CN107036446A - The turn-down rig of two-dimensional activity siege - Google Patents
The turn-down rig of two-dimensional activity siege Download PDFInfo
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- CN107036446A CN107036446A CN201710353108.2A CN201710353108A CN107036446A CN 107036446 A CN107036446 A CN 107036446A CN 201710353108 A CN201710353108 A CN 201710353108A CN 107036446 A CN107036446 A CN 107036446A
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- rotary shaft
- siege
- turn
- stirring part
- down rig
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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
- F27D3/00—Charging; Discharging; Manipulation of charge
-
- 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
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
- F27D2003/0083—Means for stirring the charge
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a kind of turn-down rig of two-dimensional activity siege, the turn-down rig includes rotary shaft, stirring part and drive mechanism, the stirring part is located in the rotary shaft and digs material positioned at the top of the two-dimensional activity siege, the stirring part is along the axially arranged into multiple rows of of the rotary shaft, often arranging along the circumference of the rotary shaft includes multiple stirring parts spaced apart, and the drive mechanism is connected to drive the rotary shaft to rotate with the rotary shaft.The turn-down rig of two-dimensional activity siege according to embodiments of the present invention, by setting rotatable stirring part, can dig lower floor's material, enable the uniform heated material of heater, the production efficiency of two-dimensional activity siege is improved, rate of reducing the number of rejects and seconds improves product quality.
Description
Technical field
The present invention relates to metallurgy, petrochemical industry, food processing field, more particularly to a kind of turn-down rig of two-dimensional activity siege.
Background technology
It is that reducing and smelting, destructive distillation carry oil gas, fixed-end forces, the work of dewatered drying in metallurgy, petrochemical industry, food processing field
There are various two-dimensional activity siege heater, such as rotary hearth furnace, revolving bed, pre- hott bed and other tunnel caves in skill.Fill above
The common feature put is that have closed burner hearth, the siege (siege is paved with material during work) of planar movement and above siege
Heater (for example, radiant tube or fuel burner nozzle).When two-dimensional activity siege works, add by radiation, convection current, heat transfer
Thermal material, different according to technique, the heating maximum temperature of material is up to 1450 DEG C.
All there is a common problem in above-mentioned two-dimensional activity siege heater, due to being heated on two-dimensional activity siege
During material be geo-stationary, and heater is generally arranged at siege top, and siege bottom has siege to support and be driven
Mechanism, is not suitable for setting heater, even if trying every possible means to be arranged on siege bottom, because siege is blocked, the effect of heated material is not
It is good.Therefore, the mode of heating of material is realized mainly by radiation, convection current, heat transfer.Due to material paving cloth to after on siege all
There is certain thickness, the upper strata of such material receives that heat is more within the unit interval, and lower floor's material is covered by upper materials, is connect
Received heat is few, and material is heated unbalanced, has a strong impact on product quality, or even can produce a large amount of waste products.
To allow material homogeneous heating during exercise, prior art has the devices such as rotary kiln, dryer, fluidized bed furnace.Rotary kiln,
Dryer is all to have wheel belt, support wheel, travelling gear etc. outside a kind of equipment for having a large-scale rotary kiln cylinder, cylinder.Rotary kiln, drying
Machine discharges in kiln hood, and only there was only a heating burner, and kiln tail is charging aperture and exhaust opening；Under kiln cylinder turning effort, thing
Material rolling is moved from kiln tail to kiln hood up to outflow equipment.Fluidized bed furnace is that boiling material is blown in furnace chamber bottom with high-temperature gas,
It is uniformly heated up material.Although apparatus above can alleviate the uneven phenomenon of material heating, Resolving probiems to a certain extent
Limitation, and said apparatus structure is complex, and reliability is not high, and maintenance cost is larger.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.Therefore, the present invention proposes a kind of put down
The turn-down rig of face activity siege, heater above siege can uniform heated material when realizing siege work.
The turn-down rig of two-dimensional activity siege according to embodiments of the present invention, the turn-down rig bag of the two-dimensional activity siege
Include：Rotary shaft；Stirring part, the stirring part is located in the rotary shaft and dug positioned at the top of the two-dimensional activity siege
Material, the stirring part often arranges the circumference along the rotary shaft including being spaced apart along the axially arranged into multiple rows of of the rotary shaft
Multiple stirring parts；Drive mechanism, the drive mechanism is connected to drive the rotary shaft to rotate with the rotary shaft.
The turn-down rig of two-dimensional activity siege according to embodiments of the present invention, by setting multiple rows of rotatable stirring
Part, can dig lower floor's material so that heater can uniform heated material, improve the production effect of two-dimensional activity siege
Rate, rate of reducing the number of rejects and seconds improves product quality.
In certain embodiments, multiple stirring parts of adjacent two row are staggered.Such design causes stirring part
Can preferably realize that the loose of material is stirred so that material turning it is more thorough, be beneficial to realize heater to material
It is uniformly heated up.
In certain embodiments, the stirring part includes：Linkage section and active section, the linkage section are connected to the rotation
On axle, the active section is connected on the linkage section, and the active section is directed away from the rotation direction of the rotary shaft
The direction extension of the rotary shaft.Such structure enable stirring part preferably play a part of plough turn over material.In addition, turning over
The active section of materials and parts is directed away from the direction extension of the rotary shaft, the i.e. work of stirring part in the rotation direction of the rotary shaft
Make section and there is certain angle with material thickness direction, such design preferably can dig lower floor's material.
Specifically, the linkage section only side is connected with the active section, or the both sides of the linkage section are connected respectively
There is an active section.
Specifically, in the circumferential direction of the rotary shaft, the folder between the tangent line of the active section and the flip piece
Angle is 30-45 degree.Such design make it that stirring part stirring resistance is small, preferably can dig the material of lower floor.
In certain embodiments, in the rotary shaft in the radial direction, the size of the stirring part is 300-350mm.
In some alternatively embodiment, the stirring part is often arranged along institute along the axially arranged into multiple rows of of the rotary shaft
Stating the circumference of rotary shaft includes multiple stirring parts spaced apart.Such design causes there are multiple stirring parts in material operation
Stirring action is carried out, is beneficial to realize that heater is uniformly heated up material.
Specifically, multiple stirring parts of adjacent two row are staggered.Such design enables stirring part preferable
Realize that the loose of material is stirred in ground so that material turning it is more thorough, be beneficial to realize that heater carries out uniformly material
Heat on ground.
More specifically, in the rotary shaft in the radial direction, the size of space of stirring part described in adjacent two row is 300-
350mm。
In some alternatively embodiment, symmetrical two active sections are connected with the linkage section, at described turn
In the rotation direction of moving axis, the front end of two active sections is connected, and the rear end of two active sections is rearwardly towards away from that
This direction extension.The leading portion of two active sections is connected to form as spininess, and two active sections are formed as point during stirring
Triangle headfirst, the leading portion spine of two active sections first inserts material bed, the rear end rear insert bed of material.Such design is protected
Having demonstrate,proved stirring part, to be all the time that spine end is first inserted material bed, stirring part stirring resistance is reduced, so as to improve the stirring of stirring part
Effect.
Specifically, the front end intersecting lens of two active sections is formed as the curve being backwardly recessed, two active sections
Rear end the neighbouring rotary shaft side be provided with breach.Active section front end intersecting lens is formed as the curve being backwardly recessed
The material for being conducive to two active sections to dig produces turnup process by a relatively large margin, further enhancing stirring even results.Institute
Stating active section rear end and there is breach can make the material dug by active section climb over active section from breach, and it is big that material digs amplitude, turns over
Material is thorough.
Specifically, two active sections are formed as the curved slab that middle part is bent toward each other.Such design makes
The material that must be dug by two active sections has turnup process by a relatively large margin, further enhancing stirring even results.
Specifically, in the rotation direction of the rotary shaft, the thickness of two active sections gradually increases backward.So
Be designed with beneficial to further reduce stirring resistance.
In certain embodiments, the turn-down rig of the two-dimensional activity siege also includes：Axle elevating mechanism, the axle lifting
Mechanism is connected to drive the rotary shaft to rise or decline with the rotary shaft.Thus, axle elevating mechanism is set to adjust
The stirring weight of turn-down rig.
In some optional embodiments, the cooling duct for flowing cooling agent is limited in the rotary shaft.Rotate
There is the cooling duct of circulation cooling agent in axle, the cooling duct is rotated on the axial direction of the rotary shaft described in insertion
Axle, the two ends of the rotary shaft are connected to swivel joint, and such design can realize the cooling of rotary shaft and stirring part,
Rotary shaft is played a protective role with stirring part, extends its service life.
Specifically, cooling duct rotary shaft described in insertion, the rotary shaft on the axial direction of the rotary shaft
Two ends be connected to swivel joint.Such design, can make it that endlessly cooling agent is passed through rotary shaft, improves cold
But effect.
In certain embodiments, the drive mechanism includes：Motor and decelerator, the decelerator are connected to the motor
Between the rotary shaft.It is understood that drive mechanism driving rotary shaft rotation, such design can increase stirring part
Stirring effect, the further heated uniformity coefficient of increase material, so as to improve production efficiency.And the frequency for passing through regulation motor
Rate, the rotary speed of stirring part is adjusted according to the movement velocity of material on siege, product quality is further improved.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the turn-down rig structural representation of two-dimensional activity siege according to embodiments of the present invention.
Fig. 2 is the partial structural diagram of revolving bed according to embodiments of the present invention.
Fig. 3 is the turn-down rig structure chart of revolving bed according to embodiments of the present invention.
Fig. 4 is Fig. 3 A to sectional view.
Fig. 5 is Fig. 3 B to sectional view.
Fig. 6 is the front view of the stirring part of revolving bed according to embodiments of the present invention.
Fig. 7 is the left view of the stirring part of revolving bed according to embodiments of the present invention.
Fig. 8 is the stereogram of the stirring part of revolving bed according to embodiments of the present invention.
Fig. 9 is the partial top view of revolving bed according to embodiments of the present invention.
Figure 10 is the partial structural diagram of rotary hearth furnace according to embodiments of the present invention.
Figure 11 is that Figure 10 circle shows the zoomed-in view at C.
Figure 12 is another partial structural diagram of rotary hearth furnace according to embodiments of the present invention.
Figure 13 is the turn-down rig structure chart of rotary hearth furnace according to embodiments of the present invention.
Figure 14 is Figure 13 D to sectional view.
Figure 15 is Figure 13 E to sectional view.
Figure 16 is the front view of the stirring part of rotary hearth furnace according to embodiments of the present invention.
Figure 17 is the left view of the stirring part of rotary hearth furnace according to embodiments of the present invention.
Figure 18 is the top view of the stirring part of rotary hearth furnace according to embodiments of the present invention.
Figure 19 is the stereogram of the stirring part of rotary hearth furnace according to embodiments of the present invention.
Figure 20 is the partial top view of rotary hearth furnace according to embodiments of the present invention.
Figure 21 is the sectional view of preheating furnace according to embodiments of the present invention.
Figure 22 is Figure 21 close-up schematic view.
Figure 23 is the local structural graph of preheating furnace according to embodiments of the present invention.
Figure 24 is the sectional view of the turn-down rig of preheating furnace according to embodiments of the present invention.
Figure 25 is another sectional view of the turn-down rig of preheating furnace according to embodiments of the present invention.
Figure 26 is the front view of the stirring part of preheating furnace according to embodiments of the present invention.
Figure 27 is the left view of the stirring part of preheating furnace according to embodiments of the present invention.
Figure 28 is the stereogram of the stirring part of preheating furnace according to embodiments of the present invention.
Figure 29 is the partial top view of preheating furnace according to embodiments of the present invention.
Figure 30 is the local structural graph of planar movement siege according to embodiments of the present invention.
Figure 31 is the structural representation of another shaft end seal mode according to embodiments of the present invention.
Reference：
Revolving bed 100, rotary hearth furnace 200, preheating furnace 300, body of heater 1, furnace chamber 11, water seal arrangement 12, siege 2, heating radiation
Pipe 3, burner 3b, turn-down rig 4, stirring part 41, linkage section 411, active section 412, breach 413, rotary shaft 42, shaft end seal
421st, fixing seal end cap 421a, be slidingly sealed end cap 421b, outer end cap 421c, inner end cap 421d, sealing material 421e, seal shaft
Hold 421f, back-up ring 421h, oil duct 421g, drive mechanism 43, screw lifting mechanism 44.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
Turn-down rig 4 according to embodiments of the present invention is described below with reference to Fig. 1.
As shown in figure 1, turn-down rig 4 according to embodiments of the present invention, including rotary shaft 42, stirring part 41 and drive mechanism
43.Stirring part 41 is located in rotary shaft 42 and positioned at the top of siege 2 of two-dimensional activity to dig material, and drive mechanism 43 is with rotating
Axle 42 is connected to drive rotary shaft 42 to rotate.
It is understood that turn-down rig 4 is located at the top of siege 2 of two-dimensional activity, during material movement, stirring
The stirring part 41 of device 4 can dig the material of lower floor so that material can uniformly be heated, and improve product quality.In addition,
Stirring part 41 is located in rotary shaft 42, and sets drive device 43 to drive rotary shaft 42 to rotate, such design can increase
Plus the stirring effect of stirring part 41, the uniformity coefficient that further increase material is heated, so as to improve production efficiency.
The turn-down rig 4 of two-dimensional activity siege according to embodiments of the present invention, by setting rotatable stirring part 41, energy
It is enough to dig siege levels material so that heater being capable of uniformly heated material, the production of raising two-dimensional activity siege
Efficiency, rate of reducing the number of rejects and seconds improves product quality.
The turn-down rig 4 of the embodiment of the present invention is described in three kinds of specific two-dimensional activity sieges below with reference to Fig. 2-Figure 29
Application example.
Example one：
As shown in Fig. 2-Fig. 9 is the revolving bed 100 with turn-down rig.Revolving bed 100 in this example is a kind of heat
Radiant tube heating furnace, is used for environment-protecting industrial hot-working field.
As shown in Figure 2 and Figure 9, the revolving bed 100 in this example includes the body of heater 1, siege 2, the and of heating radiation pipe 3 of annular
Turn-down rig 4.Wherein, furnace chamber 11 is limited in body of heater 1, and the outer shroud of furnace chamber 11 has water seal arrangement 12；Siege 2 is located at furnace chamber 11
Interior, siege 2 horizontally rotates around the central axis of body of heater 1；Heating radiation pipe 3 is located on body of heater 1 and is radiated at the upper of siege 2
Side；Turn-down rig 4 includes the stirring part 41 for being used to dig material on siege 2, and stirring part 41 is located in furnace chamber 11 and positioned at siege 2
Top.
As shown in figure 9, in this example, in the region of a quarter of siege 2, being provided with two turn-down rigs 4, and two
Turn-down rig 4 is spaced apart around the central axis of body of heater 1 and set.Meanwhile, provided with 4 heating between two neighboring turn-down rig 4
Radiant tube 3.It is spaced apart around the center of body of heater 1 and multiple stirring parts 41 is set so that material has multiple turn in moving process
Multiple stirring is have passed through during discharge position, i.e. material movement, the degree of being heated evenly of material so can be further improved, reach
Improve the production efficiency of revolving bed 100 and the purpose of product quality.Material passes through after feed opening spreads cloth to rotary hearth 2
Several radiant tube heating responses, upper materials reaction is completed, and is turned over and is broken up through the plough of turn-down rig 4, upper materials and lower floor's material weight
New arrangement, then by several radiant tube heating responses, it is such repeatedly according to technique and layer thickness.Treat that material is all heated equal
Even, reaction completes most to discharge body of heater 1 through drawing mechanism afterwards.
As shown in Fig. 2 turn-down rig 4 includes stirring part 41, rotary shaft 42 and drive mechanism 43.Wherein, rotary shaft 42 is set
On body of heater 1, stirring part 41 is bolted in rotary shaft 42, and the minimum range of stirring part 41 and siege 2 is 10-
15mm.Stirring part 41 is bolted in rotary shaft 42, can be readily achieved the installation and removal of stirring part 41, you can
Easily to carry out the maintenance and replacing of stirring part 41.Presence 10-15mm gaps between stirring part 41 and siege 2, can keep away
Exempt from stirring part 41 and siege 2 is scratched during stirring, cause the abrasion of stirring part 41.
Drive mechanism 43 is connected to drive rotary shaft 42 to rotate with rotary shaft 42.Drive mechanism 43 is located at the outside of body of heater 1,
And including motor and decelerator, decelerator is connected between motor and rotary shaft 42.Axle is connected between rotary shaft 42 and body of heater 1
End 421 mechanisms of sealing.And when the power source of drive mechanism 43 is variable frequency reducer motor, according to the motion of material on siege 2
Speed, can reach the purpose of the rotary speed of regulation stirring part 41, so as to further carry by the running frequency of regulation motor
High yield quality.The device of shaft end seal 421 can ensure because the pernicious gas that the chemical/physical reaction of material is produced will not expand
It is scattered to outside body of heater 1.
The cooling duct for flowing cooling agent, axial direction of the cooling duct in rotary shaft 42 are limited in rotary shaft 42
Upper insertion rotary shaft 42, the two ends of rotary shaft 42 are connected to swivel joint, the swivel joint at two ends be respectively intended to connect into
Go out current.It is understood that during turn-down rig 4 works, cooling agent does not stop in the cooling duct of rotary shaft 42
Ground is flowed, and cooling protection is played a part of to rotary shaft 42 and stirring part 41.
As Figure 6-Figure 8, stirring part 41 includes linkage section 411 and two active sections 412, and linkage section 411, which is connected to, to be turned
On moving axis 42, two active sections 412 are located at the both sides of linkage section 411, each active section 412 in the rotation direction of rotary shaft 42
It is directed away from the direction extension of rotary shaft 42.And in the circumferential direction of rotary shaft 42, each active section 412 and stirring part 41
Angle between tangent line is 30-45 degree.In addition, in rotary shaft 42 in the radial direction, the size of stirring part 41 is 300-
350mm。
It is understood that the tangential direction of stirring part 41 refers to stirring part 41 with the tangent line of the direction of rotation of rotary shaft 42
Direction.Here it is also understood that when stirring part 41 turns to bottom with rotary shaft 42, the front end of active section 412 is first
Material, rear end rear insert material are inserted, inclination angle is 30-45 degree before and after active section 412, i.e. the front end of active section 412 is low, rear end
Height, i.e. active section 412 are tilted backwards in a forward direction so that the formation one of active section 412 is the sharp knife dived downwards forward.
It is understood that the leading portion of two active sections 412 is connected to form as spininess, two work during stirring
Section 412 is formed as the triangle of tip direction, and the leading portion spine of two active sections 412 first inserts material bed, rear end rear insert
The bed of material.It is material bed that such design ensure that stirring part 41 is that spine end is first inserted all the time, reduces the stirring resistance of stirring part 41, from
And improve the stirring effect of stirring part 41.
The front end of active section 412 is relatively thin, rear end is thicker, is conducive to further reducing stirring resistance.Two on stirring part 41
Active section 412 is symmetrical arranged with respect to linkage section 411, and the bearing of trend of two active sections 412 is pressed from both sides with linkage section 411 in 90 degree
Angle.
As shown in fig. 4-5, stirring part 41 is in multiple rows of arrangement, two adjacent row's stirring parts 41 along the axis direction of rotary shaft 42
Stagger 45 ° and set, and the size of space of adjacent two rows stirring part 41 is 300-350mm.There are four stirring parts 41 on each row,
And be evenly distributed on the periphery of rotary shaft 42.In addition, stirring part 41 is made using heat-resisting steel sheet and plate.
This example uses the stirring part 41 with drive device, and the bottoms material of siege 2 is dug and broken up by stirring part 41, makes material
Heated relatively uniform, production technology is wide, and productivity effect is high, good product quality, and maximum production capacity is up to 500,000 tons/year.Stirring is filled
Putting 4 can be set in the different stove section multiple spots of 100 siege of revolving bed 2, can be according to layer thickness, the speed of service of siege 2, regulation stirring speed
Degree, to adapt to manufacturing technique requirent.The siege 2 of revolving bed 100 can flexibly increase after provided with active turn-down rig 4 in any stove section
Heater, heating efficiency is strong.Suitable for petrochemical processing applications.
Example two：
As shown in Figure 10-Figure 20 is the rotary hearth furnace 200 with turn-down rig.Rotary hearth furnace 200 in this example is a kind of
Burner heating furnace, is used for metallurgical hot-working field.
As shown in Figure 10 and Figure 20, rotary hearth furnace 200 in the present embodiment include the body of heater 1 of annular, siege 2, burner 3b and
Turn-down rig 4.Wherein, furnace chamber 11 is limited in body of heater 1, and the outer shroud of furnace chamber 11 has water seal arrangement 12.Siege 2 is located at furnace chamber 11
Interior, siege 2 horizontally rotates around the central axis of body of heater 1, and burner 3b is located on body of heater 1.Turn-down rig 4 includes being used to dig stove
The stirring part 41 of material on bed 2, stirring part 41 is located in furnace chamber 11 and positioned at the top of siege 2.
As shown in figure 20, in this example, in the region of a quarter of siege 2, two turn-down rigs 4, and two are provided with
Individual turn-down rig 4 is spaced apart around the central axis of body of heater 1 and set.Meanwhile, provided with 4 burnings between two neighboring turn-down rig 4
Mouth 3b.
As shown in Figure 10, Figure 12 and Figure 13, turn-down rig 4 includes stirring part 41, rotary shaft 42 and drive mechanism 43.Its
In, rotary shaft 42 is located on body of heater 1, and stirring part 41 is bolted in rotary shaft 42, and stirring part 41 and siege 2 are most
Small distance is 10-15mm；Drive mechanism 43 is connected to drive rotary shaft 42 to rotate with rotary shaft 42.Drive mechanism 43 is located at body of heater
1 outside, and including motor and decelerator, decelerator is connected between motor and rotary shaft 42.Between rotary shaft 42 and body of heater 1
It is connected with the mechanism of shaft end seal 421.The both sides of rotary shaft 42 are connected to screw elevator mechanism 44, can using screw lifting mechanism 44
To adjust the distance between stirring part 41 and siege 2.
As shown in figure 11, the structure of shaft end seal 421 includes：Fixing seal end cap 421a, it is slidingly sealed end cap 421b, the inner
Cover 421d and outer end cap 421c.
Wherein, fixing seal end cap 421a is welded to connect on body of heater 1, is slidingly sealed end cap 421b and outer end cap 421c is equal
It is enclosed in rotary shaft 42, is slidingly sealed in the gap between end cap 421b and outer end cap 421c filled with sealing material 421e outside, it is close
Envelope material 421e can be graphite packing etc., be slidingly sealed between end cap 421b and outer end cap 421c and be bolted.
It is enclosed on and is slidingly sealed on end cap 421b outside inner end cap 421d, solderable are connected to of inner end cap 421d is slidingly sealed end cap
On 421b.It is be arranged in parallel between inner end cap 421d and fixing seal end cap 421a, inner end cap 421d and fixing seal end cap 421a
It can be bolted.
Wherein, vertical elongated hole can be set on inner end cap 421d, bolt can be vertically slidable along elongated hole in the case of release, i.e.,
Inner end cap 421d can be relatively fixed end cover 421a and move up and down, so as to drive rotary shaft 42 vertically movable.When bolt is tightened
When, inner end cap 421d is fixed on fixing seal end cap 421a, so that the height of rotary shaft 42 is fixed.
It should be noted that, it is necessary to elder generation when adjusting the distance between stirring part 41 and siege 2 using screw lifting mechanism 44
The bolt being connected between fixing seal end cap 421a and inner end cap 421d is unclamped, is then adjusted in the height for carrying out turn-down rig 4
Section, tightens the bolt being connected between fixing seal end cap 421a and inner end cap 421d again after the completion of regulation.
In the example, the cooling duct for flowing cooling agent is limited in rotary shaft 42, cooling duct is in rotary shaft 42
Axial direction on insertion rotary shaft 42, the two ends of rotary shaft 42 are connected to swivel joint, the swivel joint difference at two ends
For connecting turnover current
As shown in Figure 16-Figure 19, stirring part 41 includes linkage section 411 and two active sections 412, and linkage section 411 is connected to
In rotary shaft 42, two active sections 412 are located at the both sides of linkage section 411, each active section in the rotation direction of rotary shaft 42
412 are directed away from the direction extension of rotary shaft 42.In the rotation direction of rotary shaft 42, the front end of two active sections 412 is connected,
Rear end extends rearwardly towards direction away from each other.The front end connecting line of two active sections 412, is formed as what centre was backwardly recessed
Curved line, meanwhile, two active sections 412 are also all formed as center section curved slab recessed toward each other.Such design makes
The material that must be dug by two active sections 412 has turnup process by a relatively large margin, further enhancing stirring even results.
In the rotation direction of rotary shaft 42, the thickness of two active sections 412 gradually increases backward, i.e., two active sections
The 412 relatively thin rear end of leading portion is thicker, is conducive to further reducing stirring resistance.As shown in figure 19, the rear end of two active sections 412
Neighbouring rotary shaft 42 side be provided with breach 413.It is understood that during the stirring of stirring part 41, by stirring part 41
The material dug of leading portion spine the inner side of stirring part 41 can be leak into from breach 413, so as to enhance stirring effect.In addition,
In rotary shaft 42 in the radial direction, the size of stirring part 41 is 300-350mm.
