CN214250575U

CN214250575U - Ore roasting furnace

Info

Publication number: CN214250575U
Application number: CN202022945533.0U
Authority: CN
Inventors: 赵苏红
Original assignee: Individual
Current assignee: Hubei Zhongxiang Machinery Equipment Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-09-21
Anticipated expiration: 2030-12-10

Abstract

The utility model relates to an ore processing technology field, concretely relates to ore bakes burning furnace over a slow fire, including roasting burning furnace, being located the heating piece of roasting furnace lateral wall. The utility model overcomes prior art's is not enough, through being provided with pay-off sieving mechanism, the lateral wall sets up first filter screen under pay-off sieving mechanism's spiral feeder, the little granule collecting box of first discharge gate external fixed connection at the solid fixed cylinder downside, the second discharge gate is seted up to the lateral wall under spiral feeder, set up the third discharge gate that corresponds with first feed inlet in solid fixed cylinder one end, detach the tiny particle ore, it is inhomogeneous to avoid the calcination, through being provided with screening drying device, set up a plurality of passageways on the brace table of screening drying device's feed hopper lower extreme, second filter screen one end in the box is located fourth discharge gate top, set up the guide plate that corresponds with discharge hopper at second filter screen lower extreme, detach the large granule ore, utilize the steam that the calcination produced to dry the ore simultaneously.

Description

Ore roasting furnace

Technical Field

The utility model relates to an ore processing technology field, concretely relates to ore bakes burning furnace over a slow fire.

Background

Calcination is the process of completing some chemical reaction below the melting temperature of the material, and is a component of the charge stock preparation. Most of the material exists in solid state all the time, so the roasting temperature is the upper limit to ensure that the material is not obviously melted. Obviously, the calcination reaction is mainly a solid-gas reaction, and sometimes has both solid-solid, solid-liquid, and gas-liquid interactions or actions. Roasting is mostly prepared for main smelting operations such as smelting or leaching in the next step, so that a charging preparation process is often adopted in a smelting process, but the roasting can also be used as an enrichment, impurity removal, metal powder preparation or refining process.

Present ore is because the ore granule is not of uniform size when the calcination, and it is inhomogeneous to lead to the calcination, influences the quality of calcination back ore, and simultaneously, current ore need carry out the washing before the calcination, clears away the silt on ore surface, roasts moist ore, increases operating time.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an ore bakes burning furnace over a slow fire has overcome prior art not enough, the effectual inhomogeneous problem of calcination that leads to because the ore granule is not of uniform size of having solved.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

an ore roasting furnace comprises a roasting furnace, a heating block positioned in the side wall of the roasting furnace, an air outlet positioned at the upper end of the roasting furnace, an air inlet pipe positioned on the side surface of the roasting furnace and a fifth discharge port positioned at the lower end of the roasting furnace, wherein a first feed port is formed in the side surface of the roasting furnace, a feeding and screening device is arranged outside the first feed port, a screening and drying device is arranged at the upper end of the feeding and screening device, the screening and drying device is fixedly connected with the air outlet, and a baffle is arranged in the fifth discharge port;

pay-off sieving mechanism includes solid fixed cylinder, be located the motor of solid fixed cylinder outer end and with solid fixed cylinder lateral wall fixed connection's spiral feeder, spiral feeder and motor output fixed connection, gu fixed cylinder one end with bake burning furnace lateral wall fixed connection, be provided with the inlet pipe with solid fixed cylinder intercommunication on the spiral feeder, the lateral wall is provided with first filter screen under the spiral feeder, first discharge gate has been seted up to gu fixed cylinder downside, gu fixed cylinder downside fixedly connected with corresponds with first discharge gate tiny particle collecting box, the second discharge gate has been seted up to the lateral wall under the spiral feeder, gu fixed cylinder one end is seted up the third discharge gate that corresponds with first feed inlet.

As a preferred technical scheme of the utility model, screening drying device includes the box, is located the fourth discharge gate of box lateral wall and is located the ejection of compact funnel of box lower extreme, the box upper end is provided with feed hopper, the feed hopper lower extreme is provided with a supporting bench, a supporting bench and box lateral wall fixed connection, a plurality of passageways have been seted up on the supporting bench, the slope is provided with the second filter screen in the box, second filter screen one end is located fourth discharge gate top, second filter screen lower extreme is provided with the guide plate that corresponds with ejection of compact funnel, box lateral wall fixedly connected with corresponds with the fourth discharge gate large granule collecting box.

As a preferred technical scheme of the utility model, box upper end fixedly connected with outlet duct, outlet duct and gas outlet fixed connection.

