CN106914498B - A kind of heating device and heating means for rolling molybdenum alloy pipe - Google Patents
A kind of heating device and heating means for rolling molybdenum alloy pipe Download PDFInfo
- Publication number
- CN106914498B CN106914498B CN201710195552.6A CN201710195552A CN106914498B CN 106914498 B CN106914498 B CN 106914498B CN 201710195552 A CN201710195552 A CN 201710195552A CN 106914498 B CN106914498 B CN 106914498B
- Authority
- CN
- China
- Prior art keywords
- pipe
- hydrogen
- heater
- tube wall
- flange
- 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.)
- Active
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 48
- 238000005096 rolling process Methods 0.000 title claims abstract description 30
- 229910001182 Mo alloy Inorganic materials 0.000 title claims abstract description 27
- 239000001257 hydrogen Substances 0.000 claims abstract description 42
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 42
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000002826 coolant Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000000110 cooling liquid Substances 0.000 claims abstract description 5
- 230000009467 reduction Effects 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 229910052750 molybdenum Inorganic materials 0.000 description 8
- 239000011733 molybdenum Substances 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 238000009423 ventilation Methods 0.000 description 6
- 239000000956 alloy Substances 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000004630 mental health Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000010301 surface-oxidation reaction Methods 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/004—Heating the product
-
- 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
- B21B2261/00—Product parameters
- B21B2261/20—Temperature
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
- Metal Rolling (AREA)
Abstract
A kind of heating device and heating means for rolling molybdenum alloy pipe, device include the identical primary heater of two structures and secondary heater；Two heaters include cylindric tube body, tube body includes three-layer pipe wall, the cavity for accommodating coolant liquid is formed between outermost layer tube wall and middle layer tube wall, form the cavity for accommodating hydrogen between middle layer tube wall and most inner side tube wall, most inner side tube wall, which is equipped with, to be uniformly distributed and inside hydrogen nozzle；One end of tube body is equipped with hydrogen inlet, coolant inlet and cooling liquid outlet, and the other end of tube body is equipped with flange；Primary heater passes through the flange being equipped with and connect with the feed end of pipe mill rack, and secondary heater passes through the flange being equipped with and connect with the discharge end of pipe mill rack.The present apparatus enhances the uniformity of billet production regional temperature, improves the uniformity and yield rate of shaping pipe wall thickness, improves the dimensional accuracy and surface quality of shaping pipe.
Description
Technical field
The invention belongs to metal working technical areas, and in particular to a kind of heating device for rolling molybdenum alloy pipe and
Heating means.
Background technique
The fusing point of metal molybdenum is 2623 DEG C, and alloy material has the characteristics that high-melting-point, high intensity, inductile, therefore, sharp
Target is processed with molybdenum alloy material plastic deformation characteristic, is typically chosen band warm working.
Currently, traditional molybdenum alloy thin-wall pipes that prepare are completed on Kind of Warm Rolled Pipe machine equipment, it is servo-actuated heating method
It is divided to two kinds: 1. high frequencies servo-actuated heating.Including rack, roll, high frequency coil, plug and pipe.A pair roller and one group of high-frequency line
Circle is also secured in rack, and does horizontal reciprocating movement with rack, and roll is fixed on rack center and compresses pipe table up and down
Face, high frequency coil is distributed in the import and export end of rack, and when rack moves to the left or right, pipe passes through high frequency coil, because of electromagnetism
Principle of induction, pipe are heated rapidly to rolling temperature, and pipe changes in the extruding force lower wall thickness and outer diameter of roll and plug,
To realize the roll forming of pipe.2. the servo-actuated heating of flame.Its working principle is similar with the servo-actuated heating of high frequency, only by high frequency
Heating coil changes flame gun injection outer surface of tube blank heating into, when pipe reaches rolling temperature, completes the roll forming of pipe.
The heating of all achievable molybdenum alloy pipe of above two heating method and the molding that pipe is completed under rolling temperature
Processing, still, all there is heating unevenly in them, so as to cause shaping pipe wall unevenness, or even showing for tubing cracking occurs
As occurring with molybdenum alloy under high temperature so that the yield rate of tubing is greatly reduced, while due to the presence of air in rolling machine frame
Oxidation reaction causes the loss of tube surfaces oxidation and molybdenum, and generates a large amount of flue gases and affect to working environment, and
The servo-actuated heating of high frequency is even more that structure is complicated, is servo-actuated volume and increases, with noise and vibration in operational process, to the heat of thin-wall pipes
Roll process brings many uncertain factors, while influencing the physical and mental health of site operation personnel.
Summary of the invention
Aiming at the shortcomings of the prior art, the present invention provides a kind of heating device for rolling molybdenum alloy pipe
And heating means.
The present invention is achieved by the following technical solutions.
A kind of heating device for rolling molybdenum alloy pipe, which is characterized in that described device includes that two structures are identical
Primary heater and secondary heater；Described two heaters include hollow cylindric tube body, and the tube body includes three
Layer tube wall, forms the cavity for accommodating coolant liquid, middle layer tube wall and innermost layer between outermost layer tube wall and middle layer tube wall
Form the cavity for accommodating hydrogen between tube wall, innermost layer tube wall, which is equipped with, to be uniformly distributed and inside hydrogen nozzle；It is described
One end of tube body is equipped with hydrogen inlet, coolant inlet and cooling liquid outlet, and the other end of the tube body is equipped with flange；It is described
Primary heater passes through the flange being equipped with and connect with the feed end of pipe mill rack, and the secondary heater passes through the flange being equipped with
It is connect with the discharge end of pipe mill rack.
According to above-mentioned heating device, which is characterized in that described device further includes the identical sleeve of two structures, and described two
One end of sleeve is socketed with the free splaying of two heaters respectively, and the other end of two sleeve is separately fixed at setting and exists
On the bracket of rack two sides.
A kind of heating means using above-mentioned apparatus, which is characterized in that the heating means step includes: that (1) works as pipe
It when entering in two heaters across plug, opens hydrogen valve and lights, holding hydrogen flowing quantity is 13L/min~18L/
Min, time are 3min~5min；(2) when the temperature in two heaters being risen to 850 DEG C ~ 900 DEG C, start pipe mill to pipe
Base carries out multi- pass rolling, and it is 500mm/min ~ 800mm/min that roll, which horizontally advances speed along pipe surface, and roll is along pipe table
The horizontal astern speed in face is 300mm/s ~ 500mm/s；(3) it after completing roll forming, adjusts hydrogen valve and keeps hydrogen flowing quantity
For 13L/min ~ 18L/min, the time is 1min ~ 2min, and temperature is to 650 DEG C ~ 700 DEG C in reduction heater.
Compared with traditional servo-actuated heating method, the device of the invention and method are had the advantage that
(1) heater of the invention is cylinder-like structure, and inner surface is evenly equipped with flame-thrower nozzle, ensure that molybdenum alloy pipe
It is region heating by hot mode, avoids pipe surface and make billet production region heated not because single-point is heated or single line is heated
, reduce tubular object extruding to have cracked phenomenon, improve billet production lumber recovery, improve dimensional accuracy and the surface of tubing
Quality, and heater is simply light, it is structurally reasonable, the running noises in the rack operation of rolling and vibration are considerably reduced,
It ensure that the safety and stability in pipe process.
(2) present invention improves the surface quality of roll forming tubing, improve the uniformity of tube wall thickness.Reduce pipe
Cracking situation of base during roll forming, greatly improved the yield rate of tubing, and ensure that the stability of tubing composition.
The servo-actuated heating of traditional high frequency or the servo-actuated heating of flame, rack working space is semi open model structure, and air largely exists, and works as molybdenum
When alloy pipe stock surface is heated to 550 DEG C or more, oxidation reaction occurs for the oxygen in the molybdenum and air on pipe surface, leads
Cause shaping pipe surface oxidation, cause the loss of molybdenum amount in pipe, simultaneously because its to heating of pipe blank region be point by
Heat or face are heated, so that billet production region uneven heating is even, metal fluidity will be variant, when plug and roll
Common extrusion tube blank it is interior, when outer wall, easily cause the even situation of wall unevenness and even crack, reduce pipe finished rate.
(3) this invention removes live smoke pollution problem is rolled, the working environment of operator is improved, is conducive to existing
The physical and mental health of field personnel.Traditional servo-actuated heating, due to the presence of molybdenum alloy pipe heat affected zone air, when pipe surface quilt
When being heated to 550 DEG C or more, oxidation reaction occurs for oxygen in the molybdenum and air on pipe surface, has generated three oxygen volatile
Change molybdenum, as temperature increases, molybdenum and oxygen react more violent, the shape mixed in together such as molybdenum trioxide, steam and greasy dirt
At a large amount of flue gases, the pollution of working site equipment and personnel is caused.And piston type of the invention is servo-actuated heating device, arranges in heating
Gas, constant temperature rolling and cooling exhaust phase, are completed in molybdenum alloy thin-wall pipes preparation process, from heater and sleeve it
Between gap be discharged only air and water vapour, eliminate tradition rolling scene smoke pollution problem, improve man-machine behaviour
Make environment.
(4) heating device of the invention realizes heating exhaust work in the preparation process of molybdenum alloy thin-wall pipes
The serialization operation of skill, constant temperature rolling mill practice and the exhaust air technique that cools down.Compared with traditional servo-actuated heating device, pipe is enhanced
The uniformity for rolling regional temperature, improves the uniformity and yield rate of shaping pipe wall thickness, improves the size of shaping pipe
Precision and surface quality eliminate simultaneously because only air and water vapour has been discharged in the gap between heater and sleeve
The smoke pollution problem at tradition rolling scene, improves human-machine operation environment.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of heater of the present invention.
Fig. 3 is the side view of heater of the present invention.
Fig. 4 is the structural schematic diagram of the prior art.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
As shown in figures 1 and 3, a kind of heating device for rolling molybdenum alloy pipe, including two structures identical
One heater 1 and secondary heater 2, the identical sleeve 3 of two structures, sleeve 4；Two heaters include hollow cylindrical shape
Tube body 5, tube body include three-layer pipe wall, and the cavity 8 for accommodating coolant liquid is formed between outermost layer tube wall 6 and middle layer tube wall 7,
The cavity 10 for accommodating hydrogen is formed between middle layer tube wall and innermost layer tube wall 9, innermost layer tube wall is equipped with and is uniformly distributed simultaneously
And inside hydrogen nozzle 11；One end of tube body is equipped with hydrogen inlet 12, coolant inlet 13 and cooling liquid outlet 14, hydrogen
Entrance is connected to the cavity for accommodating hydrogen, and for hydrogen inlet for connecting with Hydrogen Line, Hydrogen Line is equipped with hydrogen control
Valve processed, coolant inlet and cooling liquid outlet are connected to the cavity for accommodating coolant liquid respectively, coolant inlet be used for
The connection of coolant liquid feed liquid pipeline；The other end of tube body is equipped with flange 15；Primary heater passes through the flange and pipe mill machine being equipped with
The feed end of frame 16 connects, and secondary heater passes through the flange being equipped with and connect with the discharge end of pipe mill rack；Tube-in-tube structure is
Hollow cylinder, one end of two sleeves are socketed with the free splaying of two heaters respectively, and the other end of two sleeves is solid respectively
It is scheduled on the bracket 17 and bracket 18 that rack two sides are set.
The heating means the following steps are included:
(1) it heats exhaust phase: when pipe 19 enters the heating region in two heaters across plug 20, opening hydrogen
Air valve is simultaneously lighted, and keeping hydrogen flowing quantity is the high gaseity of 13L/min ~ 18L/min, and the time is 3min ~ 5min, sufficiently to fire
Burn the air between heater and pipe surface, prevent molybdenum alloy pipe surface from aoxidizing at 550 DEG C or more, at the same hydrogen with
Ventilation gap discharge of the vapor that oxygen combustion generates between heater and sleeve；
(2) constant temperature rolling sequence: when the temperature of heating region in heater is risen to 850 DEG C ~ 900 DEG C, rack drive is rolled
Roller 21 and heater slowly move downward, and heated pipe is plastically deformed in the effect of the extruding force of plug and roll, wall thickness
It changes with outer diameter, completes the machine-shaping of pipe, while pipe being sent into the left, the vapor of hydrogen and oxygen reaction
And ventilation gap discharge of the extra air between heater and sleeve.At this point, keeping hydrogen flowing quantity is 13L/min ~ 18L/
The high gaseity of min, the temperature constant state that heater area temperature is 850 DEG C ~ 900 DEG C, roll horizontally advance speed along pipe surface
Degree is 500mm/min ~ 800mm/min.When rack is moved downward to stroke terminal, rack drive roll and heater quickly to
Right retrogressing completes pipe a time constant temperature operation of rolling to rolling initial position；At this point, still keeping high gas and the heating of hydrogen
The temperature constant state of device, the horizontal astern speed of roll are 300mm/s ~ 500mm/s；Then rack drives roll and heater 3 to continue
It moves downward, starts the operation of rolling next time；
(3) cool down exhaust phase: according to step (2) complete molybdenum alloy pipe roll forming, when pipe tail portion start through
When crossing the heating region in heater, adjusting hydrogen valve and keeping hydrogen flowing quantity is the high gaseity of 13L/min ~ 18L/min,
With the vapor being discharged between heater and pipe surface, its ventilation gap between heater and sleeve is discharged, the time
For 1min ~ 2min, then reducing heater area temperature is 650 DEG C ~ 700 DEG C；In the entire operation of rolling, when the molding processed
Tubing guarantees that the temperature of shaping pipe controls within the scope of 480 DEG C ~ 520 DEG C when heating region squeezes out out of heater, one
Aspect effectively prevents the surface oxidation problem of shaping pipe, on the other hand avoid thin-wall pipes temperature drop it is excessive caused by
The defects of cracking, improves tube forming rate.
Embodiment 1: specification is the shaping pipe that 20 × 1.25mm molybdenum alloy pipe is processed into 9.5 × 0.5 specifications
Outer diameter is 20mm, and wall thickness is the preparation of the molybdenum alloy pipe of 1.25mm: first by molybdenum powder and alloy powder by mixing
Miscellaneous be fitted into gum cover mould after mixing is compacted, then by high pressure compression moulding in the static pressure hydraulic cavities such as the mold is placed in, then
It is fired by the high temperature of vacuum drying oven and the molybdenum alloy bar material of 20mm is processed into forging, last bar completes 20 by drilling ×
The preparation of 1.25mm molybdenum alloy pipe.
20 × 1.25mm molybdenum alloy the pipe prepared is pushed into through servo feeding device according to the speed of 15mm/min
Hydrogen valve when pipe enters the heating region in two heaters across plug, is opened in the rolling machining deformation region of milling train
Door is simultaneously lighted, and keeping hydrogen flowing quantity is the high gaseity of 15L/min, time 4min, sufficiently to give pipe to be rolled and plug
Preheating, while the pipe superficial air that burns, prevent molybdenum alloy pipe surface from aoxidizing at 550 DEG C or more, and hydrogen and oxygen
Ventilation gap discharge of the vapor that burning generates between heater and sleeve.Then, it is heated to heater locating for pipe
When temperature in region rises to 860 DEG C, rack drives roll and heater slowly to move downward, and the pipe that is heated is in plug and roll
Extruding force effect be plastically deformed, wall thickness and outer diameter change, complete the machine-shaping of pipe, while by pipe to
Ventilation gap discharge of the vapor and extra air of left feeding, hydrogen and oxygen reaction between heater and sleeve.
At this point, keeping hydrogen flowing quantity is the high gaseity of 15L/min, the temperature constant state that heater area temperature is 860 DEG C, roll is along pipe
It is 600mm/min that base surface, which horizontally advances speed,.When rack is moved downward to stroke terminal, rack drives roll and heater
It quickly retreats to the right to rolling initial position, completes pipe a time constant temperature operation of rolling.At this point, still keeping the high gas of hydrogen
With the temperature constant state of heater, the horizontal astern speed of roll is 400mm/s, and rack drives roll and heater continuation to transport to the left
It is dynamic, start the operation of rolling next time.Finally, adjusting hydrogen valve when pipe tail portion begins through rolling region and keeping
Hydrogen flowing quantity is the high gaseity of 15L/min, with the vapor being discharged between heater and pipe surface, make it along heater and
Ventilation gap discharge between sleeve, time are 1min ~ 2min, and then reducing heater area temperature is 650 DEG C.When processing
Shaping pipe when being squeezed out from servo-actuated heating region, guarantee that the temperature of shaping pipe is controlled at 500 DEG C, to complete 20
Processing of × 1.25mm molybdenum alloy the pipe to 9.5 × 0.5 size pipes.
The molybdenum alloy tubing of 9.5 × 0.5 specifications is carried out 850 DEG C in vacuum drying oven, heat preservation 40min annealing removes
Internal stress.One group of molybdenum alloy tubing is arbitrarily chosen, sample is prepared and carries out room-temperature mechanical property test, test data mean value are as follows:
Tensile strength is 684Mp, yield strength 625Mp, elongation after fracture 18%, the expected parameter request of satisfaction.
Above-described is only presently preferred embodiments of the present invention, not the limitation present invention.It should be understood that for this field
For those of ordinary skill, under technical inspiration provided by the present invention, other equivalent improvement can also be made, may be implemented
The purpose of the present invention is regarded as protection scope of the present invention.
Claims (2)
1. a kind of heating device for rolling molybdenum alloy pipe, which is characterized in that described device includes that two structures are identical
Primary heater and secondary heater；Described two heaters include hollow cylindric tube body, and the tube body includes three layers
Tube wall forms the cavity for accommodating coolant liquid, middle layer tube wall and innermost layer pipe between outermost layer tube wall and middle layer tube wall
Form the cavity for accommodating hydrogen between wall, innermost layer tube wall, which is equipped with, to be uniformly distributed and inside hydrogen nozzle；The pipe
One end of body is equipped with hydrogen inlet, coolant inlet and cooling liquid outlet, and the other end of the tube body is equipped with flange；Described
One heater passes through the flange that is equipped with and connect with the feed end of pipe mill rack, the secondary heater by the flange that is equipped with and
The discharge end of pipe mill rack connects.
2. a kind of heating means using device as described in claim 1, which is characterized in that the heating means step includes:
(1) it when pipe, which passes through plug, to be entered in two heaters, opens hydrogen valve and lights, holding hydrogen flowing quantity is 13L/
Min~18L/min, time are 3min~5min；(2) when the temperature in two heaters being risen to 850 DEG C ~ 900 DEG C, starting is rolled
Pipe machine carries out multi- pass rolling to pipe, and it is 500mm/min ~ 800mm/min, roll that roll, which horizontally advances speed along pipe surface,
It is 300mm/s ~ 500mm/s along the horizontal astern speed in pipe surface；(3) it after completing roll forming, adjusts hydrogen valve and keeps
Hydrogen flowing quantity is 13L/min ~ 18L/min, and the time is 1min ~ 2min, and temperature is to 650 DEG C ~ 700 DEG C in reduction heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710195552.6A CN106914498B (en) | 2017-03-29 | 2017-03-29 | A kind of heating device and heating means for rolling molybdenum alloy pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710195552.6A CN106914498B (en) | 2017-03-29 | 2017-03-29 | A kind of heating device and heating means for rolling molybdenum alloy pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106914498A CN106914498A (en) | 2017-07-04 |
| CN106914498B true CN106914498B (en) | 2018-12-14 |
Family
ID=59461542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710195552.6A Active CN106914498B (en) | 2017-03-29 | 2017-03-29 | A kind of heating device and heating means for rolling molybdenum alloy pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106914498B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06108317A (en) * | 1992-09-21 | 1994-04-19 | Toray Ind Inc | Method and apparatus for producing graphitized fiber |
| JP3031899B1 (en) * | 1998-12-02 | 2000-04-10 | 株式会社音戸工作所 | Constant temperature pipe device |
| CN101250679A (en) * | 2008-04-15 | 2008-08-27 | 任建国 | On-line annealing method and apparatus for rolling copper pipe |
| CN102748939A (en) * | 2011-04-19 | 2012-10-24 | 扬州市希林光源器材制造有限公司 | High-temperature molybdenum pipe furnace |
| CN206747278U (en) * | 2017-03-29 | 2017-12-15 | 金堆城钼业股份有限公司 | A kind of heater for molybdenum alloy tubing roll forming |
| CN206747279U (en) * | 2017-03-29 | 2017-12-15 | 金堆城钼业股份有限公司 | A kind of heater for rolling molybdenum alloy pipe |
-
2017
- 2017-03-29 CN CN201710195552.6A patent/CN106914498B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06108317A (en) * | 1992-09-21 | 1994-04-19 | Toray Ind Inc | Method and apparatus for producing graphitized fiber |
| JP3031899B1 (en) * | 1998-12-02 | 2000-04-10 | 株式会社音戸工作所 | Constant temperature pipe device |
| CN101250679A (en) * | 2008-04-15 | 2008-08-27 | 任建国 | On-line annealing method and apparatus for rolling copper pipe |
| CN102748939A (en) * | 2011-04-19 | 2012-10-24 | 扬州市希林光源器材制造有限公司 | High-temperature molybdenum pipe furnace |
| CN206747278U (en) * | 2017-03-29 | 2017-12-15 | 金堆城钼业股份有限公司 | A kind of heater for molybdenum alloy tubing roll forming |
| CN206747279U (en) * | 2017-03-29 | 2017-12-15 | 金堆城钼业股份有限公司 | A kind of heater for rolling molybdenum alloy pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106914498A (en) | 2017-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102389758B (en) | A kind of glass-lined reactor and manufacture method thereof | |
| CN104175066B (en) | Axially pushing of a kind of ultra-long tube head flanges gathers material and jumping-up combination process | |
| CN103736734B (en) | Hot rolling CPE unit prepares the technique of the super 13Cr seamless steel pipe of high-chromium alloy | |
| CN107243584B (en) | Open-close type heater and wind power main shaft forging process adopting same | |
| CN104493436B (en) | A kind of manufacturing method having the both ends in-flanges titanium alloy cylindrical part for forcing feed supplement | |
| CN105198191A (en) | Extrusion forming device and process for small-caliber chalcogenide glass bar material | |
| CN206747279U (en) | A kind of heater for rolling molybdenum alloy pipe | |
| CN109604343A (en) | A uniform heating and heat preservation device for magnesium rods before skew rolling and piercing process | |
| CN206747278U (en) | A kind of heater for molybdenum alloy tubing roll forming | |
| CN206662180U (en) | A kind of sleeve processing device | |
| CN104294027A (en) | Integral step-type heating furnace with round rod | |
| CN105344752B (en) | A kind of conical thin-wall part school shape mould | |
| CN104259289B (en) | Steel pipe preheating device and application thereof and a kind of forming method of steel pipe | |
| CN107243720A (en) | Revolve mouth manufacturing process in a kind of heavy caliber combustion chamber | |
| CN106676436A (en) | Heat treatment furnace capable of achieving gradient distribution of temperature of extrusion billet and heat treatment method | |
| CN115055617A (en) | Integral hot-working forming method for oil cylinder | |
| CN216001133U (en) | Large-diameter rubber winding hose vulcanizing device | |
| CN106914498A (en) | A kind of heater and heating means for rolling molybdenum alloy pipe | |
| CN113561381B (en) | Vulcanizing device for large-caliber rubber winding hose and use method | |
| CN206721341U (en) | A kind of heat-treatment furnace for realizing extrusion billet temperature gradient distribution | |
| CN206326116U (en) | A kind of online preheating device of casting mould | |
| CN105057478A (en) | Method for producing variable-thickness variable-diameter steel pipes | |
| CN216966785U (en) | Welding machine heating device | |
| CN103553308B (en) | Varus solar energy glass flange production technology and production mould | |
| CN205170649U (en) | Sulphur is small -bore bar extrusion device of glass |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190605 Address after: 710077 88 Jinye Road, Xi'an high tech Industrial Development Zone, Shaanxi Co-patentee after: CHINA NUCLEAR POWER TECHNOLOGY RESEARCH INSTITUTE Patentee after: Jinduicheng Molybdenum Industry Co., Ltd. Address before: 710077 88 Jinye Road, Xi'an high tech Industrial Development Zone, Shaanxi Patentee before: Jinduicheng Molybdenum Industry Co., Ltd. |
|
| TR01 | Transfer of patent right |