CN210030839U

CN210030839U - Zinc rain condenser

Info

Publication number: CN210030839U
Application number: CN201920825394.2U
Authority: CN
Inventors: 郑克亮; 王伟江; 杜建军
Original assignee: Handan Tongzhao Renewable Resources Co Ltd
Current assignee: Handan Tongzhao Renewable Resources Co Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-02-07
Anticipated expiration: 2029-06-03

Abstract

A zinc rain condenser suitable for the field of metal smelting comprises a closed hearth, a zinc steam inlet connected with one end of the upper part of the closed hearth, a condensation outlet connected with the other end of the upper part of the closed hearth, an overflow port formed in the side wall of the closed hearth, a rotating shaft which is obliquely arranged on the top of the closed hearth through a support and can enable zinc liquid in the closed hearth to be lifted, and a semicircular body coaxially sleeved on the radial lower part of the rotating shaft, wherein the upper end of the semicircular body is fixed on the support, the lower end of the semicircular body is immersed in the zinc liquid, and the rotating shaft is rotatably connected with the support; the rotating shaft comprises a main shaft and blades which are spirally arranged on the main shaft and provided with first guide grooves; the blades are independent blades which are arranged on the main shaft at intervals according to the track of a spiral line, and each independent blade is provided with a first guide groove. The zinc rain condenser is high in condensation efficiency, convenient to maintain and repair in the later period and low in maintenance cost.

Description

Zinc rain condenser

Technical Field

The utility model relates to a condenser, especially, be applicable to the zinc rain condenser in metal smelting field.

Background

The zinc smelting process can be generally divided into two main categories: the zinc pyrometallurgy is a traditional and long-history process, and the process flow mainly comprises three steps of melting, evaporating and condensing. Feeding zinc-containing raw material ore into a hopper by a forklift, heating to a certain temperature (600-, then casting ingot to obtain 0# zinc.

The existing zinc rain condenser has only one rotor impeller, the rotor impeller drives the rising of a layer of zinc rain curtain at a high speed, so that the overflowed or raised liquid umbrella-shaped zinc rain curtain is fully contacted with the zinc furnace gas in a steam state, the steam zinc in the steam state is finally changed into zinc rain (liquid metal zinc) and falls into an inner cavity of the condenser, but the space contacted by the zinc rain curtain raised in the inner cavity is limited, namely only one bundle of umbrella-shaped zinc rain curtain can be formed, therefore, the probability of contacting the zinc rain curtain with the zinc steam is limited, the condensation efficiency is low, and the yield of producing crude zinc is finally influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main objective lies in providing a can raise zinc rain, the efficient zinc rain condenser of condensation in multidimension space.

The technical scheme for solving the problems is that the zinc rain condenser comprises a closed hearth, a zinc steam inlet connected with one end of the upper part of the closed hearth, a condensation outlet connected with the other end of the upper part of the closed hearth, an overflow port arranged on the side wall of the closed hearth, a rotating shaft which is obliquely arranged on the top of the closed hearth through a support and can lift zinc liquid in the closed hearth, and a semi-circular ring body coaxially sleeved on the radial lower part of the rotating shaft, wherein the upper end of the semi-circular ring body is fixed on the support, the lower end of the semi-circular ring body is immersed in the zinc liquid, and the rotating shaft is rotatably connected with the support; the rotating shaft comprises a main shaft and blades which are spirally arranged on the main shaft and provided with first guide grooves; the upper end of the main shaft is positioned outside the closed hearth and is connected with the motor, and the lower end of the main shaft is immersed in the zinc liquid at the bottom of the closed hearth.

The first diversion trench is in an inverted trumpet shape which gradually narrows from the root of the blade from inside to outside.

Wherein, the included angle between the blade and the generatrix of the circumferential surface of the main shaft is theta, and theta is more than or equal to 60 degrees and less than 90 degrees.

Wherein, the blade is a slice formula structure and with main shaft integrated into one piece, first guiding gutter be a plurality of and the equipartition in the blade.

The blades are independent blades which are arranged on the main shaft at intervals according to the track of the spiral line, and each independent blade is provided with a first guide groove.

Wherein, the blade is equipped with the second guiding gutter that is used for communicateing each first guiding gutter with the main shaft department of meeting.

The blade root is provided with a threaded shaft, and a threaded hole matched with the threaded shaft is formed in the position, corresponding to the blade mounting position, of the main shaft.

The utility model has the advantages that:

(1) the blades are spirally installed and uniformly distributed with a plurality of first pouring chutes, so that zinc rain thrown away is in a plurality of directions and at a plurality of heights, zinc rain with a plurality of dimensions is formed, the spatial distribution of the zinc rain is wider and dense, dead angles in a closed hearth are formed, the contact probability of the zinc rain and zinc steam is improved less, and the conversion rate of zinc liquid is improved.

