CN106829950B - A kind of power-economizing method and device of cascade graphitizing furnaces - Google Patents
A kind of power-economizing method and device of cascade graphitizing furnaces Download PDFInfo
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- CN106829950B CN106829950B CN201710079730.9A CN201710079730A CN106829950B CN 106829950 B CN106829950 B CN 106829950B CN 201710079730 A CN201710079730 A CN 201710079730A CN 106829950 B CN106829950 B CN 106829950B
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Classifications
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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 a kind of power-economizing method of cascade graphitizing furnaces and devices, this method is to do carrier using air, heat after completion graphitizing process is blown by air blower into air flue to the air of room temperature, air will be heated after air flue, take away a large amount of thermal energy, to cool to the material after completion graphitizing process, the air feeding new clothes material that a large amount of thermal energy are carried after being heated needs to carry out in graphited space for collecting ashes in a stove air flue, the low-temperature material that need to be heated is preheated, the power consumption that low-temperature material is powered needed for heating is reduced.Met by the device of the power-economizing method and waste heat is back in technical process, accelerate high-temperature material cooling velocity, to reduce the space for collecting ashes in a stove quantity for building configuration, can quickly improve new clothes material initial temperature.With simple in structure, heating power consumption is saved, floor space is small, saves equipment and construction investment, realizes the cooling of cascade graphitizing furnaces high-temperature material and the secondary use of heat, energy saving and improve production efficiency.
Description
Technical field
The present invention relates to the technical field of waste heat utilization of graphitizing furnace, are specifically a kind of sections of cascade graphitizing furnaces
It can method and device.
Background technology
Graphitizing furnace is for producing 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 can consume a large amount of charcoal element in the electric furnace of all types of industries
Electrode（It is made of carbon raw materials such as coal, cokes, generally at cylindric, diameter is from tens millimeters to thousands of millimeters, and length is from hundreds of millis
Rice arrives thousands of millimeters）, the high place of many technological requirements needs to use graphite electrode, to reduce resistance, reduce export license.Stone
The manufacture of electrode ink is that common carbon electrode is made after high temperature graphitization is handled using cascade graphitizing furnaces.In carbon
Material --- it needs to consume a large amount of energy in the production of graphite product, the expense of energy consumption accounts for about the 30% of carbon product production cost
~40% or so, and the graphitization process in charcoal element production process, the rich and influential family of even more one energy consumption.
The operation principle of cascade graphitizing furnaces is：In the long bar shaped space for collecting ashes in a stove of tens of rice, it is put into columnar electrode to be processed,
More 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 more
Item series connection electrode group；Electrode group is covered tightly with filling coke powder, keeps electrode not exposed in air, also has after follow-up heating and protects
Temperature effect；Then direct current pole plate is crimped at electrode group both ends, concatenated electrode group is made to continue heating power.When temperature reaches
At 3000 DEG C or more, the molecular structure of electrode carbon raw materials changes, that is, becomes graphite material.This large size 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, which are powered, to be risen
Temperature is completed to need the time about at 16 hours or so to graphitization, but the electrode spent 2000 is formed after being graphitized cannot be immediately more
Exposure in air, otherwise can be oxidized into substandard product, need to be cooled to certain temperature can just come out of the stove, and avoid product oxygen
Change, temperature fall time is then up to 7 days or so.Conventional cascade graphitizing furnaces are generally by a plurality of space for collecting ashes in a stove parallel arranged, one of stove
When carrying out graphitizing process, another space for collecting ashes in a stove can feed preparations in hole, another space for collecting ashes in a stove, which completes, to discharge, and other 7~8 groups of space for collecting ashes in a stoves
All cooling.This conventional cascade graphitizing furnaces have following insufficient and disadvantage：
1, every group of graphitizing furnace is generally required equipped with 10~12 space for collecting ashes in a stoves（1 fills, 1 goes out, 1 produces, 7~8 cool down, 1~2 inspection
It repaiies spare）, using U-shaped furnace structure, each furnace chamber grow 28~50m, wide 2 meters or so（Containing partition wall）, then every group of graphitizing furnace occupation of land
24 meters of width or more, in addition channel etc., workshop width is up to 30 meters or so.It can be seen that its take up an area it is big, and when large span workshop is built
Its civil engineering and construction cost are high.In addition, since furnace chamber from room temperature is initially powered up graphitization, electric power feeding time is long, every group of graphitizing furnace
Production capacity it is small, therefore the investment of ton product workshop is big.
2, in the space for collecting ashes in a stove after the completion of each graphitization, electrode has tens of tons or so, temperature plus filled mulch
Up to more than 2000 degree left and right.The thermal energy that such high-temperature material is then enriched with is quite a lot of, after natural cooling, these heat-energy losses
Totally, heat-energy losses are huge.
3, take the natural type of cooling time long, to be cooled can not recycle such as a large amount of space for collecting ashes in a stoves is put into production, and life is seriously affected
Produce efficiency.
Therefore, it is necessary to seek a kind of completely new power-economizing method and device for graphitizing furnace, shorten cooling to reach
Time and UTILIZATION OF VESIDUAL HEAT IN improve the purpose of its production line production capacity.
Invention content
For background technology there are the problem of, the object of the present invention is to provide a kind of heat energy recoveries in production technology, to add
The cooling velocity of fast high-temperature material, reduces and occupies space for collecting ashes in a stove quantity, to reduce the space for collecting ashes in a stove quantity for building configuration, quickly to improve
For new clothes material initial temperature to reduce heating power consumption, reduce and take up an area the method and device for reducing construction investment, this method is abundant
Carrier is done using air, by heat energy recovery in production technology, to save energy consumption, accelerate to cool down, is solved of the existing technology
Defect problem, realizes the cooling of high-temperature material and the secondary use of heat, specifically a kind of cascade graphitizing furnaces it is energy saving
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, this method are to do carrier using air, and the heat in graphitization space for collecting ashes in a stove that one group has been completed after graphitizing process is passed through
The air stream of room temperature is blown into the air flue that air blower is connected to hollow partition and bottom plate, air stream is after the air flue of complications perforation
It will be heated, take away a large amount of thermal energy, made to have completed the material after graphitizing process and cool；Big calorimetric is carried after being heated
The air of energy is re-fed into the air flue that another group of new clothes material needs to carry out graphited space for collecting ashes in a stove partition wall and bottom plate connection by pipeline
Interior, the heat that air carries will carry out pre-heating temperature elevation by hollow partition and bottom plate to the low-temperature material that need to be heated, and improve new clothes
The initial temperature of material accelerates the cooling of high temperature material, reduces the power consumption that low temperature material is powered needed for heating.
Further, the power-economizing method of 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 complications perforation and connect with it
Logical pipeline constitutes airflow circuit, and valve is arranged at the air inlet/outlet of each space for collecting ashes in a stove and leads to the pipeline communicated therewith
It crosses valve to be selectively connected to, adjusting, heat-exchange temperature and the time of the blower air quantity are realized by DCS or PLC control system
It automatically controls, and valve transfer, air quantity adjusting, process monitoring and data recording process is controlled by microcomputer.
A kind of device of the power-economizing method of cascade graphitizing furnaces, including graphitizing furnace ontology, further include 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 bottom plate form the air flue of tortuous perforation, and external air inlet/outlet is equipped at the furnace body both ends of graphitizing furnace ontology,
High-temperature-resistant stop valve is configured at the air inlet/outlet, the air inlet/outlet of the space for collecting ashes in a stove of all graphitizing furnaces is with high-temperature resistant pipeline phase
Unicom, is configured with high temperature resistant coupling cock on high-temperature resistant pipeline, and high-temperature resistant pipeline and the air flue of multigroup perforation form a complications
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
Afterheat utilizing system or exhaust chimney can be connected by stating outer comb.
Further, device of the present invention, wherein the space for collecting ashes in a stove partition wall and bottom plate use high temperature resistant heat storage heat conduction material
Material manufacture.
The power-economizing method and device of cascade graphitizing furnaces using the present invention, carrier is done using air, will complete to be graphitized
Heat after process is blown into the air of room temperature by air blower into air flue, and air will be heated after air flue, takes away a large amount of
Thermal energy, to cool to the material after completion graphitizing process, the air that a large amount of thermal energy are carried after being heated is sent into new clothes
Material needs to carry out in graphited space for collecting ashes in a stove air flue, is preheated to the low-temperature material that need to be heated, and reduces low-temperature material energization and rises
The required power consumption of temperature.Met by the device of the power-economizing method and waste heat is back in technical process, accelerates high-temperature material
Cooling velocity can quickly improve new clothes material initial temperature to reduce the space for collecting ashes in a stove quantity for building configuration.With simple in structure,
Heating power consumption is saved, floor space is small, saves equipment and construction investment.Compared with prior art, cascade graphitizing furnaces are realized
The cooling of high-temperature material and the secondary use of heat, it is energy saving and improve production efficiency.Specifically advantageous effect is：
1, for the electrified regulation initial temperature of conventional every graphitizing furnace of cascade graphitizing furnaces, in contrast from the past
Room temperature carry out heater riser to 1000 DEG C, graphitization product per ton can reduce power consumption 1500kWh or more.
