CN109321722A - A kind of spheroidizing annealing furnace - Google Patents
A kind of spheroidizing annealing furnace Download PDFInfo
- Publication number
- CN109321722A CN109321722A CN201811172787.4A CN201811172787A CN109321722A CN 109321722 A CN109321722 A CN 109321722A CN 201811172787 A CN201811172787 A CN 201811172787A CN 109321722 A CN109321722 A CN 109321722A
- Authority
- CN
- China
- Prior art keywords
- furnace body
- plate
- water conservancy
- conservancy diversion
- side plate
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/32—Soft annealing, e.g. spheroidising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention discloses a kind of spheroidizing annealing furnace, including external furnace body, external furnace body has furnace shoulder, external furnace body is equipped with bell, and external furnace body is equipped with electric heating wire, is equipped with inner furnace body in external furnace body, inner furnace body has ventilation opening, the interior bottom of external furnace body is equipped with water conservancy diversion frame, and water conservancy diversion frame includes water conservancy diversion bottom plate, and water conservancy diversion bottom plate center has wind wheel installing zone, wind wheel installing zone center is equipped with rotor shaft, rotor shaft is equipped with wind wheel, and the rotor shaft first line of a couplet is connected to motor, and water conservancy diversion bottom plate is equipped with air guide member；Inner furnace body is equipped with loading plate, and loading plate includes center drum, and circular array shows extension side plate on center drum, and center drum outside holds round ring plate equipped with several, extends side plate and is equipped with inlay card slot, support circular ring plate is embedded in inlay card slot.The annealing furnace is shunted by internal gas flow, is realized that in-furnace temperature is uniform and stable, is reached uniform annealing effect；And be arranged through grid-like loading plate, play the role of aerial steel, keep its upper and lower temperature difference small, annealing is uniform.
Description
Technical field
The present invention relates to annealing furnace technical fields, more specifically, it relates to a kind of spheroidizing annealing furnace.
Background technique
Spheroidizing annealing furnace is used to make spheroidizing to steel, is mainly laid with heater strip by inboard wall of furnace body, then close through bell lid,
So that in-furnace temperature is increased simultaneously certain time, realizes spheroidizing operation, but existing furnace structure is simple, different positions in furnace
The temperature set is different, causes steel annealing degree different, influences subsequent processing and uses；And steel are placed on furnace bottom face and carry out
Annealing, bottom temp are higher than top, and upper and lower temperature difference is big, and annealing effect is bad.Accordingly, the invention proposes a kind of nodularizations to move back
Stove.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art described above, a kind of spheroidizing annealing furnace is provided, the annealing furnace
It is shunted by internal gas flow, realizes that in-furnace temperature is uniform and stable, reach uniform annealing effect；And it is set through grid-like loading plate
It sets, plays the role of aerial steel, so that its upper and lower temperature difference is small, uniformly, annealing effect is good for annealing.
In order to solve the above technical problems, the object of the present invention is achieved like this: a kind of nodularization according to the present invention is moved back
Stove, the external furnace body including fire door upward, external furnace body have furnace shoulder, are additionally provided with bell on the external furnace body, the external furnace body
It is laid with electric heating wire on inner wall, inner furnace body is equipped in the external furnace body, the bottom of inner furnace body has ventilation opening, the external furnace body
Interior bottom be equipped with the water conservancy diversion frame being located at below inner furnace body, water conservancy diversion frame includes water conservancy diversion bottom plate, water conservancy diversion bottom plate edge have vertically to
The flange of upper protuberance, water conservancy diversion bottom plate center have wind wheel installing zone, and wind wheel installing zone center is equipped with switching in the water conservancy diversion
Rotor shaft on bottom plate, rotor shaft are equipped with wind wheel, and the rotor shaft first line of a couplet is connected to the motor of its rotation of control, the water conservancy diversion bottom
Plate is equipped with several air guide members around rotor shaft for center annular array, and adjacent two air guide member forms an air-guiding aisle, and wind-guiding is logical
Road has the air outlet close to the air intake vent of the wind wheel installing zone and away from wind wheel installing zone, and the air guide member has close to wind
The toe end for taking turns installing zone and aft end away from wind wheel installing zone, aft end abut the flange inner wall, in the toe end
Abutting has the V-type limited block affixed with water conservancy diversion bottom plate, and the air guide member inlay card is between V-type limited block and flange；The interior furnace
The inner bottom surface of body is equipped with loading plate, and loading plate includes center drum, and circular array shows several extension side plates, phase on center drum
The angle that neighbour two extends side sheet room is equal, and described extension side plate one end and center drum weld, and the bottom of the other end has rounding
Angle, is equipped with the support circular ring plate that several diameters are sequentially increased on the outside of the center drum from inside to outside, support circular ring plate with it is described
Center drum is coaxially set, and offers the upward inlay card slot of notch on the extension side plate, the support circular ring plate is embedded
In inlay card slot.
The present invention is further arranged to: the two sides of the air guide member are also sticked the lateral confinement position being fixed on water conservancy diversion bottom plate
Block.
The present invention is further arranged to: the air guide member includes the first side plate and the second side plate, first side plate and the
The welding of two side plate one end, the other end and the second side sheet room are equipped with tail portion connecting plate；First side plate and the second side plate are middle part
To the curved curved slab in the same side.
The present invention is further arranged to: first side plate and the second side sheet room are additionally provided with middle connecting plate.
The present invention is further arranged to: offering stress elimination hole on the extension side plate and/or support circular ring plate.
The present invention is further arranged to: the sealing strip being pressed on furnace shoulder is embedded on the bell.
The present invention is further arranged to: the sealing strip is ceramic fibre material.
In conclusion the invention has the following advantages: spheroidizing annealing furnace according to the present invention, by inner furnace body and
Water conservancy diversion frame is set between external furnace body, and wind wheel rotation is taken by motor and generates air-flow, is shunted through the air-guiding aisle on water conservancy diversion frame, in realization
Homogeneous heating on the outside of furnace body reaches uniform annealing effect so that in-furnace temperature is uniform and stable；By annealing, steel bottom shelf is set
Loading plate, the disc-shaped grid of loading plate, heat conduction and heat radiation effect is good, and keeps steel or more temperature difference small, and uniformly, annealing is imitated for annealing
Fruit is good, and allomeric function is perfect, practical.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the present invention for embodying the structural schematic diagram of water conservancy diversion frame；
Fig. 3 is the present invention for embodying the structural schematic diagram of air guide member；
Fig. 4 is the present invention for embodying the structural schematic diagram of loading plate；
Fig. 5 is the present invention for embodying the structural schematic diagram for extending side plate.
Specific embodiment
The present invention is further described with preferred embodiment with reference to the accompanying drawing.
Referring to shown in Fig. 1 to 5, a kind of spheroidizing annealing furnace involved in the present embodiment, the external furnace body 1 including fire door upward,
External furnace body 1 has furnace shoulder 2, is additionally provided with bell 3 on the external furnace body 1, is laid with electric heating wire 4 on the inner wall of the external furnace body 1,
Inner furnace body 5 is equipped in the external furnace body 1, the bottom of inner furnace body 5 has ventilation opening 6, and the interior bottom of the external furnace body 1, which is equipped with, to be located at
The water conservancy diversion frame 7 of 5 lower section of inner furnace body, water conservancy diversion frame 7 include water conservancy diversion bottom plate 8, and 8 edge of water conservancy diversion bottom plate has the flange swelled vertically upward
9,8 center of water conservancy diversion bottom plate has wind wheel installing zone 10, and 10 center of wind wheel installing zone is equipped with switching on the water conservancy diversion bottom plate 8
Rotor shaft 11, rotor shaft 11 be equipped with wind wheel 12,11 first line of a couplet of rotor shaft be connected to control its rotation motor 13, it is described to lead
Bottom plate 8 is flowed equipped with several air guide members 14 for around rotor shaft 11 being center annular array, and adjacent two air guide member 14 forms a wind-guiding
Channel 15, air-guiding aisle 15 have the air outlet close to the air intake vent 16 of the wind wheel installing zone 10 and away from wind wheel installing zone 10
17, the air guide member 14 has the aft end 19 close to the toe end 18 of wind wheel installing zone 10 and away from wind wheel installing zone 10, tail
Portion end 19 abuts 9 inner wall of flange, and abutting in the toe end 18 has the V-type limited block 20 affixed with water conservancy diversion bottom plate 8, described
14 inlay card of air guide member is between V-type limited block 20 and flange 9, so that air guide member 14 is detachable, it is convenient to install and dismantle；In described
The inner bottom surface of furnace body 5 is equipped with loading plate 21, and loading plate 21 includes center drum 22, and circular array is shown several on center drum 22
Extend side plate 23, the angle between adjacent two extensions side plate 23 is equal, and described 23 one end of extension side plate and center drum 22 weld, separately
The bottom of one end has rounded corner 24, and 22 outside of center drum is equipped with the branch that several diameters are sequentially increased from inside to outside and holds round
Ring plate 25, support circular ring plate 25 be coaxially set with the center drum 22, offered on the extension side plate 23 notch to
On inlay card slot 26, the support circular ring plate 25 is embedded in inlay card slot 26.
Further, the two sides of the air guide member 14 are also sticked the side limited block 27 being fixed on water conservancy diversion bottom plate 8, play
The mobile effect of laterally limiting air guide member 14 for limiting prevents 14 lateral activity of air guide member.
Further, the air guide member 14 includes the first side plate 28 and the second side plate 29, first side plate 28 and second
The welding of 29 one end of side plate, is equipped with tail portion connecting plate 30 between the other end and the second side plate 29；First side plate 28 and the second side plate
29 be middle part to the curved curved slab in the same side so that after air-flow is generated with wind wheel 12, can along the side plate water conservancy diversion of curve form,
Resistance is small, and air-flow rate of decay slows down, and wind effect is good.
Further, it is additionally provided with middle connecting plate 31 between first side plate 28 and the second side plate 29, reinforces air guide member 14
Overall structural strength drops not cracky in 14 disassembly process of air guide member.
Further, stress elimination hole 32 is offered on the extension side plate 23 and/or support circular ring plate 25, for being heated
Destressing afterwards prevents from extending side plate 23 and/or supports the overheat of circular ring plate 25 and lead to deformation, also makees heat release hole.
Further, be embedded with the sealing strip 33 being pressed on furnace shoulder 2 on the bell 3, increase airtightness, also have every
The function of heat.
Further, the sealing strip 33 is ceramic fibre material, has excellent high temperature resistance.
The present invention passes through and water conservancy diversion frame is arranged between inner furnace body and external furnace body, and takes wind wheel rotation by motor and generate air-flow, through leading
The air-guiding aisle flowed on frame shunts, and realizes that homogeneous heating reaches and uniformly moves back so that in-furnace temperature is uniform and stable on the outside of inner furnace body
Fiery effect；By annealing, steel bottom shelf sets loading plate, and the disc-shaped grid of loading plate, heat conduction and heat radiation effect is good, and makes on steel
Lower temperature difference is small, and uniformly, annealing effect is good, and allomeric function is perfect, practical for annealing.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (7)
1. a kind of spheroidizing annealing furnace, the external furnace body (1) including fire door upward, external furnace body (1) have furnace shoulder (2), the external furnace body
(1) bell (3) are additionally provided on, it is characterised in that: be laid with electric heating wire (4) on the inner wall of the external furnace body (1), the outer furnace
Inner furnace body (5) are equipped in body (1), the bottom of inner furnace body (5) has ventilation opening (6), and the interior bottom of the external furnace body (1) is equipped with position
Water conservancy diversion frame (7) below inner furnace body (5), water conservancy diversion frame (7) include water conservancy diversion bottom plate (8), water conservancy diversion bottom plate (8) edge have vertically to
The flange (9) of upper protuberance, water conservancy diversion bottom plate (8) center have wind wheel installing zone (10), and wind wheel installing zone (10) center is equipped with
Rotor shaft (11) of the switching on the water conservancy diversion bottom plate (8), rotor shaft (11) are equipped with wind wheel (12), on the rotor shaft (11)
Connection has the motor (13) of its rotation of control, and it is center annular array that the water conservancy diversion bottom plate (8), which is equipped with around rotor shaft (11),
Several air guide members (14), adjacent two air guide member (14) form an air-guiding aisle (15), and air-guiding aisle (15) has close to the wind
It takes turns the air intake vent (16) of installing zone (10) and deviates from the air outlet (17) of wind wheel installing zone (10), the air guide member (14), which has, leans on
The toe end (18) of nearly wind wheel installing zone (10) and the aft end (19) for deviating from wind wheel installing zone (10), aft end (19) abut institute
Flange (9) inner wall is stated, abutting on the toe end (18) has the V-type limited block (20) affixed with water conservancy diversion bottom plate (8), the wind-guiding
Part (14) inlay card is between V-type limited block (20) and flange (9)；The inner bottom surface of the inner furnace body (5) is equipped with loading plate (21),
Loading plate (21) includes center drum (22), and circular array shows several extension side plates (23) on center drum (22), and adjacent two prolong
The angle stretched between side plate (23) is equal, and the extension side plate (23) one end and center drum (22) are welded, the bottom tool of the other end
Have rounded corner (24), is equipped with the support circular ring plate that several diameters are sequentially increased on the outside of the center drum (22) from inside to outside
(25), support circular ring plate (25) is coaxially set with the center drum (22), offers slot on the extension side plate (23)
The upward inlay card slot (26) of mouth, the support circular ring plate (25) are embedded in inlay card slot (26).
2. spheroidizing annealing furnace according to claim 1, it is characterised in that: the two sides of the air guide member (14), which are also sticked, to be had admittedly
Connect the side limited block (27) on water conservancy diversion bottom plate (8).
3. spheroidizing annealing furnace according to claim 1 or 2, it is characterised in that: the air guide member (14) includes the first side plate
(28) it is welded with the second side plate (29), first side plate (28) and the second side plate (29) one end, the other end and the second side plate
(29) tail portion connecting plate (30) are equipped between；First side plate (28) and the second side plate (29) are middle part to the curved song in the same side
Panel.
4. spheroidizing annealing furnace according to claim 3, it is characterised in that: first side plate (28) and the second side plate (29)
Between be additionally provided with middle connecting plate (31).
5. spheroidizing annealing furnace according to claim 1, it is characterised in that: the extension side plate (23) and/or support annulus
Stress elimination hole (32) are offered on piece (25).
6. spheroidizing annealing furnace according to claim 1, it is characterised in that: be embedded on the bell (3) and be pressed on furnace shoulder
(2) sealing strip (33) on.
7. spheroidizing annealing furnace according to claim 6, it is characterised in that: the sealing strip (33) is ceramic fibre material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811172787.4A CN109321722B (en) | 2018-10-09 | 2018-10-09 | Spheroidizing annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811172787.4A CN109321722B (en) | 2018-10-09 | 2018-10-09 | Spheroidizing annealing furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109321722A true CN109321722A (en) | 2019-02-12 |
| CN109321722B CN109321722B (en) | 2023-05-05 |
Family
ID=65261647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811172787.4A Active CN109321722B (en) | 2018-10-09 | 2018-10-09 | Spheroidizing annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109321722B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110257602A (en) * | 2019-07-22 | 2019-09-20 | 嘉兴金凌五金科技股份有限公司 | For softening the balling furnace of wire rod |
| CN115323129A (en) * | 2022-09-19 | 2022-11-11 | 湖北浩运新材料科技有限公司 | Ultra-low carbon steel bar spheroidizing annealing process and device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110257602A (en) * | 2019-07-22 | 2019-09-20 | 嘉兴金凌五金科技股份有限公司 | For softening the balling furnace of wire rod |
| CN115323129A (en) * | 2022-09-19 | 2022-11-11 | 湖北浩运新材料科技有限公司 | Ultra-low carbon steel bar spheroidizing annealing process and device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109321722B (en) | 2023-05-05 |
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