CN109175883A - A kind of ball mill renovation technique - Google Patents
A kind of ball mill renovation technique Download PDFInfo
- Publication number
- CN109175883A CN109175883A CN201811365894.9A CN201811365894A CN109175883A CN 109175883 A CN109175883 A CN 109175883A CN 201811365894 A CN201811365894 A CN 201811365894A CN 109175883 A CN109175883 A CN 109175883A
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- Prior art keywords
- repaired
- ball mill
- renovation technique
- template
- steel wire
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000009418 renovation Methods 0.000 title claims abstract description 21
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229920002635 polyurethane Polymers 0.000 claims abstract description 19
- 239000004814 polyurethane Substances 0.000 claims abstract description 19
- 238000000227 grinding Methods 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000005299 abrasion Methods 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000004615 ingredient Substances 0.000 claims abstract description 9
- 239000012948 isocyanate Substances 0.000 claims abstract description 9
- 239000003292 glue Substances 0.000 claims abstract description 8
- 229920000909 polytetrahydrofuran Polymers 0.000 claims abstract description 7
- IBOFVQJTBBUKMU-UHFFFAOYSA-N 4,4'-methylene-bis-(2-chloroaniline) Chemical compound C1=C(Cl)C(N)=CC=C1CC1=CC=C(N)C(Cl)=C1 IBOFVQJTBBUKMU-UHFFFAOYSA-N 0.000 claims abstract description 6
- 241001112258 Moca Species 0.000 claims abstract description 6
- 238000005266 casting Methods 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 238000004132 cross linking Methods 0.000 claims abstract description 6
- 238000004513 sizing Methods 0.000 claims abstract description 6
- 238000004321 preservation Methods 0.000 claims abstract description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229920000768 polyamine Polymers 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 39
- 239000010959 steel Substances 0.000 claims description 39
- 238000007789 sealing Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 239000012495 reaction gas Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 230000004927 fusion Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 4
- 229910001208 Crucible steel Inorganic materials 0.000 abstract description 3
- 238000011049 filling Methods 0.000 abstract description 3
- 239000003973 paint Substances 0.000 description 5
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010422 painting Methods 0.000 description 3
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- 239000013527 degreasing agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B23P6/00—Restoring or reconditioning objects
Abstract
The invention discloses a kind of ball mill renovation techniques, it is characterized in that in grinding mill barrel and the fray of end cap, coating casting modified polyamine rouge, molecular weight is selected to compare ingredient for 1500 polytetrahydrofuran and T100 toluene di-isocyanate(TDI) with 100: 23 quality, with prepared polyurethane compositions, it puts in an oven, in 90 DEG C of heat preservation 12h, it is fused into high viscosity glue, the crosslinking and curing agent MOCA melt that sizing material amount weight ratio 15% is added is full and uniform, it pours into wait the position of the gap between template of having a shave, is kept the temperature in template external application infrared lamp.It can restore the size for being repaired part completely, meet the abrasion filling of any scrambling, one-pass molding is not necessarily to secondary operation, and wearability, which is higher than, is repaired part material ZG35 cast steel, thoroughly fray is blocked to continue to wear, and easy to operate, working hour is few, labor intensity is low.
Description
Technical field
The present invention relates to ball mill technology, especially a kind of autogenous tumbling mill, ball mill renovation technique.
Background technique
Ball mill, autogenous tumbling mill make to produce between lining board of grinder and mill body due to various reasons in long-play
Raw gap, ore pulp and small ball enter therebetween, wear end cap and cylinder, make that its is thinning, grinds dell, even worn out spillage.Mesh
Before, the method for reparation is that steel plate is welded at the dell of abrasion mostly, can not restore original size, liner plate and cylinder, liner plate
Still there are many gaps between end cap, can not prevent to be further worn out, effect is poor.In public technology, also have using dope layer come
Processing fray is repaired if patent publication No. is a kind of method of the CN102658225A reparation ball mill designed with wear-resistant paint
Multiple ball mill abrading section, first removes original liner plate in ball mill, clears up ball mill and dries；Heat wear-resistant paint；It will add
Wear-resistant paint after heat is coated on the abrading section of the ball mill after cleaning, makes the surface of the wear-resistant paint coated on drum surface
It is consistent with the arc surface of drum surface, makes surface and the end cover surface same plane of the wear-resistant paint coated on end cover surface；
After the completion of coating, spontaneously dry；Then new liner plate is installed by existing method.This method is primarily adapted for use in as VS series is wear-resisting multiple
Coating etc. is closed, these coating belong to epoxy carborundum series, and using epoxy resin as main adhesive, hybrid silicon carbide is filled out after solidification
Material, there are apparent defects for this coating, and coating brittleness is higher, lack flexibility, the damage resistance energy generated for impact
Power is weak, and on-line velocity is big compared with high and wear particle size, under environment with high hardness, and wear-resisting property does not reach requirement completely.
Summary of the invention
The purpose of the present invention is to solve the above problems, a kind of ball mill renovation technique are provided, in ball mill, autogenous tumbling mill
" coating+casting " modified polyurethane at operating portion end cap or barrel wear reaches to restore its original size and prevents grinding machine cylinder
The abrasion of body, end cap extends grinding machine service life.
Above-mentioned technical problem of the invention is mainly to be addressed by following technical proposals: a kind of ball mill reparation work
Skill, it is characterized in that coating casting modified polyamine rouge has following procedure in grinding mill barrel and the fray of end cap:
(1) preceding preparation is repaired:
A. template is made according to the certified products original size of grinding machine abrading section to be repaired.
B. ingredient, select molecular weight for 1500 ± 50 polytetrahydrofuran and T100 toluene di-isocyanate(TDI) with 100: 23
Quality compares ingredient.
C. it mixes, in 80~100 DEG C of sealing reaction kettles, by revolving speed stirring 2~3 hours of 90~110 turns/min, simultaneously
Sealing reaction gas reactor is extracted with vacuum pump, it is spare that polyurethane compositions are made.
(2) step is just repaired:
A. the liner plate for removing grinding machine abrading section to be repaired is cleared up the impurity on surface to be repaired, and is beaten place to be repaired is worn
Grinding and polishing light cleans surface to be repaired and drying with solvent.
B. in end cap, barrel wear place's paving weldering to be repairedSteel wire, single steel wire is wavy, and wavelength≤120 ±
5mm。
C. in external coating A to be repaired, B two-component polyurethane adhesive and drying or naturally dry.
D. using the non-wear surface of certified products original size as positioning datum, fixed form.
E. it with prepared polyurethane compositions, puts in an oven, in 90 ± 1 DEG C of heat preservation 12h, is fused into high viscosity glue；
The crosslinking and curing agent MOCA melt of sizing material amount weight ratio 15% is added, fusion temperature is 120 DEG C, and is turned with 3000 turns/min
2~2.5min of fast quickly stirring is full and uniform.
F. it pours into wait the position of the gap between template of having a shave, is kept the temperature in template external application infrared lamp.
D.24h form removal after is completed to repair.
In a kind of ball mill renovation technique above-mentioned, spread preferably, being greater than at 3mm in barrel wear place's abrasion loss to be repaired
Welding steel silk, steel wire intertexture reticulate.
In a kind of ball mill renovation technique above-mentioned, preferably, extracting sealing reaction gas reactor to special with vacuum pump
With being handled in collector.
In a kind of ball mill renovation technique above-mentioned, preferably, just repairing in step d, when the fixed form, lining is utilized
Plate screw hole, bolt are fixed, and insulated jacket is arranged.
In a kind of ball mill renovation technique above-mentioned, preferably, the paving welds steel wire weld electric current≤25A, weld seam is long
≤ 5mm, height≤2mm.
In a kind of ball mill renovation technique above-mentioned, preferably, the steel wire is wavy, wave height presses abrading section
2/3rds of altitude loss calculate.
In a kind of ball mill renovation technique above-mentioned, preferably, when wearing place's paving welding steel silk to be repaired, with every 10cm2
It is beaten as unit brillThe deep hole 1.0mm, the steel cord end are welded in deep 1.0 holes.
In a kind of ball mill renovation technique above-mentioned, preferably, high viscosity glue is poured into wait have a shave between template
Gap position, it is described to be kept the temperature in template external application infrared lamp, holding temperature be 45 DEG C.
The technical program utilizes the characteristics of polytetrahydrofuran, and when molecular weight increases, solubility can be reduced, and water imbibition takes
Certainly in the size of molecular weight, the block polyurethane rubber as made from the polytetrahydrofuran for being 1000 as average molecular weight can be used as
Transmission belt, film etc., block polyether polyester obtained is thermoplastic elastomer (TPE), and the poly- tetrahydro furan that average molecular weight is 2000
Mutter, can be used to polyurethane elastomeric fiber processed, by testing many times, this programme select molecular weight for 1500 ± 50 poly- tetrahydro furan
It mutters, ingredient is then carried out with 100: 23 mass ratio with T100 toluene di-isocyanate(TDI).Toluene di-isocyanate(TDI) has 2,4- toluene
Diisocyanate and 2, two kinds of isomers of 6- toluene di-isocyanate(TDI) (TDI), by the difference of two kinds of content of isomer, industrially
There are three types of the product of specification, this programme selects the third TDI-100 containing 2,4-TDI100%, i.e. T100 toluene di-isocyanate(TDI).
