CN110118490A - A kind of sintering furnace and its application method with residual heat using device - Google Patents
A kind of sintering furnace and its application method with residual heat using device Download PDFInfo
- Publication number
- CN110118490A CN110118490A CN201910406535.1A CN201910406535A CN110118490A CN 110118490 A CN110118490 A CN 110118490A CN 201910406535 A CN201910406535 A CN 201910406535A CN 110118490 A CN110118490 A CN 110118490A
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- Prior art keywords
- sintering
- heat
- furnace
- cooling section
- low
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Classifications
-
- 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
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
-
- 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
- F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Tunnel Furnaces (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Furnace Details (AREA)
Abstract
This application discloses a kind of sintering furnace and its application method with residual heat using device, the sintering furnace with residual heat using device includes furnace shell (41), sintering heat source (42), delivery track (43), the furnace shell (41) includes being sequentially connected logical low-temperature zone, high temperature section and cooling section, and the cooling section is connected with residual heat using device (5)；The sintering heat source (42) is used to provide heat to the low-temperature zone and the high temperature section, the delivery track (43) runs through the furnace shell (41), and the delivery track (43) is under the driving of conveyance drive mechanism, it is mobile from the low-temperature zone to the cooling section.Heat derives in cooling section are used for the heat supply of other devices (such as drying chamber), reduced energy consumption and production costs by sintering furnace provided by the present application by the residual heat using device being connected with cooling section.
Description
Technical field
This application involves technical field of processing equipment, more particularly to a kind of sintering furnace with residual heat using device and its
Application method.
Background technique
Crucible is the container of fusing and refined metals liquid and solid-liquid heating, reaction.Crucible is usually under high temperature environment
It uses, and the erosion vulnerable to institute's carrying material, in order to guarantee going on smoothly for content reaction, needs the high-quality of crucible,
Energy high temperature, anti-erosion, the generation for reducing perforation, disconnecting.
The preparation of crucible needs to form raw material, and blank is made, then drying, sintering and etc. obtain finished product.Its
In, sintering process needs to carry out under high temperature environment, can just come out of the stove after cooling down after being then sintered still in the object of high temperature, cooling
The heat of loss is not utilized effectively in the process.
Summary of the invention
In order to solve the above technical problems, the first purpose of this invention is to provide a kind of sintering with residual heat using device
Furnace；Second object of the present invention is to provide a kind of method using above-mentioned sintering furnace；Pass through the waste heat benefit being connected with cooling section
The heat derives in cooling section are used for the heat supply of other devices (such as drying chamber), reduced energy consumption and production costs with device
Technical solution provided by the invention is as follows:
A kind of sintering furnace with residual heat using device, including furnace shell, sintering heat source, delivery track, the furnace shell includes
It is sequentially connected logical low-temperature zone, high temperature section and cooling section, the cooling section is connected with residual heat using device；The sintering heat source
For providing heat to the low-temperature zone and the high temperature section, the delivery track runs through the furnace shell, and the delivery track
It is mobile from the low-temperature zone to the cooling section under the driving of conveyance drive mechanism.
Preferably, the cooling section of the furnace shell is connected with residual heat using device specifically: the cooling section of the furnace shell is set
There is opening, the opening is connected with the blast pipe of the residual heat using device, the cooling section of the blast pipe or the furnace shell
Equipped with blower.
Preferably, the residual heat using device further includes the discharge pipe being connected with the blast pipe and winding pipe,
Described winding pipe one end is connected with the discharge pipe, and the other end is connected with cold air source, and the winding pipe is equipped with second
Blower.
Preferably, the discharge pipe is equipped with sensor, and the residual heat using device is additionally provided with control mechanism, the control machine
Structure receives the information of the sensor, and controls the operating of the blower and the second blower.
Preferably, the sintering heat source includes multiple heating elements, and the heating element is distributed in the low-temperature zone and institute
State the furnace wall of high temperature section.
Preferably, the heating element quantity of the high temperature section furnace wall is more than the heating element quantity of the low-temperature zone furnace wall.
Preferably, the heating element is specially Elema, Si-Mo rod, any one or more in resistance wire.
A method of it is sintered using sintering furnace described in any of the above embodiments, comprising the following steps:
Object to be sintered is sent into the low-temperature zone of the sintering furnace, be warming up to 960 DEG C in 3-5h and is kept the temperature；
The object to be sintered of low-temperature zone is sent into high temperature section, is warming up to 1000-1300 DEG C of heating 2-3h；
Sintered object is sent into cooling section, is cooled to 300 DEG C hereinafter, taking out.
Preferably, object to be sintered is sent into the low-temperature zone of the sintering furnace, 300 DEG C are warming up in 1-3h, is then existed
960 DEG C are warming up in 1-3h, and in 960 DEG C of heat preservation 0.5-2h.
Preferably, sintered object is cooled to 800 DEG C hereinafter, being then cooled to 300 in 1-3h in 5-15min
DEG C or less.
The application provides a kind of sintering furnace with residual heat using device, including sintering furnace and residual heat using device, sintering
Furnace is continuous oven, including furnace shell and delivery track, and furnace shell sets gradually low-temperature zone, high temperature section and cooling section, so that by conveyor track
The object to be sintered (such as crucible green body) of road conveying is first preheated in low-temperature zone, is then sintered in high temperature section, is finally entered cooling section
It is cooling.Although being sintered heat source 43 not directly to cooling section heat supply, heat can flow to cooling section, and after being sintered high temperature object
In cooling section also persistent fever, at this point, by the residual heat using device being connected with cooling section, by the heat derives in cooling section,
For the heat supply of other devices (such as drying chamber), reduce energy consumption and production costs.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the sintering furnace in the embodiment of the present invention with residual heat using device；
Fig. 2 is the side structure schematic view of sintering furnace in the embodiment of the present invention；
Fig. 3 is the overlooking structure diagram of sintering furnace in the embodiment of the present invention；
Appended drawing reference: 41- furnace shell；42- is sintered heat source；43- delivery track；5- residual heat using device；51- blast pipe；52-
Discharge pipe；53- winding pipe.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The application protection all should belong in technical staff's every other embodiment obtained without making creative work
Range.
It should be noted that it can directly exist when element is referred to as on " being fixed on " or " being set to " another element
On another element or indirectly setting on the other element；When an element is known as " being connected to " another element,
It can be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", under ", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System is merely for convenience of description the application and simplifies description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.It is multiple in the description of the present application ", " several " be meant that two or
Two or more, unless otherwise specifically defined.
It should be clear that structure depicted in this specification attached drawing, ratio, size etc., only to cooperate specification revealed
Content is not limited to the enforceable qualifications of the application, therefore does not have so that those skilled in the art understands and reads
Technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the application institute energy
Under the effect of generation and the purpose that can reach, it should all still fall in techniques disclosed in this application content and obtain the range that can cover
It is interior.
The embodiment of the present application is write in a progressive manner.
Please be as shown in Figure 1 to Figure 3, the embodiment of the present invention provides a kind of sintering furnace with residual heat using device, including furnace
Shell 41, sintering heat source 42, delivery track 43, the furnace shell 41 include being sequentially connected logical low-temperature zone, high temperature section and cooling section, institute
Cooling section is stated to be connected with residual heat using device 5；The sintering heat source 42 is used to provide to the low-temperature zone and the high temperature section
Heat, the delivery track 43 runs through the furnace shell 41, and the delivery track 43 is under the driving of conveyance drive mechanism, by institute
It is mobile to the cooling section to state low-temperature zone.
The application provides a kind of sintering furnace with residual heat using device, including sintering furnace and residual heat using device 5, sintering
Furnace is continuous oven, including furnace shell 41 and delivery track 43, furnace shell 41 set gradually low-temperature zone, high temperature section and cooling section, so that by
The object to be sintered (such as crucible green body) that delivery track 43 conveys first is preheated in low-temperature zone, is then sintered in high temperature section, most laggard
It is cooling to enter cooling section.Although being sintered heat source 43 not directly to cooling section heat supply, heat can flow to cooling section, and high after sintering
The object of temperature is in cooling section also persistent fever, will be in cooling section at this point, by the residual heat using device 5 being connected with cooling section
Heat derives are used for the heat supply of other devices (such as drying chamber), reduce energy consumption and production costs.
In the application, delivery track 43 is arranged through the furnace shell 41, and the delivery track 43 is in feed drive machine
It is mobile from the low-temperature zone to the cooling section under the driving of structure.Delivery track 43 can be conveyer belt, and rotary shaft is arranged,
Rotary shaft rotation is driven by conveyance drive mechanism, so that conveyer belt persistently moves.It can also be realized by other usual manners defeated
Send the operating of track 43.The movement speed of delivery track 43 exists according to low-temperature zone, high temperature section, the length of cooling section and green body
The setting of residence time needed for each section, to realize that green body is continuously fed to from low-temperature zone one end, is persistently taken out by cooling section one end
Continuous sintering operation.
Preferably, the cooling section of the furnace shell 41 is connected with residual heat using device 5 specifically: the cooling of the furnace shell 41
Section is equipped with opening, and the opening is connected with the blast pipe 51 of the residual heat using device 5, the blast pipe 51 or the furnace shell
41 cooling section is equipped with blower.
In the present invention, the blast pipe 51 of residual heat using device 5 is connected to cooling section, and by setting in blast pipe 51 or
Blower work in furnace shell 41, the hot-air in cooling section is delivered in residual heat using device.It is preferred that blower setting is being entered the wind
In pipe 51, it is easily installed maintenance.
Preferably, the residual heat using device 5 further includes the discharge pipe 52 being connected with the blast pipe 51, and air inlet
Branch pipe 53, described 53 one end of winding pipe are connected with the discharge pipe 52, and the other end is connected with cold air source, the air inlet branch
Pipe 53 is equipped with the second blower.
Discharge pipe 52 is set, heat can be oriented to the position needed.In addition, setting winding pipe 53 is connected to cold air
Source, and the second blower is set, it is mixed by the operating of the second blower by the hot wind that winding pipe 53 imports in cold wind and blast pipe 51
It closes, the adjustable wind-warm syndrome for eventually entering into discharge pipe 52 and air quantity.
Preferably, the discharge pipe 52 is equipped with sensor, and the residual heat using device 5 is additionally provided with control mechanism, the control
Mechanism processed receives the information of the sensor, and controls the operating of the blower and the second blower.
Sensor, control mechanism are set, the wind-warm syndrome of discharge pipe 52 and the automation of air volume control may be implemented.Work as sensor
The wind-warm syndrome sensed is excessively high, then control mechanism control increases the power of the second blower, imports more cold wind, reduces the wind of output
Temperature；Power that is on the contrary then increasing blower imports more hot winds.In addition, also movable barrier can be arranged in residual heat using device 5, lead to
The degree for overregulating partition unlatching adjusts air quantity.
Preferably, the sintering heat source 42 include multiple heating elements, the heating element be distributed in the low-temperature zone and
The furnace wall of the high temperature section.
Preferably, the heating element quantity of the high temperature section furnace wall is more than the heating element quantity of the low-temperature zone furnace wall.
Preferably, the heating element is specially Elema, Si-Mo rod, any one or more in resistance wire.
Sintering furnace provided by the present application preferably uses heating element to heat, by multiple heating elements respectively in low-temperature zone and institute
The furnace wall for stating high temperature section, provides heat.The heating element quantity of more preferable high temperature section furnace wall is more than the electricity of the low-temperature zone furnace wall
Thermal element quantity.
A method of it is sintered using sintering furnace described in any of the above embodiments, comprising the following steps:
Object to be sintered is sent into the low-temperature zone of the sintering furnace, be warming up to 960 DEG C in 3-5h and is kept the temperature；
The object to be sintered of low-temperature zone is sent into high temperature section, is warming up to 1000-1300 DEG C of heating 2-3h；
Sintered object is sent into cooling section, is cooled to 300 DEG C hereinafter, taking out.
Preferably, object to be sintered is sent into the low-temperature zone of the sintering furnace, 300 DEG C are warming up in 1-3h, is then existed
960 DEG C are warming up in 1-3h, and in 960 DEG C of heat preservation 0.5-2h.
Preferably, sintered object is cooled to 800 DEG C hereinafter, being then cooled to 300 in 1-3h in 5-15min
DEG C or less.
The application also provides a kind of method being sintered using sintering furnace described in any of the above embodiments, including low temperature plus
Heat, high temperature sintering, cooling three phases.Object to be sintered is placed in low-temperature zone by the low-temperature heat stage, is warming up to 960 DEG C in 3-5h
And it keeps the temperature；Object to be sintered is more preferably sent into the low-temperature zone of the sintering furnace, is warming up to 300 in 1-3h, preferably 2-2.5h
DEG C Natural Water is drained, 960 DEG C are then warming up in 1-3h, preferably 2-2.5h and drains mechanical water, and in 960 DEG C of heat preservation 0.5-
2h, preferably 1-1.5h, to exclude the impurity as main component such as nitrogen hydrogen.Object after low-temperature heat enters the high temperature sintering stage,
The 1000-1300 DEG C of heating 2-3h in high temperature section, it is final to be burnt into.Sintered object enters cooling stage, cold in cooling section
But to 300 DEG C hereinafter, taking out；Sintered object is more preferably cooled to 800 DEG C hereinafter, then in 1-3h in 5-15min
300 DEG C or less taking-ups are inside cooled to, then naturally cool to room temperature again.
The time that object to be sintered heats at different temperatures can pass through the running speed and burning of control delivery track 43
The temperature of different location is realized in freezing of a furnace.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of sintering furnace with residual heat using device, which is characterized in that including furnace shell (41), sintering heat source (42), conveying
Track (43), the furnace shell (41) include being sequentially connected logical low-temperature zone, high temperature section and cooling section, the cooling section and waste heat benefit
It is connected with device (5)；The sintering heat source (42) is used to provide heat, the conveying to the low-temperature zone and the high temperature section
Track (43) runs through the furnace shell (41), and the delivery track (43) is under the driving of conveyance drive mechanism, by the low temperature
Section is mobile to the cooling section.
2. sintering furnace according to claim 1, which is characterized in that the cooling section and residual heat using device of the furnace shell (41)
(5) it is connected specifically: the cooling section of the furnace shell (41) is equipped with opening, described to be open and the residual heat using device (5)
Blast pipe (51) is connected, and the cooling section of the blast pipe (51) or the furnace shell (41) is equipped with blower.
3. sintering furnace according to claim 2, which is characterized in that the residual heat using device (5) further include with it is described into
The discharge pipe (52) and winding pipe (53) that air hose (51) is connected, described winding pipe (53) one end and the discharge pipe
(52) it is connected, the other end is connected with cold air source, and the winding pipe (53) is equipped with the second blower.
4. sintering furnace according to claim 3, which is characterized in that the discharge pipe (52) is equipped with sensor, the waste heat
It is additionally provided with control mechanism using device (5), the control mechanism receives the information of the sensor, and controls the blower and
The operating of two blowers.
5. sintering furnace according to claim 1, which is characterized in that the sintering heat source (42) includes multiple heating elements,
The heating element is distributed in the furnace wall of the low-temperature zone and the high temperature section.
6. sintering furnace according to claim 5, which is characterized in that the heating element quantity of the high temperature section furnace wall is more than institute
State the heating element quantity of low-temperature zone furnace wall.
7. sintering furnace according to claim 5, which is characterized in that the heating element is specially Elema, Si-Mo rod, electricity
Hinder any one or more in silk.
8. a kind of method being sintered using the sintering furnace of any of claims 1-7, which is characterized in that including with
Lower step:
Object to be sintered is sent into the low-temperature zone of the sintering furnace, be warming up to 960 DEG C in 3-5h and is kept the temperature；
The object to be sintered of low-temperature zone is sent into high temperature section, is warming up to 1000-1300 DEG C of heating 2-3h；
Sintered object is sent into cooling section, is cooled to 300 DEG C hereinafter, taking out.
9. according to the method described in claim 8, it is characterized in that, object to be sintered to be sent into the low-temperature zone of the sintering furnace,
It is warming up to 300 DEG C in 1-3h, 960 DEG C are then warming up in 1-3h, and in 960 DEG C of heat preservation 0.5-2h.
10. according to the method described in claim 8, it is characterized in that, sintered object is cooled to 800 in 5-15min
DEG C hereinafter, being then cooled to 300 DEG C or less in 1-3h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910406535.1A CN110118490A (en) | 2019-05-16 | 2019-05-16 | A kind of sintering furnace and its application method with residual heat using device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910406535.1A CN110118490A (en) | 2019-05-16 | 2019-05-16 | A kind of sintering furnace and its application method with residual heat using device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110118490A true CN110118490A (en) | 2019-08-13 |
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ID=67522557
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|---|---|---|---|
| CN201910406535.1A Pending CN110118490A (en) | 2019-05-16 | 2019-05-16 | A kind of sintering furnace and its application method with residual heat using device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101556112A (en) * | 2009-05-21 | 2009-10-14 | 周绍芳 | High temperature energy-saving tunnel kiln for physical thermal circulation application |
| CN201828136U (en) * | 2010-09-21 | 2011-05-11 | 江门市科恒实业股份有限公司 | Waste-heat utilization system for high-temperature kiln |
| CN103423992A (en) * | 2013-08-29 | 2013-12-04 | 郑州鹏泰高新建材制品有限公司 | Energy-saving tunnel kiln used for gangue sintered brick production |
| CN103940221A (en) * | 2013-01-23 | 2014-07-23 | 张志法 | Novel energy-saving kiln |
| CN109163552A (en) * | 2018-09-17 | 2019-01-08 | 李亿明 | Ceramic packing sintering system |
-
2019
- 2019-05-16 CN CN201910406535.1A patent/CN110118490A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101556112A (en) * | 2009-05-21 | 2009-10-14 | 周绍芳 | High temperature energy-saving tunnel kiln for physical thermal circulation application |
| CN201828136U (en) * | 2010-09-21 | 2011-05-11 | 江门市科恒实业股份有限公司 | Waste-heat utilization system for high-temperature kiln |
| CN103940221A (en) * | 2013-01-23 | 2014-07-23 | 张志法 | Novel energy-saving kiln |
| CN103423992A (en) * | 2013-08-29 | 2013-12-04 | 郑州鹏泰高新建材制品有限公司 | Energy-saving tunnel kiln used for gangue sintered brick production |
| CN109163552A (en) * | 2018-09-17 | 2019-01-08 | 李亿明 | Ceramic packing sintering system |
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Application publication date: 20190813 |
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