CN1056323C - Single granule and multi-external force mill - Google Patents
Single granule and multi-external force mill Download PDFInfo
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- CN1056323C CN1056323C CN96117611A CN96117611A CN1056323C CN 1056323 C CN1056323 C CN 1056323C CN 96117611 A CN96117611 A CN 96117611A CN 96117611 A CN96117611 A CN 96117611A CN 1056323 C CN1056323 C CN 1056323C
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Abstract
The present invention provides a single particle multi-external force pulverizer with a fire-new pulverizing mechanism, working principle and structure, which comprises a wear-resistant plate with spiral tooth lines and different face angles and an upper conical grinding disc and a lower conical grinding disc of a horizontal bull ring, wherein the upper part of the wear-resistant plate is fixe, and the lower part of the wear-resistant plate is movable. The center of the upper grinding disc is provided with a feed opening and a conical feed hopper, and the center of the lower grinding disc is provided with feed pushing spiral parts. The upper grinding disc and a machine base are connected into a whole. The lower grinding disc is provided with a fly wheel and is supported by a steel ball. A motor, a high-efficiency speed reducer (changer) and a hollow main shaft which are arranged on the machine base drive the lower grinding disc to rotate; the upper grinding disc and the lower grinding disc are respectively provided with a water cooling system, and the periphery is provided with square aggregate tubes. The present invention has advantages that the energy is obviousely saved, and the production efficiency is obviously enhanced by using the single particle multi-external force pulverizer.
Description
The invention belongs to general pulverizing or milling apparatus, proposed a kind of grinding mechanism and operation principle and the diverse single granule and multi-external force mill of existing grinding machine, be widely used in building materials.In the industrial departments such as chemical industry, metallurgy, mine, electric power that natural minerals or artificial mineral (for example clinker etc.) is broken, be pressed into the finished product or the semi-finished product that meet fineness requirement.
With the building materials industry is example, and grinding machine is extremely important, indispensable main frame.Cement industry just not can not produce cement if there are " kiln (shaft kiln or rotary kiln) two mills (raw mill, cement grinding mill) ".The a large amount of solid material in cement plant all need pass through grinding, and 1 ton of cement of every production needs the material of grinding about more than 4 tons, and the grinding machine electricity consumption accounts for about the 65-70% of cement plant total electricity consumption.
In the prior art, the milling equipment that grinding operation adopts, the overwhelming majority is a ball mill; Ball mill was succeeded in developing in Germany in 1883, so far century more than one; Ball mill efficiency is low, and reactive loss is very big; Ball mill is used for the theoretical energy of grinding, only account for 2.2% of total energy consumption, and the effective rate of utilization of electric energy has only about 2%.At a distance of the nineteen thirty-five after 52 years, the new grinding machine of second generation Vertical Mill (milling) is one by one just succeeded in developing in West Germany, be used for grinding operation, this is a much progress of grinding technology, the end of the seventies, China begins to introduce this new technology and develops with introducing equipment and be used for producing, and (the ratio power consumption of 1 ton of material of grinding is from ball mill 36-39 to be listed as " eight or five " national energy-saving equipment promotion project.7KW/ ton material drops to about 15KW/ ton material), still, because the Vertical Mill investment is big, the specification requirement height applies being restricted.
Be separated by again 50 years, promptly 1985, extrusion crusher came out in West Germany, and extrusion crusher is actually a kind of fine crusher, was not a kind of independently milling equipment, it can only with the supporting use of ball mill, replace the most of particle function of ball mill; China's extrusion crusher one by one the ball mill association system be 21.73KW/ ton material than power consumption, this is bigger technological progress again of grinding technology.
No matter the grinding of existing bulk material is domestic or external, and producing the milling equipment that uses mainly is ball mill (open circuit or closed circuit), secondly is Vertical Mill, and extrusion crusher is the ball mill association system one by one; The grinding theory that adopt the present age is: " the material group pulverizes theory ", specifically be applied in the exploitation of new grinding machine, be exactly " the thick bed principle " that Vertical Mill adopts, " the high pressure bed of material pulverization principle " that is adopted with extrusion crusher, existing grinding machine all is to adopt the material group, the form of the bed of material is just carried out broken, mill under the state of " many particles ".
Ball mill efficiency and electric energy effective rate of utilization are very low, but it is simple in structure firmly, manages uncomplicatedly, with the Vertical Mill ratio, invest lessly, so still are widely adopted so far; Vertical Mill and extrusion crusher are because operation principle is different with ball mill with structure, therefore, bigger energy-saving effect is arranged, and the new problem that operation principle and machine construction are brought but they also exist is such as the structure operation complexity, the specification requirement height, investment is big, general in, small enterprise is difficult to adopt.(1 supporting 1000 * 300 extrusion crusher of small dimension ball mill shows about 1,000,000 yuans of prices, and 1 small-sized Vertical Mill investment is more than at least 100 ten thousand yuans.)
Vertical Mill and extrusion crusher operation principle and structure all are different from ball mill, without abrasive body, reactive loss is little, therefore lower than power consumption than ball mill, but they are to being applied the character and the effect of external force by grinding material, identical again with ball mill, all be to adopt single external force one pressure (punching press rolls extruding) basically.Therefore limited than power consumption reduction by a larger margin, added they self some shortcomings, can not desirable at last milling equipment, particularly popularize and promote in that China is difficult.
The present invention's purpose is intended to overcome deficiency of the prior art, and the grinding machine that changes existing " many particles list external force " is designed to the grinding machine design of " single granule and multi-external force ".Grinding device and corollary apparatus thereof that (certain taper is arranged) Moving plate by adopting the position correspondence and price fixing etc. constitute.Thereby provide a kind of grinding theory, operation principle and structure be different from all that prior art constructions is simple, applicability strong, few with material, cost is low, operation is simple and easy, and is easy to maintenance, efficient, energy-conservation single granule and multi-external force mill.
As everyone knows, with " many particles ", when promptly accepting the external force pulverizing with the form of material group, the bed of material, intergranular friction, buffering, liner effect, it is inevitable that yielding, slippage, plough turn over (Vertical Mill) phenomenon, must consume a lot of energy of absorption, be nothing like and accept external force capacity usage ratio height, lowering energy-saving under " individual particle " state.Any material is the mineral of fragility particularly, and its compression strength is all than tension, shearing resistance, resistance, rupture strength tenfold height at double.With single pressure comminuting matter, will draw than employing, cut, bend, folding etc. " many external force " the grinding material power consumption of tenfold at double.This is starting point of the present invention and theoretical foundation, just the theoretical foundation and the guiding theory of " single granule and multi-external force " flour mill structural design.It and existing grinding machine (ball milling, Vertical Mill etc.), the design philosophy and the grinding theory of " many particles list external force (pressure) " are just the opposite.Therefore essence of the present invention is the breakthrough of grinding theory, the innovation of design principle, the revolution of grinding technology.The structure of new mill is in order to realize that new grinding mechanism and operation principle are not that structural general innovation improves.
Content of the present invention is: a kind of single granule and multi-external force mill, by support, comprise the power and the driving section that are installed in the hollow main shaft on the support by bearing block, and the grinding part, input and output material partly cools off partly and forms, and its feature part is:
Described grinding partly comprises: with the lower wall (32) that is fixedly connected on the described hollow main shaft (25), the upper surface that is fixedly connected with lower wall (32) upper surface is distributed with the lower wall liner plate (6) of groove and is distributed with the lower wall grinding ring (7) of groove with the upper surface that lower wall (32) upper surface periphery is fixedly connected, be arranged at the flywheel circle (9) between lower wall (32) and the described support (22), be arranged at the cannelure (33) between lower wall (32) and support (22) correspondence position and place the interior one group of steel ball (34) of this cannelure (33); By the one group of clamping screw (15) that is symmetrically distributed connects with support (22) and the center have charging aperture (35) on coil (5), the lower surface that is fixedly connected with last dish (5) lower surface is distributed with going up dish liner plate (4) and being distributed with the hanging-wall grind ring (19) of groove with the lower surface that lower wall (32) lower surface periphery is fixedly connected of groove, is arranged at the supporting side's seat (20) that makes maintenance appropriate gap between dish (5) and the lower wall (32) between dish (5) and the support (22);
Described input and output material partly comprises: be positioned at the charging aperture (35) of dish (5) and control supplied materials that the lower end connects with lower wall (32) center fixation and draw (pushing away) material feed auger (1), the feed hopper (17) that links with the charging aperture (35) of last dish (5); Be arranged between dish (5) and the support (22) and with last dish (5) and lower wall (32) between the square tube of gathering materials (8) of the loop vent tubular type that communicates of gap, this square tube of gathering materials (8) is provided with coarse granule material outlet (28), is linked with blast pipe (36) and goes out wind material pipe (37);
Described cooling partly comprises: connects and forms the upper sealing panel (38) of annular seal space with last dish (5) fixing seal, this upper sealing panel (38) is provided with and cools off oral siphon (3) and cool off outlet pipe (18); Connect the lower seal plate (39) that forms annular seal space with inboard circle of lower wall (32) and center hub outer peripheral face fixing seal, in hollow main shaft (25), import cooling outlet pipe (23) and cooling entry device in the described annular seal space, apopore (43) on the hollow main shaft (25) corresponding with cooling outlet pipe (23) upper end position, described cooling entry device can be a cooling oral siphon, also can be by the water inlet ring set (24) that connects and be linked with cooling oral siphon (29) with hollow main shaft (25) fixing seal, hollow main shaft (25) goes up the inlet opening (40) that communicates with water inlet ring set (24) and the apopore (41) that communicates with described annular seal space constitutes, and hollow main shaft (25) lower end closed.