2, the high-temperature material cooling time of graphitization production is completed from past natural cooling 7 days, is reduced within 5 days.
And the cooling space for collecting ashes in a stove quantity that occupies of every group of graphitizing furnace can be reduced to 5 from 7~8, the configuration space for collecting ashes in a stove of whole group graphitizing furnace
Quantity can reduce 2~3.So as to reduce 15% or more equipment one-time investment.
3, since space for collecting ashes in a stove quantity is reduced, battlefield area 20% can be reduced, civil engineering construction investment is further decreased.
4, after using air heat-exchange, waste heat from tail gas can be collected very easily and be utilized again, moreover it is possible to be played into one
Walk energy-saving effect.
5, whole operation process can be adjusted and controlled by DCS or PLC control system, to realize Full-automatic cutting
It changes, adjust, monitoring and data record.High degree of automation, process control safety is reliable, can substantially reduce labor intensity.
Description of the drawings
Invention is further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram of the present invention.
As shown in the figure：1- space for collecting ashes in a stoves partition wall, 2- bottom 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 implementation mode
For the inventive concept further illustrated the present invention, below with reference to attached drawing to the specific implementation mode of the present invention make into
One step explanation：
A kind of power-economizing method of cascade graphitizing furnaces, this method are to do carrier using air, will complete to be graphitized
The air of room temperature is blown into the air flue that the heat in graphitization space for collecting ashes in a stove after journey is connected to by air blower to hollow partition and bottom plate
Stream, air stream will be heated after the air flue of complications perforation, take away a large amount of thermal energy, make to have completed the object after graphitizing process
Material cools, and the air of a large amount of thermal energy is carried after being heated, then be sent into another group of new clothes material by pipeline and need to carry out stone
In the air flue of space for collecting ashes in a stove partition wall and the bottom plate connection of inkization, heat that air carries by by hollow partition and bottom plate to that need to heat
Low-temperature material is preheated, and the power consumption that low-temperature material is powered needed for heating is reduced.
Further, the power-economizing method of 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 complications perforation and connect with it
Logical pipeline constitutes airflow circuit, and valve is arranged at the air inlet/outlet of each space for collecting ashes in a stove and leads to the pipeline communicated therewith
It crosses valve to be selectively connected to, adjusting, heat-exchange temperature and the time of the blower air quantity are realized by DCS or PLC control system
It automatically controls, and valve transfer, air quantity adjusting, process monitoring and data recording process is controlled by microcomputer.
In actual application, the quantity of space for collecting ashes in a stove includes at least more than two, has completed the stone after graphitizing process
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 either gas flow loop with the pipeline that is connected to, at the same be arranged at the air inlet/outlet of each space for collecting ashes in a stove valve with
Its pipeline being connected to selectively is connected to by valve, to constitute air stream either gas flow loop.Wherein blower air quantity
It adjusts, the control of heat-exchange temperature and time, then can be detected by ordinary temperature, pressure and flow instrument, entirely be controlled
Journey can be adjusted and controlled by DCS or PLC control system, and be adjusted to the air quantity of the automatic switchover of valve, air blower, mistake
Range monitoring and data recording process are controlled by microcomputer, 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 ontology, further include stove
Cheat partition wall 1, bottom 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 bottom plate 2 are at least more than two, and the space for collecting ashes in a stove partition wall 1 and the design of bottom plate 2 are in hollow form knot
Structure, multigroup space for collecting ashes in a stove partition wall 1 and bottom plate 2 in hollow form structure forms the air flue 3 of tortuous perforation, in the furnace body of graphitizing furnace ontology
Both ends are equipped with external air inlet/outlet 4, and high-temperature-resistant stop valve 5, the stove of all graphitizing furnaces are configured at 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 on high-temperature resistant pipeline 6
Pipeline 6 and the air flue 3 of multigroup perforation form a tortuous connection gas circuit, match at the high-temperature resistant pipeline 6 of connection gas circuit one end
There are Wind Volume air blower 8, the other end to be furnished with outer comb 9, 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 bottom plate 2 are manufactured using high temperature resistant heat storage Heat Conduction Material.
In actual application, production capacity that can be according to actual needs designs space for collecting ashes in a stove partition wall and bottom plate by the volume of space for collecting ashes in a stove
2 specification determines air flue curved structure by calculating optimal heat exchange efficiency, determines line size and valve model.And for choosing
Blower air quantity and pressure and the parameter of other components are selected, and is selected by the volume of practical space for collecting ashes in a stove.
It is first that the high-temperature resistant pipeline 6 with high temperature resistant coupling cock 7 and configuration high-temperature-resistant stop valve 5 at air inlet/outlet 4 is close
Envelope connects, and the air inlet/outlet 4 of the high-temperature-resistant stop valve 5 at air inlet/outlet 4 and each space for collecting ashes in a stove partition wall 1 is tightly connected, high-temperature resistant tube
Air blower 8 is installed in the one end in road 6, and the other end connects outer comb 9.In this way, beginning to pass through the high temperature resistant at space for collecting ashes in a stove both ends from air blower 8
Pipeline 6, air inlet/outlet 4, multigroup space for collecting ashes in a stove partition wall 1 and bottom plate 2 in hollow form structure form the air flue 3 of tortuous perforation, high temperature resistant
Pipeline 6 and multigroup air flue 3 form a tortuous connection gas circuit, finally can directly can be to outer comb 9 from connection gas circuit.It is controlled
Method is, the high-temperature-resistant stop valve 5 at air inlet/outlet 4 and high temperature resistant coupling cock 7 by selecting each space for collecting ashes in a stove carry out accordingly
Open or close the gas channel of corresponding space for collecting ashes in a stove partition wall 1 and bottom plate 2 between realizing perforation each group graphitizing furnace to control.
In specific implementation process, when being cooled down and being preheated, first by the disengaging 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 being 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
It opens, and the valve of other space for collecting ashes in a stoves is closed.Air stream, air inlet of the air from high temperature space for collecting ashes in a stove one end are generated by air blower 8
It enters in the air flue 3 of high temperature space for collecting ashes in a stove, the heat conduction of high-temperature material is transferred to by air stream by space for collecting ashes in a stove partition wall 1 and bottom plate 2
In.Under the action of air blower 8, the air with high temperature heat enters 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 in the air flue 3 of preheating space for collecting ashes in a stove through piping coupling cock 7 and the air inlet for preheating space for collecting ashes in a stove.Pass through stove
The heat of high temperature air stream is conducted to preheating material by hole partition wall 1 and bottom plate 2, and the high temperature air stream after cooling enters back into high temperature resistant
Pipeline 6 is gone out finally by 9 dispatch of outer comb.In order to improve heat utilization efficiency, in addition to by exchanging 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, makes 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, air stream can be averagely heated to by 3000 DEG C or more of material
1400 DEG C or more, and when this 1400 DEG C hot-air can be preheated the room temperature material of the new shove charge of another seat, temperature can be with
Reach 1000 DEG C or more.It is shown according to statistical data in actual production process, if the material of a space for collecting ashes in a stove is opened from normal temperature state
Begin to be powered, when being heated to 1000 DEG C, be graphitized from normal temperature state power transmission, ton product power consumption is up to 4000kWh, since 1000 DEG C
Power transmission is graphitized ton product power consumption 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 completed within few to 5 days.When air stream is after having heated preheating space for collecting ashes in a stove, exhaust temperature is still up to 400~500 DEG C
Left and right is sent into factory residual heat utilization system and carries out secondary heat exchange energy-saving application after can also being collected by outer comb.In this way
Utilization rate of waste heat can be further increased, enterprise's production cost is reduced.
In application process is embodied, the pairing for high temperature and low temperature space for collecting ashes in a stove, corresponding gas between each group graphitizing furnace
Road is formed by with connecting pipe and is connected to gas circuit, is by taking valve and connecting pipe at the air inlet/outlet for selecting each space for collecting ashes in a stove
Valve open or close accordingly and is realized to control.The adjusting of blower air quantity, the control of heat-exchange temperature and time, then may be used
It is detected by ordinary temperature, pressure and flow instrument, entire control process can be adjusted by DCS or PLC control system
Section and control, to realize full-automatic switching, adjust, monitoring and data record.
