CN106475661B - A kind of bead-welding technology of wear-resisting millstone sheet - Google Patents
A kind of bead-welding technology of wear-resisting millstone sheet Download PDFInfo
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- CN106475661B CN106475661B CN201610977718.5A CN201610977718A CN106475661B CN 106475661 B CN106475661 B CN 106475661B CN 201610977718 A CN201610977718 A CN 201610977718A CN 106475661 B CN106475661 B CN 106475661B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
- B23K9/044—Built-up welding on three-dimensional surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
- B23K35/0261—Rods, electrodes, wires
- B23K35/0272—Rods, electrodes, wires with more than one layer of coating or sheathing material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
- B23K35/308—Fe as the principal constituent with Cr as next major constituent
- B23K35/3086—Fe as the principal constituent with Cr as next major constituent containing Ni or Mn
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
- B23K35/3602—Carbonates, basic oxides or hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/365—Selection of non-metallic compositions of coating materials either alone or conjoint with selection of soldering or welding materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/235—Preliminary treatment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Arc Welding In General (AREA)
- Coating By Spraying Or Casting (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The present invention relates to a kind of bead-welding technology of wear-resisting millstone sheet, the technique is the following steps are included: (1) millstone sheet is laid out: using 4 pieces of millstone sheet layouts, and passing through 4 wedge bolt positioning；(2) millstone sheet sectional dimension is determined；(3) millstone sheet welding preparation；(4) millstone sheet working lining built-up welding: control is described, and treated that millstone sheet temperature is not more than 100 DEG C, and using ceramic wear-resisting surfacing welding, treated that millstone sheet carries out multiple-bead deposit to described under normal temperature condition；(5) excision forming: using plasma cut, millstone sheet is cut into monolithic according to number, the burr that cleaning surface is splashed and cutting generates confirms size, completes product processing into machining sequence.Present invention process is simple, easy to implement, and by multiple-bead deposit, built-up welding thickness up to 32mm and can guarantee the long-term work not chip off-falling under abrasion, impact operating condition.
Description
Technical field
The present invention relates to hardfacing technical field more particularly to a kind of bead-welding technologies of wear-resisting millstone sheet.
Background technique
In coal-grinding pulverized coal preparation system, how to extend the service life of powder manufacturing apparatus vulnerable part, reduce maintenance cost, it has also become
Enterprise further increases the important channel of economic benefit.By taking coal mill system medium-speed pulverizer as an example, as its main vulnerable part
Millstone sheet, to improve its wearability and impact resistance, millstone sheet material is usually each trade mark cast steel, even if multiple using rich chromium cast iron
Millstone sheet is closed, service life is only also only 8000 ~ 10000 hours.Therefore, it is always to restrict coal-grinding system that the millstone sheet service life is lower
The key factor for performance of uniting.
With the application of hard-face overlaying welding technology, each coal-grinding Zhi Fen enterprise has used the built-up welding based on wear resistance electrode, welding wire
Re-manufacturing technology improves the wear-resisting property of millstone sheet to a certain extent, extends the service life of millstone sheet.But it is existing resistance to
Mill technique for overlaying mainly improves deposited metal layer hardness by the way that tungsten carbide particle is added or increases carbon content and other alloys,
Generally existing carbon equivalent is high, plasticity is low, impact resistance is low, is easy the problems such as peeling off (chip off-falling).Therefore, existing hardfacing mill
The generally existing deposited metal layer of disk watt is thin, and poor reliability, service life remains unchanged the problems such as lower.In addition, existing rich chromium cast iron
Build-up wear-resistant watt, since the utilization of the rich chromium cast iron metal layer of built-up welding is only limitted to effective cross-section on the casting of 100 ~ 140mm.It is logical
Practice operation to be crossed, is a kind of waste of high performance material for entire wear resistance castings, it not only increases production and operation cost,
It is also to rich chromium cast iron metal resource using improper.
It therefore, is usually the status of various trade mark potassium steel, cast steel in view of the millstone sheet material of coal-grinding powder manufacturing apparatus, in conjunction with
Suitable for welding, the potassium steel of the various trades mark of built-up welding, cast steel substrate, for overlay cladding thickness up to 32mm, surfacing layer metal hardness can
Up to a kind of ceramic wear-resisting surfacing welding of HRC75, the double-layer metal wearable millstone sheet of innovation is formed based on specific bead-welding technology,
Realize the preparation of high life 1.8 ~ 2.5 times of rich chromium cast iron millstone sheet (service life be) millstone sheet have important practical significance and
Wide application prospect.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of simple processes, the built-up welding of wear-resisting millstone sheet easy to implement
Technique.
To solve the above problems, a kind of bead-welding technology of wear-resisting millstone sheet of the present invention, comprising the following steps:
(1) millstone sheet is laid out: using 4 pieces of millstone sheet layouts, and passing through 4 wedge bolt positioning；
(2) millstone sheet sectional dimension: H=h+2%D+20mm is determined using following formula；Wherein: H is the mill that Bead weld repair determines
Disk watt height dimension, unit mm；H is the intrinsic height dimension of millstone sheet that is worn, unit mm；D is grinding roller diameter, unit
mm；
(3) millstone sheet welding preparation:
After 1. millstone sheet has worn away working face cleaning, using crackle existing for penetrant inspection method detection millstone sheet, millstone sheet
Crack depth is detected using ultrasonic examination after crackle polishing is smooth, if crack depth is more than the 1/4 of wall thickness, millstone sheet is carried out
Scrap processing；If crack depth is less than the 1/4 of wall thickness, crackle polish and carries out repair welding processing using J506 welding rod；
2. confirming the every block number of millstone sheet, assembling is fixed on positioner by number；
(4) millstone sheet working lining built-up welding: millstone sheet temperature that treated described in control is not more than 100 DEG C, adopts under normal temperature condition
With ceramic wear-resisting surfacing welding, treated that millstone sheet carries out multiple-bead deposit to described；
(5) excision forming:
Using plasma cut, millstone sheet is cut into monolithic according to number, cleaning surface is splashed and what cutting generated flies
Burr confirms size, completes product processing into machining sequence.
The step (4) in built-up welding wlding be ceramic wear-resisting surfacing welding, the public diameter of the welding rod be 3.2mm, 4.0mm,
5.0mm, including core wire and coating；The weight coefficient that the coating accounts for welding rod total weight is 0.40 ~ 0.48；Wherein
The core wire is on the basis of core wire total weight, by weight percentage, chemical component are as follows: and C 2 ~ 4%, Cr 9 ~
12%, Mn 1 ~ 2%, Nb 0.1 ~ 0.3%, Mo 0.3 ~ 1%, Ti 0.1 ~ 0.4%, V 0.1 ~ 1%, Si 0.2 ~ 1%, P≤0.03%, S
≤ 0.04%, surplus Fe；
The coating is on the basis of coating total weight, by weight percentage, chemical component are as follows: marble 18 ~ 22%,
Fluorite 15 ~ 20%, mica+bentonite 20 ~ 26%, rutile+titanium dioxide 12 ~ 15%, ferrotianium 5 ~ 8%, manganese iron 5 ~ 8%, ferrosilicon 5 ~ 8%,
Ferrochrome 3 ~ 6%, nickel 1 ~ 3%, rare earth oxide 1 ~ 3%.
(4) middle multiple-bead deposit condition refers to the step:
For A when the public diameter of welding rod is 3.2mm, corresponding welding current is 110 ~ 150 amperes；When the public diameter of welding rod is
When 4.0mm, corresponding welding current is 160 ~ 200 amperes；When the public diameter of welding rod is 5.0mm, corresponding welding current
It is 170 ~ 230 amperes；
B voltage range is 20 ~ 28V；
C mill tiling and welding gun are welded at 15 ° of climbings, and mill tiling and tip spacing are 10 ~ 15mm；
D welding bead takes 45% ~ 50%, wide 8 ~ 14 mm of welding bead；
E hardfacing alloy thickness degree is having a size of 1 ~ 32mm.
