CN109682205A - Energy-saving sintering furnace and LiFePO4 process units - Google Patents
Energy-saving sintering furnace and LiFePO4 process units Download PDFInfo
- Publication number
- CN109682205A CN109682205A CN201811524575.8A CN201811524575A CN109682205A CN 109682205 A CN109682205 A CN 109682205A CN 201811524575 A CN201811524575 A CN 201811524575A CN 109682205 A CN109682205 A CN 109682205A
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- Prior art keywords
- burner hearth
- interlayer
- outlet
- energy
- tube layer
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/04—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity adapted for treating the charge in vacuum or special atmosphere
- F27B9/045—Furnaces with controlled atmosphere
- F27B9/047—Furnaces with controlled atmosphere the atmosphere consisting of protective gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/06—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
- F27B9/062—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated electrically heated
- F27B9/063—Resistor heating, e.g. with resistors also emitting IR rays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/40—Arrangements of controlling or monitoring devices
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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
- F27D9/00—Cooling of furnaces or of charges therein
-
- 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
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/0002—Cooling of furnaces
- F27D2009/001—Cooling of furnaces the cooling medium being a fluid other than a gas
- F27D2009/0013—Cooling of furnaces the cooling medium being a fluid other than a gas the fluid being water
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Furnace Details (AREA)
- Tunnel Furnaces (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
A kind of energy-saving sintering furnace and LiFePO4 process units provided by the invention, are related to battery material manufacture technology field, comprising: furnace interior has Packed burner hearth;Burner hearth is divided into heating zone, firing zone and cooling zone from input end to the direction of outlet end;Temperature control system, temperature control system are arranged on furnace body;Propulsion system, propulsion system are arranged on furnace body;Power Cycle, Power Cycle include interlayer metal set, gas path pipe, heat exchanger and interlayer casing;Interlayer metal set has hollow interlayer inner cavity, and interlayer metal set is mounted on the cooling zone of burner hearth;Interlayer casing has interior tube layer and external tube layer;Interlayer metal set is connected to the interior tube layer of interlayer casing;Gas path pipe is connected to the external tube layer of interlayer casing;Heat exchanger is arranged between the interior tube layer of interlayer casing and external tube layer;The outlet of gas path pipe is connected to burner hearth.
Description
Technical field
The present invention relates to battery material manufacture technology fields, raw more particularly, to a kind of energy-saving sintering furnace and LiFePO4
Produce device.
Background technique
Sintering furnace is that powder compact is instigated to obtain the dedicated of required Physical and mechanical properties and microstructure by sintering
Equipment.Sintering furnace can be used for drying the slurry on silicon wafer, the organic principle in removal slurry, complete Al-BSF and grid line burning
Knot.
In the sintering furnace of the prior art, used tunnel type battery material sintering furnace usually requires to use in discharge port
Water circulation interlayer is cooled down, while needing to be passed through protection gas in the middle section of sintering furnace burner hearth and feed inlet, the discharge port at both ends
Body controls the oxidation/reduction atmosphere that sintering needs with this, and the gas circuit and water route are provided separately.
But result in this way is exactly, the cooling water in water route can take away a large amount of heat, cause energy
Loss;And in the gas circuit of the other side, the protective gas into tunnel needs to be heated inside burner hearth again.So the prior art
In sintering furnace overall power consumption it is big, higher operating costs.
Summary of the invention
The purpose of the present invention is to provide a kind of energy-saving sintering furnace and LiFePO4 process units, to solve the prior art
Present in sintering furnace overall power consumption it is big, the technical issues of higher operating costs.
