CN105772187A - Less-overhauling, efficient, energy-saving and low-noise grinding machine for grinding superfine materials - Google Patents
Less-overhauling, efficient, energy-saving and low-noise grinding machine for grinding superfine materials Download PDFInfo
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- CN105772187A CN105772187A CN201610250176.1A CN201610250176A CN105772187A CN 105772187 A CN105772187 A CN 105772187A CN 201610250176 A CN201610250176 A CN 201610250176A CN 105772187 A CN105772187 A CN 105772187A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/04—Safety devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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Abstract
The invention discloses a less-overhauling, efficient, energy-saving and low-noise grinding machine for grinding superfine materials. The grinding machine is characterized in that the whole grinding machine is not provided with bolt holes for fastening lining plates, and the intensity of a barrel of the grinding machine is high; the lining plates of the grinding machine are an integral lining plate, the intensity of the barrel of the grinding machine is further strengthened, and the number of overhauling times of the grinding machine can be effectively decreased; the thickness of all lining plates is only one third of the thickness of common lining plates, the dead load of the grinding machine is reduced by 39.5%, the volume is increased by 8%, and the grinding machine manufacturing steel is saved by 39.5%; through reasonable design of the internal structures of the lining plates of the grinding machine, invalid abrasion between the lining plates and a ground body is reduced, and the service life of the lining plates is prolonged; and on the premise that the number of ground bodies is increased, the working weight of the grinding machine is reduced by 15%, the energy is saved by 28.5%, and the grinding efficiency of the grinding machine is effectively improved. The less-overhauling, efficient, energy-saving and low-noise grinding machine is suitable for grinding fine materials and grinding materials in the solvent state, is suitable for the graphite and coating material fine grinding industry and the lime and cement industry, and can play a good role in machining braize and coal ash.
Description
Technical field:
The present invention relates to grinding grinding machine, refer more particularly to energy-saving grinding mill.
Background technology:
The grinding machine that existing technology uses, bistrique, cylinder all process the bolt hole of liner plate;Simplified upper boring, weakens the intensity of cylinder, and in order to ensure the intensity of cylinder necessity it is necessary to increase the thickness of barrel wall accordingly, what add steel makes consumption;The retrofit in hole makes cost of labor be greatly improved, process time extends;The use procedure of grinding machine often occurs bolt fracture cause parking accident and bolt hole leakage ash, drainage, it is necessary to stop of several hour even a day, overhaul in time.Based on above-mentioned situation, it is necessary to research and develop a kind of need not often overhaul can life-time service, extend liner plate service life, noise is low, energy-saving grinding mill that fine material can be ground.
Summary of the invention:
A kind of maintenance less, the low noise grinding machine of grinding superfine material efficient, energy-conservation.
The purpose of invention: researching and developing a kind of need not often maintenance can the grinding machine of life-time service so that it is overcomes and often occurs bolt fracture to cause parking accident and bolt hole leakage ash, drainage in the use procedure of grinding machine, and needs maintenance in time;The grinding machine that research and development can extend liner plate service life, noise is low;Research and develop under the premise not increasing steel and making consumption, increase the intensity of cylinder;Reduce cost of labor, improve produce grinding machine time working (machining) efficiency and grinding machine produce time grinding work efficiency;The grinding machine making research and development has efficient, energy-conservation feature when grinding superfine material.
Technical scheme: a kind of maintenance less, the low noise grinding machine of grinding superfine material efficient, energy-conservation.Described a kind of maintenance less, the low noise grinding machine of grinding superfine material efficient, energy-conservation be by grinding machine seat, self-aligning rolling bearing (or self-aligning sliding bearing), bistrique with hollow axle, grinding mill barrel, enter people's access hole door, lining board of grinder, grinding machine graphite baffle, grinding machine hollow axle interior lining panel, grinding machine material abrasive body forms.
The described bistrique with hollow axle is only processed grinding mill barrel and is connected bolt hole and the dowel hole of fastening, and other are identical with the bistrique of normal tape hollow axle.
Described grinding mill barrel only processes the bolt hole and dowel hole that are connected fastening with bistrique, does not process the lining board of grinder fastening bolt holes on grinding mill barrel, decreases labor content, shorten process time;The wall thickness of grinding mill barrel is identical with the grinding mill barrel of same model, thereby increases the intensity of grinding mill barrel.
Described grinding mill barrel has certain tapering, and grinding mill barrel does not have tapering to have no effect on effect of grinding machine, the replacing of merely inconvenient next monoblock type liner plate;The left and right radius respectively R of cylinder1、R2, barrel lenght is L;Its tapering is 2 (R1-R2)/L=0 1/10;Cylinder has into people's access hole, enter and outside people's access hole, be welded with reinforcement version;Strengthen that version has the bolt hole being fastened into people's access hole door entering people's access hole.
