CN109682205A - Energy-saving sintering furnace and LiFePO4 process units - Google Patents

Energy-saving sintering furnace and LiFePO4 process units Download PDF

Info

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
Authority
CN
China
Prior art keywords
burner hearth
interlayer
outlet
energy
tube layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811524575.8A
Other languages
Chinese (zh)
Inventor
郑明森
黄海宏
许家春
洪天立
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Rong Hua Science And Technology Co Ltd
Original Assignee
Fujian Rong Hua Science And Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujian Rong Hua Science And Technology Co Ltd filed Critical Fujian Rong Hua Science And Technology Co Ltd
Priority to CN201811524575.8A priority Critical patent/CN109682205A/en
Publication of CN109682205A publication Critical patent/CN109682205A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/04Furnaces 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
    • F27B9/045Furnaces with controlled atmosphere
    • F27B9/047Furnaces with controlled atmosphere the atmosphere consisting of protective gases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/06Furnaces 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
    • F27B9/062Furnaces 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
    • F27B9/063Resistor heating, e.g. with resistors also emitting IR rays
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30Details, accessories, or equipment peculiar to furnaces of these types
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/36Arrangements of heating devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/40Arrangements of controlling or monitoring devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D9/00Cooling of furnaces or of charges therein
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D9/00Cooling of furnaces or of charges therein
    • F27D2009/0002Cooling of furnaces
    • F27D2009/001Cooling of furnaces the cooling medium being a fluid other than a gas
    • F27D2009/0013Cooling of furnaces the cooling medium being a fluid other than a gas the fluid being water

Landscapes

  • 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

Energy-saving sintering furnace and LiFePO4 process units
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.
CN201811524575.8A 2018-12-13 2018-12-13 Energy-saving sintering furnace and LiFePO4 process units Pending CN109682205A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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
CN201811524575.8A CN109682205A (en) 2018-12-13 2018-12-13 Energy-saving sintering furnace and LiFePO4 process units

Publications (1)

Publication Number Publication Date
CN109682205A true CN109682205A (en) 2019-04-26

Family

ID=66187590

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811524575.8A Pending CN109682205A (en) 2018-12-13 2018-12-13 Energy-saving sintering furnace and LiFePO4 process units

Country Status (1)

Country Link
CN (1) CN109682205A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2757076Y (en) * 2004-11-16 2006-02-08 彩虹集团电子股份有限公司 Continuous high temperature reducing automatic channel firing furnace
CN102252780A (en) * 2011-04-29 2011-11-23 上海交通大学 Apparatus of measuring power station boiler furnace gas temperature and measuring method thereof
CN204346215U (en) * 2014-11-26 2015-05-20 中石化南京工程有限公司 Reduction tail gas heat quantity recovery system
CN105734245A (en) * 2016-03-29 2016-07-06 广东龙丰精密铜管有限公司 Protective gas energy saving method and system for online copper pipe machining annealing device
CN206546095U (en) * 2017-02-23 2017-10-10 福建新航凯材料科技有限公司 A kind of vanadium-nitrogen alloy sintering kiln
CN209470503U (en) * 2018-12-13 2019-10-08 福建荣华科技有限公司 Energy-saving sintering furnace and LiFePO4 process units

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2757076Y (en) * 2004-11-16 2006-02-08 彩虹集团电子股份有限公司 Continuous high temperature reducing automatic channel firing furnace
CN102252780A (en) * 2011-04-29 2011-11-23 上海交通大学 Apparatus of measuring power station boiler furnace gas temperature and measuring method thereof
CN204346215U (en) * 2014-11-26 2015-05-20 中石化南京工程有限公司 Reduction tail gas heat quantity recovery system
CN105734245A (en) * 2016-03-29 2016-07-06 广东龙丰精密铜管有限公司 Protective gas energy saving method and system for online copper pipe machining annealing device
CN206546095U (en) * 2017-02-23 2017-10-10 福建新航凯材料科技有限公司 A kind of vanadium-nitrogen alloy sintering kiln
CN209470503U (en) * 2018-12-13 2019-10-08 福建荣华科技有限公司 Energy-saving sintering furnace and LiFePO4 process units

Cited By (1)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN206339094U (en) Heating using microwave produces the product line device of alloy
CN101845541B (en) Resistor heating gradient thermal treatment device for double alloy disc kind part
CN102331174A (en) Microwave and electric mixed heating roller kiln
CN102278879A (en) Micro-wave roller kiln
CN201289290Y (en) Rapid cooling type intermediate frequency induction sintering furnace
CN209470503U (en) Energy-saving sintering furnace and LiFePO4 process units
CN109682205A (en) Energy-saving sintering furnace and LiFePO4 process units
CN209541407U (en) A kind of cooling continuous rotary kiln of multitube
CN209470502U (en) High-efficiency sintered furnace and LiFePO4 process units
CN208520219U (en) Kiln air inlet cooling and heat energy recycling system
CN109682206A (en) High-efficiency sintered furnace and LiFePO4 process units
CN102425934B (en) Microwave heating high-temperature vertical kiln
CN209960963U (en) Heat treatment kiln
CN207276500U (en) A kind of cooled-preheated circulator of light calcined magnesia shaft furnace
CN102676849A (en) Reduction tank and magnesium reduction furnace
CN208296639U (en) Combustion chamber Quick temperature adjustment
CN109506458A (en) Energy circulation sintering furnace and LiFePO4 process units
CN204718377U (en) A kind of induction furnace with atmosphere protection cover
JP2567130B2 (en) Bright annealing furnace
CN101250614A (en) Heat treatment furnace with built-in euthermic gas generation device
CN105352329B (en) A kind of energy saving kiln of UTILIZATION OF VESIDUAL HEAT IN and balance chilling air quantity
CN102853666A (en) Box-type microwave high-temperature sintering furnace
CN205619759U (en) Positive anode material of lithium ion battery is adjustable gas kiln of atmosphere for sintering
CN107449255A (en) One kind prepares high purity aluminium oxide tunnel dehydration furnace
CN103105060B (en) Pushed slab kiln fired synthetically by vanadium nitride microwave and electric hybrid heating

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination