CN106829950A - The power-economizing method and device of a kind of cascade graphitizing furnaces - Google Patents
The power-economizing method and device of a kind of cascade graphitizing furnaces Download PDFInfo
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- CN106829950A CN106829950A CN201710079730.9A CN201710079730A CN106829950A CN 106829950 A CN106829950 A CN 106829950A CN 201710079730 A CN201710079730 A CN 201710079730A CN 106829950 A CN106829950 A CN 106829950A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The invention discloses the power-economizing method and device of a kind of cascade graphitizing furnaces, the method is to do carrier using air, the heat after graphitizing process will be completed by air blower to the air that normal temperature is blown into air flue, air after air flue by that will be heated, take away a large amount of heat energy, so as to be cooled to the material completed after graphitizing process, the air feeding new clothes material that a large amount of heat energy are carried after being heated needs to carry out in graphited space for collecting ashes in a stove air flue, low-temperature material to that need to heat is preheated, and reduces the power consumption needed for low-temperature material energization heats up.Met by the device of the power-economizing method and waste heat is back in technical process, accelerate high-temperature material cooling velocity, so as to reduce the space for collecting ashes in a stove quantity for building configuration, can quickly improve new clothes material initial temperature.With simple structure, heating power consumption is saved, floor space is small, save equipment and construction investment, realize the cooling of cascade graphitizing furnaces high-temperature material and the secondary utilization of heat, energy saving and improve production efficiency.
Description
Technical field
It is specifically a kind of section of cascade graphitizing furnaces the present invention relates to the technical field of waste heat utilization of graphitizing furnace
Can method and device.
Background technology
Graphitizing furnace is used to produce steel-making carbon anode material, cell negative electrode material, carbon fiber, graphite heat conducting material, earthenware
The special carbon material product such as crucible, carburizer, carbon composite, in the electric furnace of all types of industries, can consume substantial amounts of charcoal element
Electrode（It is made up of carbon raw materials such as coal, Jiao, typically into cylindric, from tens millimeters to thousands of millimeters, length is from hundreds of millis for diameter
Rice arrives thousands of millimeters）, many technological requirements place high needs to use graphite electrode, to reduce resistance, reduce export license.Stone
The manufacture of electrode ink, is made after using cascade graphitizing furnaces, common carbon electrode is processed through high temperature graphitization.In carbon
Material --- need to consume the substantial amounts of energy in the production of graphite product, the expense of energy consumption accounts for the 30% of carbon product production cost
~40% or so, and the graphitization process in charcoal element production process, even more one rich and influential family of energy resource consumption.
The operation principle of cascade graphitizing furnaces is：In tens of rice bar shaped space for collecting ashes in a stove long, columnar electrode to be processed is put into,
Many electrodes join end to end into the series connection electrode group of a strip, the thinner electrode of diameter also can " product " font stack into three or many
Bar series connection electrode group；Electrode group is covered tight with filling coke powder, makes electrode not exposed in atmosphere, also had after follow-up intensification and protect
Temperature effect；Then direct current pole plate is crimped at electrode group two ends, the electrode group of series connection is continued heating power.When temperature reaches
At more than 3000 DEG C, the molecular structure of electrode carbon raw materials changes, that is, be changed into graphite material.This large-scale space for collecting ashes in a stove concatenation electricity
Pole electrified regulation makes the graphited equipment of carbon material, is known as " cascade graphitizing furnaces ".General cascade graphitizing furnaces are powered and rise
The electrode that temperature completes to need the time about to form degree more than 2000 at 16 hours or so, but after graphitization to graphitization can not be immediately
Exposure in atmosphere, can otherwise be oxidized into substandard product, and need to be cooled to uniform temperature can just come out of the stove, it is to avoid product oxygen
Change, temperature fall time is then up to 7 days or so.Conventional cascade graphitizing furnaces are general by a plurality of space for collecting ashes in a stove parallel arranged, one of stove
When graphitizing process is carried out, another space for collecting ashes in a stove can feed preparations in hole, and the completion of another space for collecting ashes in a stove discharges, and other 7~8 groups of space for collecting ashes in a stoves
All cooling.This conventional cascade graphitizing furnaces have following not enough and shortcoming：
1st, every group of graphitizing furnace is generally required and is provided with 10~12 space for collecting ashes in a stoves（1 fills, 1 goes out, 1 produces, 7~8 cool down, 1~2 maintenance is standby
With）, using U-shaped furnace structure, each furnace chamber 28~50m long, 2 meters wide or so（Containing partition wall）, then every group of graphitizing furnace take up an area width
More than 24 meters, passage etc. is added, factory building width is up to 30 meters or so.It can be seen that it takes up an area big, and large span factory building its soil when building
Build high with construction cost.Further, since furnace chamber is initially powered up graphitization from normal temperature, electric power feeding time is long, every group of product of graphitizing furnace
Can be small, therefore the investment of ton product factory building is big.
