CN212425454U

CN212425454U - Vertical continuous graphitizing furnace

Info

Publication number: CN212425454U
Application number: CN202020884072.8U
Authority: CN
Inventors: 李兴涛; 焦贵东; 刘德志; 焦贵彬
Original assignee: Qitaihe Wanlitai Electric Material Co ltd
Current assignee: Longjiang Wanlitai New Energy Technology Co.,Ltd.
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-01-29
Anticipated expiration: 2030-05-22

Abstract

A vertical continuous graphitizing furnace. It belongs to the field of graphitizing furnaces. The problems of large heat loss, high electrode use frequency and short service life of the conventional electrode are solved. The utility model discloses an anodal establishing of electrode puts at furnace body central point, and a plurality of graphite electrode negative pole levels and electrode positive are axisymmetric distribution at the middle part in the heating chamber, and the inner of a plurality of graphite electrode negative poles is same cambered surface with the arc inner wall in heating chamber, and the anodal terminal surface of electrode is on same horizontal plane with the lower surface of a plurality of graphite electrode negative poles down, and the heating chamber is radius trapezium structure. The high-temperature heating area of the graphitization furnace has the advantages of uniform temperature distribution, guarantee of material consistency, controllable temperature, smooth exhaust flap impurities and capability of preparing high-purity artificial graphite materials.

Description

Vertical continuous graphitizing furnace

Technical Field

The utility model relates to a graphitizing furnace, concretely relates to vertical continuous graphitizing furnace.

Background

At present, the traditional Acheson furnace is an uneven heating furnace, the temperature difference in the furnace is large, continuous production cannot be carried out, the heat loss is large, the cooling time is long, the energy consumption is high, the efficiency is low, and the like, so that the traditional Acheson furnace is not suitable for large-scale production. Compared with an Acheson furnace, the series graphitizing furnace can rapidly heat up, not only can save energy, but also can shorten the period, but also still does not solve the problems of long cooling time, incapability of continuous production, large heat loss and the like. The existing continuous graphitizing furnace has two electrodes which are symmetrically arranged in one dimension and distributed at the bottom and the top of the graphitizing furnace, and the electrodes have high use frequency and short service life.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve present unable continuous production, calorific loss is big, and electrode frequency of use is high, and the short problem of life provides a vertical continuous graphitizing furnace, and the concrete technical scheme who solves this problem is as follows:

the utility model discloses a vertical continuous graphitizing furnace, by top air collecting channel, the water seal viewing aperture, the electrode positive pole, the charge door, bell carbon heat preservation, the bell steel constructs, the flue, the exhaust viewing aperture, the gas vent, graphite powder packs, the graphite electrode negative pole, the temperature measurement hole, the graphite piece, few grey charcoal piece, resistant firebrick, the refractory concrete base, the cooling water pipe box, cooling jacket, graphite cover and water catch bowl are constituteed, the electrode positive pole is established at furnace body central point and is put, a plurality of graphite electrode negative pole levels and the electrode positive pole are the middle part in the heating chamber for axial symmetric distribution, the inner of a plurality of graphite electrode negative poles is same cambered surface with the arc inner wall in the heating chamber, terminal surface and a plurality of graphite electrode negative poles's lower surface is on same horizontal plane under the electrode positive pole, heating chamber longitudinal section is radius.

The utility model discloses a vertical continuous graphitizing furnace, the configuration that adopts a plurality of graphite electrode negative poles reduces the single electrode frequency of use, increases the life, can provide even furnace temperature simultaneously, the balanced material performance; a plurality of graphite electrode cathodes and electrode anodes are axially and symmetrically distributed in the middle of the heating cavity, so that current is ensured to flow through materials, and uniform temperature in the furnace is provided; the longitudinal section of the heating cavity adopts an inverted trapezoid structure, so that impurities and volatile gas can be conveniently removed; the temperature distribution of the high-temperature heating area is uniform, the consistency of the materials is ensured, the temperature is controllable, and the high-purity artificial graphite material can be prepared.

Drawings

Fig. 1 is a schematic structural view of the present invention, and fig. 2 is a sectional view taken along line a-a in fig. 1.

Detailed Description

The first embodiment is as follows: this embodiment is described in conjunction with fig. 1. The furnace comprises a top gas collecting channel 1, a water seal observation port 2, an electrode anode 3, a charging port 4, a furnace cover carbon heat preservation layer 5, a furnace cover steel structure 6, a main flue 7, an exhaust observation port 8, an exhaust port 9, graphite powder filler 10, a graphite electrode cathode 11, a temperature measurement hole 12, a graphite block 13, a less ash carbon block 14, a refractory brick 15, a refractory concrete base 16, a cooling water pipe groove 17, a cooling water jacket 18, a graphite sleeve 19 and a water collection groove 20, wherein the electrode anode 3 is arranged at the central position of a furnace body, the levels of a plurality of graphite electrode cathodes 11 and the electrode anode 3 are axially and symmetrically distributed in the middle of a heating cavity 21, the inner ends of the plurality of graphite electrode cathodes 11 and the arc-shaped inner wall of the heating cavity 21 are in the same arc-shaped surface, the lower end surface of the electrode anode 3 and the lower surfaces of the plurality of graphite electrode cathodes 11 are in.

The second embodiment is as follows: the present embodiment is described with reference to fig. 1 and 2. Four graphite electrode negative electrodes 11 according to the present embodiment are used.

The third concrete implementation mode: this embodiment is described in conjunction with fig. 1. Water cooling according to the present embodiment

The cooling water pipe groove 17, the cooling water jacket 18 and the water collecting groove 20 are used for cooling the material in a spiral winding water cooling mode, power is provided for water circulation, the material cooling speed is increased, and the production time is greatly reduced.

The working principle is as follows:

a cavity of a vertical continuous graphitizing furnace is divided into four parts, namely a preheating region, a heating region, a constant temperature region and a cooling part, wherein the heating cavity is of an inverted trapezoid structure, the radius of the cross section of the preheating region is gradually reduced from an exhaust port to the lower part until reaching the plane of a plurality of graphite electrode cathodes 11, and the material density is increased and the conductivity is enhanced along with the reduction of the radius of the cross section of the preheating region; entering a heating area, wherein a plurality of graphite electrode cathodes 11 and electrode anodes 3 are distributed in the middle of the heating cavity 21 in an axial symmetry manner, so that current is ensured to flow through materials, and uniform temperature in the furnace is provided; then entering a constant temperature area; the water cooling adopts the water-cooled mode of spiral winding to reduce the material temperature to for water cycle provides power, improved material cooling rate, greatly reduced production time.

Claims

1. The utility model provides a vertical continuous graphitizing furnace, it comprises top air collecting channel, water seal viewing aperture, electrode positive pole, charge door, bell carbon heat preservation, bell steel structure, flue stack, exhaust viewing aperture, gas vent, graphite powder filler, graphite electrode negative pole, temperature measurement hole, graphite piece, few grey charcoal piece, resistant firebrick, refractory concrete base, cooling water pipe groove, cooling water jacket, graphite cover and water catch bowl, its characterized in that: the positive electrode is arranged at the center of the furnace body, the multiple graphite electrode negative poles and the positive electrode are axially and symmetrically distributed in the middle of the heating cavity, the inner ends of the multiple graphite electrode negative poles and the arc-shaped inner wall of the heating cavity are in the same arc surface, the lower end surface of the positive electrode and the lower surfaces of the multiple graphite electrode negative poles are on the same horizontal plane, and the longitudinal section of the heating cavity is in a shape of an inverted trapezoid.

2. A vertical continuous graphitization furnace as claimed in claim 1, wherein: the number of the graphite electrode cathodes is four.