As shown in Figure 14-Figure 15, stirring part 41 is in multiple rows of arrangement, two adjacent row's stirring parts along the axis direction of rotary shaft 42
41, which stagger 45 °, is set, and the size of space of adjacent two rows stirring part 41 is 300-350mm.There are four stirring parts on each row
41, and be evenly spaced apart to be distributed on the periphery of rotary shaft 42.In addition, stirring part 41 is made using heat-resisting steel sheet and plate.
The present embodiment uses the stirring part 41 with drive device, and the bottoms material of siege 2 is dug and broken up by stirring part 41, makes thing
Material is heated relatively uniform, and production technology is wide, and productivity effect is high, good product quality, and maximum production capacity is up to 800,000 tons/year.Stirring
Device 4 can be set according to the yield size of rotary hearth furnace 200 in the different stove section multiple spots of siege 2, for example, yield is below 200,000 tons
Rotary hearth furnace 200 can spread 2-3 turn-down rig of cloth；Rotary hearth furnace 200 of the yield below 500,000 tons can spread 3-5 turn-down rig of cloth 4.
Additionally stirring speed and height can be adjusted, to adapt to manufacturing technique requirent according to layer thickness, the speed of service of siege 2.
The siege 2 of rotary hearth furnace 200 can flexibly increase burner 3b after provided with active turn-down rig 4 in any stove section, and heating efficiency is strong, is applicable
In metallurgical technology field.
Example three：
As shown in Figure 21-Figure 29 is the preheating furnace 300 with turn-down rig.Preheating furnace in this example is a kind of hot spoke
Pipe heating furnace is penetrated, is used for petrochemical processing applications.
The preheating furnace 300 of one embodiment of the invention is described below with reference to Figure 21-Figure 29.
As shown in Figure 21 and Figure 29, the preheating furnace 300 in the present embodiment includes the body of heater 1, siege 2, heating radiation of annular
Pipe 3 and turn-down rig 4.Wherein, furnace chamber 11 is limited in body of heater 1, and the outer shroud of furnace chamber 11 has water seal arrangement 12；Siege 2 is located at stove
In chamber 11, siege 2 horizontally rotates around the central axis of body of heater 1；Heating radiation pipe 3 is located on body of heater 1 and is radiated at siege 2
Top；Turn-down rig 4 includes the stirring part 41 for being used to dig material on siege 2, and stirring part 41 is located in furnace chamber 11 and positioned at stove
The top of bed 2.
As shown in figure 29, in this example, in the region of a quarter of siege 2, two turn-down rigs 4, and two are provided with
Individual turn-down rig 4 is spaced apart around the central axis of body of heater 1 and set.Meanwhile, add between two neighboring turn-down rig 4 provided with 4
Heat radiation tube 3.
As shown in Figure 21, Figure 23, turn-down rig 4 includes stirring part 41, rotary shaft 42 and drive mechanism 43.Wherein, rotate
Axle 42 is located on body of heater 1, and stirring part 41 is bolted in rotary shaft 42, and the minimum range of stirring part 41 and siege 2
For 10-15mm；Drive mechanism 43 is connected to drive rotary shaft 42 to rotate with rotary shaft 42.Drive mechanism 43 is located at the outer of body of heater 1
Side, and including motor and decelerator, decelerator is connected between motor and rotary shaft 42.Connected between rotary shaft 42 and body of heater 1
There is the mechanism of shaft end seal 421.The both sides of rotary shaft 42 are connected to screw elevator mechanism 44, can be adjusted using screw lifting mechanism 44
Save the distance between stirring part 41 and siege 2.
As shown in figure 22, the structure of shaft end seal 421 includes：Fixing seal end cap 421a, it is slidingly sealed end cap 421b, the inner
Cover 421d and outer end cap 421c.
Wherein, fixing seal end cap 421a is welded to connect on body of heater 1, is slidingly sealed end cap 421b and outer end cap 421c is equal
It is enclosed in rotary shaft 42, is slidingly sealed in the gap between end cap 421b and outer end cap 421c filled with sealing material 421e outside, it is close
Envelope material 421e can be graphite packing etc., be slidingly sealed between end cap 421b and outer end cap 421c and be bolted.
It is enclosed on and is slidingly sealed on end cap 421b outside inner end cap 421d, solderable are connected to of inner end cap 421d is slidingly sealed end cap
On 421b.It is be arranged in parallel between inner end cap 421d and fixing seal end cap 421a, inner end cap 421d and fixing seal end cap 421a
It can be bolted.
Wherein, vertical elongated hole can be set on inner end cap 421d, bolt can be vertically slidable along elongated hole in the case of release, i.e.,
Inner end cap 421d can be relatively fixed end cover 421a and move up and down, so as to drive rotary shaft 42 vertically movable.When bolt is tightened
When, inner end cap 421d is fixed on fixing seal end cap 421a, so that the height of rotary shaft 42 is fixed.