2nd, in the space for collecting ashes in a stove after the completion of each graphitization, electrode has tens of tons or so plus filled mulch, its temperature
Up to more than 2000 degree left and right.The heat energy that such high-temperature material is then enriched with is quite a lot of, after after natural cooling, these heat-energy losses
Totally, heat-energy losses are huge.
3rd, take the natural type of cooling time long, to be cooled cannot the circulation such as a large amount of space for collecting ashes in a stoves is put into production, and has a strong impact on life
Produce efficiency.
Therefore, it is necessary to seek a kind of brand-new power-economizing method and device for graphitizing furnace, cooling is shortened to reach
Time and UTILIZATION OF VESIDUAL HEAT IN, improve the purpose of its production line production capacity.
The content of the invention
For the problem that background technology is present, it is an object of the invention to provide a kind of heat energy recovery in production technology, to add
The cooling velocity of fast high-temperature material, reduces and takes space for collecting ashes in a stove quantity, so that the space for collecting ashes in a stove quantity for building configuration is reduced, so as to quick raising
New clothes material initial temperature is so as to reduce heating power consumption, reduce and take up an area the method and device for reducing construction investment, and the method is abundant
Carrier is done using air, by heat energy recovery in production technology, to save energy consumption, accelerate cooling, solves what prior art was present
Defect problem, realizes the cooling of high-temperature material and the secondary utilization of heat, specifically a kind of energy-conservation of cascade graphitizing furnaces
Method and device.
In order to solve the above technical problems, the technical solution adopted in the present invention is：A kind of energy-saving square of cascade graphitizing furnaces
Method, the method is to do carrier using air, and the heat in graphitization space for collecting ashes in a stove that a group has been completed after graphitizing process passes through
, to the air stream that normal temperature is blown into hollow partition and the air flue of base plate connection, air stream is by after the air flue of tortuous insertion for air blower
To be heated, take away a large amount of heat energy, and the material completed after graphitizing process is cooled；Big calorimetric is carried after being heated
The air of energy, being re-fed into another group of new clothes material by pipeline needs to carry out the air flue that graphited space for collecting ashes in a stove partition wall and base plate are connected
Interior, the heat that air is carried will carry out pre-heating temperature elevation to the low-temperature material that need to be heated by hollow partition and base plate, improve new clothes
The initial temperature of material, accelerates the power consumption needed for the cooling of high temperature material, the material energization of reduction low temperature heat up.
Further, the power-economizing method of described a kind of cascade graphitizing furnaces, wherein described completed graphitizing process
Graphitization space for collecting ashes in a stove afterwards and new clothes material need to carry out graphited space for collecting ashes in a stove quantity to match, and the air flue of tortuous insertion and connect with it
Logical pipeline constitutes airflow circuit, and the pipeline that setting valve is communicated therewith at the air inlet/outlet of each space for collecting ashes in a stove passes through
Valve is selectively connected, the regulation of the blower air quantity, heat-exchange temperature and time by DCS or PLC control system realize from
Dynamic control, and valve transfer, air quantity regulation, process monitoring and data recording process are controlled by microcomputer.