Described lining board of grinder is divided into bistrique liner plate 1, bistrique liner plate 2, grinding mill barrel liner plate 3;The material of liner plate is wear-resisting steel plate;The thickness of liner plate is the 80%-95% of grinding mill barrel thickness, is the 1/3 of common liner plate thickness;
The shape of described grinding machine grinding head liner plate 1, is that bistrique 1 is identical with connection side, grinding mill barrel big footpath;Bistrique liner plate 1 external diameter is the internal diameter of grinding mill barrel liner plate bigger diameter end, and has the keyway mated with grinding mill barrel liner plate inner bulge platform rib, and keyway is tight fit;Bistrique liner plate 1 internal diameter is the internal diameter of bistrique 1 hollow axle.
The shape of described grinding machine grinding head liner plate 2, is that bistrique 2 is identical with grinding mill barrel path connection side;Bistrique liner plate 2 external diameter is the internal diameter of grinding mill barrel liner plate miner diameter end, and has the keyway mated with grinding mill barrel liner plate inner bulge platform rib, and keyway is tight fit;Bistrique liner plate 2 internal diameter is the internal diameter of bistrique 2 hollow axle.
Described grinding mill barrel liner plate 3 is monoblock type liner plate;The length of grinding mill barrel liner plate is Lm-(5/4) Lmm;The outside that shape is monoblock type liner plate has the height parallel with grinding mill barrel to be 3mm-5mm, and the wide on-slip projection locking key for 5mm-10mm, miner diameter end has the chamfering of 2mm × 2mm;The distance of on-slip projection locking key is the outer radius of grinding mill barrel liner plate, and bar number is 6;The bar number of big footpath grinding machine on-slip projection locking key is the multiple of 6, and the distance between on-slip projection locking key is equidistant;The inner side of shell liner be welded with equidistant with contour in shell liner circle cross section, highly for the 1/3 to 1/2 of abrasive body diameter, width be the protruding platform rib of 20mm-30mm;The spacing of protruding platform rib is 4-8 times of abrasive body diameter, and is uniformly distributed;The both sides of protruding platform rib are laminating full weld with shell liner, and eliminate weld stress, and there is the chamfering of 2mm × 2mm at two ends;The appropriate design of lining board of grinder internal structure, decreases the invalid abrasion of liner plate and abrasive body, adds the service life of liner plate.
Described grinding machine graphite baffle is expanded graphite plate, and thickness is 1mm-4mm;The concrete thickness of grinding machine graphite baffle is determined as the case may be, and the use of grinding machine graphite baffle effectively reduces noise when grinding machine produces.
Described grinding machine hollow axle interior lining panel is divided into feeding end hollow axle interior lining panel and discharge end hollow axle interior lining panel;The thickness of hollow axle interior lining panel is 5mm;External diameter is grinding machine hollow axle internal diameter-1mm, is loose fit with grinding machine hollow axle internal diameter;It is welded with screw-in pan feeding spiral in feeding end grinding machine hollow axle interior lining panel, is highly 10mm-15mm;The length of feeding end grinding machine hollow axle interior lining panel is+2 times of liner plate thickness of grinding machine hollow axle length;Inner side in discharge end grinding machine hollow axle interior lining panel is welded with screw-in pan feeding spiral 100mm, highly connects rotary-out type discharging spiral for 20mm-25mm, is highly 10mm-15mm;The length of discharge end grinding machine hollow axle interior lining panel is grinding machine hollow axle length+150mm;Inner side in the discharge end grinding machine hollow axle interior lining panel of negative pressure dry powder grinding machine is only welded with screw-in pan feeding spiral 100mm, is highly 20mm-25mm, is not added with welding material spiral.
Described enter people's access hole door for being installed by introversive external compression, compression limit is 80mm;Entering people's access hole door is double-decker, and there is handle in outside;Enter people's access hole door flanging has and enter 6 fastening bolt holes that people's access hole mates with grinding mill barrel;From the fastening bolt holes entered people's access hole door major diameter centrage flanging, pass fastening bolt from inside to outside, so as to enter people's access hole door major diameter central axis, and cap at the bottom of inboard is by bolt is welded in people's access hole door flanging;All the other 4 fastening bolts are welded in people's access hole door flanging equally, but the axis of fastening bolt is parallel to each other;Enter people's access hole door adnexa also have two be perpendicular to grinding mill barrel install enter people's access hole door press strip, there is location fastening bolt holes at press strip two ends, and the radian inside press strip is identical with grinding mill barrel radian, are flat outside press strip.
