CN213680826U

CN213680826U - Distillation furnace for directly preparing high-purity zinc oxide from hot-dip galvanized slag

Info

Publication number: CN213680826U
Application number: CN202022536319.XU
Authority: CN
Inventors: 张维喜
Original assignee: Weifang Longda Zinc Industry Co ltd
Current assignee: Weifang Longda Zinc Industry Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-07-13
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a distillation furnace for directly preparing high-purity zinc oxide by hot-dip galvanizing slag, which comprises a distillation furnace and a separation furnace, wherein the separation furnace is positioned on one side of the distillation furnace, and a connecting pipe is jointly arranged between the distillation furnace and the separation furnace. The utility model discloses in, it is rotatory that the motor can drive the main shaft through the speed reducer, the main shaft can drive the rotating vane and rotate, spiral heating pipe can heat the inside of separating furnace, thereby can make the zincilate melt, can make zinc liquid separate with other residues, the feeder hopper can be convenient for carry out the feeding, the discharging pipe can make the residue discharge after separating, temperature controller can be convenient for people observe the temperature of distilling furnace and separating furnace inside, thereby be convenient for draw zinc oxide, moreover, the steam generator is simple in structure, can be convenient for improve hot-dip galvanizing slag and draw the efficiency and the quality of high-purity zinc oxide.

Description

Distillation furnace for directly preparing high-purity zinc oxide from hot-dip galvanized slag

Technical Field

The utility model relates to the technical field of distillation, especially, relate to a distillation furnace of directly preparing high-purity zinc oxide with hot dip galvanizing slag.

Background

Distillation is a thermodynamic separation process that utilizes the difference in boiling points of components in a mixed liquid or liquid-solid system to vaporize lower boiling components and recondense to separate the entire component, a unit operation that combines the two unit operations of evaporation and condensation. Compared with other separation means, such as extraction, filtration and crystallization, the method has the advantages that other solvents except system components are not needed, so that new impurities are not introduced;

the existing zinc dross distillation furnace for preparing high-purity zinc oxide has certain disadvantages, zinc dross contains different kinds of metal impurities, so that zinc oxide is not convenient to directly extract, and the existing extraction device directly extracts zinc oxide through the distillation furnace, so that the purity of the extracted zinc oxide is not high, and the extraction efficiency and quality are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provide a distillation furnace for directly preparing high-purity zinc oxide by hot-dip galvanizing slag.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a distillation furnace for directly preparing high-purity zinc oxide from hot-dip galvanized slag comprises a distillation furnace and a separation furnace, wherein the separation furnace is positioned at one side of the distillation furnace, and a connecting pipe is arranged between the distillation furnace and the separation furnace;

wherein an electromagnetic heater is arranged in the distillation furnace, and a crucible is arranged at the top of the electromagnetic heater;

silicon carbide baffles are arranged inside the distillation furnace, and the silicon carbide baffles are a plurality of silicon carbide baffles which are mutually crossed and parallel;

a main shaft is arranged in the separation furnace, and rotating blades are arranged on the outer surface of the main shaft;

and a groove is formed in the inner wall of the separation furnace corresponding to the position of the connecting pipe.

As a further description of the above technical solution:

the top of the distillation furnace is provided with an exhaust pipe, one end of the exhaust pipe, which is far away from the distillation furnace, is provided with a sealing plug, and the outer surface of the exhaust pipe is provided with a condensation pipe.

As a further description of the above technical solution:

and a speed reducer is arranged on one side of the separation furnace, a motor is arranged at the top of the speed reducer, and an output shaft of the motor is fixedly connected with the main shaft through the speed reducer.

As a further description of the above technical solution:

the inner wall of the separation furnace is provided with a spiral heating pipe, the top of the separation furnace is provided with an electric heater, and the electric heater is electrically connected with the spiral heating pipe.

As a further description of the above technical solution:

the position of the top one end of separation furnace is provided with the feeder hopper, the position of the bottom one end of separation furnace is provided with the discharging pipe.

