CN112611219A

CN112611219A - Low-slag-rate metal smelting device

Info

Publication number: CN112611219A
Application number: CN202011523393.6A
Authority: CN
Inventors: 陈刚
Original assignee: Daye Xingjin Aluminium Industry Co ltd
Current assignee: Daye Xingjin Aluminium Industry Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-04-06

Abstract

The invention relates to the field of metal treatment, in particular to a low-melting-rate metal smelting device which comprises a rack, wherein one side of the rack is provided with a gas pipe, the other side of the rack is provided with an exhaust pipe, the exhaust pipe is connected with the gas pipe through a heat-assisting frame, one end of the gas pipe is provided with a suction fan, the middle part of the gas pipe is provided with a heater, the upper end of the rack is provided with a cover plate, a placing device is arranged in the rack and comprises a crucible, two ends of the upper part of the crucible are provided with rotating rods, the other side of the rotating rods is provided with a bearing seat fixed in the rack, the device is enabled to keep hot air circulation all the time when smelting is carried out through the arrangement of the gas pipe, the exhaust pipe, the heat-assisting frame, the suction fan, the heater, the placing device, a shaking device and a power device, the smelting speed and the separation, the energy recovery is facilitated, and the electric energy consumed by the heater is reduced.

Description

Low-slag-rate metal smelting device

Technical Field

The invention relates to the field of metal treatment, in particular to a metal smelting device with low slag rate.

Background

The metal smelting is a pyrometallurgical process of putting metal materials and other auxiliary materials into a heating furnace for melting and tempering, wherein the materials of furnace materials in the high-temperature (1300-1600K) furnace are subjected to certain physical and chemical changes to produce crude metal or metal concentrate and furnace slag, the heating furnace smelting can be divided into blast furnace smelting, reverberatory furnace smelting, electric furnace smelting and the like, wherein the reverberatory furnace smelting is common, the reverberatory furnace smelting takes powdery materials as raw materials, and smelting is carried out by combustion and heat supply of fuel, along with the rapid development of the fields of electronics, industry and the like in China, electronic waste materials, copper-containing waste materials, industrial waste residues and the like are continuously increased, how to efficiently and environmentally treat the waste materials is very important, at present, most smelting furnaces in the market can rapidly treat the waste materials, but the existing smelting is arranged to heat the materials in the smelting chamber after heating airflow enters the smelting chamber, the retention time is short, so that a large amount of waste heat is taken away after the heating airflow heats the materials, the energy consumption is high, the heat energy utilization rate is low, and the production cost is high.

Through retrieval, in the patent with the Chinese patent number of CN210441656U, a regenerated metal smelting device is disclosed, which comprises a shell and an end cover hinged with the shell, wherein the inner wall of the shell and the inner wall of the end cover form a cavity; an arched partition plate is fixedly arranged on the inner wall of the shell, a first through hole is vertically formed in the partition plate, and the cavity is divided into an upper melting cavity and a lower melting cavity by the partition plate from top to bottom; the top end of the shell is provided with a feed inlet and an exhaust outlet which are communicated with the upper melting cavity; the side wall of the shell is provided with an air inlet communicated with the upper melting cavity, and the outer bottom end of the shell is provided with a discharge hole communicated with the lower melting cavity; the top end of the end cover is provided with a motor, an output shaft at the bottom end of the motor is connected with a rotating shaft, the bottom end of the rotating shaft penetrates through the end cover and is arranged in the upper melting cavity, and a first dispersing paddle, a second dispersing paddle and a third dispersing paddle which are positioned in the upper melting cavity are fixedly arranged on the rotating shaft; all be equipped with the heating plate in first dispersion oar, second dispersion oar and the third dispersion oar, the utility model discloses can improve heating efficiency, energy saving and emission reduction, but the device is not letting in mobile air, near the thermal diffusion of heating plate, and heating efficiency is not high, makes the speed of smelting of this device slower.