(2) The arrangement of the independent blades enables later maintenance to be more convenient, and the maintenance cost is reduced.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1: the zinc rain condenser of the utility model has the overall structure schematic diagram;

FIG. 2: the structure schematic diagram of the rotating shaft and the semi-circular ring body in the direction A of the utility model (the rotating shaft is provided with a piece of blade);

FIG. 3: FIG. 2 is a schematic view of a one-piece bucket when deployed in a flat configuration;

FIG. 4: the structure schematic diagram of the independent blades installed at intervals of the utility model;

FIG. 5: FIG. 4 is a schematic view of the individual blades when deployed;

FIG. 6: the axial section schematic diagram of the rotating shaft and the independent blade of the utility model;

FIG. 7: the utility model discloses a main shaft and independent blade decompose the schematic diagram.

Description of the reference numerals

1 closed hearth

2 zinc steam inlet

3 condensation outlet

4 overflow outlet

5 rotating shaft

51 spindle

511 screw hole

52 blade

521 first diversion trench

522 second diversion trench

523 screw thread shaft

524 blade spacing

6 support

7 electric machine

8 semi-circle ring body

9 shunting line

10 blade root line

L circumferential generatrix.

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Referring to fig. 1 to 7, a zinc rain condenser includes a sealed furnace 1, a zinc vapor inlet 2, a condensation outlet 3, an overflow port 4, a plurality of rotating shafts 5, and a semi-circular ring 8.

One end of the upper part of the closed hearth 1 is connected with a zinc steam inlet 2, high-temperature zinc steam guided out by a tray enters the closed hearth 1 from the inlet, low-temperature zinc liquid is arranged at the bottom of the closed hearth 1, a plurality of rotating shafts 5 capable of enabling the zinc liquid to be lifted upwards are arranged at the top of the closed hearth 1, the lifted zinc liquid splashes around like a rain curtain, low-temperature zinc rain contacts the high-temperature zinc steam in the closed hearth 1, the zinc steam is converted into the zinc liquid and finally falls into the bottom of the closed hearth 1, when the liquid level of the zinc liquid at the bottom of the closed hearth 1 reaches a preset upper limit height, the zinc liquid flows out of an overflow port 4 arranged on the side wall of the closed hearth 1, and the height of the bottom edge of the overflow port 4 is a preset. And the zinc liquid flows into a zinc storage tank from an overflow port 4 and then enters the next process, namely the zinc liquid flows into a 0# zinc storage tank and is cast to obtain 0# zinc, and the residual unliquefied zinc vapor in the closed hearth 1 is discharged from a condensation outlet 3 arranged at the other end of the upper part of the closed hearth 1 and enters a secondary condensation device, such as a water cooling or air cooling device and the like.

Embodiment one of the rotary shaft 5:

the rotating shaft 5 includes a main shaft 51 and blades 52 spirally mounted on the main shaft 51, and a plurality of first guide grooves 521 are uniformly distributed on the blades 52. The rotating shaft 5 penetrates through the top of the closed hearth 1 through the support 6, the lower end of the rotating shaft, namely one end positioned in the closed hearth 1, is immersed in the zinc liquid, and the upper end of the rotating shaft, namely one end positioned outside the closed hearth 1, is connected with an external motor 7. The rotating shaft 5 is rotatably connected with the support 6, and the support 6 is fixedly connected with the closed hearth 1.

The lower peripheral surface of the rotating shaft 5 is sleeved with a semicircular ring body 8, the semicircular ring body 8 is coaxially sleeved at the radial lower part of the rotating shaft, namely, the space below the central axis of the main shaft 51, the upper end of the semicircular ring body 8 is fixedly connected with the support 6, the lower end of the semicircular ring body is immersed in the zinc liquid and is basically flush with the lower end of the rotating shaft 5, and the rotating shaft 5 and the semicircular ring body 8 are matched to form a spiral channel, namely, the space between adjacent blades. When the motor 7 drives the rotating shaft 5 to rotate at a high speed, the zinc liquid is lifted and flows upwards along a spiral channel according to the principle of the Archimedes water extractor. Due to the centrifugal effect during rotation, the zinc liquid on the blade 52 is thrown away from the inside to the outside, and the first guiding grooves 521 are uniformly distributed on the blade 5, so that the zinc liquid is thrown away along the direction of the first guiding grooves 521. Because the directions of the first guiding grooves 521 are different according to the position of the blade 5, the zinc rain thrown away is multi-directional and distributed in a plurality of height spaces, so that the zinc rain with a plurality of dimensions is formed in the upper space of the semicircular ring body 8, namely the opening side of the semicircular ring body, the space distribution is wider and dense, and the dead angle in the closed hearth 1 is less. However, because the space on the rear side of the semi-circular ring body 8 is blocked by the semi-circular ring body 8, namely the space far away from the semi-circular ring body 8 still forms a dead angle of zinc rain, the combination of a plurality of rotating shafts 5 and the semi-circular ring body 8 can be continuously arranged on the rear side of the semi-circular ring body to reduce the dead angle, further expand the distribution space of zinc rain, improve the contact probability of the zinc rain and zinc steam, and further improve the conversion rate of zinc liquid.