As a further description of the above technical solution:

the outer surface of the distillation furnace is provided with a temperature controller, the distillation furnace and the separation furnace are both internally provided with temperature sensors, and the temperature controller is electrically connected with the temperature sensors.

The utility model discloses following beneficial effect has:

1. when the distillation furnace for directly preparing high-purity zinc oxide by using hot-dip galvanizing slag is used, zinc liquid can be distilled into gas to be discharged through the exhaust pipe, the condenser pipe, the motor, the main shaft, the rotary vane, the separation furnace, the spiral heating pipe, the distillation furnace and the temperature controller, the exhaust pipe can condense zinc gas of the distillation furnace, the motor can drive the main shaft to rotate through the speed reducer, the main shaft can drive the rotary vane to rotate, the spiral heating pipe can heat the inside of the separation furnace, so that the zinc slag can be melted, the zinc liquid can be separated from other residues, the feed hopper can facilitate feeding, the discharge pipe can discharge the separated residues, the temperature controller can facilitate people to observe the temperature in the distillation furnace and the separation furnace, thereby being convenient for extracting the zinc oxide, having simple structure and being convenient for improving the efficiency and the quality of extracting the high-purity zinc oxide from the hot galvanizing slag.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is an enlarged view of a in fig. 2 according to the present invention.

Illustration of the drawings:

1. a distillation furnace; 2. a separation furnace; 3. an exhaust pipe; 4. a condenser tube; 5. a temperature controller; 6. a sealing plug; 7. an electric heater; 8. a speed reducer; 9. a motor; 10. a feed hopper; 11. a discharge pipe; 12. a main shaft; 13. rotating the leaf; 14. a spiral heating pipe; 15. an electromagnetic heater; 16. a crucible; 17. a silicon carbide baffle; 18. a connecting pipe; 19. and (4) slotting.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a distillation furnace for directly preparing high-purity zinc oxide by hot dip galvanizing slag comprises a distillation furnace 1 and a separation furnace 2, wherein the separation furnace 2 is positioned at one side of the distillation furnace 1, and a connecting pipe 18 is arranged between the distillation furnace 1 and the separation furnace 2; wherein, an electromagnetic heater 15 is arranged in the distillation furnace 1, and a crucible 16 is arranged at the top of the electromagnetic heater 15; a silicon carbide baffle 17 is arranged in the distillation furnace 1, and the silicon carbide baffles 17 are a plurality of mutually crossed and parallel; a main shaft 12 is arranged in the separation furnace 2, and a rotating blade 13 is arranged on the outer surface of the main shaft 12; the inner wall of the separation furnace 2 is provided with a slot 19 corresponding to the position of the connecting pipe 18.

An exhaust pipe 3 is arranged at the top of the distillation furnace 1, a sealing plug 6 is arranged at one end of the exhaust pipe 3, which is far away from the distillation furnace 1, a condensing pipe 4 is arranged on the outer surface of the exhaust pipe 3, the exhaust pipe 3 can distill zinc liquid into gas to be exhausted, and the condensing pipe 4 can condense the zinc gas; a speed reducer 8 is arranged on one side of the separation furnace 2, a motor 9 is arranged at the top of the speed reducer 8, an output shaft of the motor 9 is fixedly connected with a main shaft 12 through the speed reducer 8, the motor 9 can drive the main shaft 12 to rotate through the speed reducer 8, and the main shaft 12 can drive a rotating blade 13 to rotate, so that solid-liquid separation is facilitated; the inner wall of the separation furnace 2 is provided with a spiral heating pipe 14, the top of the separation furnace 2 is provided with an electric heater 7, the electric heater 7 is electrically connected with the spiral heating pipe 14, and the spiral heating pipe 14 can heat the inside of the separation furnace 2, so that the zinc slag can be melted, and the zinc liquid can be separated from other residues; a feed hopper 10 is arranged at one end of the top of the separation furnace 2, a discharge pipe 11 is arranged at one end of the bottom of the separation furnace 2, the feed hopper 10 can facilitate feeding, and the discharge pipe 11 can discharge residues after separation; the surface of distillation furnace 1 is provided with temperature controller 5, and distillation furnace 1 all is provided with temperature sensor with the inside of separating furnace 2, and temperature controller 5 and temperature sensor electric connection, and temperature controller 5 can be convenient for people observe the inside temperature of distillation furnace 1 and separating furnace 2 to be convenient for draw zinc oxide.

The working principle is as follows: when the distillation furnace for directly preparing high-purity zinc oxide from hot-dip galvanized slag is used, firstly, the hot-dip galvanized slag is poured into the separation furnace 2 through the feed hopper 10, the electric heater 7 is simultaneously turned on to heat the inside of the separation furnace 2, the temperature in the inside of the separation furnace reaches the melting point of zinc, the motor 9 is turned on, the motor 9 can drive the main shaft 12 to rotate through the speed reducer 8, the main shaft 12 can drive the rotating blades 13 to rotate, so that zinc liquid is separated from other metal substances in the hot-dip galvanized slag, the zinc liquid enters the crucible 16 through the slot 19 and is heated through the electromagnetic heater 15, the zinc liquid is gasified, and the gasified zinc gas is filtered through the silicon carbide baffle 17, so that the high-purity zinc oxide can be obtained.

Finally, it should be noted that: 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 variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A distillation furnace for directly preparing high-purity zinc oxide by hot-dip galvanizing slag comprises a distillation furnace (1) and a separation furnace (2), wherein the separation furnace (2) is positioned at one side of the distillation furnace (1), and the distillation furnace is characterized in that: a connecting pipe (18) is arranged between the distillation furnace (1) and the separation furnace (2);

wherein an electromagnetic heater (15) is arranged inside the distillation furnace (1), and a crucible (16) is arranged at the top of the electromagnetic heater (15);

silicon carbide baffles (17) are arranged inside the distillation furnace (1), and the silicon carbide baffles (17) are mutually crossed and parallel;

a main shaft (12) is arranged in the separation furnace (2), and a rotating blade (13) is arranged on the outer surface of the main shaft (12);

and a groove (19) is formed in the position, corresponding to the connecting pipe (18), of the inner wall of the separation furnace (2).

2. The distillation furnace for directly preparing high-purity zinc oxide by using hot galvanizing slag according to the claim 1 is characterized in that: the top of distillation stove (1) is provided with blast pipe (3), the one end that blast pipe (3) kept away from distillation stove (1) is provided with sealing plug (6), the surface of blast pipe (3) is provided with condenser pipe (4).

3. The distillation furnace for directly preparing high-purity zinc oxide by using hot galvanizing slag according to the claim 1 is characterized in that: a speed reducer (8) is arranged on one side of the separation furnace (2), a motor (9) is arranged at the top of the speed reducer (8), and an output shaft of the motor (9) is fixedly connected with a main shaft (12) through the speed reducer (8).

4. The distillation furnace for directly preparing high-purity zinc oxide by using hot galvanizing slag according to the claim 1 is characterized in that: the inner wall of the separation furnace (2) is provided with a spiral heating pipe (14), the top of the separation furnace (2) is provided with an electric heater (7), and the electric heater (7) is electrically connected with the spiral heating pipe (14).

5. The distillation furnace for directly preparing high-purity zinc oxide by using hot galvanizing slag according to the claim 1 is characterized in that: the position of the top one end of separating furnace (2) is provided with feeder hopper (10), the position of the bottom one end of separating furnace (2) is provided with discharging pipe (11).

6. The distillation furnace for directly preparing high-purity zinc oxide by using hot galvanizing slag according to the claim 1 is characterized in that: the outer surface of the distillation furnace (1) is provided with a temperature controller (5), the insides of the distillation furnace (1) and the separation furnace (2) are both provided with temperature sensors, and the temperature controller (5) is electrically connected with the temperature sensors.