Disclosure of Invention

The invention aims to provide a low-slag-rate metal smelting device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a low slag rate metal melting device, includes the frame, and the gas-supply pipe is installed to frame one side, and the frame opposite side installs the blast pipe, and through helping the hot frame connection between blast pipe and the gas-supply pipe, the suction fan is installed to gas-supply pipe one end, and the gas-supply pipe mid-mounting has the heater, the apron is installed to the frame upper end, and the inside placer of frame, placer include the crucible, and the dwang is all installed at crucible upper portion both ends, and the bearing frame of fixing in the frame is installed to the dwang opposite side, the placer lower part is installed and is rocked the.

As a further scheme of the invention: and supporting legs are arranged at four corners of the lower end of the rack.

As a further scheme of the invention: and a desulfurization machine is arranged at the tail end of the exhaust pipe.

As a further scheme of the invention: and a handle is arranged on one side of the upper end of the cover plate.

As a further scheme of the invention: the shaking device comprises driven teeth fixed at the lower end of the crucible, at least 1 driving gear ring is meshed at the lower end of the driven teeth, a sliding shaft is installed in the middle of the driving gear ring, bearing plates are installed at two ends of the sliding shaft, and a telescopic spring is installed between the right bearing plate and the rack.

As a further scheme of the invention: the power device comprises an eccentric disc which is in contact with the left bearing plate, an output shaft is arranged at the lower end of the eccentric disc, and a motor is arranged at the lower end of the output shaft.

As a further scheme of the invention: the two ends of the sliding shaft are both connected with first bearings fixed inside the rack in a sliding mode.

As a still further scheme of the invention: the motor is connected with a switch through a lead.

Compared with the prior art, the invention has the beneficial effects that: the device is enabled to keep hot air circulation all the time when being smelted by arranging the gas pipe, the exhaust pipe, the heat-assisting frame, the suction fan, the heater, the placing device, the shaking device and the power device, so that the smelting speed and the separation rate are improved, the heat of the waste gas is heated for the air just sucked into the gas pipe by the exhausted waste gas through the heat-assisting frame, the energy recovery is facilitated, and the electric energy consumed by the heater is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a low-slag-rate metal melting device.

FIG. 2 is a schematic view of the structure of a crucible in a low-dross-rate metal melting apparatus.

FIG. 3 is a schematic structural view of a driving gear ring in a low-slag-rate metal melting device.

In the figure: 1-suction fan, 2-gas pipe, 3-heater, 4-frame, 5-exhaust pipe, 6-rotating rod, 7-crucible, 8-passive tooth, 9-driving gear ring, 10-sliding shaft, 11-expansion spring, 12-supporting leg, 13-bearing plate, 14-first bearing, 15-eccentric disc, 16-output shaft, 17-motor, 18-desulfurizer, 19-heat-aid frame, 20-handle, 21 and cover plate.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the invention, and further, the terms "first", "second", etc., are used only for descriptive purposes and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated, whereby the features defined as "first", "second", etc., may explicitly or implicitly include one or more of such features, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "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; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be communicated with each other, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

Referring to fig. 1 to 3, in the embodiment of the invention, the low-slag-rate metal smelting device comprises a rack 4, a gas pipe 2 is installed on one side of the rack 4, an exhaust pipe 5 is installed on the other side of the rack 4, the exhaust pipe 5 is connected with the gas pipe 2 through a heat-assisting frame 19, a suction fan 1 is installed at one end of the gas pipe 2, a heater 3 is installed in the middle of the gas pipe 2, a cover plate 21 is installed at the upper end of the rack 4, a placing device is arranged in the rack 4 and comprises a crucible 7, rotating rods 6 are installed at two ends of the upper portion of the crucible 7, a bearing seat fixed in the rack 4 is installed on the other side of each rotating rod 6, a shaking device is installed at the lower.