A kind of device of the power-economizing method of cascade graphitizing furnaces, including graphitizing furnace body, also including space for collecting ashes in a stove partition wall, bottom
Plate, air flue, air inlet/outlet, high-temperature-resistant stop valve, high-temperature resistant pipeline, high temperature resistant coupling cock, air blower, the space for collecting ashes in a stove partition wall and bottom
Plate is at least more than two, and the space for collecting ashes in a stove partition wall and back-plane design are in hollow form structure, multigroup stove in hollow form structure
Hole partition wall and base plate form the air flue of tortuous insertion, and external air inlet/outlet is provided with the body of heater two ends of graphitizing furnace body,
High-temperature-resistant stop valve is configured with the air inlet/outlet, the air inlet/outlet of the space for collecting ashes in a stove of all graphitizing furnaces uses high-temperature resistant pipeline phase
UNICOM, is configured with high temperature resistant coupling cock on high-temperature resistant pipeline, and high-temperature resistant pipeline forms a complications with the air flue of multigroup insertion
Connection gas circuit, be furnished with Wind Volume air blower at the high-temperature resistant pipeline 6 of connection gas circuit one end, the other end is furnished with outer comb, institute
Stating outer comb can connect afterheat utilizing system or exhaust chimney.
Further, the device of the power-economizing method of the cascade graphitizing furnaces, wherein the space for collecting ashes in a stove partition wall and base plate are used
High temperature resistant heat storage Heat Conduction Material is manufactured.
Using the power-economizing method and device of cascade graphitizing furnaces of the invention, carrier is done using air, graphitization will be completed
Heat after process by air blower to the air that normal temperature is blown into air flue, by that will be heated after air flue take away a large amount of by air
Heat energy, so as to be cooled to the material completed after graphitizing process, carries the air feeding new clothes of a large amount of heat energy after being heated
Material is needed to carry out in graphited space for collecting ashes in a stove air flue, and the low-temperature material to that need to heat is preheated, and is reduced low-temperature material energization and is risen
Power consumption needed for temperature.Met by the device of the power-economizing method and waste heat is back in technical process, accelerate high-temperature material
Cooling velocity, so as to reduce the space for collecting ashes in a stove quantity for building configuration, can quickly improve new clothes material initial temperature.With simple structure,
Heating power consumption is saved, floor space is small, save equipment and construction investment.Compared with prior art, cascade graphitizing furnaces are realized
The cooling of high-temperature material and the secondary utilization of heat, energy saving and improve production efficiency.Specifically beneficial effect is：
1st, for the electrified regulation initial temperature of conventional every graphitizing furnace of cascade graphitizing furnaces, by contrast from it is past often
Temperature carries out heater riser to 1000 DEG C, and graphitization product per ton can reduce more than power consumption 1500kWh.
2nd, the high-temperature material cool time of graphitization production is completed from past natural cooling 7 days, is reduced within 5 days.
And every group of cooling of graphitizing furnace takes space for collecting ashes in a stove quantity and 5, the configuration space for collecting ashes in a stove of whole group graphitizing furnace can be reduced to from 7~8
Quantity can reduce 2~3.So as to equipment one-time investment more than 15% can be reduced.
3rd, because space for collecting ashes in a stove quantity is reduced, battlefield area 20% can be reduced, further reduces civil engineering construction investment.
4th, after using air heat-exchange, waste heat from tail gas can very easily be collected and reused, moreover it is possible to be played into one
The energy-saving effect of step.
5th, whole operation process can be adjusted and be controlled by DCS or PLC control system, so as to realize Full-automatic cutting
Change, adjust, monitoring and data record.High degree of automation, process control safety reliability can substantially reduce labor strength.
Brief description of the drawings
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the invention.
Shown in figure：1- space for collecting ashes in a stoves partition wall, 2- base plates, 3- air flues, 4- air inlet/outlets, 5- high-temperature-resistant stop valves, 6- high temperature resistants
The outer comb of pipeline, 7- high temperature resistants coupling cock, 8- air blowers, 9-.
Specific embodiment
To further illustrate inventive concept of the invention, below with reference to accompanying drawing specific embodiment of the invention is made into
One step explanation：
A kind of power-economizing method of cascade graphitizing furnaces, the method is to do carrier using air, after graphitizing process has been completed
Graphitization space for collecting ashes in a stove in the air flue that is connected to hollow partition and base plate by air blower of heat in be blown into the air stream of normal temperature, it is empty
Air-flow takes away a large amount of heat energy by that will be heated after the air flue of tortuous insertion, makes the material completed after graphitizing process cold
But lower the temperature, carrying the air of a large amount of heat energy after being heated, then send into another group of new clothes material by pipeline needs to carry out graphitization
Space for collecting ashes in a stove partition wall and base plate connection air flue in, the heat that air is carried will pass through hollow partition and base plate to the low temperature that need to heat
Material is preheated, and reduces the power consumption needed for low-temperature material energization heats up.
Further, the power-economizing method of described a kind of cascade graphitizing furnaces, wherein described completed graphitizing process
Graphitization space for collecting ashes in a stove afterwards and new clothes material need to carry out graphited space for collecting ashes in a stove quantity to match, and the air flue of tortuous insertion and connect with it
Logical pipeline constitutes airflow circuit, and the pipeline that setting valve is communicated therewith at the air inlet/outlet of each space for collecting ashes in a stove passes through
Valve is selectively connected, the regulation of the blower air quantity, heat-exchange temperature and time by DCS or PLC control system realize from
Dynamic control, and valve transfer, air quantity regulation, process monitoring and data recording process are controlled by microcomputer.
In actual application, the quantity of space for collecting ashes in a stove has completed the stone after graphitizing process at least including more than two
Inkization space for collecting ashes in a stove and new clothes material need to carry out graphited space for collecting ashes in a stove quantity to match, while corresponding air flue between each group graphitizing furnace
Constitute air stream or gas flow loop with the pipeline that connects, at the same set at the air inlet/outlet of each space for collecting ashes in a stove valve with
The pipeline of its connection is selectively connected by valve, so as to constitute air stream or gas flow loop.Wherein blower air quantity
Regulation, heat-exchange temperature and the control of time, then can be detected by ordinary temperature, pressure and flow instrument, entirely be controlled
Journey can be adjusted and be controlled by DCS or PLC control system, and automatic switchover, the air quantity regulation of air blower, mistake to valve
Range monitoring and data recording process are controlled by microcomputer, so as to realize Automatic Control.
As shown in figure 1, a kind of device of the power-economizing method of cascade graphitizing furnaces, including graphitizing furnace body, also including stove
Hole partition wall 1, base plate 2, air flue 3, air inlet/outlet 4, high-temperature-resistant stop valve 5, high-temperature resistant pipeline 6, high temperature resistant coupling cock 7, air blower
8, the space for collecting ashes in a stove partition wall 1 and base plate 2 are at least more than two, and the space for collecting ashes in a stove partition wall 1 and the design of base plate 2 are in hollow form knot
Structure, multigroup space for collecting ashes in a stove partition wall 1 and base plate 2 in hollow form structure forms the air flue 3 of tortuous insertion, in the body of heater of graphitizing furnace body
Two ends are provided with external air inlet/outlet 4, and high-temperature-resistant stop valve 5, the stove of all graphitizing furnaces are configured with the air inlet/outlet 4
The air inlet/outlet 4 in hole is connected with high-temperature resistant pipeline 6, and high temperature resistant coupling cock 7, high temperature resistant are configured with high-temperature resistant pipeline 6
Pipeline 6 forms a connection gas circuit for complications with the air flue 3 of multigroup insertion, matches somebody with somebody at the high-temperature resistant pipeline 6 of connection gas circuit one end
There is Wind Volume air blower 8, the other end is furnished with outer comb 9, and the outer comb 9 can connect afterheat utilizing system or exhaust chimney.
Further, the space for collecting ashes in a stove partition wall 1 and base plate 2 are using the manufacture of high temperature resistant heat storage Heat Conduction Material.
In actual application, production capacity that can be according to actual needs is designed space for collecting ashes in a stove partition wall and base plate by the volume of space for collecting ashes in a stove
2 specification, air flue curved structure is determined by calculating optimal heat exchange efficiency, determines line size and valve model.And for choosing
Select blower air quantity and pressure, and other components parameter, be also to be selected by the volume of actual space for collecting ashes in a stove.
