CN107457532B - A kind of welded type Copper steel cladding cooling wall production method - Google Patents
A kind of welded type Copper steel cladding cooling wall production method Download PDFInfo
- Publication number
- CN107457532B CN107457532B CN201710630328.5A CN201710630328A CN107457532B CN 107457532 B CN107457532 B CN 107457532B CN 201710630328 A CN201710630328 A CN 201710630328A CN 107457532 B CN107457532 B CN 107457532B
- Authority
- CN
- China
- Prior art keywords
- copper
- cooling wall
- steel
- steel cladding
- steel plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/10—Cooling; Devices therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/12—Casings; Linings; Walls; Roofs incorporating cooling arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Metal Rolling (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The present invention provides a kind of welded type Copper steel cladding cooling wall production methods, belong to blast furnace cooling stave and Copper making water jacket technical field.The present invention includes: step 1, is pre-processed to copper sheet and steel plate；Step 2, under conditions of inert environments, high temperature and high pressure, copper sheet is opposite with the pretreated plate face of steel plate, side rolled edge carries out tracking welding, forms Copper steel cladding cooling wall green body；Step 3 carries out post-production to copper-steel composite board, becomes Copper steel cladding cooling wall.The present invention is in such a way that sheet forming welds under conditions of inert environments, high temperature and high pressure, it can substitute that existing rolling flow is compound, continuous casting and rolling is compound, the methods of composite casting, this method can select the preferably high-quality plate of quality, and cost is also lower；And the bond strength between copper sheet and steel plate is higher than the tensile strength of substrate copper.
Description
Technical field
The invention belongs to blast furnace cooling stave and copper smelting-furnace water-cooled jacket technical fields, are to be related to a kind of weldering more specifically
Connect formula Copper steel cladding cooling wall production method.
Background technique
There is one layer of cooling wall (or being cooling water tank) between High-temp. kiln shell and fireproof brick inner lining, it is used at present cold
But wall material is mainly that spheroidal graphite cast-iron, cast steel or fine copper plate are process, and inside sets cooling-water duct, which is rectangular
Shape is flat, and simple spheroidal graphite cast-iron or cast steel material, heat-conducting effect is bad, often causes cold because furnace kiln temperature is excessively high
But wall corrode scaling loss, although simple copper cooling wall thermal conductivity is good, because the non-deformability of material itself is poor, and rectangle
Cooling wall cooling-water duct cannot be evenly arranged, and cause the even larger internal stress of generation of inhomogeneous cooling, eventually lead to overall structure
Deformation, can be by stove Housing failure when serious.Copper can be played using the Copper steel cladding cooling wall that copper steel plate composite board makes
Heat transfer efficiency is high and the intensity of steel is high and advantage at low cost.The production method of copper steel plate composite board has at present: 1, in base
Material is covered in casting on plate；2, material is covered in 3D printing on substrate；3, material is covered in built-up welding on substrate；4, hot rolling flow is compound.But these
The partial intensities poured after the copper steel plate composite board that the method for pouring composite molding after makes are lower, and binding performance is not strong, and
Higher cost can not meet requirement of the cooling wall to materials ' durability well.
Summary of the invention
The purpose of the present invention is to provide a kind of welded type Copper steel cladding cooling wall production methods, to solve in the prior art
The technical issues of existing copper steel bond strength is low and high production cost.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of welded type Copper steel cladding cooling wall system is provided
Make method, comprising: step 1 pre-processes copper sheet and steel plate；Step 2, in the condition of inert environments, high temperature and high pressure
Under, copper sheet is opposite with the pretreated plate face of steel plate, and side rolled edge carries out tracking welding, forms Copper steel cladding cooling wall base
Body；Step 3 carries out post-production to Copper steel cladding cooling wall green body, becomes Copper steel cladding cooling wall；The hot conditions are
150 DEG C~500 DEG C；The condition of high voltage is 50MPa~500MPa.
Further, in a kind of welded type Copper steel cladding cooling wall production method above-mentioned, in step 1, to copper sheet with
The pretreatment that steel plate carries out includes one in copper sheet and steel plate progress cutting process, derusting, sanding and polishing, leveling and bending process
Kind or a variety of combinations.
