CN206940437U - A kind of fluorographite pipe reaction stove - Google Patents
A kind of fluorographite pipe reaction stove Download PDFInfo
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- CN206940437U CN206940437U CN201720866424.5U CN201720866424U CN206940437U CN 206940437 U CN206940437 U CN 206940437U CN 201720866424 U CN201720866424 U CN 201720866424U CN 206940437 U CN206940437 U CN 206940437U
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- heater
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Abstract
The utility model is related to a kind of fluorographite pipe reaction stove, and it includes body of heater, is followed successively by gas mixer chamber, lower filter layer, reaction chamber and upper filter layer in the body of heater from down to up；The gas mixer chamber bottom is respectively equipped with nitrogen inlet and fluorine gas import；The lower filter layer and upper filter layer are sintering sieves；Heater is provided with the outside of the reaction chamber；Atmospheric valve is provided with the top of the body of heater.The utility model graphite and fluorine gas are more abundant, and fluorination efficiency is high.Graphite is arbitrarily stacked in reacting furnace, adds graphite linings thickness, and reaction chamber utilization rate is high, is improved per furnace output.In production process, per stove after fluorination, discharging and replacing virgin material feed supplement process, body of heater need not stop heating.Not blowing out continuous production is realized, improves operating efficiency.
Description
Technical field
The utility model belongs to technical field of fluorine chemical industry, and in particular to one kind is used in produce fluorographite technique
The fluorographite pipe reaction stove of conversion production fluorographite.
Background technology
At present in industrial production, the preparation method of fluorographite is mainly that fluorine gas carries out fluorine with graphite in high temperature reaction stove
Change reaction.Existing Graphite fluorination reacting furnace is horizontal chamber furnace (oven), and raw graphite, which is spread out, to be placed in pipe, and reactor has heater, will
Raw material is heated to requiring temperature.Fluorine gas enters from one end, reacts generation fluorographite at high temperature with graphite.The reacting furnace is present
Problems with：1) fluorine gas conversion ratio is not high, due to horizontal placement, fluorine gas from graphite linings upper space by, only with graphite table
Layer contact, occurs fluorination reaction.Quite a few fluorine gas does not reach with raw material, is just removed from gas-phase space, reduces fluorine gas
Conversion ratio.2) reacting furnace utilization rate is not high, terminates from fluorination reaction in terms of rear reaction effect, is deposited in the generation fluorographite on upper strata
Color is whiter, and because lower floor does not reach, or contact fluorine gas is less, and the fluorographite color of generation is more grey or even black.Therefore,
In order to ensure product quality, reacting furnace is in placing graphite, it is desirable to which the graphite linings thickness of laying is as relatively thin as possible, causes reaction
Space availability ratio is not high in chamber, and reaction furnace output is difficult to be lifted.3) it is cumbersome because feed product graphite requires in stove
Thin layer is placed, therefore the form reacting furnace can only carry out gap operating., it is necessary to first stop to heat when changing raw material per stove,
Take charge door flange apart, reaction boat is taken out, lays down product, meticulous reacts raw graphite, very thin being laid in boat, then
Reaction boat is reentered into fluorination stove, fluorine gas carries out fluorination reaction with graphite in boat is reacted.Cumbersome, operating efficiency is low.
The content of the invention
The purpose of this utility model is the deficiency for existing Graphite fluorination stove, there is provided a kind of fluorographite of new structure
Pipe reaction stove, make it compared with legacy equipment, it is possible to increase the conversion ratio of raw material, improve utilization rate of equipment and installations, improve simultaneously
The operating efficiency of Graphite fluorination reacting furnace, so as to be effectively reduced the production cost of fluorographite.
The purpose of this utility model and solve its technical problem and also realized using following technical scheme.It is new according to this practicality
Type propose a kind of fluorographite pipe reaction stove, it includes body of heater, be followed successively by from down to up in the body of heater gas mixer chamber 16,
Lower filter layer 15, reaction chamber 6 and upper filter layer 7；The bottom of gas mixer chamber 16 is respectively equipped with nitrogen inlet 2 and fluorine gas
Import 1；The lower filter layer 15 and upper filter layer 7 are sintering sieves；The outside of reaction chamber 6 is provided with heater 5；Institute
State the top of reaction chamber 6 and add mouth 12 provided with raw material；Discharge port 3 is additionally provided with the body of heater of the upside of lower filter layer 15；It is described
Atmospheric valve 10 is provided with the top of body of heater.
The purpose of this utility model and solve its technical problem can also be using following technical measures come further real
It is existing.
Foregoing fluorographite pipe reaction stove, wherein described raw material, which is added between the mouth of pipe and body of heater of mouth 12, inclination angle,
Preferably, the inclination angle is 45 degree.
Foregoing fluorographite pipe reaction stove, wherein the described outside of heater 5 is provided with heat-insulation layer 4.
Foregoing fluorographite pipe reaction stove, wherein being fixed with outside the heater 5 for measuring the intracavitary of reaction chamber 6
The inner chamber thermo detector 13 of temperature and the outer wall detecting temperature meter 14 of the measurement outside wall temperature of reaction chamber 6, the inner chamber thermo detector 13 and outer wall
Thermo detector 14 is connected with temperature control device 8, and the temperature control device 8 is also connected with heater 5.
Foregoing fluorographite pipe reaction stove, wherein being additionally provided with safety valve 9 at the top of described body of heater.
Foregoing fluorographite pipe reaction stove, wherein being additionally provided with the pressure for detecting furnace pressure outside described body of heater
Meter 11.
The utility model has clear advantage and beneficial effect compared with prior art.By above-mentioned technical proposal, sheet
Utility model fluorographite pipe reaction can reach suitable technological progress and practicality, and with the extensive utilization in industry
Value, it at least has following advantages：Sintered screen is divided into chamber, gas can pass through, and solid powder exists
In chamber, it is impossible to miss downwards, can not be blown.Fluorine gas inlet needs because of technique, it is impossible to too fast.To ensure to be fluorinated furnace chamber
Gas flow in room, is aided in nitrogen, accelerates into gas flow rate in chamber.After two kinds of gases mix in a mixer, ensure
Enter that the gas flow of fluorination chamber is enough, and to blow afloat powder raw material graphite be in suspension.Temperature control device ensure that fluorination temperature
Automatically control.Raw material charging valve is respectively provided with reaction chamber upper and lower part, product discharge valve, after completion of the reaction, is not required to
Cool operation, direct blowing, then feeds, and realizes continuous production.
To sum up：The utility model graphite and fluorine gas are more abundant, and fluorination efficiency is high.Graphite random heap in reacting furnace
Put, add graphite linings thickness, reaction chamber utilization rate is high, is improved per furnace output.In production process, per stove after fluorination,
Discharging and replacing virgin material feed supplement process, body of heater need not stop heating.Not blowing out continuous production is realized, improves operating efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model fluorographite pipe reaction stove.
【Main element symbol description】
1：Fluorine gas import
2：Nitrogen inlet
3：Discharge port
4：Heat-insulation layer
5：Heater
6：Reaction chamber
7：Upper filter layer
8:Temperature control device
9：Safety valve
10：Atmospheric valve
11：Pressure gauge
12：Raw material adds mouth
13：Inner chamber thermometric
14：Outer wall detecting temperature
15：Lower filter layer
16：Gas mixer chamber
Embodiment
Further to illustrate that the utility model is to reach the technological means and effect that predetermined goal of the invention taken, below
With reference to accompanying drawing and preferred embodiment, to according to the utility model proposes fluorographite pipe reaction stove its embodiment,
Structure, feature and its effect, describe in detail as after.
Referring to Fig. 1, it is a kind of structural representation of fluorographite pipe reaction stove of the utility model, the reacting furnace bag
Include：Body of heater, gas mixer chamber 16, lower filter layer 15, reaction chamber 16 and upper filter layer are followed successively by from down to up in the body of heater
7。
Nitrogen inlet 2 and fluorine gas import 1 are respectively equipped with the bottom wall body of gas mixer chamber 16, passes through nitrogen inlet 2
The nitrogen and fluorine gas entered with fluorine gas import 1 buffering and mixing in gas mixer chamber 16.
The lower filter layer 15 is a sintering sieves, and gas can pass through the micro-mesh, and raw material solid stone
Ink powder will not be spilt on the filter layer, adhered to or be deposited on filter layer.Enter fluorine nitrogen from fluorine gas import 1 and nitrogen inlet 2
The fluorine nitrogen of blender 16 blows afloat graphite powder after lower filter layer 15, it is in suspended state in reaction chamber 6.
Mouth 12 is added in the top of reaction chamber 6 provided with raw material, for the addition of graphite raw material, the raw material add mouthful at set
There is valve.The raw material, which is added between the mouth of pipe and body of heater of mouth 12, inclination angle, is easy to material to supplement in time into furnace chamber.Preferably
, the inclination angle is 45 °.
The outside of reaction chamber 6 is provided with heater 5.Reaction chamber 6 is heated to after needing temperature by heater 5, fluorine
Fluorination reaction occurs in the chamber for gas and the graphite powder of suspended state.Preferably, heat-insulation layer 4 is arranged with outside the heater 5, but simultaneously
It is not limited to this.For the temperature inside and outside monitoring and controlling reaction chamber 6, it is fixed with respectively outside heater 5 for measuring reaction chamber
The inner chamber thermo detector 13 of the cavity temperature of room 6 and the outer wall detecting temperature meter 14 of the measurement outside wall temperature of reaction chamber 6；The inner chamber thermo detector
13 and outer wall detecting temperature meter 14 be connected with temperature control device 8, the temperature control device 8 is also connected with heater 5, and temperature control device 8 is by interior
Chamber thermo detector 13 and outer wall detecting temperature meter 14 measure the temperature inside and outside reaction chamber, then by controlling heater 5, reach automatic tune
Whole, control reaction chamber temperature purpose, makes the temperature of reaction chamber be constantly in suitable state.
The upper filter layer 7 is equally a sintering sieves.Filter layer 7 to ensure the solids in fluorination stove on this
Material is in chamber 6, tail gas after completion of the reaction, and logical upper filter layer 7 escapes.
Atmospheric valve 10 and safety valve 9 are provided with the top of the body of heater, atmospheric valve 10 is used for the discharge of tail gas, and safety valve 9 is used to protect
Demonstrate,prove the safety of reacting furnace.
Preferably, the outside of body of heater 1 is additionally provided with the pressure gauge 11 for detecting furnace pressure.
The utility model fluorographite pipe reaction stove is additionally provided with discharge port 3, the discharge for reacting rear material.It is described to unload
Material mouth 3 is located on the upside of lower filter layer, and is additionally provided with discharge valve at the discharge port 3.
The utility model is illustrated below by way of specific embodiment.
In a body of heater Φ 57 × 2500 tubular type fluorination stove, 6g is added, the crystalline graphite powder of 400 mesh loads tubular type fluorine
Change in stove, when furnace temperature rises to technological requirement, be passed through fluorine gas, nitrogen enters reaction chamber, the graphite powder in reaction chamber on bed
Blown afloat, in suspended state, fluorine gas, nitrogen in uphill process, fully contact, at high temperature with the graphite powder of suspension from bottom to up
Generation fluorination reaction.Reacted tail gas is vented after upper level filter layer by the atmospheric valve of furnace roof.Reaction finishes, pass fluorine gas,
Nitrogen valve, baiting valve is opened, discharge the fluorographite powder in reaction chamber and obtain 10.2g fluorographites, detect fluorographite
Performance indications are as follows：
Table 1：Pipe reaction stove fluorographite testing result
It is described above, only it is preferred embodiment of the present utility model, not the utility model is done any formal
Limitation, although the utility model is disclosed above with preferred embodiment, but be not limited to the utility model, it is any ripe
Professional and technical personnel is known, is not being departed from the range of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, according to the technical essence of the utility model to any simple modification, equivalent change and modification made for any of the above embodiments, still
Belong in the range of technical solutions of the utility model.
Claims (6)
1. a kind of fluorographite pipe reaction stove, it includes body of heater, it is characterised in that：
Gas mixer chamber (16), lower filter layer (15), reaction chamber (6) and upper filter layer are followed successively by the body of heater from down to up
(7)；
Gas mixer chamber (16) bottom is respectively equipped with nitrogen inlet (2) and fluorine gas import (1)；
The lower filter layer (15) and upper filter layer (7) are sintering sieves；
Heater (5) is provided with the outside of the reaction chamber (6)；
Mouth (12) is added provided with raw material in reaction chamber (6) top；
Discharge port (3) is additionally provided with body of heater on the upside of the lower filter layer (15)；
Atmospheric valve (10) is provided with the top of the body of heater.
2. fluorographite pipe reaction stove according to claim 1, it is characterised in that wherein described raw material adds mouth
(12) there are 45 degree of inclination angles between the mouth of pipe and body of heater.
3. fluorographite pipe reaction stove according to claim 1, it is characterised in that wherein described heater (5) is outside
Side is provided with heat-insulation layer (4).
4. fluorographite pipe reaction stove according to claim 1, it is characterised in that wherein described heater (5) is outside
It is fixed with the inner chamber thermo detector (13) for measuring reaction chamber (6) cavity temperature and measures reaction chamber (6) outside wall temperature
Outer wall detecting temperature meter (14).
5. fluorographite pipe reaction stove according to claim 1, it is characterised in that also set at the top of wherein described body of heater
There is safety valve (9).
6. fluorographite pipe reaction stove according to claim 1, it is characterised in that be additionally provided with outside wherein described body of heater
For detecting the pressure gauge (11) of furnace pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720866424.5U CN206940437U (en) | 2017-07-17 | 2017-07-17 | A kind of fluorographite pipe reaction stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720866424.5U CN206940437U (en) | 2017-07-17 | 2017-07-17 | A kind of fluorographite pipe reaction stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206940437U true CN206940437U (en) | 2018-01-30 |
Family
ID=61368912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720866424.5U Active CN206940437U (en) | 2017-07-17 | 2017-07-17 | A kind of fluorographite pipe reaction stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206940437U (en) |
-
2017
- 2017-07-17 CN CN201720866424.5U patent/CN206940437U/en active Active
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