CN208471548U - A kind of graphite high temperature purification device - Google Patents
A kind of graphite high temperature purification device Download PDFInfo
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- CN208471548U CN208471548U CN201821030993.7U CN201821030993U CN208471548U CN 208471548 U CN208471548 U CN 208471548U CN 201821030993 U CN201821030993 U CN 201821030993U CN 208471548 U CN208471548 U CN 208471548U
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- high temperature
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Abstract
The utility model discloses a kind of graphite high temperature purification device, including horizontally disposed heating furnace, heating furnace entrance is equipped with vertical feeding-passage, and feeding-passage bottom is equipped with the graphite feed device towards heating furnace entrance, and furnace outlet is connected with vertical tapping channel；Bottom is laid with graphite plate, carrying platform of the graphite plate as graphite powder in heating furnace in the furnace of heating furnace, and the purity of graphite plate is 99.99% or more, and the furnace roof of heating furnace is equipped with one group of plasma torch；The furnace wall of heating furnace entrance side is equipped with air inlet pipe, and the outer end of air inlet pipe is connected with inert gas injection pump；The side of the tapping channel is respectively equipped with escape pipe and vacuum-pumping tube；Tapping channel bottom is from top to bottom successively arranged cooling chamber and discharge port；Plasma flame is sprayed into heating furnace using plasma gun, graphite powder is directly heated using 2400 DEG C~3000 DEG C of high temperature of plasma flame, the impurity in graphite powder is made sufficiently to gasify, to achieve the purpose that purify graphite.
Description
Technical field
The utility model relates to technical field of graphite purification, specifically a kind of graphite high temperature purification device.
Background technique
Graphite fusing point is 3652 DEG C, is a kind of allotrope of elemental carbon, each carbon atom periphery links other three
A carbon atom (arrangement mode is in cellular multiple hexagons) constitutes covalent molecule with Covalent bonding together.Since each carbon is former
Son can move freely, therefore graphite belongs to electric conductor there are a free electron in graphitic molecules wire side.High purity graphite refers to
Phosphorus content is greater than 99.9% graphite, has many advantages, such as that intensity height, good thermal shock, high temperature resistant, anti-oxidant, resistance coefficient is small, extensively
It is general to be applied to the industrial circles such as metallurgy, chemical industry, space flight, electronics, machinery, nuclear energy.Graphite purity is wanted in the continuous development of industry
Ask higher and higher, and the research and development of high temperature purification equipment are the important directions of graphite research and development.
Currently, the method for graphite purification specifically includes that floatation, alkali acid system, hydrogen fluoride, chlorinating roasting and high temperature
Method.Floatation is the common method of graphite preliminary concentration, and the fixed carbon content of graphite concentrate that flotation obtains generally is lower than 97%, right
The purity promotion of graphite has the upper limit, but whole flow process is easy to operate, technical maturity, usually as pretreatment to graphite raw ore into
Row preliminary purification.
Alkali acid system, hydrogen fluoride, chlorinating roasting belong to chemical method purification.Alkali acid system purifies graphite technology complexity, energy
Consumption is high, and purification efficiency is low, equipment seriously corroded, has certain influence to environment.The fixed carbon content energy of the graphite of hydrogen fluoride purification
Enough reach 99.9% or more, although equipment is simple, easy to operate, cost is relatively low, hydrofluoric acid corrosivity is strong, has one to human body
Fixed harm must carry out stringent monitoring to safety and waste water in production process to environment there are larger pollution.Chlorinating roasting mentions
Pure graphite purification efficiency and the rate of recovery are high, but process conditions are unstable, purifying higher cost, tail gas is difficult, be easy to cause sky
Gas is seriously polluted etc..In addition, chlorine has the shortcomings that certain toxicity, severe corrosion to equipment, poor controllability limit chloridising roasting
The popularization and application of method.
High temperature purification, that is, physical purification is put into electric furnace using graphite property resistant to high temperature, isolation air heating,
Vapor away impurity, to improve concentrate grade.The high purity graphite of high temperature purification generally available 99.9%, but this purity
It has been far from satisfying the demand of high sharp industry, has been badly in need of improving graphite of the process means to obtain higher purity.
Utility model content
The purpose of this utility model is to provide a kind of graphite high temperature purification devices, pass through the purifying plant and corresponding work
Process can obtain the graphite of 99.99% or more purity, and low energy consumption, refining effect is good.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of graphite high temperature purification device, including horizontally disposed heating furnace, heating furnace entrance are logical equipped with vertical charging
Road, feeding-passage bottom are equipped with the graphite feed device towards heating furnace entrance, and it is logical that furnace outlet is connected with vertical discharging
Road；Bottom is laid with graphite plate in the furnace of the heating furnace, carrying platform of the graphite plate as graphite powder in heating furnace,
The purity of graphite plate is 99.99% or more, and the furnace roof of heating furnace is equipped with one group of plasma torch, and plasma gun is along heating furnace
Axially spaced-apart distribution, the nozzle of plasma gun protrude into heating furnace；The furnace wall of heating furnace entrance side is equipped with air inlet pipe, air inlet pipe
Outer end be connected with inert gas injection pump；The side of the tapping channel is respectively equipped with escape pipe and vacuum-pumping tube, escape pipe
Inner end be connected with tapping channel side, the outer end of escape pipe is connected with；The inner end of vacuum-pumping tube and tapping channel side phase
It is connected to, the outer end of vacuum-pumping tube is connected with vacuum pump；Tapping channel bottom is from top to bottom successively arranged cooling chamber and discharge port.
Further, the graphite feed device includes horizontally disposed cylinder, and it is vertical that the piston rod of cylinder is connected with
Push plate when the piston rod of cylinder is flexible, makes graphite powder of the reciprocating propulsion of push plate on graphite plate.
Further, the heating furnace includes shell, and the inner wall of shell is equipped with graphite felt liner.
Further, the cooling chamber includes inner casing and shell, forms cooling chamber between inner casing and shell, leads in cooling chamber
Enter recirculated cooling water.
The utility model has the beneficial effects that spraying into plasma flame into heating furnace using plasma gun, utilize
The high temperature that 2400 DEG C~3000 DEG C of plasma flame directly heats graphite powder, keeps the impurity in graphite powder abundant
Gasification, to achieve the purpose that purify graphite；Present apparatus structure is simple, heating is rapid, can make graphite powder primary purification
The mass content of carbon reaches 99.99% or more afterwards, and low energy consumption, refining effect is good.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the side view enlarged diagram of the utility model heating furnace.
Specific embodiment
As shown in Figure 1, the utility model provides a kind of graphite high temperature purification device, including horizontally disposed heating furnace 1, add
1 entrance of hot stove is equipped with vertical feeding-passage 2, and 2 bottom of feeding-passage is equipped with the graphite feed device towards heating furnace entrance, adds
The outlet of hot stove 1 is connected with vertical tapping channel 3；Bottom is laid with graphite plate 4 in the furnace of heating furnace 1, and graphite plate 4 is used as graphite
The carrying platform of powder raw material in heating furnace, the purity of graphite plate 4 are 99.99% or more；The furnace roof of heating furnace 1 is equipped with one group etc.
Ion spray gun body 5, plasma gun 5 are distributed along 1 axially spaced-apart of heating furnace, and the nozzle of plasma gun 5 protrudes into heating furnace；Add
The furnace wall of 1 entrance side of hot stove is equipped with air inlet pipe 6, and the outer end of air inlet pipe 6 is connected with inert gas injection pump 7；The tapping channel 3
Side be respectively equipped with escape pipe 8 and vacuum-pumping tube 9, the inner end of escape pipe 8 is connected with 3 side of tapping channel, escape pipe 8
Outer end is connected with air-introduced machine 10；The inner end of vacuum-pumping tube 9 is connected with 3 side of tapping channel, the outer end of vacuum-pumping tube 9 is connected with
Vacuum pump 11；3 bottom of tapping channel is from top to bottom successively arranged cooling chamber and discharge port 13.
Cooling chamber includes inner casing 12a and shell 12b, and cooling chamber 12c, shell 12b are formed between inner casing 12a and shell 12b
It is equipped with water inlet 12d and water outlet 12e, circulating cooling is passed through into cooling chamber 12c by water inlet 12d and water outlet 12e
Water.
Preferably, the side of graphite plate 4 extends to feeding-passage 2, the other side of graphite plate 4 extends to tapping channel
3 middle parts.The graphite feed device can be using existing various conventional feed devices, such as feed screw etc., this reality
The graphite feed device for applying example includes horizontally disposed cylinder 14, and the piston rod 15 of cylinder 14 is connected with vertical push plate 16, gas
When the piston rod 15 of cylinder 14 stretches, make graphite powder of the reciprocating propulsion of push plate 16 on graphite plate 4.As shown in connection with fig. 2, make
To be preferred, heating furnace 1 includes shell 1a, and the inner wall of shell 1a is equipped with graphite felt liner 1b.
When the present apparatus is purified, following steps progress can be used:
S1, first graphite powder are fallen by feeding-passage 2 on the graphite plate 4 before heating furnace entrance, open vacuum pump 11
To vacuumizing in heating furnace 1, inert gas is then passed through into heating furnace 1 by inert gas injection pump 7, inert gas is optional
Argon gas or nitrogen are selected, pressure in heating furnace 1 is made to be restored to atmospheric pressure；
S2, starting cylinder 14, enable the piston rod 15 of cylinder 14 flexible, make the reciprocating propulsion of push plate 16 in graphite plate 4
On graphite powder, so that graphite powder be made constantly to move into heating furnace 1；At the same time, plasma spray is opened
Rifle 5 and air-introduced machine 10, plasma torch 5 during graphite powder is advanced, constantly spray temperature 2400 DEG C~
3000 DEG C of plasma flame, plasma flame directly heat graphite powder, fill the impurity in graphite powder
Divide gasification, the gas for generation of gasifying is discharged via escape pipe 8；
S3, graphite powder fall into tapping channel 3 after purification processes, enter back into cooling chamber 12, and cooling chamber 12 passes through
Recirculated cooling water is cooling, and cooling of the heat exchange realization to graphite powder is generated when inert gas drives graphite powder to pass through cooling chamber 12；
S4, graphite powder after cooling are collected by discharge port 13.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation；Anyone skilled in the art, it is all available in the case where not departing from technical solutions of the utility model ambit
The methods and technical content of the disclosure above makes many possible changes and modifications to technical solutions of the utility model, or is revised as
The equivalent embodiment of equivalent variations.Therefore, all contents without departing from technical solutions of the utility model, according to the utility model
Technical spirit any simple modification, equivalent replacement, equivalence changes and modification made to the above embodiment are still fallen within practical
In the range of the protection of new technique scheme.
Claims (4)
1. a kind of graphite high temperature purification device, which is characterized in that including horizontally disposed heating furnace, heating furnace entrance is equipped with vertical
Feeding-passage, feeding-passage bottom is equipped with the graphite feed device towards heating furnace entrance, and furnace outlet is connected with vertically
Tapping channel；In the furnace of the heating furnace bottom is laid with graphite plate, graphite plate as graphite powder in heating furnace
Carrying platform, the purity of graphite plate are 99.99% or more, and the furnace roof of heating furnace is equipped with one group of plasma torch, plasma gun
It is distributed along heating furnace axially spaced-apart, the nozzle of plasma gun protrudes into heating furnace；The furnace wall of heating furnace entrance side is equipped with air inlet
Pipe, the outer end of air inlet pipe is connected with inert gas injection pump；The side of the tapping channel is respectively equipped with escape pipe and vacuumizes
Pipe, the inner end of escape pipe is connected with tapping channel side, the outer end of escape pipe is connected with air-introduced machine；The inner end of vacuum-pumping tube with
Tapping channel side is connected, the outer end of vacuum-pumping tube is connected with vacuum pump；Tapping channel bottom is from top to bottom successively arranged cold
But room and discharge port.
2. a kind of graphite high temperature purification device according to claim 1, which is characterized in that the graphite feed device includes
Horizontally disposed cylinder, the piston rod of cylinder is connected with vertical push plate makes push plate is reciprocating to push away when the piston rod of cylinder is flexible
Into the graphite powder on graphite plate.
3. a kind of graphite high temperature purification device according to claim 1, which is characterized in that the heating furnace includes shell,
The inner wall of shell is equipped with graphite felt liner.
4. a kind of graphite high temperature purification device according to claim 1, which is characterized in that the cooling chamber include inner casing with
Shell forms cooling chamber, is passed through recirculated cooling water in cooling chamber between inner casing and shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821030993.7U CN208471548U (en) | 2018-07-02 | 2018-07-02 | A kind of graphite high temperature purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821030993.7U CN208471548U (en) | 2018-07-02 | 2018-07-02 | A kind of graphite high temperature purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208471548U true CN208471548U (en) | 2019-02-05 |
Family
ID=65212422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821030993.7U Active CN208471548U (en) | 2018-07-02 | 2018-07-02 | A kind of graphite high temperature purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208471548U (en) |
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2018
- 2018-07-02 CN CN201821030993.7U patent/CN208471548U/en active Active
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