A kind of energy-saving sintering furnace provided by the invention, comprising:
Furnace body, the furnace interior have Packed burner hearth;The burner hearth is divided into from input end to the direction of outlet end
Heating zone, firing zone and cooling zone;
Temperature control system, the temperature control system is arranged on the furnace body, for adjusting the temperature in the burner hearth
Degree;
Propulsion system, the propulsion system is arranged on the furnace body, for transporting workpiece in burner hearth;
Power Cycle, the Power Cycle include interlayer metal set, gas path pipe, heat exchanger and interlayer set
Pipe;
The interlayer metal set has hollow interlayer inner cavity, and the interlayer metal set is mounted on the cooling of the burner hearth
Area;The interlayer casing has interior tube layer and external tube layer;
The interlayer metal set is connected to the interior tube layer of the interlayer casing, is passed through cooling water for circulation;The gas
Road pipeline is connected to the external tube layer of the interlayer casing, for being passed through protection gas;
The heat exchanger is arranged between the interior tube layer and external tube layer of the interlayer casing, for will inhale in said inner tube layer
The heat of cooling water after taking high temperature replaces the protection gas into the external tube layer, preheats to protection gas;
The outlet of the gas path pipe is connected to the burner hearth, for the protection gas after preheating to be filled in the burner hearth.
Further, in an embodiment of the present invention, solenoid valve is installed on the gas path pipe, for controlling the gas
The opening and closing of road pipeline.
Further, in an embodiment of the present invention, further includes:
Import displacement gas chamber;
The inlet communication of the import displacement gas chamber and the furnace body, the import of the import displacement gas chamber and the furnace body
Between import hermatic door is installed;
First protection gas is installed on the import displacement gas chamber and is passed through mouth.
Further, in an embodiment of the present invention, further includes:
Outlet displacement gas chamber;
The outlet of outlet the displacement gas chamber and the furnace body, the outlet of outlet the displacement gas chamber and the furnace body
Between exit seal door is installed;
The second protection gas is installed on the outlet displacement gas chamber and is passed through mouth.
Further, in an embodiment of the present invention, the furnace body includes shell and furnace lining;
The furnace lining includes liner and heat preservation internal layer;The inside of the shell, the heat preservation internal layer is arranged in the liner
Between the shell and the liner.
Further, in an embodiment of the present invention, the temperature control system includes controller and several ceramic tubes, institute
It states to be wound on ceramic tube and is electrically connected heating wire with the controller;
Several ceramic tubes for being wound with heating wire are uniformly mounted on the upper wall and lower wall of the burner hearth, for described
Burner hearth heating.
Further, in an embodiment of the present invention, the temperature control system further includes being electrically connected with the controller
Several temperature detectors and several alarms;
Several temperature detectors are used for respectively to the heating zone, the firing zone and the real-time temperature of the cooling zone
Degree is monitored;
Several alarms connect with corresponding several temperature detector electricals respectively.
Further, in an embodiment of the present invention, the propulsion system includes the slideway longitudinally disposed along the burner hearth
Item, longitudinal sliding motion is provided with automatically controlled push plate on the slideway item;
The slideway item and the material of the automatically controlled push plate are all made of corundum-mullite.
Further, in an embodiment of the present invention, the outlet-inclined impeller vane of the gas path pipe is mounted on the burner hearth and institute
Between the inner cavity for stating interlayer metal set;
The outlet of the gas path pipe relative to burner hearth longitudinal direction tilt angle between 30 ° -60 °, and gas path pipe
The gas outbound course of outlet is opposite with the carriage direction of workpiece.
Present invention also provides a kind of LiFePO4 process units, including the energy-saving sintering furnace.
In the above-mentioned technical solutions, in order to improve the utilization rate of energy, so changing to sintering furnace in the prior art
Into, Power Cycle is devised in its structure, using recycling for energy, greatly reduces the loss of energy, thus
Greatly reduce the cost used.For sintering furnace in compared with the prior art, original sintering furnace gas circuit and water route are to separate
Be arranged, cooling water by water can take away a large amount of heat, cause the loss of energy;And in the gas circuit of the other side, into
The protective gas for entering tunnel needs to be heated inside burner hearth again, can also consume energy.And in the prior art, by devising energy
The circulatory system is measured, so can preheat using the heat of cooling consumption to protection gas, makes the overall function of sintering furnace
It is good, energy is recycled, use cost is substantially reduced.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the perspective view of energy-saving sintering furnace provided in an embodiment of the present invention;
Fig. 2 is the positional structure schematic diagram of import displacement gas chamber provided in an embodiment of the present invention and outlet displacement gas chamber;
Fig. 3 is the structural schematic diagram of Power Cycle provided in an embodiment of the present invention.
Appended drawing reference:
1- furnace body;2- propulsion system;3- Power Cycle;
11- heating zone;12- firing zone;The cooling zone 13-;
14- import displacement gas chamber;The outlet 15- displacement gas chamber;
31- interlayer metal set;32- gas path pipe;33- heat exchanger.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Fig. 1 is the perspective view of energy-saving sintering furnace provided in an embodiment of the present invention;Fig. 2 is import provided in an embodiment of the present invention
Replace the positional structure schematic diagram of gas chamber and outlet displacement gas chamber;Fig. 3 is Power Cycle 3 provided in an embodiment of the present invention
Structural schematic diagram.As shown in Figure 1-3, a kind of energy-saving sintering furnace provided in this embodiment, comprising:
Furnace body 1 has Packed burner hearth inside the furnace body 1;The burner hearth divides from input end to the direction of outlet end
For heating zone 11, firing zone 12 and cooling zone 13;
Temperature control system, the temperature control system is arranged on the furnace body 1, for adjusting the temperature in the burner hearth
Degree;
Propulsion system 2, the propulsion system 2 is arranged on the furnace body 1, for transporting workpiece in burner hearth;
Power Cycle 3, the Power Cycle 3 include that interlayer metal covers 31, gas path pipe 32,33 and of heat exchanger
Interlayer casing;
The interlayer metal set 31 has hollow interlayer inner cavity, and the interlayer metal set 31 is mounted on the cold of the burner hearth
But area 13;The interlayer casing has interior tube layer and external tube layer;
The interlayer metal set 31 is connected to the interior tube layer of the interlayer casing, is passed through cooling water for circulation;It is described
Gas path pipe 32 is connected to the external tube layer of the interlayer casing, for being passed through protection gas;
The heat exchanger 33 is arranged between the interior tube layer and external tube layer of the interlayer casing, and being used for will be in said inner tube layer
The heat of cooling water after drawing high temperature replaces the protection gas into the external tube layer, preheats to protection gas;
The outlet of the gas path pipe 32 is connected to the burner hearth, for the protection gas after preheating to be filled with the burner hearth
It is interior.
In technical solution provided by the present application, in order to improve the utilization rate of energy, so to sintering in the prior art
Furnace improves, and devises Power Cycle 3 in its structure, using recycling for energy, greatly reduces energy
Loss, to greatly reduce the cost used.For sintering furnace in compared with the prior art, original sintering furnace gas circuit and water
Road is provided separately, cooling water by water can take away a large amount of heat, cause the loss of energy;And in other side gas
Lu Zhong, the protective gas into tunnel need to be heated inside burner hearth again, can also consume energy.And in the prior art, pass through
Power Cycle 3 is devised, so can preheat using the heat of cooling consumption to protection gas, makes the whole of sintering furnace
Body function is good, recycles to energy, substantially reduces use cost.
Specifically, can be utilized respectively temperature control system when being sintered to workpiece and propulsion system 2 adjusts
Temperature in the burner hearth and workpiece is transported into burner hearth, workpiece is made to be able to carry out sintering processes.Wherein, the temperature control
System and the propulsion system 2 can be installed according to the demand of those skilled in the art, be selected, and be with reference to the prior art
Can, just do not do specific restriction herein.