Further, in a kind of welded type Copper steel cladding cooling wall production method above-mentioned, in step 2, the inertia ring
Border includes vacuum environment or inert gas environment, includes in inert gas, nitrogen and carbon dioxide in the inert gas environment
One or more combinations.
Further, in a kind of welded type Copper steel cladding cooling wall production method above-mentioned, in step 2, the tracking welding
It connects using electron beam welding or laser welding.
Further, in a kind of welded type Copper steel cladding cooling wall production method above-mentioned, in step 2, the equipment of rolling
Including being located at copper sheet or lower part of steel plate stationary roll and being located at copper sheet or steel plate top presses roll, the stationary roll with it is described
Effect pressure is 50MPa~500MPa between pressure roll.
Further, in a kind of welded type Copper steel cladding cooling wall production method above-mentioned, in step 2, steel plate and copper sheet
Angle is formed so that the contact site of welding gun alignment steel plate and copper sheet is welded.
Further, described cooling to Copper steel cladding in a kind of welded type Copper steel cladding cooling wall production method above-mentioned
The post-production that wall green body carries out includes: to answer the step of processing cooling-water duct on Copper steel cladding cooling wall green body in copper steel
Close cooling wall green body steel plate side carry out water channel processing, water channel working depth to layers of copper, water channel layers of copper depth be 1mm~
Then the rectangle or semicircle of 20mm covers water channel with material identical with the steel plate.
Further, described cooling to Copper steel cladding in a kind of welded type Copper steel cladding cooling wall production method above-mentioned
The step of wall green body progress post-production includes: to process oat tail groove structure in the copper sheet side of Copper steel cladding cooling wall green body.
Further, described cooling to Copper steel cladding in a kind of welded type Copper steel cladding cooling wall production method above-mentioned
The step of wall green body progress post-production includes: the dovetail groove location processing refractory material anchoring knot in Copper steel cladding cooling wall
Structure.
Further, in a kind of welded type Copper steel cladding cooling wall production method above-mentioned, in step 3, to Copper steel cladding
Plate cut, one of sanding and polishing and bending process or the step of a variety of combined treatments.
A kind of beneficial effect of welded type Copper steel cladding cooling wall production method provided by the invention is: with the prior art
It compares, the present invention can substitute existing in such a way that sheet forming welds under conditions of inert environments, high temperature and high pressure
Rolling that flow is compound, continuous casting and rolling is compound, the methods of composite casting, this method can select the preferably high-quality plate of quality, and
And cost is also lower；And the bond strength between copper sheet and steel plate is higher than the tensile strength of substrate copper.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of working condition signal of welded type Copper steel cladding cooling wall production method provided in an embodiment of the present invention
Figure.
Wherein, each appended drawing reference in figure:
110 steel plates；120 copper sheets；200 rolls；300 welding guns.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
With reference to attached drawing 1, now a kind of welded type Copper steel cladding cooling wall production method provided by the invention is illustrated.Institute
State welded type Copper steel cladding cooling wall production method, comprising:
Step 1 pre-processes copper sheet 120 and steel plate 110；Step 2, in the item of inert environments, high temperature and high pressure
Under part, copper sheet 120 is opposite with the pretreated plate face of steel plate 110, side rolled edge carries out tracking welding, and it is cold to form Copper steel cladding
But wall green body；Step 3 carries out post-production to Copper steel cladding cooling wall green body, becomes Copper steel cladding cooling wall.
Compound cold of " copper-steel " single can both have been made using welded type Copper steel cladding cooling wall production method of the invention
But wall can also make the multiple compound cooling wall such as " steel-copper-steel ", the multiple compound cooling wall such as production " steel-copper-steel "
When need to only repeat the above steps as needed successively it is compound.
In a kind of a kind of specific embodiment of welded type Copper steel cladding cooling wall production method provided by the invention, copper smelting
The outlet flue water jacket of furnace bottom convertor, using " steel-copper-stainless-steel " multiple composite body, hot face uses stainless steel, can be effective
Antiscour is wear-resistant, and centre uses fine copper, makes full use of the high-termal conductivity of copper, and the back side uses different heat resisting steel, and it is whole to improve water jacket
The structural strength of body.Compound tense, it is first that stainless steel is compound with copper, copper-stainless-steel green body and steel progress is compound.
Welded type Copper steel cladding cooling wall production method provided by the invention, compared with prior art, using sheet forming
The mode welded under conditions of inert environments, high temperature and high pressure can substitute the existing casting on substrate and cover material, in substrate
Upper 3D printing covers that material, material and the compound method of hot rolling flow are covered in built-up welding on substrate, so as to select quality preferably excellent
Lumber is utilized board quality made of existing smelting making sheet technology and is substantially better than above four kinds of technique, and cost
It is lower；Since weld can reach the intensity higher than plate itself, copper sheet 120 is compared with the bond strength between steel plate 110
The tensile strength of substrate copper is higher.
Copper-steel composite plate made of a kind of welded type Copper steel cladding cooling wall production method provided in an embodiment of the present invention
Design parameter see the table below.
| Specimen coding | Rp0.2 | Rm | A |
| (MPa) | (MPa) | (%) | |
| Longitudinal -1 | 375 | 415 | 16.0 |
| -2 | 380 | 415 | 14.0 |
| -3 | 375 | 410 | 16.0 |
| Specimen coding | Ob | Specimen coding | o |
| (MPa) | |||
| Lateral -1 | 328 | Curvature -1 | 82° |
| -2 | 325 | -2 | 60° |
| -3 | 301 | -3 | 57° |
| -4 | 315 |
The table data illustrate that the bond strength of the compound scheme is better than the tensile strength of fine copper material itself, by vertical
When the stretching action of faying face, it can be broken from fine copper material, without being broken from faying face.
Further, a kind of specific embodiment party as welded type Copper steel cladding cooling wall production method provided by the invention
Formula, in step 1, include copper sheet 120 to the pretreatment that copper sheet 120 and steel plate 110 carry out and steel plate 110 carry out cutting process,
One of derusting, sanding and polishing, leveling and bending process or a variety of combinations.Cut place is carried out to copper sheet 120 and steel plate 110
The pretreatment such as reason, derusting, sanding and polishing, leveling and bending process, primarily to improving the welding of copper sheet 120 and steel plate 110
Effect, to improve the bond strength between copper sheet 120 and steel plate 110.If the geomery of copper sheet 120 or steel plate 110, light
Cleanliness or flatness can satisfy requirement, then corresponding processing step can be omitted.
Further, a kind of specific embodiment party as welded type Copper steel cladding cooling wall production method provided by the invention
Formula, in step 2, it includes inertia in the inert gas environment that the inert environments, which include vacuum environment or inert gas environment,
One of gas, nitrogen and carbon dioxide or a variety of combinations；The hot conditions are 150 DEG C~500 DEG C；The high-pressure section
Part is 50MPa~500MPa.It, can be by spraying inert gas, nitrogen at the position that will be welded before carrying out rolling welding
Or the mode of the gases such as carbon dioxide excludes air, forms inert environments, during the rolling process, these gases can be also extruded,
To promote the binding performance between copper sheet 120 and steel plate 110.When being welded in air, metal can produce under the high temperature conditions
Raw oxidation slag crust, oxidation slag crust welding quality can generate very serious influence, and vacuum environment or inert gas environment, can
To prevent the soldered face of plate from generating oxidation slag crust.