Compared with the prior art, the present invention has the following advantages:
1,12 pieces of millstone sheets layout that traditional millstone sheet designs is improved to 4 pieces of millstone sheet layouts by the present invention, increases list
The weight of block watt simultaneously makes watt to enhance with the compactness of abrasive disk seat, improves the stability of installation.
2, millstone sheet raceway radian increases in the present invention and the improvement of millstone sheet height dimension and raceway radian size is filled
Divide and considers requirement of the factors such as the grindability, distribution of particles, water content of material bed thickness and material to millstone sheet performance.
3, the ceramic wear-resisting surfacing welding in the present invention contains ceramics, titanium, chromium, manganese, molybdenum, vanadium, niobium etc. because of deposited metal, makes
Material surfacing layer metal microstructure it is very fine and smooth, wear phase be in uniform close-packed hexagonal structure, form it is quite stable and
Hard carbide, so that hardness height is presented in surfacing layer metal, (postwelding initial hardness reaches HRC68, reachable using rear hardness
HRC75), preferably (deposited metal contains the elements such as chromium, nickel, has overlay cladding certain resistance to for excellent wear-resisting property, corrosion resistance
Corrosivity) the characteristics of.
4, do not need to preheat when present invention welding, can AC and DC, welding arc is stable, splash less, de- slag is easy.By more
Layer heap weldering, built-up welding thickness up to 32mm and can guarantee the long-term work not chip off-falling under abrasion, impact operating condition.
5, present invention process is simple, easy to implement.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 is built-up welding millstone sheet sectional dimension figure of the present invention.
Specific embodiment
A kind of bead-welding technology of wear-resisting millstone sheet, comprising the following steps:
(1) millstone sheet is laid out: using 4 pieces of millstone sheet layouts, and passing through 4 wedge bolt positioning.
(2) the height dimension in millstone sheet section is determined using following formula: H=h+2%D+20mm(is referring to Fig. 1)；Wherein: H is heap
The millstone sheet height dimension that repair welding determines again, unit mm；H is the intrinsic height dimension of millstone sheet that is worn, unit mm；D is
Grinding roller diameter, unit mm；In addition, the raceway curvature determined when R is Bead weld repair in Fig. 1 according to worn-out millstone sheet actual size
Radius size, t are the millstone sheet hardfacing alloy layer thickness that Bead weld repair determines.
(3) millstone sheet welding preparation:
After 1. millstone sheet has worn away working face cleaning, using crackle existing for penetrant inspection method detection millstone sheet, millstone sheet
Crack depth is detected using ultrasonic examination after crackle polishing is smooth, if crack depth is more than the 1/4 of wall thickness, millstone sheet is carried out
Scrap processing；If crack depth is less than the 1/4 of wall thickness, crackle polish and carries out repair welding processing using J506 welding rod；
2. confirming the every block number of millstone sheet, assembling is fixed on positioner by number.
(4) millstone sheet working lining built-up welding: control treated millstone sheet temperature is not more than 100 DEG C, using pottery under normal temperature condition
To treated, millstone sheet carries out multiple-bead deposit to porcelain hardfacing electrode.
The built-up welding wlding is ceramic wear-resisting surfacing welding, and the public diameter of the welding rod is 3.2mm, 4.0mm, 5.0mm, including core wire
And coating；The weight coefficient that coating accounts for welding rod total weight is 0.40 ~ 0.48；Wherein
Core wire is on the basis of core wire total weight, by weight percentage, chemical component are as follows: C 2 ~ 4%, Cr 9 ~ 12%, Mn
1 ~ 2%, Nb 0.1 ~ 0.3%, Mo 0.3 ~ 1%, Ti 0.1 ~ 0.4%, V 0.1 ~ 1%, Si 0.2 ~ 1%, P≤0.03%, S≤
0.04%, surplus Fe；
Coating is on the basis of coating total weight, by weight percentage, chemical component are as follows: marble 18 ~ 22%, fluorite
15 ~ 20%, mica+bentonite 20 ~ 26%, rutile+titanium dioxide 12 ~ 15%, ferrotianium 5 ~ 8%, manganese iron 5 ~ 8%, ferrosilicon 5 ~ 8%, ferrochrome 3
~ 6%, nickel 1 ~ 3%, rare earth oxide 1 ~ 3%.
The preparation method of the ceramic wear-resisting surfacing welding uses traditional handicraft, it may be assumed that and core wire polishing derusts, is straightened → dry-mixed medicine
Powder → addition waterglass wet mixing → twisting welding rod on core wire using wet-milling → welding rod dried is in drying in oven → product inspection
It tests.
Multiple-bead deposit condition refers to:
For A when the public diameter of welding rod is 3.2mm, corresponding welding current is 110 ~ 150 amperes；When the public diameter of welding rod is
When 4.0mm, corresponding welding current is 160 ~ 200 amperes；When the public diameter of welding rod is 5.0mm, corresponding welding current
It is 170 ~ 230 amperes；
B voltage range is 20 ~ 28V；
C mill tiling and welding gun are welded at 15 ° of climbings, and mill tiling and tip spacing are 10 ~ 15mm；
D welding bead takes 45% ~ 50%, wide 8 ~ 14 mm of welding bead；
E hardfacing alloy thickness degree is having a size of 1 ~ 32mm.
(5) excision forming:
Using plasma cut, millstone sheet is cut into monolithic according to number, cleaning surface is splashed and what cutting generated flies
Burr confirms size, completes product processing into machining sequence.
It is that (material is wine steel hongda cement plant MPF1915 disc roll pulverizer millstone sheet that embodiment 1, which welds substrate,
ZG25), the multiple-bead deposit layer is 4 layers, and welding rod public affairs diameter described in the first floor is 4.0mm, and welding current is 124 amperes, weldingvoltage
24V；Remaining each described welding rod public affairs diameter of layer is 5.0mm, and welding current is 180 amperes, weldingvoltage 32V；Wide 10 ~ the 11mm of welding bead,
86 ~ 96 DEG C of weld interpass temperature, overlay cladding overall thickness is averaged 22mm.Postwelding hardness reaches HRC68, using checking hardness after one month
Up to HRC75, no chip off-falling.
It is that (material is wine steel hongda cement plant MPF1713 disc roll pulverizer millstone sheet that embodiment 2, which welds substrate,
ZG25), the multiple-bead deposit layer is 4 layers, and welding rod public affairs diameter described in the first floor is 3.2mm, and welding current is 115 amperes, weldingvoltage
22V；Remaining each described welding rod public affairs diameter of layer is 4.0mm, and welding current is 128 amperes, weldingvoltage 26V；Welding bead is wide by 9.5 ~
10.5mm, 83 ~ 95 DEG C of weld interpass temperature, overlay cladding overall thickness is averaged 20mm.Postwelding hardness reaches HRC67, after one month
Check that hardness reaches HRC74, no chip off-falling.
In above-described embodiment 1 ~ 2, welding rod is ceramic wear-resisting surfacing welding, including core wire and coating；Coating accounts for welding rod gross weight
The weight coefficient of amount is 0.45；Wherein
Core wire is on the basis of core wire total weight, by weight percentage, chemical component are as follows: C 2.46%, Cr 11.3%,
Mn 1.32%, Nb 0.132%, Mo 0.468%, Ti 234%, V 0.264%, Si 0.65%, P 0.021%, S 0.023%, surplus
For Fe；
Coating is on the basis of coating total weight, by weight percentage, chemical component are as follows: marble 20%, fluorite 17%,
Mica+bentonite 23%, rutile+titanium dioxide 13%, ferrotianium 7%, manganese iron 6%, ferrosilicon 6%, ferrochrome 4%, nickel 2%, rare earth oxide
2%。
It should be understood that embodiment discussed here and embodiment simply to illustrate that, can be with to person skilled in the art
It is proposed various modifications and variations, such modifications and variations are included within spirit herein spirit and scope and appended right
In claimed range.
Claims (1)
1. a kind of bead-welding technology of wear-resisting millstone sheet, comprising the following steps:
(1) millstone sheet is laid out: using 4 pieces of millstone sheet layouts, and passing through 4 wedge bolt positioning；
(2) millstone sheet sectional dimension: H=h+2%D+20mm is determined using following formula；Wherein: H is the millstone sheet that Bead weld repair determines
Height dimension, unit mm；H is the intrinsic height dimension of millstone sheet that is worn, unit mm；D is grinding roller diameter, unit mm；
(3) millstone sheet welding preparation:
After 1. millstone sheet has worn away working face cleaning, using crackle existing for penetrant inspection method detection millstone sheet, millstone sheet crackle
Crack depth is detected using ultrasonic examination after polishing is smooth, if crack depth is more than the 1/4 of wall thickness, millstone sheet is scrapped
Processing；If crack depth is less than the 1/4 of wall thickness, crackle polish and carries out repair welding processing using J506 welding rod；
2. confirmation treated the every block number of millstone sheet, assembling is fixed on positioner by number；
(4) millstone sheet working lining built-up welding: treated described in control, and millstone sheet temperature is not more than 100 DEG C, using pottery under normal temperature condition
Porcelain hardfacing electrode carries out multiple-bead deposit to treated the millstone sheet；
The public diameter of the ceramic wear-resisting surfacing welding is 3.2mm, 4.0mm or 5.0mm, including core wire and coating；The coating accounts for
The weight coefficient of welding rod total weight is 0.40 ~ 0.48；Wherein the core wire is on the basis of core wire total weight, by weight percentage
Meter, chemical component are as follows: C 2 ~ 4%, Cr 9 ~ 12%, Mn 1 ~ 2%, Nb 0.1 ~ 0.3%, Mo 0.3 ~ 1%, Ti 0.1 ~ 0.4%, V
0.1 ~ 1%, Si 0.2 ~ 1%, P≤0.03%, S≤0.04%, surplus Fe；The coating is on the basis of coating total weight, by weight
Measure percentages, chemical component are as follows: marble 18 ~ 22%, fluorite 15 ~ 20%, mica+bentonite 20 ~ 26%, rutile+titanium white
Powder 12 ~ 15%, ferrotianium 5 ~ 8%, manganese iron 5 ~ 8%, ferrosilicon 5 ~ 8%, ferrochrome 3 ~ 6%, nickel 1 ~ 3%, rare earth oxide 1 ~ 3%；
The condition of the multiple-bead deposit is: for A when the public diameter of welding rod is 3.2mm, corresponding welding current is 110 ~ 150 peaces
Training；When the public diameter of welding rod is 4.0mm, corresponding welding current is 160 ~ 200 amperes；When the public diameter of welding rod is 5.0mm,
Its corresponding welding current is 170 ~ 230 amperes；B voltage range is 20 ~ 28V；C mill tiling and welding gun are welded at 15 ° of climbings,
Mill tiling and tip spacing are 10 ~ 15mm；D welding bead takes 45% ~ 50%, wide 8 ~ 14 mm of welding bead；E hardfacing alloy layer thickness gauge
Very little is 1 ~ 32mm；
(5) excision forming:
Using plasma cut, millstone sheet is cut into monolithic, the overlap hair that cleaning surface is splashed and cutting generates according to number
Thorn confirms size, completes product processing into machining sequence.
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| CN110877170A (en) * | 2019-12-04 | 2020-03-13 | 河海大学常州校区 | Surfacing electrode, preparation method and dredging reamer abrasion repair surfacing method |
| CN111112964A (en) * | 2020-01-08 | 2020-05-08 | 长治市三耐铸业有限公司 | Arc powder concentrator blade surfacing method |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100364A (en) * | 1985-04-01 | 1986-09-24 | 湘潭大学 | A kind of alkaline low-hydrogen welding rod |
| CN1517173A (en) * | 2003-01-17 | 2004-08-04 | 攀枝花钢铁有限责任公司钢铁研究院 | Surfacing welding electrode and application |
| CN2706228Y (en) * | 2004-03-11 | 2005-06-29 | 贾世文 | Super wear resistance milling roller and mill millstone of vertical mill |
| CN200977461Y (en) * | 2006-12-06 | 2007-11-21 | 罗久亨 | Wheel mill |
| CN202942931U (en) * | 2012-11-06 | 2013-05-22 | 北京电力设备总厂 | Coal mill and grinding mechanism thereof |
| CN103567019A (en) * | 2013-11-12 | 2014-02-12 | 北京新源宝通电力设备有限公司 | Gradient grinding type HP (High Power) type coal mill |
| CN103801431A (en) * | 2014-02-19 | 2014-05-21 | 北京电力设备总厂 | Medium-speed vertical mill for milling petroleum coke |
| CN203725201U (en) * | 2014-02-19 | 2014-07-23 | 北京电力设备总厂 | Medium-speed vertical mill applied to petroleum coke grinding |
| CN103949307A (en) * | 2014-04-24 | 2014-07-30 | 厦门金邦达实业有限责任公司 | Mill bowl lining plate of bowl-type medium-speed coal mill |
| CN203816703U (en) * | 2014-04-24 | 2014-09-10 | 厦门金邦达实业有限责任公司 | Grinding bowl lining plate of bowl-type medium-speed coal mill |
| CN203955294U (en) * | 2014-05-14 | 2014-11-26 | 中材（天津）粉体技术装备有限公司 | The topology layout in a kind of novel vertical roller abrasive dust mill district |
| CN204448169U (en) * | 2014-12-16 | 2015-07-08 | 中国航空技术北京有限公司 | Roller-plate coal mill |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH074664B2 (en) * | 1988-12-06 | 1995-01-25 | 株式会社栗本鐵工所 | Vertical roll mill table recycling method and apparatus |
-
2016
- 2016-11-08 CN CN201610977718.5A patent/CN106475661B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100364A (en) * | 1985-04-01 | 1986-09-24 | 湘潭大学 | A kind of alkaline low-hydrogen welding rod |
| CN1517173A (en) * | 2003-01-17 | 2004-08-04 | 攀枝花钢铁有限责任公司钢铁研究院 | Surfacing welding electrode and application |
| CN2706228Y (en) * | 2004-03-11 | 2005-06-29 | 贾世文 | Super wear resistance milling roller and mill millstone of vertical mill |
| CN200977461Y (en) * | 2006-12-06 | 2007-11-21 | 罗久亨 | Wheel mill |
| CN202942931U (en) * | 2012-11-06 | 2013-05-22 | 北京电力设备总厂 | Coal mill and grinding mechanism thereof |
| CN103567019A (en) * | 2013-11-12 | 2014-02-12 | 北京新源宝通电力设备有限公司 | Gradient grinding type HP (High Power) type coal mill |
| CN103801431A (en) * | 2014-02-19 | 2014-05-21 | 北京电力设备总厂 | Medium-speed vertical mill for milling petroleum coke |
| CN203725201U (en) * | 2014-02-19 | 2014-07-23 | 北京电力设备总厂 | Medium-speed vertical mill applied to petroleum coke grinding |
| CN103949307A (en) * | 2014-04-24 | 2014-07-30 | 厦门金邦达实业有限责任公司 | Mill bowl lining plate of bowl-type medium-speed coal mill |
| CN203816703U (en) * | 2014-04-24 | 2014-09-10 | 厦门金邦达实业有限责任公司 | Grinding bowl lining plate of bowl-type medium-speed coal mill |
| CN203955294U (en) * | 2014-05-14 | 2014-11-26 | 中材（天津）粉体技术装备有限公司 | The topology layout in a kind of novel vertical roller abrasive dust mill district |
| CN204448169U (en) * | 2014-12-16 | 2015-07-08 | 中国航空技术北京有限公司 | Roller-plate coal mill |
Non-Patent Citations (1)
| Title |
|---|
| 立磨衬板堆焊修复技术;张新生等;《中国水泥》;20060930(第9期);第1-7节 |
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