Before repairing in preparation, template is made according to the certified products original size of grinding machine abrading section to be repaired, to realize disposal molding
And exempt from the purpose of secondary operation.Ingredient in 80~100 DEG C of sealing reaction kettles, carries out 90~110 turns/min, obtains within 2~3 hours
It is mixed to being sufficiently stirred, in the process, extracts sealing reaction gas reactor with vacuum pump.
When just repairing, the liner plate of grinding machine abrading section to be repaired is routinely removed, the impurity on surface to be repaired is cleared up, it is to be repaired to wearing
Place carries out sanding and polishing, and cleans surface to be repaired with solvent and make it dry, and guarantees that painting pours position and is in best material feeding state.Structure
Aspect welds the straight one steel wire for being less than or equal to 3mm wearing place's paving to be repaired, generally steel wire intertexture is reticulated, makes entire repairing portion
Position forms an entirety, and single steel wire is wavy, and wave height presses 2/3rds survey calculations of abrading section altitude loss, mill
Damage face is less than steel wire diameter position and is not laid with steel wire, reasonably selects paving weldering steel wire weld electric current, weld seam length and welding and assembling height, complete
Complete fixed steel-wire carcass, to apply basis solid under the mix paving for pouring polytetrahydrofuran and T100 toluene di-isocyanate(TDI).
Painting pour before external coating A to be repaired, B two-component polyurethane adhesive and dry or naturally dry, further mention
The bond strength of high modified polyurethane and surface to be repaired, and using the non-wear surface of certified products original size as positioning datum, fixed form,
Cast gate is stayed.Concurrently, it with prepared polyurethane compositions, puts in an oven, is kept the temperature under set temperature and time requirement,
So that it is fused into high viscosity glue, there is good mobility, so that painting is poured fluid and irregular wear patch area is sufficiently filled
It fills out；Then the crosslinking and curing agent MOCA melt that sizing material amount weight ratio 15% is added carries out high speed quickly stirring.Then pour into
The gap position having a shave between template, and kept the temperature in template external application infrared lamp, so that internal melt is sufficient filling with each repair
Cover.Form removal after 24 hours is completed to repair.
Further, it is extracted in sealing reaction gas reactor to special collector and is handled with vacuum pump, to guarantee that entire apply is poured
The safety of process；In fixed form, it is fixed using the existing liner plate screw hole of product, bolt, and insulated jacket is set,
Guarantee that deburring is done in one-pass molding less；In order to further make steel-wire carcass and repairing main body combine together to guarantee the size in the area Tu Jiao
Stablize, when place to be repaired spreads welding steel silk, with every 10cm2The pore for beating positioning wire end is bored as unit, and steel cord end is buried
It is welded in hole.
Compared with prior art, the beneficial effects of the present invention are: the ruler for being repaired part can be restored completely by applying pouring technique
It is very little, not only meet any scrambling abrasion filling, while restoring to produce after ensuring to repair by the template of standardized product dimensioned
Product original size, one-pass molding are not necessarily to secondary operation；And patching material wearability be much higher than be repaired part material ZG35 casting
Steel；The problem of existing recovery technique cannot restore original size is overcome, thoroughly fray is blocked to continue to wear；Easy to operate,
Working hour is few, and labor intensity is low.
Detailed description of the invention
Fig. 1 is a kind of 2736 end cover of ball mill repairing structural schematic diagram of the invention.
Fig. 2 is a kind of 5.5*1.65 autogenous tumbling mill end cap repairing structural schematic diagram of the invention.
In figure: 1. charging end caps, 2. end lining boards, 3. abrasion repair layers.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
A kind of ball mill renovation technique of the present embodiment, mainly in the fray of grinding mill barrel and end cap, coating casting changes
Property polyurethane be means, obtain the purpose of high-intensitive high-precision original size.
With following procedure:
(1) preceding preparation is repaired:
Template is made according to the certified products original size of grinding machine abrading section to be repaired.
Ingredient: select molecular weight for 1500 polytetrahydrofuran and T100 toluene di-isocyanate(TDI) with 100: 23 mass ratio
Ingredient.
Mixing: it in 100 DEG C of sealing reaction kettles, is stirred 2.5 hours by the revolving speed of 100 turns/min, polyurethane compositions is made
It is spare, it is extracted in sealing reaction gas reactor to special collector and is handled with vacuum pump simultaneously in mixed process.
(2) step is just repaired, embodiment one:
A. the liner plate for removing grinding machine abrading section to be repaired is cleared up the impurity on surface to be repaired, and is beaten place to be repaired is worn
Grinding and polishing light cleans surface to be repaired and drying with decontamination degreaser.
B. it is greater than at 3mm in end cap, barrel wear place's abrasion loss to be repaired and spreads welding steel silk, paving welderingSteel wire, parallel cloth
It sets, single steel wire is wavy, wavelength=120mm, and by spot welding mode to fixation with steel wire, paving weldering steel wire weld electric current selects 25A,
Weld seam long 5mm, high 2mm.Note: steel wire is wavy in practical operation, wave height by abrading section altitude loss three/
Two calculate.
C. it in external coating A to be repaired, B two-component polyurethane adhesive and dries.
D. using the non-wear surface of certified products original size as positioning datum, fixed form, when fixed form, using liner plate screw hole,
Bolt is fixed, and insulated jacket is arranged.
E. it with prepared polyurethane compositions, puts in an oven, in 90 DEG C of heat preservation 12h, is fused into high viscosity glue；It is added
The crosslinking and curing agent MOCA melt of sizing material amount weight ratio 15%, fusion temperature are 120 DEG C, and fast with the revolving speed of 3000 turns/min
Speed stirring keeps its full and uniform in 2 minutes.The step is corresponding with step c in practical operation to be used.
F. it pours into wait the position of the gap between template of having a shave, is kept the temperature in template external application infrared lamp, holding temperature 45
℃。
D.24h form removal after is completed to repair.
Step is just repaired, embodiment two:
A. the liner plate for removing grinding machine abrading section to be repaired is cleared up the impurity on surface to be repaired, and is beaten place to be repaired is worn
Grinding and polishing light cleans surface to be repaired and drying with decontamination degreaser.
B. it is greater than at 3mm in end cap, barrel wear place's abrasion loss to be repaired and spreads welding steel silk, paving welderingSteel wire, multiply
Steel wire intertexture reticulates, and mesh 20 × 20 (mm), single steel wire is wavy, and wavelength=120mm makes mesh sheet along repairing area face
Product spreads out waviness, and further with every 10cm2It is beaten as unit brillThe deep hole 1.0mm, part steel cord end
(can be spaced selection) is inserted into and is welded in deep 1.0 holes.Meanwhile on waveform mesh sheet developed surface and repairing face paste close position into
Row spot welding, does steel fabric sheet by spot welding and fixes again, and paving weldering steel wire weld electric current selects 25A, the long 3mm of weld seam, high
1.5mm。
C. in external coating A to be repaired, B two-component polyurethane adhesive and naturally dry.
D. using the non-wear surface of certified products original size as positioning datum, fixed form, when fixed form, using liner plate screw hole,
Bolt is fixed, and insulated jacket is arranged.
E. it with prepared polyurethane compositions, puts in an oven, keeps the temperature 12 hours at 90 DEG C, be fused into high viscosity glue,
With good mobility；The crosslinking and curing agent MOCA melt of sizing material amount weight ratio 15% is added, fusion temperature is 120 DEG C,
And quickly being stirred 2.5 minutes with the revolving speed of 3000 turns/min keeps its full and uniform.Exist when preceding step c practical operation with the step
It is corresponding on time.
F. it pours into wait the position of the gap between template of having a shave, is kept the temperature in template external application infrared lamp, holding temperature 45
℃。
D.24h form removal after is completed to repair.
Fig. 1 is a kind of 2736 end cover of ball mill repairing state diagram, and Fig. 2 is the repairing state diagram of 5.5 × 1.65 autogenous tumbling mill end caps,
It is to be repaired to 1 abrading section of charging end cap, 1 parent of charging end cap, abrasion repair layer 3 and end lining board 2 after reparation
Between positional relationship.The present embodiment patching material wearability, which is higher than, is repaired part material ZG35 cast steel, generally the 1 of ZG35 cast steel
~1.5 times.
Above-described embodiment is the description of the invention, is not limitation of the invention, if hot weather is in complex surface to be repaired
When brushing A, B two-component polyurethane adhesive can naturally dry etc., method, structure after any pair of simple transformation of the invention
Etc. all belonging to the scope of protection of the present invention.
Claims (8)
1. a kind of ball mill renovation technique, it is characterized in that in grinding mill barrel and the fray of end cap, coating casting modified polyamine rouge,
With following procedure:
(1) preceding preparation is repaired:
A. template is made according to the certified products original size of grinding machine abrading section to be repaired；
B. ingredient, select molecular weight for 1500 ± 50 polytetrahydrofuran and T100 toluene di-isocyanate(TDI) with 100: 23 quality
Compare ingredient；
C. it mixes, in 80~100 DEG C of sealing reaction kettles, is stirred 2~3 hours by the revolving speed of 90~110 turns/min, while with very
It is spare that polyurethane compositions are made except sealing reaction gas reactor in empty pumping；
(2) step is just repaired:
A. the liner plate for removing grinding machine abrading section to be repaired clears up the impurity on surface to be repaired, and carries out polishing throwing to place to be repaired is worn
Light cleans surface to be repaired and drying with solvent；
B. in end cap, barrel wear place's paving weldering to be repairedSteel wire, single steel wire is wavy, wavelength≤120 ± 5mm；
C. in external coating A to be repaired, B two-component polyurethane adhesive and drying or naturally dry；
D. using the non-wear surface of certified products original size as positioning datum, fixed form；
E. it with prepared polyurethane compositions, puts in an oven, in 90 ± 1 DEG C of heat preservation 12h, is fused into high viscosity glue；It is added
The crosslinking and curing agent MOCA melt of sizing material amount weight ratio 15%, fusion temperature are 120 DEG C, and fast with the revolving speed of 3000 turns/min
2~2.5min of speed stirring is full and uniform；
F. it pours into wait the position of the gap between template of having a shave, is kept the temperature in template external application infrared lamp；
D.24h form removal after is completed to repair.
2. a kind of ball mill renovation technique according to claim 1, which is characterized in that in barrel wear place's abrasion loss to be repaired
Greater than welding steel silk is spread at 3mm, steel wire intertexture is reticulated.
3. a kind of ball mill renovation technique according to claim 1, characterized in that extracted in sealing reaction kettle with vacuum pump
It is handled in gas to special collector.
4. a kind of ball mill renovation technique according to claim 1, characterized in that just repairing in step d, the fixed form
When, it is fixed using liner plate screw hole, bolt, and insulated jacket is set.
5. a kind of ball mill renovation technique according to claim 1, characterized in that the paving weldering steel wire weld electric current≤
25A, weld seam length≤5mm, height≤2mm.
6. a kind of ball mill renovation technique described according to claim 1 or 2 or 5, characterized in that the steel wire is wavy,
Its wave height is calculated by 2/3rds of abrading section altitude loss.
7. a kind of ball mill renovation technique described according to claim 1 or 2 or 5, characterized in that spread welding steel wearing place to be repaired
When silk, with every 10cm2It is beaten as unit brillThe deep hole 1.0mm, the steel cord end are welded on
In deep 1.0 holes.
8. a kind of ball mill renovation technique according to claim 1, characterized in that high viscosity glue is poured into wait having a shave and
Gap position between template, described to be kept the temperature in template external application infrared lamp, holding temperature is 45 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811365894.9A CN109175883B (en) | 2018-11-16 | 2018-11-16 | Repairing process of ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811365894.9A CN109175883B (en) | 2018-11-16 | 2018-11-16 | Repairing process of ball mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109175883A true CN109175883A (en) | 2019-01-11 |
| CN109175883B CN109175883B (en) | 2023-10-31 |
Family
ID=64940216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811365894.9A Active CN109175883B (en) | 2018-11-16 | 2018-11-16 | Repairing process of ball mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109175883B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814635A (en) * | 2019-11-20 | 2020-02-21 | 山东东华水泥有限公司 | Method for repairing wear of sliding shoe of ball mill |
| CN115365761A (en) * | 2022-08-18 | 2022-11-22 | 深圳市中金岭南有色金属股份有限公司丹霞冶炼厂 | Repairing method and structure for anticorrosive layer of lead-lined reaction kettle |
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| CN207839124U (en) * | 2017-11-25 | 2018-09-11 | 彝良驰宏矿业有限公司 | A kind of multi-layer braided filling reparation structure of end cover of ball mill |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110814635A (en) * | 2019-11-20 | 2020-02-21 | 山东东华水泥有限公司 | Method for repairing wear of sliding shoe of ball mill |
| CN115365761A (en) * | 2022-08-18 | 2022-11-22 | 深圳市中金岭南有色金属股份有限公司丹霞冶炼厂 | Repairing method and structure for anticorrosive layer of lead-lined reaction kettle |
| CN115365761B (en) * | 2022-08-18 | 2024-01-30 | 深圳市中金岭南有色金属股份有限公司丹霞冶炼厂 | Repairing method and structure for anticorrosive coating of lead-lined reaction kettle |
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