It should be noted that, it is necessary to elder generation when adjusting the distance between stirring part 41 and siege 2 using screw lifting mechanism 44
The bolt being connected between fixing seal end cap 421a and inner end cap 421d is unclamped, is then adjusted in the height for carrying out turn-down rig 4
Section, tightens the bolt being connected between fixing seal end cap 421a and inner end cap 421d again after the completion of regulation.
The cooling duct (not shown) for flowing cooling agent is limited in rotary shaft 42, cooling duct is in rotary shaft 42
Axial direction on insertion rotary shaft 42, the two ends of rotary shaft 42 are connected to swivel joint, the swivel joint difference at two ends
For connecting turnover current.
As shown in Figure 26-Figure 28, stirring part 41 includes linkage section 411 and active section 412, and linkage section 411 is connected to rotation
On axle 42, active section 412 is in the rotation direction of rotary shaft 42, and active section 412 is directed away from the direction extension of rotary shaft 42.
In the circumferential direction of rotary shaft 42, the angle between the tangent line of active section 412 and stirring part 41 is 45 degree.Such design ensures
Stirring part 41 is insert material bed obliquely all the time, the stirring resistance of stirring part 41 is reduced, so as to improve stirring part 41
Stirring effect.In addition, in rotary shaft 42 in the radial direction, the size of stirring part 41 is 300-350mm.
As shown in Figure 24-Figure 25, stirring part 41 is in multiple rows of arrangement, and two adjacent row's stirrings along the axis direction of rotary shaft 42
Part 41, which staggers 30 °, to be set.And the size of space of adjacent two rows stirring part is 300-350mm.There are six stirring parts on each row
41, and uniform intervals turn up the soil and are distributed on the periphery of rotary shaft 42.In addition, stirring part 41 is made using heat-resisting steel sheet and plate.
The present embodiment uses the stirring part 41 with drive device, and the bottoms material of siege 2 is dug and broken up by stirring part 41, makes thing
Material is heated relatively uniform, and production technology is wide, and productivity effect is high, good product quality, and maximum production capacity is up to 500,000 tons/year.Stirring
Device 4 can be set in the different stove section multiple spots of 300 siege of preheating furnace 2, can adjust stirring according to layer thickness, the speed of service of siege 2
Speed, to adapt to manufacturing technique requirent.The siege 2 of preheating furnace 300 can flexibly increase after provided with active turn-down rig 4 in any stove section
Thermal is added, heating efficiency is strong.Suitable for petrochemical processing applications.Siege 2 is annular and rotated in three above example
Move, and in this example shown in Figure 30, siege 2 is turn-down rig 4, burner 3b, shaft end seal in planar movement siege, this example
The even structure three above examples such as 421 are similar, do not make excessively to repeat herein.
The form of the shaft end seal 421 in additional description, aforementioned four example is needed to be not limited to institute in above-mentioned example
The structure of narration, can also be following structure：
As shown in figure 31, shaft end seal 421 includes fixing seal end cap 421a and is slidingly sealed end cap 421b.Wherein, Gu
Determine end cover 421a to be fixedly connected and (for example weld) on body of heater 1, be slidingly sealed outside end cap 421b and be enclosed in rotary shaft 42, it is sliding
It is be arranged in parallel between dynamic sealing end cap 421b and fixing seal end cap 421a, is slidingly sealed end cap 421b and fixing seal end cap
421a can be bolted, and be provided with seal washer therebetween.
Wherein, vertical elongated hole can be set on fixing seal end cap 421a, bolt can be vertical along elongated hole in the case of release
Slide, that is, be slidingly sealed end cap 421b and can be relatively fixed end cover 421a and move up and down, so as to drive the vertically shifting of rotary shaft 42
It is dynamic.When bolt is tightened, it is slidingly sealed end cap 421b and is fixed on fixing seal lid lid 421a, so that the height of rotary shaft 42 is consolidated
It is fixed.
It should be noted that when can adjust the distance between stirring part 41 and siege 2 using screw lifting mechanism 44, needing
The bolt for being connected to fixing seal end cap 421a and being slidingly sealed between end cap 421b is first unclamped, is then entering row distance tune
Section, tightens the bolt for being connected to fixing seal end cap 421a and being slidingly sealed between end cap 421b again after the completion of regulation.
Specifically, in this example, shaft end seal 421 includes：Sealed bearings 421f, outer end cap 421c and inner end cap
421d, sealed bearings 421f, which are set in, to be slidingly sealed between end cap 421b and rotary shaft 42, is rotated with support rotating axle 42.Outer end
Lid 421c and inner end cap 421d is outer successively to be enclosed in rotary shaft 42, and inner end cap 421d stops the outer ring for being against sealed bearings 421f
On, inner end cap 421d is connected with being slidingly sealed end cap 421b, and outer end cap 421c is connected with inner end cap 421d.
Wherein, it is slidingly sealed between end cap 421b and rotary shaft 42 and is provided with sealing material 421e, sealing material 421e is rubber
Cushion rubber.It is slidingly sealed to be maintained at rubber ring between end cap 421b and rotary shaft 42, is slidingly sealed end cap 421b and rotary shaft
Back-up ring 421h is provided between 42, back-up ring 421h is located at the sealing material 421e side towards fixing seal end cap 421a.
Sealing material 421e is also equipped between inner end cap 421d and rotary shaft 42, sealing material 421e is rubber ring.To make
Rubber ring is held between end cap 421d and rotary shaft 42, and outer end cap 421c is covered in inner end cap 421d side.
It is slidingly sealed on end cap 421b and is additionally provided with sealing oil duct 421g, sealing oil duct is with being slidingly sealed end cap 421b and rotation
Gap between axle 42 is communicated.
Inner end cap 421d and being slidingly sealed between end cap 421b be arranged in parallel, inner end cap 421d and is slidingly sealed end cap 421b
It can be bolted.It is be arranged in parallel between outer end cap 421c and inner end cap 421d, outer end cap 421c can lead to inner end cap 421d
Cross bolt connection.
In the description of this specification, reference term " example ", " some examples ", " schematic example ", " example ",
The description of " specific example " or " some examples " etc. mean to combine the specific features that the example or example describe, structure, material or
Person's feature is contained at least one example of the present invention or example.In this manual, to the schematic representation of above-mentioned term
It is not necessarily referring to identical example or example.Moreover, specific features, structure, material or the feature of description can be any
One or more examples or example in combine in an appropriate manner.
While there has been shown and described that example of the invention, it will be understood by those skilled in the art that：Do not taking off
These examples can be carried out with a variety of change, modification, replacement and modification, the present invention in the case of principle and objective from the present invention
Scope limited by claim and its equivalent.
Claims (10)
1. a kind of turn-down rig of two-dimensional activity siege, it is characterised in that including：
Rotary shaft；
Stirring part, the stirring part is located in the rotary shaft and positioned at the top of the two-dimensional activity siege to dig material,
The stirring part often arranges multiple including what is be spaced apart along the circumference of the rotary shaft along the axially arranged into multiple rows of of the rotary shaft
The stirring part；
Drive mechanism, the drive mechanism is connected to drive the rotary shaft to rotate with the rotary shaft.
2. the turn-down rig of two-dimensional activity siege according to claim 1, it is characterised in that adjacent two row's is multiple described
Stirring part is staggered.
3. the turn-down rig of two-dimensional activity siege according to claim 1, it is characterised in that the stirring part includes：Even
Section and active section are connect, the linkage section is connected in the rotary shaft, and the active section is connected on the linkage section, described
The active section is directed away from the direction extension of the rotary shaft in the rotation direction of rotary shaft.
4. the turn-down rig of two-dimensional activity siege according to claim 3, it is characterised in that the linkage section only side connects
The active section is connected to, or the both sides of the linkage section are connected to an active section.
5. the turn-down rig of two-dimensional activity siege according to claim 3, it is characterised in that in the circumference of the rotary shaft
On direction, the angle between the tangent line of the active section and the flip piece is 30-45 degree.
6. the turn-down rig of two-dimensional activity siege according to claim 3, it is characterised in that be connected with the linkage section
Symmetrical two active sections, in the rotation direction of the rotary shaft, the front end of two active sections is connected, two institutes
The rear end for stating active section extends rearwardly towards direction away from each other, and the thickness of the active section gradually increases in the direction of extension
Plus.
7. the turn-down rig of two-dimensional activity siege according to claim 6, it is characterised in that before two active sections
End intersecting lens is formed as the curve being backwardly recessed, and the side of the neighbouring rotary shaft of the rear end of two active sections is provided with scarce
Mouthful.
8. the turn-down rig of two-dimensional activity siege according to claim 6, it is characterised in that two active sections are formed
The curved slab bent toward each other for middle part.
9. the turn-down rig of two-dimensional activity siege according to claim 1, it is characterised in that also include：Axle elevating mechanism,
The axle elevating mechanism is connected to drive the rotary shaft to rise or decline with the rotary shaft.
10. the turn-down rig of the two-dimensional activity siege according to any one of claim 1-9, it is characterised in that described turn
The cooling duct for flowing cooling agent, cooling duct insertion on the axial direction of the rotary shaft are limited in moving axis
The rotary shaft, the two ends of the rotary shaft are connected to swivel joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710353108.2A CN107036446A (en) | 2017-05-18 | 2017-05-18 | The turn-down rig of two-dimensional activity siege |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710353108.2A CN107036446A (en) | 2017-05-18 | 2017-05-18 | The turn-down rig of two-dimensional activity siege |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107036446A true CN107036446A (en) | 2017-08-11 |
Family
ID=59537665
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710353108.2A Pending CN107036446A (en) | 2017-05-18 | 2017-05-18 | The turn-down rig of two-dimensional activity siege |
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| Country | Link |
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| CN (1) | CN107036446A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571896A (en) * | 2018-04-23 | 2018-09-25 | 长兴沪鑫机械制造有限公司 | A kind of stirring driving of graphite heat preservation sand |
-
2017
- 2017-05-18 CN CN201710353108.2A patent/CN107036446A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571896A (en) * | 2018-04-23 | 2018-09-25 | 长兴沪鑫机械制造有限公司 | A kind of stirring driving of graphite heat preservation sand |
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