A kind of maintenance is less, the low noise grinding machine of grinding superfine material efficient, energy-conservation assembles: 1. stick graphite baffle between the outside of grinding mill barrel liner plate, on-slip projection locking key;In on-slip projection locking key and coat lubricating graphite inside grinding mill barrel;2. the miner diameter end of grinding mill barrel monoblock type liner plate is inserted from the bigger diameter end of grinding mill barrel, compressing with hydraulic test after being seated makes shell liner enter grinding mill barrel, make grinding mill barrel liner plate completely into grinding mill barrel, and leave the distance of Lmm with body end surface, and vertical with cylinder axial line and concentric, grinding mill barrel liner plate path end face and grinding mill barrel end face distance are (L/4) mm;Then grinding machine grinding head liner plate is installed, makes bistrique liner plate concordant with the outer face of grinding mill barrel liner plate, the weld seam between full weld bistrique liner plate and grinding mill barrel liner plate, and polish;Obtain the complex of grinding machine monoblock type liner plate and grinding mill barrel;3. on grinding mill barrel interior lining panel, by grinding mill barrel enters people's access hole, cut off the liner plate on cylinder with burning torch, grinding mill barrel is entered people's access hole and enters people's access hole with grinding mill barrel liner plate and weld together;4. inside grinding machine grinding head, expanded graphite baffle is sticked, in the graphite pads thick in conjunction with sticking 1mm on fastening face of grinding machine grinding head and grinding mill barrel;5. two grinding machine grinding heads are connected with grinding mill barrel respectively, and make grinding machine grinding head hollow axle axis overlap with grinding mill barrel axial line, stamp locating pin, first-class grinding mill barrel and the fastening bolt of grinding machine grinding head, fasten bolt and fasten and tighten standby cap by regulation moment;The inner side of the junction of welding bistrique liner plate and shell liner;6. it is inserted into hollow axle interior lining panel at bistrique hollow axle, makes hollow axle interior lining panel insert the endoporus of grinding machine grinding head liner plate full weld;7. good and sound bearing on grinding machine hollow axle, and be arranged on grinding machine seat, add lubricating oil;Adding grinding machine abrasive body, the filling rate of abrasive body is 31.2% 33%;8. install into people's access hole door, and fasten, complete grinding machine assembling.
A kind of maintenance less, the low noise grinding machine advantage of grinding superfine material efficient, energy-conservation as follows: 1. the cylinder of grinding machine fastens the bolt hole of liner plate in a large number, makes the intensity of grinding mill barrel be greatly improved, and shortens process time;2. the liner plate of grinding machine is monoblock type liner plate, and its liner plate indoor design significantly reduces the invalid abrasion of abrasive body and liner plate, improves the service life of liner plate, and further enhances the intensity of grinding mill barrel;3. whole liner plate thickness only has the 1/3 of former common liner plate thickness, grinding machine weight reduction 39.5%;Volume adds 7%-9.8%;Save grinding machine and manufacture steel 39.5%;4. the filling rate of grinding machine abrasive body can increase to 31.4%-33% from 26.0% easily;The increase of abrasive body and the appropriate design of liner plate internal structure, decrease the invalid abrasion of liner plate and abrasive body, add the service life of liner plate;Effectively raise the grinding efficiency of grinding machine;5. grinding machine is under the premise that abrasive body increases, and grinding machine service weight have dropped 15%, under grinding machine normal operating conditions energy-conservation 28.5%;6. such as: the grinding machine of common φ 1.2 × 4.5 meters, effective internal diameter 1.12 meters, the useful load of abrasive body is 5 tons, abrasive body filling rate 26%, and grinding machine revolution is 30.5 revs/min, and by vigorous Lay Encke formula, the Cable Power Computation of grinding machine is 42.84 kilowatts;The grinding machine that this case φ is 1.0 × 4.5 meters, average effective internal diameter 0.95 meter, the useful load of abrasive body is 4.8 tons, abrasive body filling rate 32.4%, and grinding machine revolution is 38 revs/min, and by vigorous Lay Encke formula, the Cable Power Computation of grinding machine is 31.74 kilowatts;Production capacity identical energy-conservation 28.3%, data are essentially identical with calculating;7. this case grinding machine production noise ratio same model normal mill is low.
A kind of maintenance less, the applicable industry of the low noise grinding machine of grinding superfine material efficient, energy-conservation: because grinding mill barrel, grinding machine grinding head, lining board of grinder adopt monolithic construction, can effectively prevent grinding machine from use often occurring bolt fracture to cause parking accident and bolt hole leakage ash, drainage.Be particularly suitable for the grinding of fine material and material under solvent state grind, be suitable for industry: graphite, coating material fine gtinding;Calx, cement industry;Coal dust, flyash processing also can play good effect.