It is close that configuration high-temperature-resistant stop valve 5 at high-temperature resistant pipeline 6 and the air inlet/outlet 4 of high temperature resistant coupling cock 7 will be carried first
Envelope connection, the high-temperature-resistant stop valve 5 at air inlet/outlet 4 is tightly connected with the air inlet/outlet 4 of each space for collecting ashes in a stove partition wall 1, high-temperature resistant tube
Air blower 8 is installed in the one end in road 6, and the other end connects outer comb 9.So, the high temperature resistant at space for collecting ashes in a stove two ends is begun to pass through from air blower 8
Pipeline 6, air inlet/outlet 4, multigroup space for collecting ashes in a stove partition wall 1 and base plate 2 in hollow form structure form the air flue 3 of tortuous insertion, high temperature resistant
Pipeline 6 and multigroup air flue 3 form a connection gas circuit for complications, finally can directly can be to outer comb 9 from connection gas circuit.Its control
Method is carried out accordingly by the high-temperature-resistant stop valve 5 and high temperature resistant coupling cock 7 at the air inlet/outlet 4 for selecting each space for collecting ashes in a stove
Open or close to control, realize the gas channel of corresponding space for collecting ashes in a stove partition wall 1 and base plate 2 between insertion each group graphitizing furnace.
In specific implementation process, when needing to be cooled down and preheated, first by the turnover of high temperature space for collecting ashes in a stove and preheating space for collecting ashes in a stove
The high-temperature-resistant stop valve 5 arranged at gas port 4 is opened, the high temperature resistant coupling cock 7 in high-temperature resistant pipeline 6 between two space for collecting ashes in a stoves
Open, and by the valve closing of other space for collecting ashes in a stoves.Air stream, air inlet of the air from high temperature space for collecting ashes in a stove one end are produced by air blower 8
Enter into the air flue 3 of high temperature space for collecting ashes in a stove, the heat of high-temperature material is conducted by space for collecting ashes in a stove partition wall 1 and base plate 2 is transferred to air stream
In.In the presence of air blower 8, the air with heat of high temperature is entered into high temperature air stream from the gas outlet of the high temperature space for collecting ashes in a stove other end
In high-temperature resistant pipeline 6, entered into the air flue 3 of preheating space for collecting ashes in a stove through the air inlet of piping coupling cock 7 and preheating space for collecting ashes in a stove.By stove
The heat of high temperature air stream is conducted to preheating material by hole partition wall 1 and base plate 2, and the high temperature air stream after cooling enters back into high temperature resistant
Pipeline 6 is gone out finally by the dispatch of outer comb 9.In order to improve heat utilization efficiency, except by exchanged heat two space for collecting ashes in a stove gas
Road connection is outer, then by the corresponding valve Close All of other space for collecting ashes in a stoves, make hot-air without going past other space for collecting ashes in a stoves, it is ensured that highest exchanges heat
Utilization rate.
In actual application, by heat Balance Calculation, averagely can be heated to air stream by more than 3000 DEG C of material
More than 1400 DEG C, and this 1400 DEG C hot-air is when can the normal temperature material of the new shove charge of another seat be preheated, temperature can be with
Reach more than 1000 DEG C.Shown according to statistics in actual production process, if the material of a space for collecting ashes in a stove is out from normal temperature state
Begin to be powered, when being heated to 1000 DEG C, from normal temperature state power transmission graphitization, ton product power consumption is up to 4000kWh, since 1000 DEG C
Power transmission graphitization ton product power consumption is less than 2200kWh.After using method and device of the present invention, in heat energy recycle
While, the cooling of high-temperature material is also accelerated, conventional natural cooling needs at least 7 day time, can subtract with after the present invention
Cooling can be just completed within few to 5 days.When air stream is after preheating space for collecting ashes in a stove has been heated, exhaust temperature is still up to 400~500 DEG C
Left and right, factory residual heat utilization system is sent into after can also being collected by outer comb carries out secondary heat exchange energy-saving application.So
Utilization rate of waste heat can be further improved, enterprise's production capacity is reduced.
In application process is embodied, for the pairing of high temperature and low temperature space for collecting ashes in a stove, corresponding gas between each group graphitizing furnace
Road connects gas circuit with connecting pipe is formed, is that valve and connecting pipe at the air inlet/outlet of each space for collecting ashes in a stove are selected by taking
Valve open or close accordingly and carrys out control realization.The control of the regulation, heat-exchange temperature and time of blower air quantity, then may be used
Detected by ordinary temperature, pressure and flow instrument, whole control process can be adjusted by DCS or PLC control system
Section and control, so as to realize full-automatic switching, regulation, monitoring and data record.