Further, a kind of specific embodiment party as welded type Copper steel cladding cooling wall production method provided by the invention
Formula, in step 2, the tracking welding uses electron beam welding or laser welding.In the actual operation process, using other
Effective connection of copper sheet 120 Yu steel plate 110 also may be implemented in welding manner, still, due to using electron beam welding or laser
The mode of welding is not required to add wlding in soldered face, can keep the smooth of welding surface.And other welding manners is used to need
The defects of filling wlding in welding surface, cause welding surface out-of-flatness, or even generate slag inclusion, breath.So using electron beam welding
Or the effect of laser welding is more ideal, helps to improve the bond strength between copper sheet 120 and steel plate 110.
Further, a kind of specific embodiment party as welded type Copper steel cladding cooling wall production method provided by the invention
Formula, in step 2, the equipment of rolling includes multiple tracks roll 200, and roll 200 includes fixing positioned at copper sheet 120 or 110 lower part of steel plate
Roll and it is located at copper sheet 120 or 110 top of steel plate and presses roll, acts on pressure between the stationary roll and the pressure roll
For 50MPa~500MPa.Be conducive to improve the pressure that copper sheet 120 and steel plate 110 are subject to using roll structure, make copper sheet 120 with
Steel plate 110 is more bonded, while excluding the gas between copper sheet 120 and steel plate 110 as far as possible, is increased copper sheet 120 and is connect with steel plate 110
The conjugation of contact portion position.Pressure between stationary roll and pressure roll is slightly above copper sheet 120 and steel plate 110 is compound required
Pressure can guarantee that welding position reaches the pressure of needs.
Further, a kind of specific embodiment party as welded type Copper steel cladding cooling wall production method provided by the invention
Formula, in step 2, steel plate 110 forms angle so that welding gun 300 is directed at the contact site of steel plate 110 Yu copper sheet 120 with copper sheet 120
It is welded.Copper sheet 120 or steel plate 110 can be with slightly curved songs, in order to which steel plate 110 and copper sheet 120 form angle, to guarantee
Pressure between copper sheet 120 and steel plate 110 is also convenient for the contact site that welding gun 300 is directed at steel plate 110 and copper sheet 120.Here institute
The welding gun 300 of finger refers to the welding gun 300 of broad sense, that is, the tool of welding condition is provided, the specific can be that electron beam or electron beam
Generator, be also possible to laser welding gun 300.
Further, a kind of specific embodiment party as welded type Copper steel cladding cooling wall production method provided by the invention
Formula, described the step of carrying out post-production to Copper steel cladding cooling wall green body includes: to process on Copper steel cladding cooling wall green body
The step of cooling-water duct, carries out water channel processing in the steel plate side of Copper steel cladding cooling wall green body, water channel working depth is extremely
Layers of copper, the rectangle or semicircle that water channel is 1mm~20mm in the depth of layers of copper, is then covered with material identical with the steel plate
Water channel.The water channel is cooling-water duct, and cooling-water duct is for the important feature that water flowing cools down into cooling wall, in copper
Plate 120 and the compound post-processing cooling-water duct of steel plate 110, simultaneously because cooling-water duct is to be welded on copper sheet 120 and steel plate
Between 110, airtightness is more preferable, and cooling water is directly contacted with copper sheet 120, more conducively thermally conductive.
Further, a kind of specific embodiment party as welded type Copper steel cladding cooling wall production method provided by the invention
Formula, described the step of carrying out post-production to Copper steel cladding cooling wall green body includes: in Copper steel cladding cooling wall green body copper sheet side
Face processes oat tail groove structure, which is to inlay refractory brick or spray to fix unshape refractory, the dovetail
Slot structure is lateral swallow-tail form groove-like structure.
Further, a kind of specific embodiment party as welded type Copper steel cladding cooling wall production method provided by the invention
Formula, in step 3, in the step of 120 side of copper sheet of Copper steel cladding cooling wall green body processes refractory material anchor structure.Processing
Refractory material anchor structure is conducive to be promoted the bonding strength of cooling wall and refractory material, and refractory material can be effectively prevent de-
It falls.
Further, a kind of specific embodiment party as welded type Copper steel cladding cooling wall production method provided by the invention
Formula in step 3, cuts copper-steel composite board, one of sanding and polishing and bending process or a variety of combined treatments
The step of.These steps are to be able to obtain the cooling wall that geomery, finish or flatness meet needs, if by
The relevant parameter of Copper steel cladding cooling wall green body after step 2 can satisfy the requirement of cooling wall, then can be omitted relevant
Step.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of welded type Copper steel cladding cooling wall production method characterized by comprising
Step 1 pre-processes copper sheet and steel plate；
Step 2, it is under conditions of inert environments, high temperature and high pressure, copper sheet is opposite with the pretreated plate face of steel plate, while rolling
Side processed carries out tracking welding, forms Copper steel cladding cooling wall green body, and the hot conditions are 150 DEG C~600 DEG C, the high-pressure section
Part is 50MPa~500MPa；
Step 3 carries out post-production to Copper steel cladding cooling wall green body, becomes Copper steel cladding cooling wall.
2. a kind of welded type Copper steel cladding cooling wall production method as described in claim 1, it is characterised in that: in step 1
In, to the pretreatment that copper sheet and steel plate carry out include copper sheet and steel plate carries out cutting process, derusting, sanding and polishing, leveling and curved
One of song processing or a variety of combinations.
3. a kind of welded type Copper steel cladding cooling wall production method as described in claim 1, it is characterised in that: in step 2,
The inert environments include vacuum environment or inert gas environment.
4. a kind of welded type Copper steel cladding cooling wall production method as described in claim 1, it is characterised in that: in step 2,
The tracking welding uses electron beam welding or laser welding.
5. a kind of welded type Copper steel cladding cooling wall production method as described in claim 1, it is characterised in that: in step 2,
The equipment of rolling is including being located at copper sheet and lower part of steel plate stationary roll and being located at copper sheet and steel plate top pressure roll, the fixation
It is 50MPa~500MPa that pressure is acted between roll and the pressure roll.
6. a kind of welded type Copper steel cladding cooling wall production method as described in claim 1, it is characterised in that: in step 2,
Steel plate forms angle so that welding gun is directed at the contact site welding of steel plate and copper sheet with copper sheet.
7. a kind of welded type Copper steel cladding cooling wall production method as described in claim 1, it is characterised in that: in step 3,
On Copper steel cladding cooling wall green body process cooling-water duct the step of, i.e., the steel plate side of Copper steel cladding cooling wall green body into
The processing of row water channel, water channel working depth to layers of copper, the rectangle or semicircle that water channel is 1mm~20mm in the depth of layers of copper, then
Water channel is covered with material identical with the steel plate.
8. a kind of welded type Copper steel cladding cooling wall production method as described in claim 1, it is characterised in that: described to copper steel
The step of composite cooling wall green body progress post-production includes: to process dovetail groove in the copper sheet side of Copper steel cladding cooling wall green body
Structure.
9. a kind of welded type Copper steel cladding cooling wall production method as claimed in claim 8, it is characterised in that: described to copper steel
The step of composite cooling wall green body progress post-production includes: the dovetail groove location processing refractory material in Copper steel cladding cooling wall
Anchor structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710630328.5A CN107457532B (en) | 2017-07-28 | 2017-07-28 | A kind of welded type Copper steel cladding cooling wall production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710630328.5A CN107457532B (en) | 2017-07-28 | 2017-07-28 | A kind of welded type Copper steel cladding cooling wall production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107457532A CN107457532A (en) | 2017-12-12 |
| CN107457532B true CN107457532B (en) | 2019-03-12 |
Family
ID=60547818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710630328.5A Active CN107457532B (en) | 2017-07-28 | 2017-07-28 | A kind of welded type Copper steel cladding cooling wall production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107457532B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680031A (en) * | 2018-07-26 | 2018-10-19 | 河北万丰冶金备件有限公司 | A kind of Copper steel cladding water jacket and preparation method thereof |
| CN112872716A (en) * | 2020-12-25 | 2021-06-01 | 河北万丰冶金备件有限公司 | Method for manufacturing cooling wall of blast furnace |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA003520B1 (en) * | 1999-04-09 | 2003-06-26 | Смс Демаг Аг | Stave for cool shaft kilns |
| EP1469085A1 (en) * | 2003-04-14 | 2004-10-20 | Paul Wurth S.A. | Cooling plate for a metallurgical vessel |
| CN203003481U (en) * | 2012-11-30 | 2013-06-19 | 武汉钢铁(集团)公司 | Welding and rolling production device of multilayer composite boards |
-
2017
- 2017-07-28 CN CN201710630328.5A patent/CN107457532B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107457532A (en) | 2017-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107457532B (en) | A kind of welded type Copper steel cladding cooling wall production method | |
| CN102248345B (en) | End plate surfacing fixture and manufacturing method | |
| CN103658175A (en) | Method for manufacturing metal composite plate | |
| CN104046900A (en) | Heavy-gauge critical hydrogen 12Cr2MolR steel plate and manufacturing method | |
| CN104786582B (en) | A kind of precast concrete production line die station face steel plate and its manufacture method | |
| CN104759596A (en) | Composite-coating continuous casting crystallizer copper plate with long service life and manufacturing technology thereof | |
| CN105543710A (en) | Carbon steel and martensitic stainless steel clad steel plate and production method thereof | |
| CN111621610A (en) | Steel cooling wall with combined pipe wall and channel | |
| CN212316153U (en) | Steel cooling wall with combined pipe wall and channel | |
| CN102031469A (en) | Method for heating large titanium and titanium alloy slabs | |
| CN100999768A (en) | Blast furnace cooling wall | |
| CN102091727A (en) | Method for improving internal quality of medium plate | |
| CN108680031A (en) | A kind of Copper steel cladding water jacket and preparation method thereof | |
| CN101104226A (en) | Method for controlling revolving furnace shell connecting flange weld deformation | |
| CN201190164Y (en) | Composite cooling wall for blast furnace | |
| CN209550880U (en) | The device handled for the Laser Welding of aluminium alloy and laser annealing | |
| CN105543455A (en) | Induction heat treatment process method of composite steel plate | |
| CN205640983U (en) | Furnace band steel type tube panel | |
| CN210198103U (en) | Double-layer water-cooled fuming furnace copper-steel composite furnace bottom water jacket | |
| CN108050832A (en) | Energy-saving electrical furnace system | |
| CN103132008A (en) | Induction heater and method for realizing non-preheating cladding of alloy on steel rail by using same | |
| CN200988843Y (en) | Blast furnace cooling wall | |
| CN102756227B (en) | Method for detecting temperature of high-strength Cr-Mo steel double-side welding back gouging groove belt | |
| JPH07270081A (en) | Lined refractory structure for molten metal container | |
| CN206504631U (en) | A kind of stove water-cooling wall |
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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Niu Jianping Inventor after: Huo Shouming Inventor after: Yan Lifeng Inventor after: Wang Haiyang Inventor after: Liu Shangjing Inventor before: Niu Jianping Inventor before: Huo Shouming Inventor before: Yan Lifeng Inventor before: Wang Haiyang Inventor before: Liu Shangjin |
|
| CB03 | Change of inventor or designer information | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A method of manufacturing a welded copper-steel composite cooling stave Effective date of registration: 20220824 Granted publication date: 20190312 Pledgee: China Construction Bank Corporation Zhangjiakou Xihuan Sub-branch Pledgor: HEBEI WANFENG METALLURGICAL SPARE PARTS Co.,Ltd. Registration number: Y2022980013496 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |