CN106949738A - A kind of modified technique of horizontal crucible and its water circuit system - Google Patents
A kind of modified technique of horizontal crucible and its water circuit system Download PDFInfo
- Publication number
- CN106949738A CN106949738A CN201710270825.9A CN201710270825A CN106949738A CN 106949738 A CN106949738 A CN 106949738A CN 201710270825 A CN201710270825 A CN 201710270825A CN 106949738 A CN106949738 A CN 106949738A
- Authority
- CN
- China
- Prior art keywords
- crucible
- supporting plate
- cylinder
- welding
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/10—Crucibles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B2014/0837—Cooling arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/10—Crucibles
- F27B2014/102—Form of the crucibles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of modified technique of horizontal crucible and its water circuit system, horizontal crucible includes body and is installed on the supporting plate of body side-lower, and technique comprises the following steps：Step one, handled using ultrasonic examination, Surface testing is carried out to the material for preparing of body and supporting plate；Step 2, opens up welding groove；Step 3, rolls processing；Step 4, welding, school circle, finishing processing and radiographic inspection processing；Step 5, roughing is carried out to crucible cylinder and conductive crucible flange；Step 6, is welded to crucible cylinder and crucible flange；Step 7, is machined out to the crucible being welded to crucible desired size；Step 8, the water pressure test is carried out to crucible；Body and supporting plate are integrally prepared from by pure red copper or platinum material, the overall firmness of enhancing crucible；And its bottom surface is provided with concavo-convex ripple struction in crucible cylinder, the resistance to elevated temperatures and service life of crucible cylinder, reduction production and processing cost, so as to improve yield are improved.
Description
Technical field
The present invention relates to a kind of modified technique of horizontal crucible and its water circuit system, belong to Crucible equipment technical field.
Background technology
Existing crucible is by red copper body and is installed on the stainless steel supporting plate of red copper body side-lower and constitutes, and this kind of crucible makes
It is shorter with the life-span, and be easily deformed, leak, cost is higher, influences yield；Due among fusion process, crucible barrel distortion
While, supporting plate can be also deformed, and its bottom surface top of crucible cylinder is in contact with hot ingot casting, and bottom connects with cooling water
Touch, crucible cylinder body bottom to top is produced the temperature difference, the thermal stress of generation vertically upward, so as to produce deformation vertically upward；
Thermal stress is delivered on crucible flange and supporting plate by crucible cylinder lateral wall, makes its bottom crimp deformation aggravation of crucible cylinder；Earthenware
Its bottom surface of crucible cylinder exists between radial temperature difference, top-to-bottom from centre to circumferential edges position and there is axial temperature difference,
The thermal stress that both temperature difference are produced makes its basal diameter contraction of crucible cylinder, and height increases, the radial direction of its bottom surface of crucible cylinder
Contraction distortion makes it increase with the fit clearance of crucible cylinder body bottom seam, when the accumulation of unilateral gap reaches 3~4mm, melting
Liquid misfit gold in state will be flowed into the gap between crucible cylinder seam and crucible cylinder bottom surface, by crucible after solidification
Cylinder bottom surface is wrapped up, now the thoroughly failure deformation of crucible cylinder bottom surface.Therefore, in order to solve problem above, it would be highly desirable to existing
The water route of crucible be improved, to improve the service life of crucible.
The content of the invention
To solve the above problems, the present invention proposes the modified technique of a kind of horizontal crucible and its water circuit system, by body
Integrally it is prepared from by pure red copper or platinum material with supporting plate, the overall firmness of enhancing crucible；And at its bottom of crucible cylinder
Face is provided with concavo-convex ripple struction, improves the resistance to elevated temperatures and service life of crucible cylinder, and reduction is produced and processed into
This, so as to improve yield.
The horizontal crucible of the present invention, including body and the supporting plate for being installed on body side-lower；Body and the supporting plate one
It is prepared from；The body and supporting plate are integrally prepared from by pure red copper material or platinum material, and the body is set to cube
Hollow form.
As preferred embodiment, the body includes crucible flange and the square structure being arranged in the middle of crucible flange
Crucible cylinder；The crucible flange is made with crucible cylinder through argon arc welding is welded；Described its bottom surface of crucible cylinder is set
There is concavo-convex ripple struction；The trapezoidal structure in described its longitudinal cross-section of crucible cylinder.
As preferred embodiment, the supporting plate is located between crucible flange and crucible cylinder, the top surface of the supporting plate
Positioned at the lower end of the crucible flange top surface, the bottom surface of the supporting plate is located at the upper end of the crucible flange bottom, the crucible
The bottom surface of cylinder is located at the bottom of crucible flange bottom.
A kind of modified technique of the water circuit system of horizontal crucible, the technique comprises the following steps：
Step one, raw material is detected, is handled using ultrasonic examination, the preparation of the supporting plate of body and pure red copper to pure red copper
Material carries out Surface testing；
Step 2, opens up welding groove, welding groove is opened up on body and supporting plate material, and the groove opened up is carried out
Cleaning；
Step 3, is rolled, and will open up the body after welding groove and supporting plate material carries out rolling processing；
Step 4, is welded, school is justified, finishing processing and radiographic inspection are handled to the body and supporting plate material rolled；Weldering
Crucible cylinder will be rolled when connecing to be welded, and first be carried out the pure red copper welding on surface in crucible tube body, then be carried out crucible cylinder
The welding of the supporting plate in outside；
Step 5, preprocessing carries out roughing to crucible cylinder and conductive crucible flange；
Step 6, is welded to crucible cylinder and crucible flange, during the welding of crucible cylinder and crucible flange, first to earthenware
Crucible cylinder carries out the pre-heat treatment with crucible flange, and pure red copper face and the crucible cylinder inner surface for then carrying out crucible flange surface are pure
The welding and heat treatment in red copper face；
Step 7, finishing, is machined out to the crucible being welded to crucible desired size；
Step 8, crucible performance test carries out the water pressure test to crucible.
A kind of modified technique of the water circuit system of horizontal crucible, the technique comprises the following steps：
Step one, raw material is detected, is handled using ultrasonic examination, and body and pure platinum supporting plate to pure platinum prepares material
Material carries out Surface testing；
Step 2, opens up welding groove, welding groove is opened up on body and supporting plate material, and the groove opened up is carried out
Cleaning；
Step 3, is rolled, and will open up the body after welding groove and supporting plate material carries out rolling processing；
Step 4, is welded, school is justified, finishing processing and radiographic inspection are handled to the body and supporting plate material rolled；Weldering
Crucible cylinder will be rolled when connecing to be welded, and first be carried out the platinum welding on surface in crucible tube body, then be carried out crucible tube external
The welding of the supporting plate of side；
Step 5, preprocessing carries out roughing to crucible cylinder and conductive crucible flange；
Step 6, is welded to crucible cylinder and crucible flange, during the welding of crucible cylinder and crucible flange, first to earthenware
Crucible cylinder carries out the pre-heat treatment with crucible flange, then carries out platinum face and the crucible cylinder inner surface platinum of crucible flange surface
The welding and heat treatment in face；
Step 7, finishing, is machined out to the crucible being welded to crucible desired size；
Step 8, crucible performance test carries out the water pressure test to crucible.
A kind of modified technique of the water circuit system of horizontal crucible, the technique comprises the following steps：
Step one, raw material is detected, is handled using ultrasonic examination, and body and pure platinum supporting plate to pure red copper prepares material
Material carries out Surface testing；
Step 2, opens up welding groove, welding groove is opened up on body and supporting plate material, and the groove opened up is carried out
Cleaning；
Step 3, is rolled, and will open up the body after welding groove and supporting plate material carries out rolling processing；
Step 4, is welded, school is justified, finishing processing and radiographic inspection are handled to the body and supporting plate material rolled；Weldering
Crucible cylinder will be rolled when connecing to be welded, and first be carried out the pure red copper face welding on surface in crucible tube body, then be carried out crucible tube
The welding of the supporting plate of external side；
Step 5, preprocessing carries out roughing to crucible cylinder and conductive crucible flange；
Step 6, is welded to crucible cylinder and crucible flange, during the welding of crucible cylinder and crucible flange, first to earthenware
Crucible cylinder carries out the pre-heat treatment with crucible flange, and pure red copper face and the crucible cylinder inner surface for then carrying out crucible flange surface are pure
The welding and heat treatment in red copper face；
Step 7, finishing, is machined out to the crucible being welded to crucible desired size；
Step 8, crucible performance test carries out the water pressure test to crucible.
As preferred embodiment, also including the processing for the ripple struction being provided with to its bottom surface of crucible cylinder.
The present invention compared with prior art, horizontal crucible of the invention and its modified technique of water circuit system, by body
Integrally it is prepared from by pure red copper or platinum material with supporting plate, the overall firmness of enhancing crucible；And at its bottom of crucible cylinder
Face is provided with concavo-convex ripple struction, improves the resistance to elevated temperatures and service life of crucible cylinder, and reduction is produced and processed into
This, so as to improve yield.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram of the present invention.
Fig. 2 is the present invention looks up structural representation of the present invention.
Fig. 3 is the cross section structure diagram of the present invention.
Embodiment
As shown in Figure 1 to Figure 3, horizontal crucible of the invention, including body 1 and the supporting plate 2 for being installed on body side-lower；Institute
State body 1 and supporting plate 2 is integrally prepared from, the body 1 and supporting plate 2 are by pure red copper material or the preparation of platinum material one
Into the body 1 is set to the hollow form of cube.
Wherein, the body 1 includes the crucible cylinder of crucible flange 11 and the square structure being arranged in the middle of crucible flange
12；The crucible flange 11 is made with crucible cylinder 12 through argon arc welding is welded；Described its bottom surface of crucible cylinder 12 is provided with
Concavo-convex ripple struction 13；The trapezoidal structure in described its longitudinal cross-section of crucible cylinder 12, the supporting plate 2 is located at crucible flange 11
Between crucible cylinder 12, the top surface of the supporting plate 2 is located at the lower end of the top surface of crucible flange 11, the bottom surface of the supporting plate 2
Upper end positioned at the bottom surface of crucible flange 11, the bottom surface of the crucible cylinder 12 is located at the bottom of the bottom surface of crucible flange 11.
Embodiment 1：
A kind of modified technique of the water circuit system of horizontal crucible, the technique comprises the following steps：
Step one, raw material is detected, is handled using ultrasonic examination, the preparation of the supporting plate of body and pure red copper to pure red copper
Material carries out Surface testing；
Step 2, opens up welding groove, welding groove is opened up on body and supporting plate material, and the groove opened up is carried out
Cleaning；
Step 3, is rolled, and will open up the body after welding groove and supporting plate material carries out rolling processing；
Step 4, is welded, school is justified, finishing processing and radiographic inspection are handled to the body and supporting plate material rolled；Weldering
Crucible cylinder will be rolled when connecing to be welded, and first be carried out the pure red copper welding on surface in crucible tube body, then be carried out crucible cylinder
The welding of the supporting plate in outside；
Step 5, preprocessing carries out roughing to crucible cylinder and conductive crucible flange；
Step 6, is welded to crucible cylinder and crucible flange, during the welding of crucible cylinder and crucible flange, first to earthenware
Crucible cylinder carries out the pre-heat treatment with crucible flange, and pure red copper face and the crucible cylinder inner surface for then carrying out crucible flange surface are pure
The welding and heat treatment in red copper face；
Step 7, finishing, is machined out to the crucible being welded to crucible desired size；
Step 8, crucible performance test carries out the water pressure test to crucible.
Embodiment 2：
A kind of modified technique of the water circuit system of horizontal crucible, the technique comprises the following steps：
Step one, raw material is detected, is handled using ultrasonic examination, and body and pure platinum supporting plate to pure platinum prepares material
Material carries out Surface testing；
Step 2, opens up welding groove, welding groove is opened up on body and supporting plate material, and the groove opened up is carried out
Cleaning；
Step 3, is rolled, and will open up the body after welding groove and supporting plate material carries out rolling processing；
Step 4, is welded, school is justified, finishing processing and radiographic inspection are handled to the body and supporting plate material rolled；Weldering
Crucible cylinder will be rolled when connecing to be welded, and first be carried out the platinum welding on surface in crucible tube body, then be carried out crucible tube external
The welding of the supporting plate of side；
Step 5, preprocessing carries out roughing to crucible cylinder and conductive crucible flange；
Step 6, is welded to crucible cylinder and crucible flange, during the welding of crucible cylinder and crucible flange, first to earthenware
Crucible cylinder carries out the pre-heat treatment with crucible flange, then carries out platinum face and the crucible cylinder inner surface platinum of crucible flange surface
The welding and heat treatment in face；
Step 7, finishing, is machined out to the crucible being welded to crucible desired size；
Step 8, crucible performance test carries out the water pressure test to crucible.
Embodiment 3：
A kind of modified technique of the water circuit system of horizontal crucible, the technique comprises the following steps：
Step one, raw material is detected, is handled using ultrasonic examination, and body and pure platinum supporting plate to pure red copper prepares material
Material carries out Surface testing；
Step 2, opens up welding groove, welding groove is opened up on body and supporting plate material, and the groove opened up is carried out
Cleaning；
Step 3, is rolled, and will open up the body after welding groove and supporting plate material carries out rolling processing；
Step 4, is welded, school is justified, finishing processing and radiographic inspection are handled to the body and supporting plate material rolled；Weldering
Crucible cylinder will be rolled when connecing to be welded, and first be carried out the pure red copper face welding on surface in crucible tube body, then be carried out crucible tube
The welding of the supporting plate of external side；
Step 5, preprocessing carries out roughing to crucible cylinder and conductive crucible flange；
Step 6, is welded to crucible cylinder and crucible flange, during the welding of crucible cylinder and crucible flange, first to earthenware
Crucible cylinder carries out the pre-heat treatment with crucible flange, and pure red copper face and the crucible cylinder inner surface for then carrying out crucible flange surface are pure
The welding and heat treatment in red copper face；
Step 7, finishing, is machined out to the crucible being welded to crucible desired size；
Step 8, crucible performance test carries out the water pressure test to crucible.
Wherein, also including the processing for the ripple struction being provided with to its bottom surface of crucible cylinder.
The horizontal crucible of the present invention and its modified technique of water circuit system, its bottom surface top of crucible cylinder and hot ingot casting
It is in contact, bottom is contacted with cooling water, crucible cylinder body bottom to top is produced the temperature difference, generate thermal stress vertically upward, from
And deformation vertically upward is produced, concavo-convex ripple struction is provided with its bottom surface of crucible cylinder, can effectively disperse heat should
Power, reduces stress to its bottom crimp deformation extent of crucible cylinder；Thermal stress is delivered to crucible flange by crucible cylinder lateral wall
On supporting plate, body and supporting plate are integrally prepared from by pure red copper or platinum material, the overall firmness of enhancing crucible；And
In crucible cylinder, its bottom surface is provided with concavo-convex ripple struction, improves the resistance to elevated temperatures and service life of crucible cylinder,
Reduction production and processing cost, so as to improve yield.
Above-described embodiment, is only the better embodiment of the present invention, therefore all structures according to described in present patent application scope
Make, the equivalent change or modification that feature and principle are done, be included in the range of present patent application.
Claims (7)
1. a kind of horizontal crucible, it is characterised in that：Including body and it is installed on the supporting plate of body side-lower；The body and supporting plate
Integrally it is prepared from；The body and supporting plate are integrally prepared from by pure red copper material or platinum material, and the body is set to
The hollow form of cube.
2. horizontal crucible according to claim 1, it is characterised in that：The body includes crucible flange and is arranged at crucible
The crucible cylinder of square structure in the middle of flange；The crucible flange is made with crucible cylinder through argon arc welding is welded；It is described
Its bottom surface of crucible cylinder is provided with concavo-convex ripple struction；The trapezoidal structure in described its longitudinal cross-section of crucible cylinder.
3. horizontal crucible according to claim 2, it is characterised in that：The supporting plate be located at crucible flange and crucible cylinder it
Between, the top surface of the supporting plate is located at the lower end of the crucible flange top surface, and the bottom surface of the supporting plate is located at the crucible flange bottom
The upper end in face, the bottom surface of the crucible cylinder is located at the bottom of crucible flange bottom.
4. a kind of modified technique of the water circuit system of horizontal crucible, it is characterised in that：The technique comprises the following steps：
Step one, raw material is detected, is handled using ultrasonic examination, and the supporting plate of body and pure red copper to pure red copper prepares material
Carry out Surface testing；
Step 2, opens up welding groove, welding groove is opened up on body and supporting plate material, and the groove opened up is carried out clearly
Reason；
Step 3, is rolled, and will open up the body after welding groove and supporting plate material carries out rolling processing；
Step 4, is welded, school is justified, finishing processing and radiographic inspection are handled to the body and supporting plate material rolled；During welding
Crucible cylinder will be rolled to be welded, the pure red copper welding on surface in crucible tube body is first carried out, then carry out the external side of crucible tube
Supporting plate welding；
Step 5, preprocessing carries out roughing to crucible cylinder and conductive crucible flange；
Step 6, is welded to crucible cylinder and crucible flange, during the welding of crucible cylinder and crucible flange, first to crucible tube
Body carries out the pre-heat treatment with crucible flange, then carries out pure red copper face and the pure red copper of crucible cylinder inner surface of crucible flange surface
The welding and heat treatment in face；
Step 7, finishing, is machined out to the crucible being welded to crucible desired size；
Step 8, crucible performance test carries out the water pressure test to crucible.
5. a kind of modified technique of the water circuit system of horizontal crucible, it is characterised in that：The technique comprises the following steps：
Step one, raw material is detected, is handled using ultrasonic examination, the material for preparing of body and pure platinum supporting plate to pure platinum enters
Row Surface testing；
Step 2, opens up welding groove, welding groove is opened up on body and supporting plate material, and the groove opened up is carried out clearly
Reason；
Step 3, is rolled, and will open up the body after welding groove and supporting plate material carries out rolling processing；
Step 4, is welded, school is justified, finishing processing and radiographic inspection are handled to the body and supporting plate material rolled；During welding
Crucible cylinder will be rolled to be welded, the platinum welding on surface in crucible tube body is first carried out, then carry out the external side of crucible tube
The welding of supporting plate；
Step 5, preprocessing carries out roughing to crucible cylinder and conductive crucible flange；
Step 6, is welded to crucible cylinder and crucible flange, during the welding of crucible cylinder and crucible flange, first to crucible tube
Body carries out the pre-heat treatment with crucible flange, then carries out the platinum face and crucible cylinder inner surface platinum face of crucible flange surface
Welding and heat treatment；
Step 7, finishing, is machined out to the crucible being welded to crucible desired size；
Step 8, crucible performance test carries out the water pressure test to crucible.
6. a kind of modified technique of the water circuit system of horizontal crucible, it is characterised in that：The technique comprises the following steps：
Step one, raw material is detected, is handled using ultrasonic examination, the material for preparing of body and pure platinum supporting plate to pure red copper enters
Row Surface testing；
Step 2, opens up welding groove, welding groove is opened up on body and supporting plate material, and the groove opened up is carried out clearly
Reason；
Step 3, is rolled, and will open up the body after welding groove and supporting plate material carries out rolling processing；
Step 4, is welded, school is justified, finishing processing and radiographic inspection are handled to the body and supporting plate material rolled；During welding
Crucible cylinder will be rolled to be welded, the pure red copper face welding on surface in crucible tube body is first carried out, then carry out crucible tube external
The welding of the supporting plate of side；
Step 5, preprocessing carries out roughing to crucible cylinder and conductive crucible flange；
Step 6, is welded to crucible cylinder and crucible flange, during the welding of crucible cylinder and crucible flange, first to crucible tube
Body carries out the pre-heat treatment with crucible flange, then carries out pure red copper face and the pure red copper of crucible cylinder inner surface of crucible flange surface
The welding and heat treatment in face；
Step 7, finishing, is machined out to the crucible being welded to crucible desired size；
Step 8, crucible performance test carries out the water pressure test to crucible.
7. the modified technique of the water circuit system of the horizontal crucible according to claim 4,5 or 6, it is characterised in that：Also include
The processing for the ripple struction being provided with to its bottom surface of crucible cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710270825.9A CN106949738A (en) | 2017-04-24 | 2017-04-24 | A kind of modified technique of horizontal crucible and its water circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710270825.9A CN106949738A (en) | 2017-04-24 | 2017-04-24 | A kind of modified technique of horizontal crucible and its water circuit system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106949738A true CN106949738A (en) | 2017-07-14 |
Family
ID=59476641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710270825.9A Pending CN106949738A (en) | 2017-04-24 | 2017-04-24 | A kind of modified technique of horizontal crucible and its water circuit system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106949738A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2127485Y (en) * | 1992-04-07 | 1993-02-24 | 中国有色金属工业总公司昆明贵金属研究所 | Glass fiber leakage plate crucible |
| CN101619929A (en) * | 2009-07-08 | 2010-01-06 | 南京宝泰特种材料有限公司 | Red copper/stainless steel composite board crucible and preparation method |
| CN205258659U (en) * | 2015-12-03 | 2016-05-25 | 江苏美科硅能源有限公司 | A special -shaped crucible for casting accurate single crystal |
-
2017
- 2017-04-24 CN CN201710270825.9A patent/CN106949738A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2127485Y (en) * | 1992-04-07 | 1993-02-24 | 中国有色金属工业总公司昆明贵金属研究所 | Glass fiber leakage plate crucible |
| CN101619929A (en) * | 2009-07-08 | 2010-01-06 | 南京宝泰特种材料有限公司 | Red copper/stainless steel composite board crucible and preparation method |
| CN205258659U (en) * | 2015-12-03 | 2016-05-25 | 江苏美科硅能源有限公司 | A special -shaped crucible for casting accurate single crystal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102489952B (en) | Method for manufacturing titanium alloy thick-wall pressure-resistant cylinder body | |
| CN102294579B (en) | Method for manufacturing thin-wall and ultra-long nickel-copper alloy pipes | |
| CN102418060A (en) | Processing method for TC4 titanium alloy large-sized bar | |
| CN202214452U (en) | Split nested type cylindrical heat shield used for sapphire single crystal furnace | |
| CN104046900A (en) | Heavy-gauge critical hydrogen 12Cr2MolR steel plate and manufacturing method | |
| CN103920967B (en) | Absorption tower welding method | |
| CN110451780B (en) | Cooling section flat tube for platinum channel in substrate glass production process and preparation method thereof | |
| CN104538543A (en) | Preparing method of NbTi rod for low-temperature superconducting wire rod | |
| CN104259357A (en) | Large-sized steel ingot production method | |
| CN103231209A (en) | Method for producing vacuum-embedded metallurgical composite bimetal seamless tube | |
| CN104785979B (en) | Steel construction box column electroslag welding inside water flowing copper billet forced cooling device | |
| CN104152709A (en) | Production process for corrosion resistant alloy electroslag remelting slab with thickness smaller than 200 mm and equipment | |
| CN102649123B (en) | Method for producing extra thick composite board through dissymmetrical composite rolling | |
| CN105268753A (en) | Extruding machine and method of utilizing extruding machine to manufacture large-diameter thick-wall seamless copper pipe | |
| CN100457354C (en) | Pile-up welding method of turbine low pressure heater pipe plate and shell, water chamber junction | |
| CN106949738A (en) | A kind of modified technique of horizontal crucible and its water circuit system | |
| CN113857283A (en) | Forming method of high-speed tool steel bar | |
| US9643242B2 (en) | Back-up roll device and method for conducting corner deformation on chamfered continuous casting slab | |
| CN101619929B (en) | Red copper/stainless steel composite board crucible and preparation method | |
| CN109317787A (en) | A kind of steel conduit all positon narrow gap TIG automatic welding process | |
| CN105598163A (en) | Process for rolling metal composite rod with corrugated bonding surface | |
| CN109261744A (en) | A kind of major diameter dual phase steel pipe manufacturing method | |
| JP5343746B2 (en) | Continuous casting method of round slabs for seamless steel pipes | |
| CN108057875B (en) | Consumable electrode assembly complete equipment for electroslag remelting hollow steel ingot and consumable electrode assembly method | |
| CN108788041A (en) | Fan-shaped section roll array structure and application method are used under a kind of weight of continuous casting and solidifying end |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170714 |
|
| WD01 | Invention patent application deemed withdrawn after publication |