Using the power-economizing method and device of cascade graphitizing furnaces of the invention, carrier is done using air, graphitization will be completed
Heat after process by air blower to the air that normal temperature is blown into air flue, by that will be heated after air flue take away a large amount of by air
Heat energy, so as to be cooled to the material completed after graphitizing process, carries the air feeding new clothes of a large amount of heat energy after being heated
Material is needed to carry out in graphited space for collecting ashes in a stove air flue, and the low-temperature material to that need to heat is preheated, and is reduced low-temperature material energization and is risen
Power consumption needed for temperature.Met by the device of the power-economizing method and waste heat is back in technical process, accelerate high-temperature material
Cooling velocity, so as to reduce the space for collecting ashes in a stove quantity for building configuration, can quickly improve new clothes material initial temperature.With simple structure,
Heating power consumption is saved, floor space is small, save equipment and construction investment.Compared with prior art, cascade graphitizing furnaces are realized
The cooling of high-temperature material and the secondary utilization of heat, energy saving and improve production efficiency.The present invention can be widely used in various
The serial graphitized furnace system of specification.
Protection scope of the present invention is not limited only to the technical scheme disclosed in specific embodiment, the foregoing is only this hair
Bright better embodiment, is not intended to limit the present invention, all any trickle amendments made according to technical scheme, equivalent
Replace and improve, should be included within the protection domain of technical solution of the present invention.
Claims (4)
1. a kind of power-economizing method of cascade graphitizing furnaces, it is characterised in that：The method is to do carrier using air, by one group
Complete to be blown in the air flue that heat in the graphitization space for collecting ashes in a stove after graphitizing process is connected to hollow partition and base plate by air blower
Enter the air stream of normal temperature, air stream takes away a large amount of heat energy, makes to have completed graphite by that will be heated after the air flue of tortuous insertion
Material after change process cools；The air of a large amount of heat energy is carried after being heated, another group of new clothes thing is re-fed into by pipeline
Material needs to carry out in the air flue that graphited space for collecting ashes in a stove partition wall and base plate are connected, and the heat that air is carried will be by hollow partition and bottom
Plate carries out pre-heating temperature elevation to the low-temperature material that need to be heated, and improves the initial temperature of new clothes material, accelerates the cooling of high temperature material, reduces
Power consumption needed for the energization intensification of low temperature material.
2. the power-economizing method of a kind of cascade graphitizing furnaces according to claim 1, it is characterised in that：It is described to have completed stone
Graphitization space for collecting ashes in a stove after blackization process and new clothes material need to carry out graphited space for collecting ashes in a stove quantity to match, the air flue of tortuous insertion
Airflow circuit is constituted with the pipeline for communicating therewith, and sets what valve was communicated therewith at the air inlet/outlet of each space for collecting ashes in a stove
Pipeline is selectively connected by valve, and the regulation of the blower air quantity, heat-exchange temperature and time control system by DCS or PLC
System realization is automatically controlled, and valve transfer, air quantity regulation, process monitoring and data recording process are controlled by microcomputer.
3. a kind of device of the power-economizing method of cascade graphitizing furnaces as claimed in claim 1, including graphitizing furnace body, it is special
Levy and be：Also include space for collecting ashes in a stove partition wall（1）, base plate（2）, air flue（3）, air inlet/outlet（4）, high-temperature-resistant stop valve（5）, high-temperature resistant tube
Road（6）, high temperature resistant coupling cock（7）, air blower（8）, the space for collecting ashes in a stove partition wall（1）And base plate（2）It is at least more than two, and institute
State space for collecting ashes in a stove partition wall（1）And base plate（2）Design is in hollow form structure, multigroup space for collecting ashes in a stove partition wall in hollow form structure（1）And base plate（2）
Form the air flue of tortuous insertion（3）, external air inlet/outlet is provided with the body of heater two ends of graphitizing furnace body（4）, it is described enter
Gas outlet（4）Place is configured with high-temperature-resistant stop valve（5）, the air inlet/outlet of the space for collecting ashes in a stove of all graphitizing furnaces（4）Use high-temperature resistant tube
Road（6）It is connected, in high-temperature resistant pipeline（6）On be configured with high temperature resistant coupling cock（7）, high-temperature resistant pipeline（6）With multigroup insertion
Air flue（3）A connection gas circuit for complications is formed, in the high-temperature resistant pipeline of connection gas circuit one end（6）It is furnished with Wind Volume air blower in place
（8）, the other end is equipped with outer comb（9）, the outer comb（9）Afterheat utilizing system or exhaust chimney can be connected.