In the present embodiment, the rotating shaft 5 is made of a high-temperature resistant material, such as high-temperature resistant graphite, ceramic, or the like.

The first guiding gutter 521 is in the shape of an inverted trumpet gradually narrowing from the blade root 10 from the inside to the outside, wherein the wider end has the function of temporarily storing the molten zinc, and the narrower end has the function of guiding the molten zinc, along which the molten zinc is thrown out.

The blade 52 is further provided with a second guiding groove 522 for communicating each first pouring groove 521 at the joint with the main shaft 51, so as to enable the zinc liquid to be smoothly lifted upwards and to be divided in the direction of the first pouring groove 521.

The intersection line of the spiral formed between the blade 52 and the main shaft 51 and the extension line thereof are referred to as a blade root line 10, the line tangent to the wider bottom end of each first diversion trench 521 and the extension line thereof are connected to form a diversion line 9, and the second diversion trench 522 is a space between the diversion line 9 and the blade root line 10.

The included angle between the blade 52 and the circumferential generatrix L of the main shaft 51 is theta (the circumferential generatrix L is a line on the circumferential surface parallel to the cylindrical axis), which determines the throwing-out direction of the zinc liquid in the first guiding gutter 521, and when the included angle is larger, the upward lifting of the zinc liquid is not facilitated, preferably 60 degrees or more and theta < 90 degrees, which can ensure the smooth lifting of the zinc liquid and the throwing-out height of the zinc liquid.

The blade 52 may be a one-piece structure and integrally formed with the main shaft 51.

Wherein, sealed form furnace 1 is the cube structure, can change its structure according to demands such as actual installation, production.

Example two of the rotary shaft 5:

the difference from the first embodiment is that: the blades 52 on the rotating shaft 5 can also be designed as a split structure with a plurality of independent blades, each independent blade 52 is installed on the main shaft 51 at intervals according to the track of a spiral line, but the interval distance 524 is not too large, so that the zinc liquid can be smoothly lifted to the adjacent blades 52 under the action of inertia. Each independent blade is provided with a first diversion trench. The blade 52 is divided into a plurality of independent parts, so that only the blade 52 at the position easy to wear needs to be replaced or repaired during later maintenance, thereby saving the maintenance time and reducing the maintenance cost.

The independent blade 52 is connected with the main shaft 51 through threads, correspondingly, a threaded shaft 523 is arranged at the root of the blade 52, a threaded hole 511 matched with the threaded shaft is formed in the position, corresponding to the installation position of the blade 52, of the main shaft 51, and namely the threaded hole 511 is also formed according to the track of a spiral line.

The foregoing description is only of the preferred embodiments of the present invention, and it should be understood that the described embodiments are only some embodiments of the present invention, and 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.

Claims

1. A zinc rain condenser is characterized in that: the device comprises a closed hearth, a zinc steam inlet connected with one end of the upper part of the closed hearth, a condensation outlet connected with the other end of the upper part of the closed hearth, an overflow port formed in the side wall of the closed hearth, a rotating shaft which is obliquely arranged on the top of the closed hearth through a support and can lift zinc liquid in the closed hearth, and a semicircular body coaxially sleeved on the radial lower part of the rotating shaft, wherein the upper end of the semicircular body is fixed on the support, the lower end of the semicircular body is immersed in the zinc liquid, and the rotating shaft is rotatably connected with the support;

the rotating shaft comprises a main shaft and blades which are spirally arranged on the main shaft and provided with first guide grooves;

the upper end of the main shaft is positioned outside the closed hearth and is connected with the motor, and the lower end of the main shaft is immersed in the zinc liquid at the bottom of the closed hearth.

2. The zinc rain condenser of claim 1, wherein: the first diversion trench is in an inverted trumpet shape which gradually narrows from the root of the blade from inside to outside.

3. The zinc rain condenser of claim 1, wherein: the included angle between the blade and the bus of the circumferential surface of the main shaft is theta, and theta is more than or equal to 60 degrees and less than 90 degrees.

4. The zinc rain condenser of claim 1, wherein: the blades are of a one-piece structure and are integrally formed with the main shaft, and the first guide grooves are uniformly distributed in the blades.

5. The zinc rain condenser of claim 1, wherein: the blades are independent blades which are arranged on the main shaft at intervals according to the track of a spiral line, and each independent blade is provided with a first guide groove.

6. A zinc rain condenser according to claim 4 or 5, characterized in that: and a second diversion trench for communicating each first diversion trench is arranged at the joint of the blade and the main shaft.

7. The zinc rain condenser of claim 6, wherein: the blade root is provided with a threaded shaft, and a threaded hole matched with the threaded shaft is formed in the position, corresponding to the blade mounting position, of the main shaft.