Accompanying drawing illustrates:
Fig. 1 does not have the bistrique liner plate fastening bolt holes grinding machine left axial view of right bistrique;Grinding machine grinding head 4, bistrique fastening bolt holes 8, bistrique dowel hole 9;
Fig. 2 is the front view of the right bistrique not having bistrique liner plate fastening bolt holes;Grinding machine grinding head 4, bistrique hollow axle 10;
Fig. 3 is grinding machine grinding head liner plate 1;
Fig. 4 is the grinding mill barrel front view not having liner plate fastening bolt holes;Grinding mill barrel 5, enters people's access hole and strengthens plate and enter people's access hole 11;
Fig. 5 is the grinding mill barrel monoblock type liner plate left view not having liner plate fastening bolt holes;Grinding mill barrel monoblock type liner plate 3, the outside on-slip projection locking key 6 of grinding mill barrel monoblock type liner plate, grinding mill barrel integral type lining intralaminar part projection platform rib 7;
Fig. 6 is the grinding mill barrel monoblock type liner plate front view not having liner plate fastening bolt holes;Grinding mill barrel monoblock type liner plate 3, the outside on-slip projection locking key 6 of grinding mill barrel monoblock type liner plate.
Specific embodiment:
1.0 × 3 meters of grinding machines of common φ are transformed, makes novel " φ 1.0 × 3 meters overhaul less, the low noise grinding machine of grinding superfine material efficient, energy-conservation ", the grinding machine grinding head former bistrique of grinding machine of common φ 1.0 × 3 meters;
The grinding mill barrel former grinding mill barrel of grinding machine of common φ 1.0 × 3 meters, grinding mill barrel does not have tapering to have no effect on effect of grinding machine, the replacing of merely inconvenient next monoblock type liner plate.
Processing grinding machine grinding head liner plate 1, bistrique liner plate 2, grinding mill barrel liner plate 3;The material of liner plate is wear-resisting steel plate;The thickness of liner plate is grinding mill barrel thickness 90%, is 9mm;It is the 1/3 of common liner plate thickness;Lining board of grinder loss of weight 1.57 tons.
The shape of grinding machine grinding head liner plate 1, is that bistrique 1 is identical with grinding mill barrel connection side;Bistrique liner plate 1 external diameter is the internal diameter of grinding mill barrel liner plate, and has the keyway mated with grinding mill barrel liner plate inner bulge platform rib, and keyway is tight fit;Bistrique liner plate 1 internal diameter is the internal diameter of bistrique 1 hollow axle.
The shape of grinding machine grinding head liner plate 2, is that bistrique 2 is identical with grinding mill barrel connection side;Bistrique liner plate 2 external diameter is the internal diameter of grinding mill barrel liner plate opposite side diameter end, and has the keyway mated with grinding mill barrel liner plate inner bulge platform rib, and keyway is tight fit;Bistrique liner plate 2 internal diameter is the internal diameter of bistrique 2 hollow axle.
Grinding mill barrel liner plate 3 is monoblock type liner plate;The length of shell liner is 2.994m shape is that the outside of monoblock type liner plate has the height parallel with grinding mill barrel to be 3mm, and the wide on-slip projection locking key for 6mm, there is the chamfering of 2mm × 2mm at two ends;The distance of on-slip projection locking key is the outer radius of grinding mill barrel liner plate, and bar number is 6;Distance between on-slip projection locking key is equidistant;The inner side of shell liner be welded with equidistant with contour in shell liner circle cross section, highly for 18, protruding platform rib that 15mm, width are 20mm;The spacing of protruding platform rib is uniformly distributed;The both sides of protruding platform rib are laminating full weld with shell liner, and eliminate weld stress, and there is the chamfering of 2mm × 2mm at two ends.
φ 1.0 × 3 meters overhauls less, the assembling of the low noise grinding machine of grinding superfine material efficient, energy-conservation: 1. grinding mill barrel is heated to 150 DEG C-200 DEG C;1mm thickness expanded graphite baffle is sticked between on-slip projection locking key outside grinding mill barrel monoblock type liner plate;On-slip projection locking key is graphited lubricant;2. the bigger diameter end overall diameter of monoblock type liner plate is 978mm, and the miner diameter end overall diameter of monoblock type liner plate is 977mm.The miner diameter end of room temperature monoblock type liner plate is inserted from one end of grinding mill barrel (on-slip projection locking key justifies grinding mill barrel internal diameter 4mm at the radial distance of cylinder lining plate more than same), quickly being seated and compressing with hydraulic test makes shell liner completely into grinding mill barrel, shell liner end face and grinding mill barrel end face is made to stay 3mm space, and vertical with cylinder axial line and concentric;3. installing grinding machine grinding head liner plate after cooling, grinding machine grinding head liner plate enters grinding mill barrel liner plate and concordant with shell liner end face, the weld seam between full weld bistrique liner plate and grinding mill barrel liner plate, and polishes;Obtain the complex of grinding machine monoblock type liner plate and grinding mill barrel.4. on grinding mill barrel interior lining panel, by grinding mill barrel enters people's access hole, cut off the liner plate on cylinder with burning torch, grinding mill barrel is entered people's access hole and enters people's access hole with grinding mill barrel liner plate and weld together;5. inside grinding machine grinding head, expanded graphite baffle is sticked, in the graphite pads thick in conjunction with sticking 1mm on fastening face of grinding machine grinding head and grinding mill barrel;6. two grinding machine grinding heads are connected with grinding mill barrel respectively, and make grinding machine grinding head hollow axle axis overlap with grinding mill barrel axial line, stamp the fastening bolt of locating pin, first-class grinding mill barrel and grinding machine grinding head;Fastening bolt fastens and tightens standby cap by regulation moment;7. the inner side of the junction of welding bistrique liner plate and shell liner;8. it is inserted into hollow axle interior lining panel at bistrique hollow axle, makes hollow axle interior lining panel insert the endoporus of grinding machine grinding head liner plate full weld;9. good and sound bearing on grinding machine hollow axle, and be arranged on grinding machine seat, add lubricating oil;Adding grinding machine abrasive body, the filling rate of abrasive body is 31.2% 33%;Install into people's access hole door, and fasten, complete φ 1.0 × 3 meters overhaul less, the assembling of the low noise grinding machine of grinding superfine material efficient, energy-conservation.
Described grinding machine hollow axle interior lining panel is divided into feeding end hollow axle interior lining panel and discharge end hollow axle interior lining panel;The thickness of hollow axle interior lining panel is 5mm;External diameter is grinding machine hollow axle internal diameter-1mm, is loose fit with grinding machine hollow axle internal diameter;It is welded with screw-in pan feeding spiral in feeding end grinding machine hollow axle interior lining panel, is highly 10mm-15mm;The length of feeding end grinding machine hollow axle interior lining panel is+2 times of liner plate thickness of grinding machine hollow axle length;Inner side in discharge end grinding machine hollow axle interior lining panel is welded with screw-in pan feeding spiral 100mm, highly connects rotary-out type discharging spiral for 20mm-25mm, is highly 10mm-15mm;The length of discharge end grinding machine hollow axle interior lining panel is grinding machine hollow axle length+150mm;Inner side in the discharge end grinding machine hollow axle interior lining panel of negative pressure dry powder grinding machine is only welded with screw-in pan feeding spiral 100mm, is highly 20mm-25mm, is not added with welding material spiral.
Described enter people's access hole door for being installed by introversive external compression, compression limit is 80mm;Entering people's access hole door is double-decker, and there is handle in outside;Enter people's access hole door flanging has and enter 6 fastening bolt holes that people's access hole mates with grinding mill barrel;From the fastening bolt holes entered people's access hole door major diameter centrage flanging, pass fastening bolt from inside to outside, so as to enter people's access hole door major diameter central axis, and cap at the bottom of inboard is by bolt is welded in people's access hole door flanging;All the other 4 fastening bolts are welded in people's access hole door flanging equally, but the axis of fastening bolt is parallel to each other;Enter people's access hole door adnexa also have two be perpendicular to grinding mill barrel install enter people's access hole door press strip, there is location fastening bolt holes at press strip two ends, and the radian inside press strip is identical with grinding mill barrel radian, are flat outside press strip.
Normal mill uses data to be the average creation data of luckiness dolomite ash factory of Jixi, Heilongjiang city before 2010;Novel grinding machine uses data to be luckiness dolomite ash factory of Jixi, Heilongjiang city at the average creation data of 2010-2012 years.Refer to following table:
Stop after using the grinding machine monoblock type liner plate not fastening lining-plate bolt, because lining-plate bolt fracture or liner plate out of the ordinary damage the maintenance carried out, the normal function rate of grinding machine to be greatly improved.
φ 1.0 × 3 meters overhauls less, the low noise grinding machine of grinding superfine material efficient, energy-conservation is lighter 1.04 tons than the service weight of common 1.0 × 3 meters of grinding machines of φ;Per unit area yield energy consumption reduces by 28.5%, and energy-saving effect is notable.
φ 1.0 × 3 meters overhauls less, the low noise grinding machine of grinding superfine material efficient, energy-conservation increases by 0.53 ton than abrasive body under 1.0 × 3 meters of Mill Working states of common φ,;Hour per unit area yield increases 75kg, and yield increases by 21.4%, produces efficient effect notable.
φ 1.0 × 3 meters overhauls less, the low noise grinding machine of grinding superfine material efficient, energy-conservation not because liner plate or liner plate fasten bolt breakage problem stop production to overhaul mistake, has significant advantage than 1.0 × 3 meters of grinding machines of common φ in the processing of 2 years.
φ 1.0 × 3 meters overhauls less, the low noise grinding machine of grinding superfine material efficient, energy-conservation in the processing process of 2 years, work noise is substantially low than common φ 1.0 × 3 meters;Because there is no noise monitoring instrument, temporarily there is no concrete noise reduction number.
φ 1.0 × 3 meters overhauls less, the low noise grinding machine processing of 2 years of grinding superfine material efficient, energy-conservation is about the summary of monoblock type liner plate: lining board of grinder material selection wear-resisting steel plate also adopts protruding platform rib, the spacing of protruding platform rib is 4-8 times of abrasive body diameter, and is uniformly distributed;The both sides of protruding platform rib are laminating full weld with shell liner, and eliminate weld stress, and there is the chamfering of 2mm × 2mm at two ends;The appropriate design of lining board of grinder internal structure, decrease the invalid abrasion of liner plate and abrasive body, significantly increase the service life of liner plate, with now actual use data analysis, the service life of new liner plate is at least long than the use of common liner plate 4 times, its wear liner still can use to 66%, this is inconceivable in common liner plate, common wear liner is just significantly increased to maintenance amount after 38%, wear up to 48% substantially cannot apply: Novel integral liner plate is wear-resistant, long service life, and advantage is notable.
Claims (10)
1. a maintenance less, the low noise grinding machine of grinding superfine material efficient, energy-conservation, described a kind of maintenance less, the low noise grinding machine of grinding superfine material efficient, energy-conservation be by grinding machine seat, self-aligning rolling bearing (or self-aligning sliding bearing), with the bistrique of hollow axle, grinding mill barrel, enter people's access hole door, lining board of grinder, grinding machine graphite baffle, grinding machine hollow axle interior lining panel, grinding machine material abrasive body forms;It technology is characterized in that the bistrique with hollow axle is only processed grinding mill barrel and connected bolt hole and the dowel hole of fastening;Grinding mill barrel only processes the bolt hole and dowel hole that are connected fastening with bistrique;Described grinding mill barrel has certain tapering, but is not limited to necessarily tapered;The liner plate of grinding machine is monoblock type liner plate, and its liner plate thickness only has the 1/3 of common liner plate thickness;Graphite baffle is had between grinding mill barrel and lining board of grinder;Enter people's access hole door for being installed by introversive external compression.
2. according to claim 1 a kind of maintenance less, grinding mill barrel described in the low noise grinding machine of grinding superfine material efficient, energy-conservation its technology is characterized in that grinding mill barrel has certain tapering, but be not limited to necessarily tapered;The left and right radius respectively R of grinding mill barrel1、R2, barrel lenght is L;Its tapering is 2 (R1-R2)/L=0 1/10;Cylinder has into people's access hole, enter and outside people's access hole, be welded with reinforcement version;Strengthen that version has the bolt hole being fastened into people's access hole door entering people's access hole.
3. overhaul less according to claim 1 one kind, lining board of grinder described in the low noise grinding machine of grinding superfine material efficient, energy-conservation be monoblock type liner plate its technology is characterized in that described lining board of grinder is divided into bistrique liner plate 1, bistrique liner plate 2, grinding mill barrel liner plate 3;The material of liner plate is wear-resisting steel plate;The thickness of liner plate is the 80%-95% of grinding mill barrel thickness, is the 1/3 of common liner plate thickness;The shape of described grinding machine grinding head liner plate 1, is that bistrique 1 is identical with connection side, grinding mill barrel big footpath;Bistrique liner plate 1 external diameter is the internal diameter of grinding mill barrel liner plate bigger diameter end, and has the chamfering of 2mm × 2mm;And having the keyway mated with grinding mill barrel liner plate inner bulge platform rib, keyway is tight fit;Bistrique liner plate 1 internal diameter is the internal diameter of bistrique 1 hollow axle;The shape of described grinding machine grinding head liner plate 2, is that bistrique 2 is identical with grinding mill barrel path connection side;Bistrique liner plate 2 external diameter is the internal diameter of grinding mill barrel liner plate miner diameter end, and has the chamfering of 2mm × 2mm;And having the keyway mated with grinding mill barrel liner plate inner bulge platform rib, keyway is tight fit;Bistrique liner plate 2 internal diameter is the internal diameter of bistrique 2 hollow axle;Grinding mill barrel liner plate 3 is monoblock type liner plate;The length of cylinder monoblock type liner plate is Lm-(5/4) Lmm;The outside that shape is monoblock type liner plate has the height parallel with grinding mill barrel to be 3mm-5mm, and the wide on-slip projection locking key for 5mm-10mm, miner diameter end has the chamfering of 2mm × 2mm;The distance of on-slip projection locking key is the outer radius of grinding mill barrel liner plate, and bar number is 6;The bar number of big footpath grinding machine on-slip projection locking key is the multiple of 6, and the distance between on-slip projection locking key is equidistant;Described on-slip projection locking key justifies grinding mill barrel internal diameter 4mm-6mm at the radial distance of cylinder lining plate more than same.
4. overhaul less according to claim 1 one kind, protruding platform rib in grinding mill barrel liner plate described in the low noise grinding machine of grinding superfine material efficient, energy-conservation its technology is characterized in that the inner side of grinding mill barrel liner plate be welded with equidistant with on section contour in shell liner circle, highly be the 1/3 to 1/2 of abrasive body diameter, width be the protruding platform rib of 20mm-30mm;The spacing of protruding platform rib is 4-8 times of abrasive body diameter, and is uniformly distributed;The both sides of protruding platform rib are laminating full weld with shell liner, and eliminate weld stress, and there is the chamfering of 2mm × 2mm at two ends.
5. overhaul less according to claim 1 one kind, grinding machine baffle described in the low noise grinding machine of grinding superfine material efficient, energy-conservation its technology is characterized in that described grinding machine baffle is expanded graphite plate, thickness is 1mm-4mm;The concrete thickness of grinding machine graphite baffle is determined as the case may be.
6. overhaul less according to claim 1 one kind, grinding machine hollow axle interior lining panel described in the low noise grinding machine of grinding superfine material efficient, energy-conservation its technology is characterized in that grinding machine hollow axle interior lining panel is divided into feeding end hollow axle interior lining panel and discharge end hollow axle interior lining panel;The thickness of hollow axle interior lining panel is 5mm;External diameter is grinding machine hollow axle internal diameter-1mm, is loose fit with grinding machine hollow axle internal diameter;It is welded with screw-in pan feeding spiral in feeding end grinding machine hollow axle interior lining panel, is highly 10mm-15mm;The length of feeding end grinding machine hollow axle interior lining panel is+2 times of liner plate thickness of grinding machine hollow axle length;Inner side in discharge end grinding machine hollow axle interior lining panel is welded with screw-in pan feeding spiral 100mm and connects rotary-out type discharging spiral, is highly 20mm-25mm;The length of discharge end grinding machine hollow axle interior lining panel is grinding machine hollow axle length+150mm;Inner side in the discharge end grinding machine hollow axle interior lining panel of negative pressure dry powder grinding machine is only welded with screw-in pan feeding spiral 100mm, is highly 20mm-25mm, is not added with welding material spiral.
7. overhaul less according to claim 1 one kind, entering people's access hole door it technology is characterized in that into people's access hole door as being installed by introversive external compression described in the low noise grinding machine of grinding superfine material efficient, energy-conservation, compression limit is 80mm;Entering people's access hole door is double-decker, and there is handle in outside;Enter people's access hole door flanging has and enter 6 fastening bolt holes that people's access hole mates with grinding mill barrel;From the fastening bolt holes entered people's access hole door major diameter centrage flanging, pass fastening bolt from inside to outside, so as to enter people's access hole door major diameter central axis, and cap at the bottom of inboard is by bolt is welded in people's access hole door flanging;All the other 4 fastening bolts are welded in people's access hole door flanging equally, but the axis of fastening bolt is parallel to each other;Enter people's access hole door adnexa also have two be perpendicular to grinding mill barrel install enter people's access hole door press strip, there is location fastening bolt holes at press strip two ends, and the radian inside press strip is identical with grinding mill barrel radian, are flat outside press strip.
8. overhaul less according to claim 1 one kind, the assembling of the low noise grinding machine of grinding superfine material efficient, energy-conservation: 1. between the outside of grinding mill barrel liner plate, on-slip projection locking key, stick graphite baffle;In on-slip projection locking key and coat lubricating graphite inside grinding mill barrel;2. the miner diameter end of grinding mill barrel monoblock type liner plate is inserted from the bigger diameter end of grinding mill barrel, compressing with hydraulic test after being seated makes grinding mill barrel liner plate completely into grinding mill barrel, and leave the distance of Lmm with body end surface, and vertical with cylinder axial line and concentric, grinding mill barrel liner plate path end face and grinding mill barrel end face distance are (L/4) mm;Then grinding machine grinding head liner plate is installed, makes bistrique liner plate concordant with the outer face of grinding mill barrel liner plate, the weld seam between full weld bistrique liner plate and grinding mill barrel liner plate, and polish;Obtain the complex of grinding machine monoblock type liner plate and grinding mill barrel;3. on grinding mill barrel interior lining panel, by grinding mill barrel enters people's access hole, cut off the liner plate on cylinder with burning torch, grinding mill barrel is entered people's access hole and enters people's access hole with grinding mill barrel liner plate and weld together;4. inside grinding machine grinding head, expanded graphite baffle is sticked, in the graphite pads thick in conjunction with sticking 1mm on fastening face of grinding machine grinding head and grinding mill barrel;5. two grinding machine grinding heads are connected with grinding mill barrel respectively, and make grinding machine grinding head hollow axle axis overlap with grinding mill barrel axial line, stamp locating pin, first-class grinding mill barrel and the fastening bolt of grinding machine grinding head, fasten bolt and fasten and tighten standby cap by regulation moment;The inner side of the junction of welding bistrique liner plate and shell liner;6. it is inserted into hollow axle interior lining panel at bistrique hollow axle, makes hollow axle interior lining panel insert the endoporus of grinding machine grinding head liner plate full weld;7. good and sound bearing on grinding machine hollow axle, and be arranged on grinding machine seat, add lubricating oil;Adding grinding machine abrasive body, the filling rate of abrasive body is 31.2% 33%;8. install into people's access hole door, and fasten, complete grinding machine assembling.
9. overhaul less according to claim 1 one kind, the assembling of zero draft cylinder grinding machine in the low noise grinding machine of grinding superfine material efficient, energy-conservation: 1. between the outside of grinding mill barrel liner plate, on-slip projection locking key, stick graphite baffle, on-slip projection locking key is graphited lubricant, on-slip projection locking key at the radial distance of cylinder lining plate more than with circle grinding mill barrel internal diameter 4mm;2. reach in the grinding mill barrel of 150 DEG C 200 DEG C after heating being inserted in one end of room temperature grinding mill barrel monoblock type liner plate, quickly compressing with hydraulic test makes shell liner completely into grinding mill barrel, shell liner end face and grinding mill barrel end face is made to stay 3mm space, and vertical with cylinder axial line and concentric;3. installing grinding machine grinding head liner plate after cooling, grinding machine grinding head liner plate enters grinding mill barrel liner plate and concordant with shell liner end face, the weld seam between full weld bistrique liner plate and grinding mill barrel liner plate, and polishes;Obtain the complex of grinding machine monoblock type liner plate and grinding mill barrel;4. on grinding mill barrel interior lining panel, by grinding mill barrel enters people's access hole, cut off the liner plate on cylinder with burning torch, grinding mill barrel is entered people's access hole and enters people's access hole with grinding mill barrel liner plate and weld together;5. inside grinding machine grinding head, expanded graphite baffle is sticked, in the graphite pads thick in conjunction with sticking 1mm on fastening face of grinding machine grinding head and grinding mill barrel;6. two grinding machine grinding heads are connected with grinding mill barrel respectively, and make grinding machine grinding head hollow axle axis overlap with grinding mill barrel axial line, stamp the fastening bolt of locating pin, first-class grinding mill barrel and grinding machine grinding head;Fastening bolt fastens and tightens standby cap by regulation moment;7. the inner side of the junction of welding bistrique liner plate and shell liner;8. it is inserted into hollow axle interior lining panel at bistrique hollow axle, makes hollow axle interior lining panel insert the endoporus of grinding machine grinding head liner plate full weld;9. good and sound bearing on grinding machine hollow axle, and be arranged on grinding machine seat, add lubricating oil;Adding grinding machine abrasive body, the filling rate of abrasive body is 31.2% 33%;Install into people's access hole door, and fasten, complete the maintenance of zero draft grinding mill barrel less, the assembling of the low noise grinding machine of grinding superfine material efficient, energy-conservation.
10. overhaul less according to claim 1 one kind, product described in the low noise grinding machine of grinding superfine material efficient, energy-conservation, its technical characteristic is the grinding machine assembled by claim 8 or 9: a kind of maintenance is few, the low noise grinding machine of grinding superfine material efficient, energy-conservation.
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GB2262896B (en) * | 1991-10-18 | 1995-03-22 | Gravesend Engineering Company | Apparatus for pulverising solid materials |
EP0775526B1 (en) * | 1995-11-24 | 2002-01-09 | Nisshin Seifun Group Inc. | Mechanical grinding apparatus |
CN202155215U (en) * | 2011-06-30 | 2012-03-07 | 江苏科行环境工程技术有限公司 | Self-locking lining plate structure of horizontal roller mill |
CN102380446A (en) * | 2011-10-19 | 2012-03-21 | 江阴市东发机械设备制造有限公司 | Lining of rod mill |
CN203124049U (en) * | 2013-02-27 | 2013-08-14 | 河南省康泰微粉有限公司 | Lining plate of rolling drum ball mill |
-
2016
- 2016-04-15 CN CN201610250176.1A patent/CN105772187B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2262896B (en) * | 1991-10-18 | 1995-03-22 | Gravesend Engineering Company | Apparatus for pulverising solid materials |
EP0775526B1 (en) * | 1995-11-24 | 2002-01-09 | Nisshin Seifun Group Inc. | Mechanical grinding apparatus |
CN202155215U (en) * | 2011-06-30 | 2012-03-07 | 江苏科行环境工程技术有限公司 | Self-locking lining plate structure of horizontal roller mill |
CN102380446A (en) * | 2011-10-19 | 2012-03-21 | 江阴市东发机械设备制造有限公司 | Lining of rod mill |
CN203124049U (en) * | 2013-02-27 | 2013-08-14 | 河南省康泰微粉有限公司 | Lining plate of rolling drum ball mill |
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