CN103320582A - Vertical bright annealing furnace muffle pipe replacing device and method - Google Patents
Vertical bright annealing furnace muffle pipe replacing device and method Download PDFInfo
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- CN103320582A CN103320582A CN2013102859585A CN201310285958A CN103320582A CN 103320582 A CN103320582 A CN 103320582A CN 2013102859585 A CN2013102859585 A CN 2013102859585A CN 201310285958 A CN201310285958 A CN 201310285958A CN 103320582 A CN103320582 A CN 103320582A
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- 238000000137 annealing Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 94
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000003032 molecular docking Methods 0.000 claims description 28
- 230000008569 process Effects 0.000 claims description 22
- 230000008859 change Effects 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 abstract description 5
- 210000001503 joint Anatomy 0.000 abstract 2
- 238000001816 cooling Methods 0.000 description 8
- 230000007704 transition Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000002950 deficient Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
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- 208000012260 Accidental injury Diseases 0.000 description 1
- 240000005561 Musa balbisiana Species 0.000 description 1
- 235000018290 Musa x paradisiaca Nutrition 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
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- 239000012298 atmosphere Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
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- 238000010583 slow cooling Methods 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
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Abstract
The invention relates to a muffle tube replacing device and a muffle tube replacing method for a vertical bright annealing furnace.A muffle tube trolley guide rail is arranged on the outer ring of a production area of the vertical bright annealing furnace, and a muffle tube trolley is arranged on the muffle tube trolley guide rail; a cylindrical muffle pipe butt joint port which can be inserted into a muffle pipe is arranged on the muffle pipe translation trolley, the bottom of the muffle pipe butt joint port is rotatably connected to the muffle pipe translation trolley through a circumferential rotation connecting device, and a plurality of trolley balance weights are simultaneously arranged on the muffle pipe translation trolley; along muffle pipe dolly guide rail direction, still be provided with portable and not take place the muffle pipe horizontal support platform of conflict with muffle pipe dolly moving direction, when muffle pipe level was placed, the muffle pipe upper end supported on muffle pipe horizontal support platform. The furnace body and the muffle pipe of the heating section can be conveniently and quickly detached from the annealing furnace integrally, so that the integrity and the reliability of the furnace body of the bright annealing furnace are ensured, and the production and maintenance cost of the bright annealing furnace is reduced; but also facilitates the replacement of the muffle tube.
Description
Technical field
The present invention relates to a kind of replacing technology of muffle tube, be specifically related to a kind of vertical bright annealing oven muffle tube and change device and method.
Background technology
Stainless steel clean annealing plate is very high to surperficial specification of quality, thus the design of stainless steel bright annealing oven usually adopt vertical, to destroy the belt steel surface of light during avoiding annealing.Most vertical muffle bright annealing stove adopts conventional design, and namely the decoration form of " heating zone+cooling section " and cooling section are arranged in the top of annealing furnace; The Proper Design that cooling section is arranged in the annealing furnace bottom is also arranged, and the band steel moves from the top down and passes through heating zone and cooling section successively until coming out of the stove at last.
The heating zone of vertical muffle bright annealing stove is taked the mode of indirect heating, gives the continuously band steel of operation by the muffle tube of retort furnace inside with heat radiation by the heating element that is suspended on furnace shell inside.Muffle tube is that the key of vertical muffle bright annealing stove is formed, and becomes single-unit by nickel-based high-temperature alloy sheet material welding longitudinal joint after curling, and the circumferential weld through welding between each single-unit forms again, and muffle tube length is generally 16 ~ 36 meters.Inner and the cooling section UNICOM of muffle tube, inner for containing the hydrogen-nitrogen atmosphere of 75 ~ 100% hydrogen, be air atmosphere between Ma Fu and the furnace shell inside.
Muffle tube from great and working temperature is high (generally more than 1000 ℃), under factor effects such as long-time high temperature, deadweight, the high temperature creep distortion can take place, thereby defectives such as necking down, wall thickness reduction, weld cracking, section deformation, banana sigmoid appear, when defective seriously extremely can not be repaired, the muffle tube that must more renew.According to statistics, owing to be subjected to the influence of factors such as high temperature creep and burner non-uniform combustion, be no more than 3 years the work-ing life of an average muffle tube.
Horse not general per 0.5 ~ 2 year needs is changed once, and is because vertical retort furnace height generally can reach 50 meters, very high to lifting machine and requirement on height of workshop when more changing person not.Patent CN1112607A discloses a kind of vertical bright annealing oven horse replacing method not, this vertical bright annealing oven is two semicircle tubulars that the left and right sides is involutory with the heating zone Proper Design, horse in left semicircle tube and the cylindrical shell not be can from body portion from detachable block, the right semi-circle tube is main element, and wherein detachable block and main element can be separated from each other.When detachable block separates with main element, make detachable block not separate with the retort furnace body of heater together with horse, change new muffle tube, but be two semicircle tubular detachable block and main elements that the left and right sides is involutory with annealing furnace heating zone Proper Design, influenced the globality of annealing furnace heating zone body of heater to a certain extent, also increased simultaneously the complicacy of furnace binding, maintenance cost is big.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of vertical bright annealing oven muffle tube to change device and method, system architecture is simple, convenient and swift and can be integrally from annealing furnace dismounting heating zone body of heater and muffle tube, both guarantee clean annealing furnace body globality and reliability, reduced the production maintenance cost of bright annealing oven; Being convenient to muffle tube again changes.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of vertical bright annealing oven muffle tube is changing device more, it is characterized in that: outer ring, vertical bright annealing oven production area arranges muffle tube translation vehicle guide, and muffle tube translation dolly is set on the muffle tube translation vehicle guide; The tubular muffle tube docking port that can insert muffle tube is set on the muffle tube translation dolly, and muffle tube docking port bottom is rotatably connected on the muffle tube translation dolly by circumferential rotary connecting device, and a plurality of dolly counterweights are set on the muffle tube translation dolly simultaneously; Along muffle tube translation vehicle guide direction, also be provided with muffle tube horizontal support platform removable and that do not clash with muffle tube translation dolly travel direction, when the muffle tube horizontal positioned, the muffle tube upper end is supported on the muffle tube horizontal support platform.
By technique scheme, the described muffle tube docking port bottom circumferentially rotation center of rotary connecting device is arranged on muffle tube translation dolly center.
By technique scheme, described heating zone is the single hop heating zone, gives the continuously band steel of operation by the muffle tube of heating zone inside with heat radiation by the heating element that is suspended on furnace shell inside; Perhaps described heating zone can be the combination of heating zone and following heating zone, and last heating zone is connected by flexible connector with following heating zone.
By technique scheme, two vertical bright annealing ovens linearly arrange and share cover muffle tube translation vehicle guide and a muffle tube translation dolly, in the midperpendicular direction of this straight line described muffle tube translation vehicle guide are set.
By technique scheme, when two annealing furnaces linearly arranged and share a cover muffle tube translation vehicle guide and muffle tube translation dolly, the muffle tube external diameter was all less than the muffle tube docking port internal diameter on the muffle tube translation dolly in two annealing furnaces.
A kind of adopt above-mentioned horse not more the horse of changing device not change method, it is characterized in that:
At first, from the annealing furnace body of heater, heating zone body of heater and muffle tube integral demounting are got off, the heating zone body of heater is fixed on the body of heater dolly; Drive the body of heater vehicle motor then, the body of heater vehicle guide translation that the body of heater dolly is arranged along the both sides horizontal parallel drives heating zone body of heater and muffle tube integral body and is moved out to outer ring, annealing furnace production area;
Treat the body of heater dolly along the body of heater vehicle guide move to the vertically disposed muffle tube translation of this body of heater vehicle guide vehicle guide extended line on the time, muffle tube is hung out from the heating zone body of heater, and the muffle tube horizontal translation that will be the state of vertically slinging is relative up and down with the muffle tube docking port of vertical state up to the muffle tube bottom; Afterwards the muffle tube docking port is vertically put in the muffle tube bottom;
When muffle tube by lift vertically put into the muffle tube docking port after, along with muffle tube translation dolly moves horizontally to the direction away from bright annealing oven along muffle tube translation vehicle guide, lifting machine is lowerd the muffle tube upper end gradually, becomes horizontality on the muffle tube muffle tube horizontal support platform simultaneously; After muffle tube is converted to horizontality from vertical state, by lifting machine the muffle tube of horizontality is shifted out the workshop again, thereby finish muffle tube taking-up process in the heating zone body of heater;
The process of changing to of new muffle tube is the inverse process of said process.
The present invention compared with prior art has following advantage:
The present invention is by vertical lifting muffle tube, avoided vertical bright annealing oven heating zone oven body part is divided into detachable block and main element, thereby guaranteed the globality of furnace binding, reduced the complicacy of furnace binding, therefore reduced the failure rate of vertical bright annealing oven furnace binding, the maintenance cost of having saved vertical bright annealing oven.
The present invention when changing muffle tube, can finish the defective muffle tube from plumbness to horizontality and the new hoisting process of muffle tube from horizontality to plumbness by the cooperation of lifting machine and muffle tube translation dolly.The defective muffle tube operates steadily in hoisting process with new muffle tube, and can well avoid new muffle tube accidental injury to occur in hoisting process.
The present invention can be two bright annealing ovens that dispose relatively and carries out horse replacing not by a cover replacing system.Floor space is little, saves space and platform steel construction, saves construction investment and later maintenance simultaneously, and economy and practicality are better than prior art.
Description of drawings
Fig. 1 is more two annealing furnace front views of changing device correspondence of the vertical bright annealing oven muffle tube of the present invention;
Fig. 2 is moved to muffle tube lifting position view for annealing furnace heating zone body of heater integral body wherein;
Fig. 3 is (the muffle tube lower end the hangs out the heating zone body of heater constantly) synoptic diagram of being sling by lifting machine of muffle tube in annealing furnace heating zone body of heater wherein;
Fig. 4 goes out the muffle tube translation that hangs out for lifting machine and aims at the not muffle tube docking port synoptic diagram on the translation dolly of horse;
Fig. 5 is the vertical view of Fig. 1, shows heating zone translation guide rail and muffle tube translation vehicle guide position;
Fig. 6 is the vertical view of Fig. 2, shows that heating zone body of heater integral body is moved to the relative position of muffle tube lifting position and this position and muffle tube translation dolly;
Fig. 7 puts into the not muffle tube docking port synoptic diagram on the translation dolly of horse for lifting machine slowly descends the muffle tube that hangs out;
Fig. 8 be muffle tube under the cooperation of lifting machine and Ma Fu translation dolly, the synoptic diagram of Xia Jianging gradually;
Fig. 9 be muffle tube under the cooperation of lifting machine and Ma Fu translation dolly, be the horizontal positioned view;
Figure 10 is heating zone, transition section, slow cooling section structure enlarged view;
Figure 11 is chock plug synoptic diagram under retort furnace heating zone bottom and the muffle tube;
Figure 12 is transition section and muffle tube syndeton enlarged view;
Wherein: 1: retort furnace lower end sealing platform; 2: chock plug under the muffle tube; 3: the retort furnace heating zone; 4: heating zone body of heater support platform dolly; 5: cooling section; 6: transition section; 7: expansion joint; 8: heating zone body of heater support platform trolley drive motor; 9: muffle tube; 10: lifting machine; 11: muffle tube translation dolly; 12: the dolly counterweight; 13: the muffle tube docking port; 14: muffle tube horizontal support platform; 15: muffle tube translation vehicle guide; 16: heating zone body of heater support platform vehicle guide; 17: the first bright annealing ovens; 18: the second bright annealing ovens; 19: heating zone body of heater support platform dolly wheel.
Embodiment
In order to understand the present invention better, further illustrate content of the present invention below in conjunction with embodiment, but content of the present invention not only is confined to the following examples.
Shown in Fig. 1 and 5, muffle tube of the present invention is two vertical bright annealing ovens of changing device correspondence more, are respectively first bright annealing oven 17 and second bright annealing oven 18.Transition section 6, cooling section 5 that each vertical clean annealing furnace body comprises heating zone 3 from the bottom to top, links to each other with heating zone; Muffle tube 9 is set in the heating zone 3; It is characterized in that: heating zone 3 can whole section disassembles from vertical clean annealing furnace body, in order to break away under the retort furnace lower end sealing platform 1 of the transition section 6 of upper end and lower end and the muffle tube chock plug 2 and shift out.
First bright annealing oven 17 and second bright annealing oven 18 along same straight line in the production area, be that rotational symmetry be arranged in parallel in the middle of 16, two heating zone bodies of heater of two heating zone body of heater support platform vehicle guides support platform vehicle guide 16 is folded in first bright annealing oven 17 and second bright annealing oven 18 with this straight line; Heating zone 3 body of heater peripheries all arrange heating zone body of heater support platform dolly 4; And each heating zone body of heater support platform dolly 4 all can move horizontally at heating zone body of heater support platform vehicle guide 16 and make heating zone body of heater integral body break away from vertical clean annealing furnace body.
When first bright annealing oven 17 and second bright annealing oven 18 distribute along same straight line, midperpendicular direction at this straight line arranges muffle tube translation vehicle guide 15, and the top of muffle tube translation vehicle guide 15 is near first bright annealing oven 17 and second bright annealing oven 18; At muffle tube translation vehicle guide 15 muffle tube translation dolly 11 is set, it is mobile at muffle tube translation vehicle guide 15 that muffle tube translation dolly 11 can drive muffle tube 9, on the muffle tube translation dolly 11 muffle tube docking port 13 is set in order to accept and the fixing muffle tube 9 that hangs out from heating zone 3 bodies of heater.
Be connected by expansion joint 7 between heating zone 3 and the transition section 6, bolt is connected between expansion joint 7 and the heating zone 3, between transition section 6 and the cooling section 5 for being rigidly connected.When needs shift out 3 whole sections bodies of heater of heating zone along heating zone body of heater support platform vehicle guide 16, need remove being connected between heating zone 3 top and bottom and the clean annealing furnace body respectively: unclamp expansion joint 7 and be connected with bolt between the heating zone 3, make heating zone upper end and expansion joint 7 break away from; Bright annealing oven lower end sealing platform 1 is vertically moved down, the following chock plug 2 in the muffle tube also moves down with bright annealing oven lower end sealing platform, makes heating zone lower end and clean annealing furnace body break away from again.The heating zone top and bottom all with the clean annealing furnace body between disconnect be connected after, 3 whole sections bodies of heater of heating zone are fixed on the heating zone body of heater support platform dolly 4, heating zone body of heater support platform dolly 4 supports by the wheel 19 that is erected on the heating zone 3 body of heater heating zone body of heater support platform vehicle guides 16, wheel 19 drives by the motor 20 on the heating zone body of heater support platform dolly, realizes the integral translation walking of heating zone body of heater support platform dolly and heating zone thus.The integral translation walking position of heating zone body of heater support platform dolly and heating zone: heating zone body of heater support platform vehicle guide 16 is horizontalitys and is set in parallel in heating zone cylinder body of heater both sides that heating zone body of heater support platform vehicle guide bearing of trend is vertical with the axis of heating zone cylinder body of heater.Bright annealing oven heating zone and heating zone body of heater support platform dolly are moved in the heating zone muffle tube medullary ray near muffle tube translation vehicle guide 15 position of center line along heating zone body of heater support platform vehicle guide, and more excellent is in heating zone muffle tube 9 medullary rays are on muffle tube translation vehicle guide 15 medullary rays.By the muffle tube 9 in the lifting machine taking-up bright annealing oven heating zone, finish muffle tube by the cooperation of muffle tube translation dolly and change process again.
Present embodiment is that two bright annealing ovens (17 and 18) are shared heating zone body of heater support platform vehicle guide 16; Namely arrange two heating zone body of heater support platform vehicle guides 16 two bright annealing oven heating zone both sides, each bright annealing oven heating zone 3 and heating zone body of heater support platform dolly 4 thereof are separate, in shifting out process, can be respectively each bright annealing oven heating zone 3 and heating zone body of heater support platform dolly 4 be moved in the heating zone muffle tube 9 medullary rays near muffle tube translation vehicle guide 15 position of center line along heating zone body of heater support platform vehicle guide 16, more excellent is in heating zone muffle tube medullary ray is on muffle tube translation vehicle guide 15 medullary rays.By the muffle tube in the lifting machine taking-up bright annealing oven heating zone, finish muffle tube by the cooperation of muffle tube translation dolly and change process again.This scheme is shared heating zone body of heater support platform vehicle guide by two bright annealing ovens and is shifted out the transit site of process, promotes the workshop utilization of space greatly, has reduced cost of investment simultaneously.
The process of changing to of new muffle tube is the inverse process of said process.
Complete finish muffle tube in the heating zone the taking-up process and new muffle tube change to process after, namely finish a horse replacing not.
Though specific embodiment of the present invention are described, can understand that clearly the present invention is not limited to this, all equivalences of doing according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (5)
1. vertical bright annealing oven muffle tube changing device more, it is characterized in that: outer ring, vertical bright annealing oven production area arranges the muffle tube vehicle guide, and the muffle tube dolly is set on the muffle tube vehicle guide; The tubular muffle tube docking port that can insert muffle tube is set on the muffle tube translation dolly, and muffle tube docking port bottom is rotatably connected on the muffle tube translation dolly by circumferential rotary connecting device, and a plurality of dolly counterweights are set on the muffle tube translation dolly simultaneously; Along muffle tube vehicle guide direction, also be provided with muffle tube horizontal support platform removable and that do not clash with muffle tube dolly travel direction, when the muffle tube horizontal positioned, the muffle tube upper end is supported on the muffle tube horizontal support platform.
2. vertical bright annealing oven muffle tube according to claim 1 changing device more, it is characterized in that: the described muffle tube docking port bottom circumferentially rotation center of rotary connecting device is arranged on muffle tube translation dolly center.
3. vertical bright annealing oven muffle tube according to claim 1 and 2 changing device more, it is characterized in that: two vertical bright annealing ovens linearly arrange and share cover muffle tube vehicle guide and a muffle tube dolly, in the midperpendicular direction of this straight line described muffle tube vehicle guide are set.
4. vertical bright annealing oven muffle tube according to claim 3 changing device more, it is characterized in that: when two annealing furnaces linearly arranged and share a cover muffle tube translation vehicle guide and muffle tube translation dolly, the muffle tube external diameter was all less than the muffle tube docking port internal diameter on the muffle tube translation dolly in two annealing furnaces.
An aforesaid right one of require described vertical bright annealing oven muffle tube more the horse of changing device not change method, it is characterized in that:
At first, muffle tube is hung out from the heating zone body of heater, and the muffle tube horizontal translation that will be the state of vertically slinging is relative up and down with the muffle tube docking port of vertical state up to the muffle tube bottom; Afterwards the muffle tube docking port is vertically put in the muffle tube bottom;
When muffle tube by lift vertically put into the muffle tube docking port after, along with the muffle tube dolly moves horizontally to the direction away from bright annealing oven along the muffle tube vehicle guide, lifting machine is lowerd the muffle tube upper end gradually, becomes horizontality on the muffle tube muffle tube horizontal support platform simultaneously; After muffle tube is converted to horizontality from vertical state, by lifting machine the muffle tube of horizontality is shifted out the workshop again, thereby finish muffle tube taking-up process in the heating zone body of heater;
The process of changing to of new muffle tube is the inverse process of said process.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310285958.5A CN103320582B (en) | 2013-07-09 | 2013-07-09 | Vertical bright annealing furnace muffle pipe replacing device and method |
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| CN201310285958.5A CN103320582B (en) | 2013-07-09 | 2013-07-09 | Vertical bright annealing furnace muffle pipe replacing device and method |
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| CN103320582A true CN103320582A (en) | 2013-09-25 |
| CN103320582B CN103320582B (en) | 2016-01-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027913A (en) * | 2020-05-28 | 2020-12-04 | 中国核工业第五建设有限公司 | Rod piece hoisting system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH074854A (en) * | 1993-09-10 | 1995-01-10 | Daido Steel Co Ltd | Vertical type muffle furnace |
| CN201358130Y (en) * | 2008-12-23 | 2009-12-09 | 中国船舶重工集团公司第七一三研究所 | Erecting-falling device |
| CN102040158A (en) * | 2010-12-31 | 2011-05-04 | 中冶南方(武汉)威仕工业炉有限公司 | Furnace roller hanger for hoisting |
| CN203360519U (en) * | 2013-07-09 | 2013-12-25 | 中冶南方(武汉)威仕工业炉有限公司 | Vertical bright annealing furnace muffle pipe replacing device |
-
2013
- 2013-07-09 CN CN201310285958.5A patent/CN103320582B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH074854A (en) * | 1993-09-10 | 1995-01-10 | Daido Steel Co Ltd | Vertical type muffle furnace |
| CN201358130Y (en) * | 2008-12-23 | 2009-12-09 | 中国船舶重工集团公司第七一三研究所 | Erecting-falling device |
| CN102040158A (en) * | 2010-12-31 | 2011-05-04 | 中冶南方(武汉)威仕工业炉有限公司 | Furnace roller hanger for hoisting |
| CN203360519U (en) * | 2013-07-09 | 2013-12-25 | 中冶南方(武汉)威仕工业炉有限公司 | Vertical bright annealing furnace muffle pipe replacing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027913A (en) * | 2020-05-28 | 2020-12-04 | 中国核工业第五建设有限公司 | Rod piece hoisting system |
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Address after: 430223 No. 33 University Park Road, Donghu Development Zone, Wuhan City, Hubei Province Patentee after: Zhongye South (Wuhan) Thermal Engineering Co., Ltd. Address before: 430205 No. 33 University Park Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee before: WISDRI (Wuhan) WIS Industrial Furnace Co., Ltd. |