 81 rotates to drive the driving gear 82 to rotate the driving gear 82 to drive the driven gear 83 and the screw 84 at the top of the driven gear to rotate, so that the lifting rod 85 in threaded connection with the driving gear carries out lifting motion, the sliding block 86 fixedly connected with one end of the lifting rod 85 is connected with the sliding groove 31 formed in the bottom of the tray 3, the effect of supporting the tray 3 is achieved, and the tray 3 is controlled to lift along with the lifting.

In this embodiment: the sliding mechanism 9 comprises a support rod 91 arranged in the placing chamber, the top end of the support rod 91 is fixedly connected with two sliding rails 92, the middle parts of the sliding rails 92 are disconnected, and the disconnected parts are matched with the sliding blocks 86.

When in specific use: when the tray 3 needs to be taken out, the lifting rod 85 descends to enable the sliding block 86 to be matched with the middle part of the sliding rail 92, and at the moment, the tray 3 is pulled to enable the sliding groove 31 at the bottom of the tray 3 to slide on the surface of the sliding rail 92 to be taken out.

In this embodiment: the hearth 2 is made of alumina polycrystalline fiber through vacuum adsorption.

When in specific use: the hearth 2 made of the alumina polycrystalline fiber through vacuum adsorption has better energy-saving property and higher shock-heat resistance.

In this embodiment: the stepping motor 81 is electrically connected with the adjusting button, the switch button and the adjusting button are electrically connected with the controller 7, and the controller 7 is electrically connected with an external power supply.

When in specific use: when the controller 7 is connected with an external power supply, the device is powered on and works through control, and when the controller is disconnected with the external power supply, the device stops working.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents may be made without departing from the spirit and scope of the invention.

Claims (5)

1. The utility model provides a molybdenum nickel ore two-stage roasting test is with static calcination equipment, includes muffle furnace (1), its characterized in that: the furnace hearth (2) is arranged at the top of the muffle furnace (1), the tray (3) is connected to the inside of the furnace hearth (2) in a penetrating manner, the sliding groove (31) is formed in the low end of the tray (3), the special silicon carbide rod (4) is arranged inside the tray (3), the square crucible (5) is placed on the surface of the special silicon carbide rod (4), the furnace door (6) is hinged to the surface of the furnace hearth (2) through a hinge, the controller (7) is fixedly connected to the top end of the muffle furnace (1), the display (71) is arranged on the surface of the controller (7), the voltmeter (72) is installed on one side of the display (71), the switch button is arranged at the bottom of the display (71), the adjusting button is arranged on one side of the switch button, the placing chamber is formed in the bottom of the muffle furnace (1), and the lifting mechanisms (8) are fixedly installed on two sides of the inner wall of the placing chamber, a sliding mechanism (9) is arranged in the placing chamber.

2. The static roasting equipment for the molybdenum-nickel ore secondary roasting test according to claim 1, characterized in that: elevating system (8) are including fixed mounting at step motor (81) of placing indoor wall, the output fixedly connected with driving gear (82) of step motor (81), driving gear (82) one side meshing is connected with driven gear (83), top fixedly connected with lead screw (84) of driven gear (83), the surperficial threaded connection of lead screw (84) has lifter (85), the one end fixedly connected with slider (86) of lifter (85), slider (86) sliding connection is inside spout (31).

3. The static roasting equipment for the molybdenum-nickel ore secondary roasting test according to claim 1, characterized in that: the sliding mechanism (9) comprises a supporting rod (91) placed inside the placing chamber, the top end of the supporting rod (91) is fixedly connected with two sliding rails (92), the middle parts of the sliding rails (92) are disconnected, and the disconnected parts are matched with the sliding blocks (86).

4. The static roasting equipment for the molybdenum-nickel ore secondary roasting test according to claim 1, characterized in that: the hearth (2) is made of alumina polycrystalline fibers through vacuum adsorption.

5. The static roasting equipment for the molybdenum-nickel ore secondary roasting test according to claim 2, characterized in that: step motor (81) and adjustment button electric connection, shift knob and the equal controller (7) electric connection of adjustment button, controller (7) and external power electric connection.

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