As a preferred technical scheme of the utility model, the inside V type guide plate that corresponds with third discharge gate and first discharge gate that is provided with of solid fixed cylinder.

As a preferred technical scheme of the utility model, ejection of compact funnel lateral wall fixedly connected with gas collection box, be provided with the air exhauster in the gas collection box.

(III) advantageous effects

The embodiment of the utility model provides an ore bakes burning furnace over a slow fire, possesses following beneficial effect:

1. through being provided with pay-off sieving mechanism, set up the inlet pipe that communicates with solid fixed cylinder on pay-off sieving mechanism's spiral feeder, the lateral wall sets up first filter screen under the spiral feeder, at the little granule collecting box of the outer fixed connection of the first discharge gate of solid fixed cylinder downside, the second discharge gate is seted up to the lateral wall under the spiral feeder, set up the third discharge gate that corresponds with first feed inlet in solid fixed cylinder one end, detach the tiny particle ore, avoid the calcination inhomogeneous.

2. Through being provided with screening drying device, set up feed hopper in screening drying device's box upper end, set up a plurality of passageways on the brace table of feed hopper lower extreme, second filter screen one end that the slope set up in the box is located fourth discharge gate top, set up the guide plate that corresponds with discharge hopper at second filter screen lower extreme, at the large granule collecting box that box lateral wall fixed connection and fourth discharge gate correspond, detach the large granule ore, utilize the steam that the calcination produced to dry the ore simultaneously.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the feeding and screening device of the present invention;

fig. 3 is the front sectional structure diagram of the screening and drying device of the present invention.

In the figure: 1. roasting furnace; 2. a feeding and screening device; 3. a screening and drying device; 4. a heating block; 5. an air inlet pipe; 6. a first feed port; 7. a baffle plate; 201. a motor; 202. a fixed cylinder; 203. a screw feeder; 204. a feed pipe; 205. a first filter screen; 206. a first discharge port; 207. a small particle collection box; 208. a second discharge port; 209. a third discharge port; 210. a V-shaped guide plate; 301. a box body; 302. an air outlet pipe; 303. a feed hopper; 304. a support table; 305. a channel; 306. a second filter screen; 307. a fourth discharge port; 308. a baffle; 309. a discharging hopper; 310. a large particle collection box; 311. a gas collection box; 312. an exhaust fan.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention:

as shown in fig. 1-3: an ore roasting furnace comprises a roasting furnace 1, a heating block 4 positioned in the side wall of the roasting furnace 1, an air outlet positioned at the upper end of the roasting furnace 1, an air inlet pipe 5 positioned on the side surface of the roasting furnace 1 and a fifth discharge outlet positioned at the lower end of the roasting furnace 1, wherein a first feed inlet 6 is formed in the side surface of the roasting furnace 1, a feeding and screening device 2 is arranged outside the first feed inlet 6, a screening and drying device 3 is arranged at the upper end of the feeding and screening device 2, the screening and drying device 3 is fixedly connected with the air outlet, and a baffle 7 is arranged in the fifth discharge outlet;

the feeding and screening device 2 comprises a fixed cylinder 202, a motor 201 located at the outer end of the fixed cylinder 202 and a spiral feeder 203 fixedly connected with the side wall of the fixed cylinder 202, the spiral feeder 203 is fixedly connected with the output end of the motor 201, one end of the fixed cylinder 202 is fixedly connected with the side wall of a roasting furnace 1, a feeding pipe 204 communicated with the fixed cylinder 202 is arranged on the spiral feeder 203, a first filter screen 205 is arranged on the lower side wall of the spiral feeder 203, a first discharging port 206 is arranged on the lower side surface of the fixed cylinder 202, a small particle collecting box 207 corresponding to the first discharging port 206 is fixedly connected with the lower side surface of the fixed cylinder 202, a second discharging port 208 is arranged on the lower side wall of the spiral feeder 203, and a third discharging port 209 corresponding to the first feeding port 6 is arranged at one end of the fixed cylinder 202.

Wherein, screening drying device 3 includes box 301, be located the fourth discharge gate 307 of box 301 lateral wall and be located the ejection of compact funnel 309 of box 301 lower extreme, box 301 upper end is provided with feed hopper 303, feed hopper 303 lower extreme is provided with supporting bench 304, supporting bench 304 and box 301 lateral wall fixed connection, a plurality of passageways 305 have been seted up on the supporting bench 304, the slope is provided with second filter screen 306 in box 301, second filter screen 306 one end is located fourth discharge gate 307 top, second filter screen 306 lower extreme is provided with the guide plate 308 that corresponds with ejection of compact funnel 309, box 301 lateral wall fixedly connected with and the large granule collecting box 310 that fourth discharge gate 307 corresponds, detach the large granule ore.

Wherein, the upper end fixedly connected with outlet duct 302 of box 301, outlet duct 302 and gas outlet fixed connection are with the leading-in box 301 of the steam that the calcination produced, dry the ore.

Wherein, the inside V type guide plate 210 that corresponds with third discharge gate 209 and first discharge gate 206 that is provided with of solid fixed cylinder 202, the roll-off of the ore of being convenient for.

Wherein, the lateral wall of the discharging funnel 309 is fixedly connected with a gas collecting box 311, and an exhaust fan 312 is arranged in the gas collecting box 311 to collect gas.

The utility model discloses a theory of operation: when the device works, the feeding and screening device 2 is arranged outside the first feeding hole 6, the cleaned ore is poured into the feeding funnel 303, the ore is uniformly scattered on the second filter screen 306 through the channel 305, the ore with larger particles slides into the large particle collecting box 310, other ores pass through a second filter screen 306, slide into a discharge funnel 309 through a guide plate 308 and enter the spiral feeder 203, when the ores are in the box body 301, hot gas in the roasting furnace 1 enters the box body 301 through an air outlet pipe 302, the ore is dried while the exhaust blower 312 is activated to collect the gases for subsequent processing, meanwhile, the motor 201 is started to drive the ore to move in the screw feeder 203, and simultaneously, smaller particles of ore pass through the first filter screen 205 and slide through the V-shaped deflector 210 into the small particle collection bin 207, while normal size ore is conveyed to the second discharge port 208 and slide through the V-shaped deflector 210 into the roaster 1 for roasting.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An ore roasting furnace comprises a roasting furnace (1), a heating block (4) positioned in the side wall of the roasting furnace (1), an air outlet positioned at the upper end of the roasting furnace (1), an air inlet pipe (5) positioned on the side surface of the roasting furnace (1) and a fifth discharge outlet positioned at the lower end of the roasting furnace (1), and is characterized in that a first feed inlet (6) is formed in the side surface of the roasting furnace (1), a feeding and screening device (2) is arranged on the outer side of the first feed inlet (6), a screening and drying device (3) is arranged at the upper end of the feeding and screening device (2), the screening and drying device (3) is fixedly connected with the air outlet, and a baffle (7) is arranged in the fifth discharge outlet;

the feeding and screening device (2) comprises a fixed cylinder (202), a motor (201) positioned at the outer end of the fixed cylinder (202) and a spiral feeder (203) fixedly connected with the side wall of the fixed cylinder (202), the spiral feeder (203) is fixedly connected with the output end of the motor (201), one end of the fixed cylinder (202) is fixedly connected with the side wall of the roasting furnace (1), a feed pipe (204) communicated with the fixed cylinder (202) is arranged on the screw feeder (203), a first filter screen (205) is arranged on the lower side wall of the spiral feeder (203), a first discharge hole (206) is formed in the lower side surface of the fixed cylinder (202), a small particle collecting box (207) corresponding to the first discharge hole (206) is fixedly connected to the lower side surface of the fixed cylinder (202), a second discharge hole (208) is arranged on the lower side wall of the spiral feeder (203), and one end of the fixed cylinder (202) is provided with a third discharge hole (209) corresponding to the first feed port (6).

2. An ore roasting furnace according to claim 1, characterized in that the screen dryer (3) comprises a box (301), a fourth outlet (307) at the side wall of the box (301), and an outlet funnel (309) at the lower end of the box (301), a feeding funnel (303) is arranged at the upper end of the box body (301), a support table (304) is arranged at the lower end of the feeding funnel (303), the supporting platform (304) is fixedly connected with the side wall of the box body (301), a plurality of channels (305) are arranged on the supporting platform (304), a second filter screen (306) is obliquely arranged in the box body (301), one end of the second filter screen (306) is positioned above a fourth discharge hole (307), a guide plate (308) corresponding to the discharge funnel (309) is arranged at the lower end of the second filter screen (306), the side wall of the box body (301) is fixedly connected with a large particle collecting box (310) corresponding to a fourth discharge hole (307).

3. An ore roasting furnace according to claim 2, wherein an air outlet pipe (302) is fixedly connected to the upper end of the box body (301), and the air outlet pipe (302) is fixedly connected with an air outlet.

4. An ore roasting furnace according to claim 1, characterized in that the stationary drum (202) is internally provided with V-shaped baffles (210) corresponding to the third discharge port (209) and the first discharge port (206).

5. A ore roasting furnace according to claim 2, characterized in that a gas collection box (311) is fixedly connected to the side wall of the discharge funnel (309), and an exhaust fan (312) is arranged in the gas collection box (311).