Further, supporting legs 12 are all installed in 4 lower extreme four corners of frame, desulfurization machine 18 is installed to 5 ends of blast pipe, handle 20 is installed to apron 21 upper end one side, rocking device is including fixing the passive tooth 8 at 7 lower extremes of crucible, and the meshing of 8 lower extremes of passive tooth has 1 at least initiative ring gear 9, and initiative ring gear 9 mid-mounting has sliding shaft 10, and bearing plate 13 is all installed at sliding shaft 10 both ends, installs expanding spring 11 between bearing plate 13 and the frame 4 on the right side, power device is including contacting the eccentric disc 15 of left side bearing plate 13, and output shaft 16 is installed to eccentric disc 15 lower extreme, and motor 17 is installed to the output shaft 16 lower extreme, the equal sliding connection in sliding shaft 10 both ends has first bearing 14 of fixing in frame 4 inside.

Example 2

In another embodiment of the present invention, the embodiment is different from the above embodiments in that the motor 17 is connected with a switch through a wire for controlling the start, stop and shaking speed of the shaking apparatus.

The working principle of the invention is as follows: opening a cover plate 21, putting raw materials into a crucible 7, covering the cover plate 21, starting a suction fan 7 and a heater 3, introducing outside air into the suction fan 1, guiding the air from the suction fan 1 to an air conveying pipe 2, heating the air in the air conveying pipe 2 when the air passes through the heater 3, simultaneously conveying the air into a rack 4 by the air conveying pipe 2, heating the raw materials in the crucible 7 by the air in the rack 4, discharging the heated air from an exhaust pipe 5, heating the air in the air conveying pipe 2 when the exhaust pipe 5 passes through a heating-aid rack 19 to reduce the power of the heater 3, finally discharging the air from a desulfurizer 18 through the exhaust pipe to realize metal smelting, wherein the crucible 7 rotates in the rack 4 in a reciprocating manner, the motor 17 drives an output shaft 16 to rotate, the output shaft 16 drives an eccentric disc 15 to rotate, the eccentric disc 15 realizes the left-right movement of a sliding shaft 10 under the cooperation of an expansion spring 11, the driving gear ring 9 on the sliding shaft 10 drives the crucible 7 to move left and right through the driven gear 8.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a low melting slag rate metal melting device, includes frame (4), its characterized in that, gas-supply pipe (2) are installed to frame (4) one side, and frame (4) opposite side installs blast pipe (5), connects through helping hot frame (19) between blast pipe (5) and the gas-supply pipe (2), suction fan (1) are installed to gas-supply pipe (2) one end, and gas-supply pipe (2) mid-mounting has heater (3), apron (21) are installed to frame (4) upper end, and frame (4) inside placer, placer include crucible (7), and dwang (6) are all installed at crucible (7) upper portion both ends, and the bearing frame of fixing in frame (4) is installed to dwang (6) opposite side, the placer lower part is installed and is rocked the device, rocks device one side-mounting and has power device.

2. A low dross rate metal melting apparatus as claimed in claim 1, wherein the frame (4) is provided with support legs (12) at each of the four corners of the lower end thereof.

3. A low dross rate metal melting apparatus as claimed in claim 1, wherein a desulphurisation machine (18) is mounted at the end of the stack (5).

4. A low dross rate metal melting apparatus as claimed in claim 1, wherein a handle (20) is attached to the upper end of the shroud (21).

5. A low-slag-rate metal smelting device according to claim 1 or 2, wherein the shaking device comprises a driven tooth (8) fixed at the lower end of the crucible (7), at least 1 driving gear ring (9) is meshed at the lower end of the driven tooth (8), a sliding shaft (10) is arranged in the middle of the driving gear ring (9), bearing plates (13) are arranged at both ends of the sliding shaft (10), and a telescopic spring (11) is arranged between the right bearing plate (13) and the frame (4).

6. A low dross rate metal melting unit as claimed in claim 5, wherein the power means comprises an eccentric disc (15) contacting the left side adaptor plate (13), the lower end of the eccentric disc (15) being fitted with an output shaft (16), the lower end of the output shaft (16) being fitted with a motor (17).

7. A low dross rate metal melting unit as claimed in claim 6, wherein the sliding shaft (10) is slidably connected at both ends to first bearings (14) fixed inside the frame (4).

8. A low dross rate metal melting apparatus as claimed in claim 6, wherein the motor (17) is connected to the switch by a wire.