The power-economizing method and device of cascade graphitizing furnaces using the present invention, carrier is done using air, will complete to be graphitized
Heat after process is blown into the air of room temperature by air blower into air flue, and air will be heated after air flue, takes away a large amount of
Thermal energy, to cool to the material after completion graphitizing process, the air that a large amount of thermal energy are carried after being heated is sent into new clothes
Material needs to carry out in graphited space for collecting ashes in a stove air flue, is preheated to the low-temperature material that need to be heated, and reduces low-temperature material energization and rises
The required power consumption of temperature.Met by the device of the power-economizing method and waste heat is back in technical process, accelerates high-temperature material
Cooling velocity can quickly improve new clothes material initial temperature to reduce the space for collecting ashes in a stove quantity for building configuration.With simple in structure,
Heating power consumption is saved, floor space is small, saves equipment and construction investment.Compared with prior art, cascade graphitizing furnaces are realized
The cooling of high-temperature material and the secondary use of heat, it is 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 solution disclosed in specific implementation mode, and the foregoing is merely this hairs
Bright better embodiment, is not intended to limit the present invention, any trickle amendment made by all technical solutions according to the present invention, equivalent
It replaces and improves, 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：This method is to do carrier using air, by one group
It completes to blow in the air flue that the heat in the graphitization space for collecting ashes in a stove after graphitizing process is connected to by air blower to hollow partition and bottom plate
Enter the air stream of room temperature, air stream will be heated after the air flue of complications perforation, take away a large amount of thermal energy, make to have completed graphite
Material after change process cools；The air that a large amount of thermal energy are carried after being heated is re-fed into another group of new clothes object by pipeline
Material needs to carry out in graphited space for collecting ashes in a stove partition wall and the air flue of bottom plate connection, and the heat that air carries will pass through 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 heating of low temperature material.
2. a kind of power-economizing method 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 complications perforation
Airflow circuit is constituted with the pipeline communicated therewith, and valve is set at the air inlet/outlet of each space for collecting ashes in a stove and is communicated therewith
Pipeline be selectively connected to by valve, adjusting, heat-exchange temperature and the time of the blower air quantity pass through DCS or PLC controls
System realization automatically controls, and is controlled by microcomputer to valve transfer, air quantity adjusting, process monitoring and data recording process
System.
3. a kind of device of the power-economizing method of cascade graphitizing furnaces as described in claim 1, including graphitizing furnace ontology, special
Sign is：Further include space for collecting ashes in a stove partition wall (1), bottom 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 bottom plate (2) are at least more than two, and institute
It is in hollow form structure, multigroup space for collecting ashes in a stove partition wall (1) and bottom plate (2) in hollow form structure to state space for collecting ashes in a stove partition wall (1) and bottom plate (2) design
The air flue (3) for forming tortuous perforation is equipped with external air inlet/outlet (4) at the furnace body both ends of graphitizing furnace ontology, it is described into
High-temperature-resistant stop valve (5) is configured at gas outlet (4), the air inlet/outlet (4) of the space for collecting ashes in a stove of all graphitizing furnaces uses high-temperature resistant tube
Road (6) is connected, and high temperature resistant coupling cock (7), high-temperature resistant pipeline (6) and multigroup perforation are configured on high-temperature resistant pipeline (6)
Air flue (3) forms a tortuous connection gas circuit, is furnished with Wind Volume air blower at the high-temperature resistant pipeline (6) of connection gas circuit one end
(8), the other end is furnished with outer comb (9), and the outer comb (9) can connect afterheat utilizing system or exhaust chimney.
4. device according to claim 3, it is characterised in that：The space for collecting ashes in a stove partition wall (1) and bottom plate (2) are stored using high temperature resistant
Thermal conductivity hot material manufactures.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Publication Number | Publication Date |
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| CN106829950A CN106829950A (en) | 2017-06-13 |
| CN106829950B true CN106829950B (en) | 2018-10-23 |
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| CN201610232822.1A Pending CN105841500A (en) | 2016-04-15 | 2016-04-15 | Energy-saving method and device of lengthwise graphitization furnace |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
| CN108866575B (en) * | 2018-06-28 | 2023-07-28 | 百色皓海碳素有限公司 | Preparation method of graphite anode |
| 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 |
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| 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 |
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| CN105841500A (en) | 2016-08-10 |
| CN106829950A (en) | 2017-06-13 |
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