CN206989726U - A kind of rotary hearth furnace - Google Patents
A kind of rotary hearth furnace Download PDFInfo
- Publication number
- CN206989726U CN206989726U CN201720789605.2U CN201720789605U CN206989726U CN 206989726 U CN206989726 U CN 206989726U CN 201720789605 U CN201720789605 U CN 201720789605U CN 206989726 U CN206989726 U CN 206989726U
- Authority
- CN
- China
- Prior art keywords
- knurl
- rotary hearth
- helical blade
- furnace bottom
- rotating shaft
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of rotary hearth furnace, including body of heater and rotatable furnace bottom, and body of heater and furnace bottom form annular space in the side of furnace bottom provided with knurl device is removed, and the side wall of body of heater is provided with out knurl mouth；Except knurl device includes helical blade, rotating shaft, mounting bracket, scraper plate and goes out knurl groove；Helical blade is located at the side of furnace bottom；Helical blade is fixed in rotating shaft；Rotating shaft is rotatably mounted on mounting bracket, and mounting bracket is fixed on the furnace roof of body of heater；One end of scraper plate is fixedly connected with mounting bracket, and the other end is located at the end of helical blade；Go out knurl groove to be located at below helical blade；Go out knurl groove and connect out knurl mouth.Rotary hearth furnace of the present utility model sets in the side of furnace bottom and removes knurl device, for removing the sticky lump on furnace bottom, ensures being smoothed out for production.
Description
Technical field
The utility model belongs to technical field of metallurgical equipment, and be specifically related to a kind of removable furnace bottom sticky lump turns bottom
Stove.
Background technology
With the application of various high-end electrical equipment, the vehicles, aerospace material, non-ferrous metal is used by a large amount of exploitations.
While smelting non-ferrous metal, substantial amounts of non-ferrous metal slag is generated, non-ferrous metal slag is deposited in storage factory, to be handled.
In the kinds of processes for handling waste residue at this stage, processing mode most efficiently, environmentally friendly is to handle waste residue with rotary hearth furnace.
At a high temperature of rotary hearth furnace processing, often there are some melt substances on the surface of the bed of material.The fusing point of these materials is relatively low, is turning bottom
During furnace discharge, it is consolidated into knurl when can be sticky in furnace bottom side, and be again introduced into low-temperature space.Through knurl body after a while grow up with
Rotary hearth furnace sidewall friction, body of heater normal operation, or even card stove are influenceed, rotary hearth furnace is influenceed and normally produces.
Utility model content
In order to solve the above problems, the utility model proposes a kind of rotary hearth furnace, is set in the side of furnace bottom and removes knurl device, removes
The knurl body bonded on furnace bottom, solve low melting point and be bonded in furnace bottom side, long time integration forms knurl body so that production is not
Suitable problem.
The utility model provides a kind of rotary hearth furnace, including body of heater and rotatable furnace bottom, and the body of heater and furnace bottom form ring
Shape space, it is provided with the side of the furnace bottom and removes knurl device, the side wall of the body of heater is provided with out knurl mouth；
The knurl device that removes includes helical blade, rotating shaft, mounting bracket, scraper plate and goes out knurl groove；
The helical blade is located at the side of the furnace bottom；The helical blade is fixed in the rotating shaft；The rotating shaft
It is rotatably mounted on the mounting bracket, the mounting bracket is fixed on the furnace roof of body of heater；One end of the scraper plate with it is described
Mounting bracket is fixedly connected, and the other end is located at the end of the helical blade；It is described go out knurl groove be located at below the helical blade；Institute
State out and go out knurl mouth described in the connection of knurl groove.
Preferably, the annular space of the rotary hearth furnace is divided into cloth area, heating zone and discharge zone, described to remove knurl device position
In the cloth area.
As the preferable scheme of the utility model, further comprise spiral discharging device, the spiral discharging device is arranged on institute
Discharge zone is stated, positioned at the top of the furnace bottom.
Further, the power set of the spiral discharging device are connected with speed changer, and the speed changer drives the rotating shaft
Rotation.
Further, transmission switch is provided between the speed changer and the rotating shaft.
As preferred scheme of the present utility model, the axis of the rotating shaft is with the furnace bottom except the tangent line at knurl device is put down
OK.
When being worked except knurl device, the direction of rotation of the helical blade is opposite with the furnace bottom direction of rotation.
As preferable scheme, the helical blade is dumbbell shape, and the height of middle part blade is 10~15cm, tip blades
Height be 39~51cm.
Further, the mounting bracket includes fixed arm and turning arm, and one end of the fixed arm is fixed on the body of heater
Furnace roof on, the other end is hinged with the turning arm, and the rotating shaft is rotatably mounted on the turning arm, and the scraper plate is consolidated
It is scheduled on the turning arm.
The rotary hearth furnace of removable furnace bottom sticky lump provided by the utility model, solve low melting point and tied in furnace bottom side
Knurl, caused card stove, produce the problem of having some setbacks；Sticky lump is removed, rotary hearth furnace power burden is alleviated, reduces energy consumption, save energy
Source；The knurl body of removal, recoverable, reduces the loss of material.
Brief description of the drawings
Fig. 1 is the side view that the utility model embodiment removes knurl device；
Fig. 2 is the front view that the utility model embodiment removes knurl device；
Fig. 3 is the local overlooking schematic diagram of the utility model embodiment rotary hearth furnace.
In figure：
1- bodies of heater, 2- furnace bottoms,
3- removes knurl device, 31- mounting brackets, 311- fixed arms, 312- turning arms, 32- rotating shafts, 33- helical blades, 34- scraper plates,
35- goes out knurl groove,
4- spiral discharging devices, the power set of 41- spiral discharging devices,
5- clothes area, 6- heating zones, 7- discharge zones.
Embodiment
Below in conjunction with drawings and examples, specific embodiment of the present utility model is described in more details, with
Just the advantages of better understood when scheme and its various aspects of the present utility model.However, specific implementations described below side
Formula and embodiment are for illustrative purposes only, rather than to limitation of the present utility model.
As depicted in figs. 1 and 2, the utility model embodiment provides a kind of rotary hearth furnace, and the rotary hearth furnace includes body of heater 1 and can revolved
The furnace bottom 2 turned, body of heater 1 and furnace bottom 2 form annular space.Heater is installed on rotary hearth furnace, heat energy is provided for rotary hearth furnace.
During work, material is entered by the charging aperture of rotary hearth furnace, is laid on furnace bottom, furnace bottom rotating band animal material is moved to out by charging aperture
Material mouth is simultaneously heated, and material is discharged by the discharging opening of rotary hearth furnace.
It is provided with the side of furnace bottom 2 and removes knurl device 3, except knurl device 3 is used to remove the knurl body bonded on furnace bottom 2.Except knurl device 3 includes
Mounting bracket 31, rotating shaft 32, helical blade 33, scraper plate 34 and go out knurl groove 35.
Mounting bracket 31 is fixed on the top of body of heater 1, and mounting bracket 31 includes fixed arm 311 and turning arm 312, fixed arm 311
One end be fixed on the top of body of heater 1, the other end is be hinged with turning arm 312.Rotating shaft 32 is rotatably mounted to turning arm 312
On, the both ends of rotating shaft 32 are equipped with turning arm 312.Fixed arm 311 and the be hinged of turning arm 312 can protect with damping, damping force
When demonstrate,proving normal work, except knurl device removes sticky lump body, but when the power being subject to except knurl device is excessive, turning arm 312 drives rotating shaft 32
Swing, avoid except knurl device 3 is impaired.
Helical blade 33 is installed with rotating shaft 32, helical blade 33 is located at the side of the between outer land of furnace bottom 2.The spiral shell of rotation
Vane piece can remove the knurl body bonded on furnace bottom 2.Preferably, helical blade 33 is dumbbell shaped, i.e. the helical blade height at both ends
Greatly, the height of the helical blade at middle part is small so that the edge of helical blade forms a curve, is engaged with the edge of furnace bottom 2.
The axis of rotating shaft 32 is with furnace bottom 2 except the tangent line at knurl device is parallel.Center and rotary furnace bottom 2 except knurl device 3
Line on the basis of the line at center, the tangent line of the furnace bottom 2 vertical with this datum line is the tangent line removed at knurl device of furnace bottom 2.This is removed
The arranged direction of knurl device, it is more convenient for except knurl device 3 removes sticky lump.
In the utility model embodiment, it is preferred that the length of rotating shaft is 80-100cm, and middle spiral blade height is 10-
15cm, the height of both ends helical blade is 39-51cm, and the distance of shaft axis and furnace bottom edge is 40-52cm.Art technology
Personnel can design the size except knurl device 3 according to the actual size of rotary hearth furnace.
In the present embodiment, scraper plate 34 is fixed with turning arm 312, scraper plate 34 is located at the end of helical blade 33, for scraping
Except the knurl body adhered on helical blade 33, that improves helical blade 33 removes knurl effect.When turning arm 312 is swung, scraper plate 34 follows
It is mobile.
Be arranged right below out knurl groove 35 in helical blade 33, the side wall of rotary hearth furnace is provided with out knurl mouth, go out knurl groove 35 with
Go out the connection of knurl mouth.The length for going out knurl groove 35 is more than the length of helical blade 33, and the knurl body scraped on helical blade 33 falls into out knurl
Groove 35, by going out knurl mouth discharge rotary hearth furnace.
As shown in figure 3, the annular space of rotary hearth furnace is divided into cloth area 5, heating zone 6 and discharge zone 7.Rotary hearth furnace enters
Material mouth is located at cloth area 5, and discharging opening is located at discharge zone 7, between the charging aperture and discharging opening of rotary hearth furnace, the bonding on furnace bottom 2
Knurl will not be hardened, there is certain softness, so the side for cloth area furnace bottom being arranged on except knurl device 3.
When being worked except knurl device, the direction of rotation of helical blade 33 is opposite with the direction of rotation of furnace bottom 2.The rotation of furnace bottom 2
The sticky lump on furnace bottom is driven to follow rotation, the direction of rotation of helical blade 33 so that sticky lump head-on connects with helical blade 33
Touch so that except knurl device is easier to remove sticky lump.
In the present embodiment, spiral discharging device 4 is provided with discharge zone 7, spiral discharging device 4 is arranged on the top of furnace bottom 2, is used for
The discharging of metallized pellet on furnace bottom.
Except knurl device 3 and spiral discharging device 4 share a set of driving structure, device structure can be simplified.In the present embodiment, spiral goes out
The power set 41 of glassware are connected with speed changer (not shown), and transmission belt turn axle 32 rotates.In speed changer and rotating shaft
Transmission switch is provided between 32.It is engageable gear in transmission switch, driving wheel is connected with speed changer, driven pulley and rotating shaft 32
, it is necessary to when removing the work of knurl device, driving wheel engages with driven pulley for connection, drives rotating shaft 32 to rotate.When rotating shaft 32 will stop the rotation,
Control driving wheel separates with driven pulley, you can stops the rotation of rotating shaft 32.Transmission switch of the present utility model is not limited only to this reality
The transmission switch of example selection is applied, those skilled in the art also can use the transmission of other forms to switch, realize identical function.
The present embodiment provide removable furnace bottom sticky lump rotary hearth furnace, using except knurl device remove furnace bottom on sticky lump,
Alleviate rotary hearth furnace power burden.The knurl body of removing is collected, recoverable, increased economic efficiency.
Embodiment 1
Set in the furnace bottom side of rotary hearth furnace and remove knurl device, except knurl device is arranged on cloth area, be fixed on furnace roof.Except knurl device can incite somebody to action
The knurl body being bonded on furnace bottom is removed by the rotation of helical blade, and knurl body moves to the end of helical blade with helical blade,
Or come off on a small quantity in motion process.Except knurl device is provided with scraper plate, the material on helical blade can be removed.In helical blade
Underface set go out knurl groove, for receiving the knurl body fallen on helical blade, knurl body is by going out knurl mouth discharge rotary hearth furnace.
The height at helical blade both ends is more than middle height so that the profile of helical blade and the circumference phase of furnace bottom
Match somebody with somebody.In the present embodiment, the length of rotating shaft is 90cm, and the height of middle spiral blade is 15cm, and the height of end convolution blade is
42cm, spindle central and the outer peripheral distance of furnace bottom are 43cm.Rotating shaft is rotatably mounted on turning arm, turning arm and fixation
Arm is hinged so that turning arm can be relatively fixed arm swing, and one end of fixed arm is fixed on furnace bottom, be so easy to except knurl operation and
Except the handling of knurl device are cleared up.Except knurl device and spiral discharging device share a set of driving structure, driving structure is driven by speed changer and removed
The rotation of knurl device.
It should be noted that each embodiment above by reference to described by accompanying drawing is only illustrating the utility model rather than limit
The scope of the utility model processed, it will be understood by those within the art that, do not departing from spirit of the present utility model and model
The modification carried out on the premise of enclosing to the utility model or equivalent substitution, all should cover within the scope of the utility model.
In addition, signified outer unless the context, the word occurred in the singular includes plural form, and vice versa.In addition, except non-specifically
Explanation, then all or part of of any embodiment can combine all or part of of any other embodiment and use.
Claims (9)
1. a kind of rotary hearth furnace, including body of heater and rotatable furnace bottom, the body of heater and furnace bottom form annular space, and its feature exists
In in the side of the furnace bottom provided with knurl device is removed, the side wall of the body of heater is provided with out knurl mouth；
The knurl device that removes includes helical blade, rotating shaft, mounting bracket, scraper plate and goes out knurl groove；
The helical blade is located at the side of the furnace bottom；The helical blade is fixed in the rotating shaft；The rotating shaft can revolve
What is turned is arranged on the mounting bracket, and the mounting bracket is fixed on the furnace roof of body of heater；One end of the scraper plate and the installation
Frame is fixedly connected, and the other end is located at the end of the helical blade；It is described go out knurl groove be located at below the helical blade；
It is described go out knurl groove connection described in go out knurl mouth.
2. rotary hearth furnace according to claim 1, it is characterised in that the annular space of the rotary hearth furnace is divided into cloth
Area, heating zone and discharge zone, it is described except knurl device is located at the cloth area.
3. rotary hearth furnace according to claim 2, it is characterised in that further comprise spiral discharging device, the spiral discharging
Device is arranged on the discharge zone, positioned at the top of the furnace bottom.
4. rotary hearth furnace according to claim 3, it is characterised in that the power set of the spiral discharging device connect with speed changer
Connect, the speed changer drives the rotating shaft rotation.
5. rotary hearth furnace according to claim 4, it is characterised in that transmission is provided between the speed changer and the rotating shaft
Switch.
6. rotary hearth furnace according to claim 1, it is characterised in that the axis of the rotating shaft is with the furnace bottom except at knurl device
Tangent line it is parallel.
7. rotary hearth furnace according to claim 1, it is characterised in that revolved with the furnace bottom direction of rotation of the helical blade
Turn in opposite direction.
8. rotary hearth furnace according to claim 1, it is characterised in that the helical blade is dumbbell shape, the height of middle part blade
Spend for 10~15cm, the height of tip blades is 39~51cm.
9. rotary hearth furnace according to claim 1, it is characterised in that the mounting bracket includes fixed arm and turning arm, described
One end of fixed arm is fixed on the furnace roof of the body of heater, and the other end is hinged with the turning arm, the rotatable peace of rotating shaft
On the turning arm, the scraper plate is fixed on the turning arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720789605.2U CN206989726U (en) | 2017-06-30 | 2017-06-30 | A kind of rotary hearth furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720789605.2U CN206989726U (en) | 2017-06-30 | 2017-06-30 | A kind of rotary hearth furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206989726U true CN206989726U (en) | 2018-02-09 |
Family
ID=61400646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720789605.2U Expired - Fee Related CN206989726U (en) | 2017-06-30 | 2017-06-30 | A kind of rotary hearth furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206989726U (en) |
-
2017
- 2017-06-30 CN CN201720789605.2U patent/CN206989726U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190102 Granted publication date: 20180209 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220102 Granted publication date: 20180209 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 Termination date: 20190630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |