CN109604343A - It is a kind of for before oblique rolling perforated process magnesium bar be evenly heated and attemperator - Google Patents
It is a kind of for before oblique rolling perforated process magnesium bar be evenly heated and attemperator Download PDFInfo
- Publication number
- CN109604343A CN109604343A CN201811615979.8A CN201811615979A CN109604343A CN 109604343 A CN109604343 A CN 109604343A CN 201811615979 A CN201811615979 A CN 201811615979A CN 109604343 A CN109604343 A CN 109604343A
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- China
- Prior art keywords
- heat
- furnace body
- guide rail
- bushing pipe
- gear
- 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.)
- Pending
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910052749 magnesium Inorganic materials 0.000 title claims abstract description 46
- 239000011777 magnesium Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000005096 rolling process Methods 0.000 title claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000005493 welding type Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 13
- 238000010586 diagram Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000033764 rhythmic process Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
Abstract
The present invention provide it is a kind of for before oblique rolling perforated process magnesium bar be evenly heated and attemperator, bushing pipe weld together with centering liner plate, the left and right both ends of bushing pipe are equipped with heat-insulated end plate, using the fit system of sliding between heat-insulated end plate and centering liner plate;It is riveted heat-resisting guide rail at left and right sides of furnace body, lining pipe rolls on heat-resisting guide rail;It is mounted on the inner wall of furnace body by resistance wire;The front and rear sides of furnace body are equipped with furnace door guide rail, and furnace door guide rail is placed in forward and backward fire door and exports at furnace body outer wall, and guarantees sliding up and down for fire door by furnace door guide rail;Furnace body is integrally placed on grate;Automatic lattice blocking means are placed on the upside of furnace body close to exit.The present invention greatly improves the uniformity of temperature when bar is integrally come out of the stove, and solves the drawback of perforation procedure bias, significantly improves the lumber recovery of tubing;The setting of automatic lattice blocking means, the process for eliminating artificial blanking reduce heat losses when opening and closing fire door, improve the efficiency and safety of production.
Description
Technical field
The invention belongs to magnesium alloy rod heating arts, more particularly, to a kind of special for magnesium alloy pipe roll piercing work
Before skill, integrate magnesium alloy rod be evenly heated function and bar come out of the stove after heat insulation function Multifunctional heating dress
It sets.
Background technique
Oblique rolling perforated process as a kind of advanced, efficient magnesium alloy seamless pipe wealth production technology, pierced billet magnesium alloy without
During slit-tube, the uniformity requirement for rolling temperature and pieces of bar stock temperature to the beginning is extremely harsh.Currently, institute in process
The heating furnace used is mostly high-temperature electric resistance furnace, uses the thermometric mode of thermocouple, generally existing to be difficult to meet oblique rolling perforated process
The problem of technical requirements, particular content are as follows:
Firstly, during pierced billet, it is desirable that the beginning of magnesium alloy rod rolls temperature about between 400 DEG C~520 DEG C, in operative employee
In skill, the temperature of resistance wire is higher than about 50 DEG C~100 DEG C of tapping temperature of bar when needing to heat, and this temperature is closed close to magnesium
600 DEG C~630 DEG C of burning point of gold;And traditional heating method Surface of Rod Bar is uncontrolled with a distance from resistance wire, and the technique
Temperature range multidigit blunt temperature phenomenon in the lower section of temperature-controlled precision of traditional industry furnace, heating process is obvious, temperature wave
It moves larger, easily magnesium bar is caused to be burnt, security risk occurs;Meanwhile existing heating method, in bar heating, there are temperature
Spend uneven phenomenon.
Secondly, magnesium alloy heat radiation is exceedingly fast, especially when with the contact of metal class rigid body.During roll piercing, allow
Technological temperature section it is extremely narrow;Conventional mode of transport, after causing magnesium alloy rod to be come out of the stove, to punch before temperature with lower than needing
Process temperature ranges;Cause to roll card phenomenon when bar pierced billet;Meanwhile in magnesium alloy as thermal stress sensitive material,
Under different temperatures, resistance of deformation difference is larger, and hot eccentric phenomena occurs in Yi Yinfa magnesium alloy rod pierced billet process, and serious constraint produces
The lumber recovery of product.
In addition, such as heating furnace Overall Reconstruction is improved heating furnace in the temperature-controlled precision of middle low temperature, is taken to existing equipment transformation
With valuableness, and it is difficult to meet large-scale industrial production requirement.
Summary of the invention
For above situation, it is evenly heated the purpose of the present invention is to provide a kind of for magnesium bar before oblique rolling perforated process
And attemperator, it can effectively ensure that the temperature control of heating process before magnesium alloy oblique rolling perforated process is accurate, safe and efficient, and go out
Furnace thermal insulation property.
To achieve the above object, the technical solution used in the present invention is: providing a kind of for magnesium before oblique rolling perforated process
Stick be evenly heated and attemperator, comprising: bushing pipe, centering liner plate, heat-insulated end plate, upper and lower heat-resisting guide rail, resistance wire, furnace body,
Fire door, furnace door guide rail, grate and automatic lattice blocking means;Wherein, be evenly equipped with 6 groups of centering liner plates in bushing pipe inner wall circumferential direction, bushing pipe with
Using the connection type of welding between centering liner plate, after magnesium bar is put into bushing pipe, by centering liner plate self-centering;A left side for bushing pipe,
Right both ends are equipped with heat-insulated end plate, but are slidably matched between the notch on heat-insulated end plate and centering liner plate to guarantee the centering of heat-insulated end plate
Property, and certain interval is remained between heat-insulated end plate and bushing pipe inner wall, using the cooperation side of sliding between heat-insulated end plate and centering liner plate
Formula;It is riveted heat-resisting guide rail at left and right sides of furnace body, lining pipe rolls on heat-resisting guide rail;Include by the heating tape that resistance wire forms
Four groups: upper heating tape, lower heating tape, left heating tape and right heating tape are separately mounted to the four side inner wall of upper and lower, left and right of furnace body
On, the distance of left and right ends and outer surface of the resistance wire apart from bushing pipe is 50mm~80mm;The front and rear sides of furnace body are equipped with furnace
Door guide rail, furnace door guide rail are placed in forward and backward fire door and export at furnace body outer wall, and by furnace door guide rail guarantee fire door above and below
Sliding;Furnace body is integrally placed on grate;Automatic lattice blocking means are placed on the upside of furnace body close to exit.
The heat-resisting guide rail guide rail is equipped with the shaft shoulder on the axial direction of bushing pipe, and limitation bushing pipe is transported by the rotation of axis of radius
It is dynamic, guarantee that bushing pipe may only do the translation on heat-resisting rail length direction.
The shape of the centering liner plate is isosceles trapezoid, and six groups of uniformly distributed guide plates are at the entrance of bushing pipe in circumferential direction, shape
At bell mouth shape to hollow cavity.
The automatic lattice blocking means are mounted on furnace body upper surface comprising: left support abutment, right support abutment, servo motor, sliding
Guide rail platform, left sliding rack, right sliding rack, gear, gear shaft, wirerope group, steel wire hook and block;Wherein, servo
Motor is fixed on the left support abutment of furnace body upper surface, and is rotated with movable gear shaft;Matched by axis hole at the left and right both ends of gear shaft
It closes, is sleeved on the axis hole of left and right support;Gear is housed on gear shaft, is connected by key between gear shaft and gear;Gear
For front and rear sides equipped with the rack gear that horizontally slips, gear rotation drives sliding rack upward-downward translation, other directions displacement of sliding rack
The slide rail platform for being fixed on furnace body upper surface carries out sliding constraint.Steel wire hook is respectively provided on left and right sliding rack
And block;When gear rotation drives left sliding rack to move upwards, steel wire hook is door opened by the pulling of wirerope group, in this
Meanwhile the rotation of gear also drives right sliding rack to move downward, the appearance face contact of block and bushing pipe, realizes the lattice to bushing pipe
Function is kept off, avoids once sliding more bars, influences rhythm of production.
Preferably, furnace body uses inclined arrangement relative to ground, and tilt angle is about between 10 ° to 15 °.
Preferably, export and entrance fire door on be respectively arranged with electric open device, have both ends with open with close, a left side is opened the right side and is closed
And the right side opens a left side and closes three kinds of stations.
In addition, in technical solution provided herein, bushing pipe and heat-insulated end plate carry it is hot recycle-recycle-two
Secondary feeding device, while can in the cyclic process of bushing pipe and heat-insulated end plate, it can be achieved that bushing pipe and heat-insulated end plate band are asked and recycled
Add the preheating insulation device to bushing pipe and heat-insulated end plate.
The beneficial effects of the present invention are: magnesium bar is sleeved in bushing pipe, and bushing pipe left and right ends are equipped with heat-insulated end plate;In bar
In heating process, the direct heat radiation of resistance wire is completely cut off by bushing pipe and heat-insulated end plate, utilizes metal itself excellent thermal conductivity
Characteristic, rapidly form circumferential direction is evenly heated chamber, after bushing pipe and heat-insulated end soaking, indirectly transfers heat to magnesium
Stick avoids resistance wire and directly heats the generation of hot-spot phenomenon in magnesium bar heating process, to improve, bar is whole to be permitted
Can heating temperature, it can be achieved that 550 DEG C of magnesium bar of tapping temperature;During bar is come out of the stove, the steel class of bushing and heat-insulated end plate
Material plays the role of insulation cover in air;Meanwhile the use of bushing and heat-insulated end plate, avoid magnesium bar and punch guide rail
The direct contact of (metal class rigid body), plays good heat-blocking action;When bushing, heat-insulated end plate and magnesium bar three composition it is whole
When body is transported to before punch, feeding push rod on punch, heat-insulated end plate drives magnesium bar and preceding heat-insulated end plate forward after promotion
Movement (bushing pipe rests on original place by the guide ring barrier on punch at this time), after the heat-insulated end plate of front end skids off bushing pipe, by weight
It is fallen in recyclable device under power effect, magnesium bar and rear heat-insulated end plate move forward and complete the feeding process of magnesium bar, entire mistake
Journey completion free of discontinuities greatly shortens the feeding time of magnesium bar, further controls heat dissipation capacity.
Detailed description of the invention
Fig. 1 magnesium alloy rod be evenly heated and attemperator general assembly drawing;
Fig. 2 furnace body endoluminal means schematic diagram;
Fig. 3 furnace body internal resistance wire arrangement schematic diagram;
Fig. 4 heat-proof device schematic diagram;
The diagrammatic cross-section of Fig. 5 heat-proof device;
The automatic lattice blocking means component diagram one of Fig. 6;
The automatic lattice blocking means component diagram two of Fig. 7;
The automatic lattice blocking means lattice of Fig. 8 keep off station schematic diagram;
In figure: 1, furnace body;2, furnace door guide rail;3, grate;4, fire door;5, wirerope group;6, lifting lug;7, resistance wire;8, bushing pipe;9
Centering liner plate;10, heat-insulated end plate;11, magnesium bar;12, heat-resisting guide rail;13, servo motor;14, left sliding rack;15, right sliding
Rack gear;16, steel wire hook;17, slide rail platform;18, gear;19, gear shaft;20, block.
Specific embodiment
Below in conjunction with attached drawing of the invention, the technical solution in the present invention is clearly and completely described, based on this
Scheme in invention, all other side obtained by those of ordinary skill in the art without making creative efforts
Case shall fall within the protection scope of the present invention.
Below in conjunction with attached drawing, the present invention will be described, and as shown in Fig. 1~8, the present invention provides a kind of special for magnesium conjunction
Before golden tubing oblique rolling perforated process, integrate magnesium alloy rod be evenly heated function and bar come out of the stove after heat insulation function
Multifunctional heater, it mainly includes, furnace body 1, furnace door guide rail 2, grate 3, fire door 4, wirerope group 5, lifting lug 6, resistance
Silk 7, bushing pipe 8, centering liner plate 9, heat-insulated end plate 10, magnesium bar 11, heat-resisting guide rail 12 and automatic lattice blocking means.Wherein automatic lattice gear dress
It sets by servo motor 13, left sliding rack 14, right sliding rack 15, steel wire hook 16, slide rail platform 17, gear 18, tooth
Wheel shaft 19, block 20, left support abutment 21, right support abutment 22.
As shown in Figure 1, furnace body 1 is placed on grate 3, furnace door guide rail 2, furnace door guide rail 2 are installed at the entrance of furnace body 1
It adopts and is screwed between furnace body 1;It is slidably matched, puts on fire door 4 equipped with lifting lug between the track slot and fire door 4 of furnace door guide rail 2,
It is connected by wirerope group 5 with the automatic lattice blocking means for being placed in 1 upside of furnace body.
As shown in Figure 2,3, the surrounding of 1 inner cavity of furnace body is equipped with resistance wire 7, and the upper of the left and right sides is equipped with heat-resisting guide rail 12, lining
Pipe 8 can slide on heat-resisting guide rail 12.Refer to, it is emphasized that heat-resisting guide rail guide rail on the axial direction of bushing pipe 8 be equipped with the shaft shoulder,
Bushing pipe 8 is limited using radius as the rotary motion of axis, guarantees that bushing pipe 8 may only do the translation on heat-resisting 12 length direction of guide rail.
As shown in Figure 4,5, it is evenly equipped with 6 groups of centering liner plates 9 in 8 inner wall circumferential direction of bushing pipe, is used between bushing pipe 8 and centering liner plate 9
The connection type of welding, after magnesium bar 11 is put into bushing pipe 8, by 8 self-centering of centering liner plate;And 11 both ends of magnesium bar installation every
Hotter side plate 10;Using the fit system of sliding between heat-insulated end plate 10 and centering liner plate 9.Refer to, it is emphasized that the shape of centering liner plate 9
Shape is isosceles trapezoid, in circumferential direction six groups of uniformly distributed guide plates at the entrance of bushing pipe, formed bell mouth shape to hollow cavity.
As can be seen from figures 6 to 8, automatic lattice blocking means mainly include, wirerope group 5, servo motor 13, left sliding rack 14,
Right sliding rack 15, steel wire hook 16, slide rail platform 17, gear 18, gear shaft 19, block 20, right support abutment 22 and a left side
Support 21.Servo motor 13 is fixed on left support abutment 21, and is rotated with movable gear shaft 19;19 left and right ends of gear shaft pass through axis hole
Cooperation, is sleeved on the axis hole of left support abutment 21 and right support abutment 22;Gear 18 is housed on gear shaft 19, gear shaft 19 and gear 18 it
Between be connected by key;The two sides of gear 18 are equipped with left sliding rack 14 and right sliding rack 15, make sliding rack upward-downward translation, sliding
Other directions of carry-over bar are displaced by slide rail platform constraints.Steel is respectively provided on left sliding rack 14 and right sliding rack 15
Silk hook 16 and block 20;When the rotation of gear 18 drives left sliding rack 14 to move upwards, steel wire hook 16 passes through wirerope group 5
Pull door opened, simultaneously, the rotation of gear 18 also drives right sliding rack 15 to move downward, and completes the lattice to bushing pipe 8
Function is kept off, avoids once sliding more bars, influences rhythm of production.
Concrete operating principle of the invention: magnesium bar 11 is sent into bushing pipe 8 through driving means, and is completed by centering liner plate 9
Automatic centering, both ends cover heat-insulated end plate 10;Hereafter rear side fire door 4 is opened, and is once packed into the magnesium bar 11 that more processing are completed, magnesium
The bushing pipe 8 being set with outside stick, is slided on the track of heat-resisting guide rail 12, be successively stepped arrangement from bottom to top by gravity;
After the completion of 11 shove charge of magnesium bar, rear side fire door 4 is closed;Resistance wire 7 on 1 four wall of furnace body is started to work, the heat of the generation of resistance wire 7
Amount is radiated 10 outside of bushing pipe 8 and heat-insulated end plate, forms the ring-shaped heating cavity of soaking, even heat is passed to magnesium bar 11.
After temperature reaches requirement temperature and held for some time, servo motor 13 starts, and is rotated by gear shaft 19 with moving gear 18,
Left sliding rack 14 moves upwards, and steel wire hook 16 is driven to move upwards, and pulls front side fire door 4 to open by wirerope group 5, leans on
First magnesium bar 11 in nearly 1 exit of furnace body starts to fall;At the same time, gear 18 drives right sliding rack 15 to move downward,
Make block 20 be inserted into 1 inner barrier of furnace body close to furnace body exit second magnesium bar 11 by gravity whereabouts trend (such as Fig. 8
Show);After the completion of first magnesium bar 11 falls, servo motor 13 is inverted, and left sliding rack 14 moves downward, and drives steel wire hook
16 move downward, and front side fire door 4 is closed under the effect of gravity;At the same time, gear 18 drives right sliding rack 15 to move upwards,
Block 20 is withdrawn, and second magnesium bar 11 close to furnace body exit is by falling on 1 exit of furnace body under gravity.
Fall behind when first magnesium bar 11 is lower, the guide rail on perforated machine is slipped in the guide groove of punch, on punch
Cylinder starting, push heat-insulated end plate 10 and magnesium bar 11 to travel forward, bushing pipe 8 is directed to ring card and falls in original place.It pushes certain
It is located at the heat-insulated end plate 10 on front side of pushing direction after distance to be slipped in accumulator tank, the heat-insulated end plate 10 of rear side continues to press on magnesium bar
11 travel forward, and magnesium bar once bites process when completing roll piercing.
Claims (7)
1. it is a kind of for before oblique rolling perforated process magnesium bar be evenly heated and attemperator, mainly include bushing pipe, centering liner plate, every
Hotter side plate, upper and lower heat-resisting guide rail, resistance wire, furnace body, fire door, furnace door guide rail, grate and automatic lattice blocking means;Wherein, in bushing pipe
6 groups of centering liner plates are evenly equipped in wall circumferential direction, using the connection type of welding between bushing pipe and centering liner plate, when magnesium bar is put into bushing pipe
Afterwards, by centering liner plate self-centering;The left and right both ends of bushing pipe are equipped with heat-insulated end plate, between the notch and centering liner plate of heat-insulated end plate
Be slidably matched with guarantee heat-insulated end plate to neutrality, and certain interval is remained between heat-insulated end plate and bushing pipe inner wall, heat-insulated end plate
Using the fit system of sliding between centering liner plate;Furnace body arranged on left and right sides has been riveted heat-resisting guide rail, and lining pipe is on heat-resisting guide rail
It rolls;Form heating tape by resistance wire, share four groups: upper heating tape, lower heating tape, left heating tape and right heating tape are pacified respectively
On four side inner wall of the upper and lower, left and right of furnace body;The front and rear sides of furnace body are equipped with furnace door guide rail, and furnace door guide rail is placed in front and back
Fire door exports at furnace body outer wall, and guarantees sliding up and down for fire door by furnace door guide rail;Furnace body is integrally placed on grate;
Automatic lattice blocking means are placed on the upside of furnace body close to exit;
The automatic lattice blocking means are mounted on furnace body upper surface, and structure includes: left support abutment, right support abutment, servo motor, sliding
Guide rail platform, left sliding rack, right sliding rack, gear, gear shaft, wirerope group, steel wire hook and block;Wherein, servo
Motor is fixed on the left support abutment of furnace body upper surface, and is rotated with movable gear shaft;Matched by axis hole at the left and right both ends of gear shaft
It closes, is sleeved on the axis hole of left and right support;Gear is housed on gear shaft, is connected by key between gear shaft and gear;Gear
Front and rear sides is respectively provided with left and right to sliding rack, and gear rotation drives sliding rack upward-downward translation, its other party of sliding rack
The slide rail platform for being fixed on furnace body upper surface to displacement carries out sliding constraint;Steel is respectively provided on left and right sliding rack
Silk hook and block;When gear rotation drives left sliding rack to move upwards, steel wire hook pulls fire door to open by wirerope group
It opens, simultaneously, the rotation of gear also drives right sliding rack to move downward, the appearance face contact of block and bushing pipe.
2. it is as described in claim 1 it is a kind of for before oblique rolling perforated process magnesium bar be evenly heated and attemperator, feature
It is, the resistance wire of upper and lower wall is 50mm~80mm apart from the distance of the left and right both ends of bushing pipe and outer surface in furnace body.
3. it is as described in claim 1 it is a kind of for before oblique rolling perforated process magnesium bar be evenly heated and attemperator, feature
It is, the heating of magnesium bar and process of coming out of the stove, centering liner plate, bushing pipe and heat-insulated end plate is set with outside magnesium bar.
4. it is as described in claim 1 it is a kind of for before oblique rolling perforated process magnesium bar be evenly heated and attemperator, feature
It is, the heat-resisting guide rail guide rail is machined with the shaft shoulder, the length direction of the shaft shoulder and the axial direction of bushing pipe on the axial direction of bushing pipe
Direction is vertical.
5. it is as described in claim 1 it is a kind of for before oblique rolling perforated process magnesium bar be evenly heated and attemperator, feature
It is, the shape of the centering liner plate is isosceles trapezoid, and six groups of uniformly distributed guide plates form loudspeaker at the entrance of bushing pipe in circumferential direction
Mouth shape to hollow cavity.
6. it is as described in claim 1 it is a kind of for before oblique rolling perforated process magnesium bar be evenly heated and attemperator, feature
It is, furnace body uses inclined arrangement relative to ground, and tilt angle is about between 10 ° to 15 °.
7. it is as described in claim 1 it is a kind of for before oblique rolling perforated process magnesium bar be evenly heated and attemperator, feature
Be, be respectively arranged with electric open device on the fire door of outlet and entrance, have both ends with open with close, a left side opens that the right side is closed and a left side is opened on the right side
Close three kinds of stations.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811615979.8A CN109604343A (en) | 2018-12-27 | 2018-12-27 | It is a kind of for before oblique rolling perforated process magnesium bar be evenly heated and attemperator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811615979.8A CN109604343A (en) | 2018-12-27 | 2018-12-27 | It is a kind of for before oblique rolling perforated process magnesium bar be evenly heated and attemperator |
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CN201811615979.8A Pending CN109604343A (en) | 2018-12-27 | 2018-12-27 | It is a kind of for before oblique rolling perforated process magnesium bar be evenly heated and attemperator |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109622625A (en) * | 2019-01-08 | 2019-04-16 | 太原科技大学 | It is a kind of for before oblique rolling perforated process magnesium bar be evenly heated and attemperator |
CN110173997A (en) * | 2019-05-14 | 2019-08-27 | 浙江中硅新材料有限公司 | A kind of door opening and closing device in heating furnace |
CN110788133A (en) * | 2019-11-08 | 2020-02-14 | 北京科技大学 | Small-diameter metal wire warm skew rolling production device |
-
2018
- 2018-12-27 CN CN201811615979.8A patent/CN109604343A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109622625A (en) * | 2019-01-08 | 2019-04-16 | 太原科技大学 | It is a kind of for before oblique rolling perforated process magnesium bar be evenly heated and attemperator |
CN110173997A (en) * | 2019-05-14 | 2019-08-27 | 浙江中硅新材料有限公司 | A kind of door opening and closing device in heating furnace |
CN110173997B (en) * | 2019-05-14 | 2024-04-16 | 浙江中硅新材料有限公司 | Furnace door opening and closing device in heating furnace |
CN110788133A (en) * | 2019-11-08 | 2020-02-14 | 北京科技大学 | Small-diameter metal wire warm skew rolling production device |
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