4. the device of the power-economizing method of a kind of cascade graphitizing furnaces according to claim 3, it is characterised in that：The space for collecting ashes in a stove
Partition wall（1）And base plate（2）Manufactured using high temperature resistant heat storage Heat Conduction Material.
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| CN2016102328221 | 2016-04-15 | ||
| CN201610232822.1A CN105841500A (en) | 2016-04-15 | 2016-04-15 | Energy-saving method and device of lengthwise graphitization furnace |
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| CN106829950A true CN106829950A (en) | 2017-06-13 |
| CN106829950B CN106829950B (en) | 2018-10-23 |
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| CN201710079730.9A Active CN106829950B (en) | 2016-04-15 | 2017-02-15 | A kind of power-economizing method and device of cascade graphitizing furnaces |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108178155A (en) * | 2018-01-29 | 2018-06-19 | 山西沁新能源集团股份有限公司 | A kind of concatermer block form high temperature graphitization stove |
| CN108866575A (en) * | 2018-06-28 | 2018-11-23 | 百色皓海碳素有限公司 | The preparation method of graphite anode |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107445156A (en) * | 2017-09-28 | 2017-12-08 | 河北德厚节能科技有限公司 | A kind of graphitizing furnace with quick cooling and function of recovering waste heat |
| CN112479200A (en) * | 2020-12-24 | 2021-03-12 | 河南开炭新材料设计研究院有限公司 | Method for producing cathode material by using waste heat with co-firing |
| CN116951962B (en) * | 2023-08-10 | 2024-01-30 | 郑州丰毅新材料科技有限公司 | Graphitizing furnace, control system thereof and graphitizing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3058262U (en) * | 1998-10-06 | 1999-06-18 | 昭和エンジニアリング株式会社 | Electric resistance furnace smoke collector |
| CN101066760A (en) * | 2007-05-29 | 2007-11-07 | 蔡洵 | Heat treatment process of graphite powder in cascade graphitizing furnaces and its graphite crucible |
| CN201215445Y (en) * | 2008-06-04 | 2009-04-01 | 河北省能源研究所 | Flue type residue heat exchanging device for graphitization furnace |
| CN203807179U (en) * | 2014-04-13 | 2014-09-03 | 张茂勇 | Waste heat recovery, electricity generating and heat supply system of graphitization furnace |
-
2016
- 2016-04-15 CN CN201610232822.1A patent/CN105841500A/en active Pending
-
2017
- 2017-02-15 CN CN201710079730.9A patent/CN106829950B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3058262U (en) * | 1998-10-06 | 1999-06-18 | 昭和エンジニアリング株式会社 | Electric resistance furnace smoke collector |
| CN101066760A (en) * | 2007-05-29 | 2007-11-07 | 蔡洵 | Heat treatment process of graphite powder in cascade graphitizing furnaces and its graphite crucible |
| CN201215445Y (en) * | 2008-06-04 | 2009-04-01 | 河北省能源研究所 | Flue type residue heat exchanging device for graphitization furnace |
| CN203807179U (en) * | 2014-04-13 | 2014-09-03 | 张茂勇 | Waste heat recovery, electricity generating and heat supply system of graphitization furnace |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108178155A (en) * | 2018-01-29 | 2018-06-19 | 山西沁新能源集团股份有限公司 | A kind of concatermer block form high temperature graphitization stove |
| CN108866575A (en) * | 2018-06-28 | 2018-11-23 | 百色皓海碳素有限公司 | The preparation method of graphite anode |
| CN108866575B (en) * | 2018-06-28 | 2023-07-28 | 百色皓海碳素有限公司 | Preparation method of graphite anode |
Also Published As
| Publication number | Publication date |
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| CN105841500A (en) | 2016-08-10 |
| CN106829950B (en) | 2018-10-23 |
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