From the foregoing, it will be observed that the Power Cycle 3 utilizes interlayer casing, heat exchanger 33 and interlayer metal set 31 and gas circuit pipe
Combination installation has been carried out between road 32, and energy has been recycled with realizing.Wherein, the interlayer metal set 31 and the interlayer
The interior tube layer of casing is connected to, and interlayer metal can be covered to being passed through to described for the cooling water circulation in 31 by heat absorption heating in this way
The interior tube layer of interlayer casing.Meanwhile the gas path pipe 32 is connected to the external tube layer of the interlayer casing, it can be by gas circuit pipe
Protection gas in road 32 is passed through the external tube layer of the interlayer casing.
Also, the heat exchanger 33 is arranged between the interior tube layer and external tube layer of the interlayer casing, the interlayer metal
Cooling water in set 31 can absorb the heat of burner hearth in cooling zone 13 first, increase own temperature, then into the folder
In the interior tube layer of layer casing.Since temperature greatly promotes after cooling water draw heat, at this point, can will be risen using heat exchanger 33
The heat of cooling water after temperature replaces the protection gas into the external tube layer, is carried out in advance with the heat that should be discharged to protection gas
Heat can be utilized recycle heat with this, improve the utilization rate of energy.
Those skilled in the art can according to the actual situation install the heat exchanger 33 and the interlayer casing, with
Achieve the purpose that heat is replaced, mounting means can be selected voluntarily, inconvenient herein to limit.
So this design structure is based on, in order to preheat using the heat in burner hearth to protection gas, so that it may
Installation interlayer casing, heat exchanger 33 is combined between interlayer metal set 31 and gas path pipe 32, is heated up and drawn using cooling water
Heat come to protection gas preheating, by preheating after be re-filled in burner hearth.So when protection gas is after adequately preheating, just
It can be entered in the burner hearth by gas path pipe 32.Make that gas is protected to enter in burner hearth after preheating, it can be as far as possible
Furnace temperature decision in few interference burner hearth.
In conclusion changing the energy source of protection gas preheating by the Power Cycle 3, will can answer originally
The energy of cooling loss is transferred for being preheated to protection gas, this makes it possible to realize recycling for energy, greatly
The loss of energy is reduced, use cost is reduced.
Further, in an embodiment of the present invention, solenoid valve is installed on the gas path pipe 32, it is described for controlling
The opening and closing of gas path pipe 32.
So the opening and closing of the gas path pipe 32 can also be effectively controlled using the solenoid valve, for matching
The temperature for closing the cooling water heats protection gas.
For example, after cooling water absorbs heat after its temperature is higher, institute can be opened using the solenoid valve
Gas path pipe 32 is stated, rapidly pre-warming is carried out to the protection gas in gas path pipe 32.
Further, in an embodiment of the present invention, further includes:
Import displacement gas chamber 14;
The inlet communication of the import displacement gas chamber 14 and the furnace body 1, the import displacement gas chamber 14 and the furnace body 1
Import between import hermatic door is installed;
First protection gas is installed on the import displacement gas chamber 14 and is passed through mouth.
Using import displacement gas chamber 14, a large amount of protection gas (such as nitrogen) can be passed through rapidly after workpiece entrance, set
The oxygen in the import displacement gas chamber 14 is changed, until oxygen content reaches technique requirement, import hermatic door is then opened again, allows work
Part is continued into burner hearth and is sintered.It can so guarantee that the oxygen content in burner hearth is stable to require in technique.
Further, in an embodiment of the present invention, further includes:
Outlet displacement gas chamber 15;
The outlet of outlet the displacement gas chamber 15 and the furnace body 1, the outlet displacement gas chamber 15 and the furnace body 1
Outlet between exit seal door is installed;
Second protection gas is installed on the outlet displacement gas chamber 15 and is passed through mouth.
Similarly, gas chamber 15 is replaced using outlet, a large amount of protection gas (such as nitrogen) can be passed through before workpiece entrance,
The oxygen in the outlet displacement gas chamber 15 is replaced, is required until oxygen content reaches technique, is then opened exit seal door again, allow
Workpiece continues into outlet displacement gas chamber 15 and is exited.Can so guarantee oxygen content in burner hearth it is stable in work
Skill requirement.
Preferably, in an embodiment of the present invention, the furnace body 1 includes shell and furnace lining;
The furnace lining includes liner and heat preservation internal layer;The inside of the shell, the heat preservation internal layer is arranged in the liner
Between the shell and the liner.
Further, in an embodiment of the present invention, the temperature control system includes controller and several ceramic tubes, institute
It states to be wound on ceramic tube and is electrically connected heating wire with the controller;
Several ceramic tubes for being wound with heating wire are uniformly mounted on the upper wall and lower wall of the burner hearth, for described
Burner hearth heating.When being heated in burner hearth, the heating wire can be powered, in the uniform heating respectively up and down of burner hearth, and
And be located at burner hearth or more heater strip can independent temperature control, and thermal detector is set, real time temperature is monitored.
Further, in an embodiment of the present invention, the temperature control system further includes being electrically connected with the controller
Several temperature detectors and several alarms;
Several temperature detectors are used for respectively to the heating zone 11, the firing zone 12 and the cooling zone 13
Real time temperature is monitored;
Several alarms connect with corresponding several temperature detector electricals respectively.
It can be to the real-time of the heating zone 11, the firing zone 12 and the cooling zone 13 using the temperature detector
Temperature is monitored, and when overheating problem has occurred in the temperature of each warm area, is connected with the temperature detector in corresponding warm area
Alarm will sound an alarm.For example, sounding the alarm or sounding an alarm flashing.
Further, in an embodiment of the present invention, the propulsion system 2 includes the slideway longitudinally disposed along the burner hearth
Item, longitudinal sliding motion is provided with automatically controlled push plate on the slideway item;
The slideway item and the material of the automatically controlled push plate are all made of corundum-mullite.
Workpiece can be fed through in burner hearth using the propulsion system 2, it is only necessary to workpiece is placed in automatically controlled push plate,
Slide automatically controlled push plate on the slideway item.And wear intensity can be reduced using corundum-mullite, make burner hearth
Service life lengthen.Wherein, the specific structure of the propulsion system 2 can also be replaced according to the actual situation, this field
Technical staff voluntarily can select and design, and just repeat no more herein.
Further, in an embodiment of the present invention, the outlet-inclined impeller vane of the gas path pipe 32 be mounted on the burner hearth and
Between the inner cavity of the interlayer metal set 31;
The outlet of the gas path pipe 32 relative to burner hearth longitudinal direction tilt angle between 30 ° -60 °, and gas path pipe
The gas outbound course of 32 outlet is opposite with the carriage direction of workpiece.
Preferably, can be at 45 ° relative to the tilt angle setting of burner hearth longitudinal direction by the escape pipe, pass through this inclination
Setting, can guarantee opposite reverse flow between protection gas and workpiece in burner hearth, be conducive to the protection of nitrogen.
Present invention also provides a kind of LiFePO4 process units, including the energy-saving sintering furnace.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of energy-saving sintering furnace characterized by comprising
Furnace body, the furnace interior have Packed burner hearth;The burner hearth is divided into heating from input end to the direction of outlet end
Area, firing zone and cooling zone;
Temperature control system, the temperature control system is arranged on the furnace body, for adjusting the temperature in the burner hearth;
Propulsion system, the propulsion system is arranged on the furnace body, for transporting workpiece in burner hearth;
Power Cycle, the Power Cycle include interlayer metal set, gas path pipe, heat exchanger and interlayer casing;
The interlayer metal set has hollow interlayer inner cavity, and the interlayer metal set is mounted on the cooling zone of the burner hearth;Institute
Interlayer casing is stated with interior tube layer and external tube layer;
The interlayer metal set is connected to the interior tube layer of the interlayer casing, is passed through cooling water for circulation;The gas circuit pipe
Road is connected to the external tube layer of the interlayer casing, for being passed through protection gas;
The heat exchanger is arranged between the interior tube layer and external tube layer of the interlayer casing, high for will draw in said inner tube layer
The heat of cooling water after temperature replaces the protection gas into the external tube layer, preheats to protection gas;
The outlet of the gas path pipe is connected to the burner hearth, for the protection gas after preheating to be filled in the burner hearth.
2. energy-saving sintering furnace according to claim 1, which is characterized in that be equipped with solenoid valve on the gas path pipe, use
In the opening and closing for controlling the gas path pipe.
3. energy-saving sintering furnace according to claim 1 or 2, which is characterized in that further include:
Import displacement gas chamber;
The inlet communication of the import displacement gas chamber and the furnace body, between the import displacement gas chamber and the import of the furnace body
Import hermatic door is installed;
First protection gas is installed on the import displacement gas chamber and is passed through mouth.
4. energy-saving sintering furnace according to claim 1 or 2, which is characterized in that further include:
Outlet displacement gas chamber;
The outlet of outlet the displacement gas chamber and the furnace body, between the outlet displacement gas chamber and the outlet of the furnace body
Exit seal door is installed;
The second protection gas is installed on the outlet displacement gas chamber and is passed through mouth.
5. energy-saving sintering furnace according to claim 1 or 2, which is characterized in that the furnace body includes shell and furnace lining;
The furnace lining includes liner and heat preservation internal layer;The inside of the shell is arranged in the liner, and the heat preservation internal layer is located at
Between the shell and the liner.
6. energy-saving sintering furnace according to claim 1 or 2, which is characterized in that the temperature control system includes controller
With several ceramic tubes, it is wound on the ceramic tube and is electrically connected heating wire with the controller;
Several ceramic tubes for being wound with heating wire are uniformly mounted on the upper wall and lower wall of the burner hearth, for the burner hearth
Heating.
7. energy-saving sintering furnace according to claim 6, which is characterized in that the temperature control system further includes and the control
Several temperature detectors and several alarms of device electrical connection processed;
Several temperature detectors for respectively to the real time temperature of the heating zone, the firing zone and the cooling zone into
Row monitoring;
Several alarms connect with corresponding several temperature detector electricals respectively.
8. energy-saving sintering furnace according to claim 1 or 2, which is characterized in that the propulsion system includes along the burner hearth
Longitudinally disposed slideway item, longitudinal sliding motion is provided with automatically controlled push plate on the slideway item;
The slideway item and the material of the automatically controlled push plate are all made of corundum-mullite.
9. energy-saving sintering furnace according to claim 1 or 2, which is characterized in that the outlet-inclined impeller vane of the gas path pipe is installed
Between the inner cavity that the burner hearth and the interlayer metal cover;
The outlet of the gas path pipe relative to burner hearth longitudinal direction tilt angle between 30 ° -60 °, and the outlet of gas path pipe
Gas outbound course it is opposite with the carriage direction of workpiece.
10. a kind of LiFePO4 process units, which is characterized in that burnt including energy conservation as claimed in any one of claims 1-9 wherein
Freezing of a furnace.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811524575.8A CN109682205A (en) | 2018-12-13 | 2018-12-13 | Energy-saving sintering furnace and LiFePO4 process units |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811524575.8A CN109682205A (en) | 2018-12-13 | 2018-12-13 | Energy-saving sintering furnace and LiFePO4 process units |
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CN109682205A true CN109682205A (en) | 2019-04-26 |
Family
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CN201811524575.8A Pending CN109682205A (en) | 2018-12-13 | 2018-12-13 | Energy-saving sintering furnace and LiFePO4 process units |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113774193A (en) * | 2020-06-09 | 2021-12-10 | 安泰天龙(宝鸡)钨钼科技有限公司 | Boat pushing furnace |
Citations (6)
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