Be equipped with described in the content of the present invention and quietly on the abrasion-proof backing block down moving go up dish (5) and lower wall (32) can be that cone angle is 100 °-170 ° a cone dish.
Power and driving section described in the content of the present invention can be the variable-speed motors that connects with described hollow main shaft (25), also can constitute by deceleration device that connects with described hollow main shaft (25) and motor, this deceleration device is worm gear, worm reduction gear, or mesh or the external toothing deceleration device in the spur gear, or planet circular system deceleration device.
Lower wall liner plate described in the content of the present invention (6) can be connected as a single entity with lower wall grinding ring (7), and the described dish liner plate (4) of going up can be connected as a single entity with hanging-wall grind ring (19), and its working surface design has the spiral groove of different section and rotation direction.
Can be provided with locking cylindrical spring (13) or hydraulic means on the clamping screw described in the content of the present invention (15), play overload protective function.
Can be provided with material scraping plate (21) in the square tube of gathering materials described in the content of the present invention (8), this material scraping plate (21) connects with lower wall (32) by connecting rod (42), and material scraping plate (21) can be one or equally distributed a plurality of.
The internal perisporium of charging aperture described in the content of the present invention (35) the charging aperture lining (2) that can be fixedly connected to increase the intensity of charging aperture (35), increases the service life.
Steel ball described in the content of the present invention (34) can also be a roller, can also be dynamic pressure or static-pressure sliding bearing.
Groove that lower wall liner plate described in the content of the present invention (6) upper surface distributes and the described groove shape that goes up the distribution of dish liner plate (4) lower surface can be various, for example: spirality, radial distribution, radial strut distribution or other shape of the prior art etc., with energy-efficient wear-resisting being as the criterion, its function will realize the comprehensive utilization of multiple external force, make the distortion of various material particles, destroy, cracking, to pulverize, force simultaneously the material particles that varies in size from big to small, from coarse to fine, leniently arrive narrow, therefrom to the limit step by step, go out to grind successively.
Grinding ring described in the content of the present invention also can be that the steel ball steel column adds raceway.
The described hollow main shaft of content of the present invention (25) can vertically be provided with as described above, also can level or the inclination certain angle be provided with, content of the present invention described other partly also level or inclination certain angle are provided with thereupon.
The present invention top can also be provided with efficiently selects powder, discharging, dust arrester installation.
The present invention has following characteristics:
(1) compares with existing grinding machine, grinding theory of the present invention, operation principle and machine construction are inequality entirely, can increase substantially mill efficiency and electric energy effective rate of utilization, tenfold is low at double than existing grinding machine than power consumption, control, operation, convenience easy to maintenance are invested for a short time, take up an area of few, can be used for various grinding operations, market is boundless; Compare with ball mill, manufacturing cost is with half of output ball mill or lower, and than power consumption (grinding ton material power consumption) be ball mill 1/10th or lower;
(2) comprehensive utilization of the multiple external force of employing, collection is crooked, jackknifing, shear, draw, press, rubbing, carefully grind, functions such as grinding are in one, existing broken firmly, coarse crushing, in small, broken bits, shearing is arranged again, grinding, rubbing and grinding, being bordering on individual particle pulverizes, by the material of grinding from feed hopper 17 working region in charging aperture enters flour mill, the propelling movement power that is produced by machine forces material ceaselessly forward, the direction of a pair of acting surface to couple, the active force of radius vector and couple ceaselessly changes, so that under the situation of different regions material at different-grain diameter, material is applied different external force (acting totally), make material from big to small, from coarse to fine, pulverize to be ground according to the order of sequence up to going out mill, use grind materials promptly to be finished product or to be finished product basically, can effectively be reduced the power of selection by winnowing;
(3) need not drive a large amount of abrasive bodies; Need not overcome huge eccentric moment acting; Mechanical energy is acted directly on by on the material of grinding, do not do a large amount of idle works; Be not subjected to the restriction of centrifugal force, rotating speed is not limited, can require to select for use in wide range according to output, improves output and mill efficiency, and material is the time of staying short (about about 1 minute) in mill, and circuit is short and straight, grinding can not occur; Material from slightly attenuating, is therefrom forced out mill to the limit in by grinding process; Can make full use of kinetic energy work; Overall grinding, lapped face utilization rate height, mill efficiency height; Require not strict to feed; Approximate individual particle grinding, no buffer pad effect absorbs energy; The moment of couple and linear velocity and material particular diameter coincide; Angle of nip is little about 3 °-4 °, and chucking power is big, can not come off tightly clamping of material particles, helps material particles is carried out grinding, material is produced push, shear, roll over, draw; Can under the situation of not having material, start and shut down; Can adjust output and fineness easily and flexibly; Can not produce grinding, help changing end product quality, improve aquation intensity; Can dry grind, wind air-supply choosing, also can wet-milling, flotation water send, and can directly grind as finished product; Dry sound is little, vibrates little; Low to the requirement of pressurization facility, little with air capacity, the transfer efficiency height, cooling partly can guarantee good lubricating condition again; Compact integral structure, cost is low, invests for a short time, takes up an area of fewly, and applicability is strong.
Fig. 1 is an embodiment of the invention structural representation;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is an A-A sectional structure schematic diagram among Fig. 1;
Fig. 4 is a B-B sectional structure schematic diagram among Fig. 1;
Fig. 5 is a C-C sectional structure schematic diagram among Fig. 1.
Among the figure: the 1-feed auger, 2-charging aperture lining, 3-cools off oral siphon, the last dish of 4-liner plate, the last dish of 5-(price fixing), 6-lower wall liner plate, 7-lower wall grinding ring, the 8-square tube of gathering materials, 9-flywheel circle, 10-two bag anchor ring worm gears, the 11-oil scraper ring, 12-lower bearing gland, 13-locks cylindrical spring, the 14-spring washer, 15-clamping screw, 16-lower support, the 17-feed hopper, 18-cools off outlet pipe, 19-hanging-wall grind ring, 20-supporting side seat, 21-material scraping plate, 22-support, 2 3-cool off outlet pipe, the 24-ring set of intaking, 25-hollow main shaft, the 26-bearing insert, 27-two bag anchor ring triple start worms, the outlet of 28-coarse granule material, 29-cools off oral siphon, and the 30-shaft coupling is paid, the 31-horizontal motor, 32-lower wall (Moving plate), 33-cannelure, 34-steel ball, the 35-charging aperture, the 36-blast pipe, 37-goes out wind material pipe, the 38-upper sealing panel, 39-lower seal plate, 40-inlet opening, the 41-apopore, 42-connecting rod, 43-apopore.
Be one embodiment of the present of invention below:
Referring to each accompanying drawing.A kind of single granule and multi-external force mill, by support, power and driving section, grinding part, input and output material part and cooling are partly formed.
Described support is made of support 22 that is fixedly connected and lower support 16;
Described power and driving section comprise: horizontal motor 31, two bag anchor ring worm gears 10, two bag anchor ring triple start worms 27, shaft coupling pay 30, hollow main shaft 25, one group of bearing block etc., hollow main shaft 25 is installed on the described support by bearing block, worm gear pairs is arranged in the support, horizontal motor 31 is paid 30 and two bag anchor ring triple start worms 27 by shaft coupling and is connected, and two bag anchor ring triple start worms 27 drive two bag anchor ring worm gears 10 and hollow main shaft 25 rotates.
Described grinding partly comprises: the lower wall 32 that is fixedly connected by key pin with described hollow main shaft 25 upper ends, the upper surface that is fixedly connected with lower wall 32 upper surfaces is distributed with the lower wall liner plate 6 of groove and is distributed with the lower wall grinding ring 7 of groove with the upper surface that lower wall 32 upper surface peripheries are fixedly connected, be arranged at flywheel circle 9 between lower wall 32 and the described support 22, in order to strengthen the rotator inertia of lower wall 32, be arranged at the cannelure 33 between lower wall 32 and support 22 correspondence positions and place one group of interior steel ball 34 of this cannelure 33; By being symmetrically distributed one group the totally 3 pairs of clamping screws 15 connects with support 22 and the center have charging aperture 35 on coil 5, be provided with locking cylindrical spring 13 on each clamping screw 15, the lower surface that is fixedly connected with last dish 5 lower surfaces is distributed with going up dish liner plate 4 and being distributed with the hanging-wall grind ring 19 of groove with the lower surface that lower wall 32 lower surface peripheries are fixedly connected of groove, be arranged at the liner plate that makes dish 5 and lower wall 32 between dish 5 and the support 22, keep supporting side's seat 20 of appropriate gap between the grinding ring; Lower wall liner plate 6 matches with the groove of last dish liner plate 4, and lower wall grinding ring 7 matches with the groove of hanging-wall grind ring 19, makes and forms the taper work chamber that the middle part is wide, limit portion is narrow between the upper lower burrs;
Described input and output material partly comprises: be positioned at the charging aperture 35 of dish 5 and the feed auger 1 that the lower end connects with lower wall 32 center fixation, with the charging aperture lining 2 that charging aperture 35 internal perisporiums are fixedly connected, between charging aperture lining 2 and the feed auger 1 appropriate gap arranged; The feed hopper 17 that links with the charging aperture 35 of last dish 5, be arranged between dish 5 and the support 22 and with last dish 5 and lower wall 32 outer rims between the square tube 8 of gathering materials (using grind materials is pulled away under suspended state) of the loop vent tubular type that communicates of gap, this square tube 8 of gathering materials is provided with coarse granule material outlet 28, is linked with blast pipe 36 and goes out wind material pipe 37, and symmetry is positioned at 2 material scraping plates 21 that gather materials square tube 8 and connect with lower wall 32 by connecting rod 42;
Described cooling partly comprises: connects and forms the upper sealing panel 38 of annular seal space with last dish 5 fixing seals, this upper sealing panel 38 is provided with cooling oral siphon 3 and cools off outlet pipe 18; And center hub outer peripheral face fixing seal round with lower wall 32 inboards connects and forms the lower seal plate 39 of annular seal space, in hollow main shaft 25, import cooling outlet pipe 23 and cooling entry device in the described annular seal space, apopore 43 on the hollow main shaft 25 corresponding with cooling outlet pipe 23 upper end positions, described cooling entry device is made of inlet opening 40 that communicates with water inlet ring set 24 on the water inlet ring set 24 that connects and be linked with cooling oral siphon 29 with hollow main shaft 25 fixing seals, the hollow main shaft 25 and the apopore 41 that communicates with described annular seal space, and hollow main shaft 25 lower end closed.
During work, start horizontal motor 31, drive lower wall 32 rotation at a high speed immediately by hollow main shaft 25, hanging-wall grind ring 19 does not contact mutually with lower wall grinding ring 7, keeps the minim gap that manually can regulate and control; Lower wall 32 cooling waters in cooling oral siphon 29, the water inlet ring set 24 that connects with hollow main shaft 25 fixing seals of lower end closed, inlet opening 40, hollow main shaft 25, apopore 41 enters the lower wall annular seal space continuously, discharge continuously through cooling off outlet pipe 23; Last dish 5 cooling waters enter the disc-annular shape annular seal space continuously from cooling oral siphon 3, discharge continuously from cooling outlet pipe 18; Because the weight of lower wall 32 self, flywheel circle 9, cooling water, hollow main shaft 25 and other parts is added locking device, do not scurry on not understanding when lower wall 32 rotates, can keep predetermined gap; Certain particle diameter is arranged, through the material particles of magnetic separation by feed hopper 17, by push-and-pull action with the feed auger 1 of lower wall 32 high speed rotating, from charging aperture 35 enter the dish 5 and lower wall 32 between the taper work chamber, by lower wall liner plate 6 with on the dish liner plate 4, try hard to make material particles to move towards the compulsory promotion of special groove at the edge of dish, cause particle to be subjected to the comprehensive function of each all external force, thereby produce extruding, cut folding, curvedly draw, splitting, mill stripping, grinding effect such as crumple, carefully grind, make material particles from big to small, from coarse to fine, up to going out mill.High velocity air imports from blast pipe 36, through the square tube 8 of gathering materials, discharges from going out wind material pipe 36; Fine powder after going out to grind, revolving under the floating state in injection is to be brought into the powder concentrator sorting by the high velocity air in the square tube 8 of gathering materials, a large amount of finished products take warehouse (warehouse for finished product) discharging to; Few fine powder that does not conform to fineness requirement returns to be regrinded.Select powder to carry with air-flow,, help preventing dust, reduce investment, take up space less and ground without bucket elevator, belt feeder.
Heat is taken away by cooling water, and the recirculated water heat also can be used, and after the wearing and tearing such as liner plate, can regularly replace up and down, changes simple and conveniently, and maintenance cost is few.
The technical parameter of present embodiment reference, motor power (output) 75KW, 35 tons of hourly outputs are than power consumption 2.14KW/ ton.
The invention is not restricted to the foregoing description, content of the present invention is described all can implement and have good result.
Claims (8)
1, a kind of single granule and multi-external force mill by support, comprises the power and the driving section that are installed in the hollow main shaft on the support by bearing block, the grinding part, and input and output material partly cools off partly and forms, and it is characterized in that:
Described grinding partly comprises: with the lower wall (32) that is fixedly connected on the described hollow main shaft (25), the upper surface that is fixedly connected with lower wall (32) upper surface is distributed with the lower wall liner plate (6) of groove and is distributed with the lower wall grinding ring (7) of groove with the upper surface that lower wall (32) upper surface periphery is fixedly connected, be arranged at the flywheel circle (9) between lower wall (32) and the described support (22), be arranged at the cannelure (33) between lower wall (32) and support (22) correspondence position and place the interior one group of steel ball (34) of this cannelure (33); By the one group of clamping screw (15) that is symmetrically distributed connects with support (22) and the center have charging aperture (35) on coil (5), the lower surface that is fixedly connected with last and last dish (5) lower surface is distributed with going up dish liner plate (4) and being distributed with the hanging-wall grind ring (19) of groove with the lower surface that lower wall (32) lower surface periphery is fixedly connected of groove, is arranged at the supporting side's seat (20) that makes maintenance appropriate gap between dish (5) and the lower wall (32) between dish (5) and the support (22);
Described input and output material partly comprises: be positioned at the charging aperture (35) of dish (5) and the feed auger (1) that the lower end connects with lower wall (32) center fixation, the feed hopper (17) that links with the charging aperture (35) of last dish (5), be arranged between dish (5) and the support (22) and with last dish (5) and lower wall (32) between the square tube of gathering materials (8) that communicates of gap, this square tube of gathering materials (8) is provided with coarse granule material outlet (28), is linked with blast pipe (36) and goes out wind material pipe (37);
Described cooling partly comprises: connects and forms the upper sealing panel (38) of annular seal space with last dish (5) fixing seal, this upper sealing panel (38) is provided with and cools off oral siphon (3) and cool off outlet pipe (18); And center hub outer peripheral face fixing seal round with lower wall (32) inboard connects and forms the lower seal plate (39) of annular seal space, in hollow main shaft (25), import cooling outlet pipe (23) and cooling entry device in the described annular seal space, apopore (43) on the hollow main shaft (25) corresponding with cooling outlet pipe (23) upper end position, described cooling entry device can be a cooling oral siphon, also can be by the water inlet ring set (24) that connects and be linked with cooling oral siphon (29) with hollow main shaft (25) fixing seal, hollow main shaft (25) goes up the inlet opening (40) that communicates with water inlet ring set (24) and the apopore (41) that communicates with described annular seal space constitutes, and hollow main shaft (25) lower end closed.
2, by the described single granule and multi-external force mill of claim 1, it is characterized in that: described being equipped with quietly on the abrasion-proof backing block moving down gone up dish (5) and lower wall (32) can be that cone angle is 100 °-170 ° a cone dish.
3, by claim 1 or 2 described single granule and multi-external force mills, it is characterized in that: described power and driving section can be the variable-speed motors that connects with described hollow main shaft (25), also can constitute by deceleration device that connects with described hollow main shaft (25) and motor, this deceleration device is worm gear, worm reduction gear, or mesh or the external toothing deceleration device in the spur gear, or planet circular system deceleration device.
4, by claim 1 or 2 described single granule and multi-external force mills, it is characterized in that: described lower wall liner plate (6) can be connected as a single entity with lower wall grinding ring (7), and the described dish liner plate (4) of going up can be connected as a single entity with hanging-wall grind ring (19).Its working surface design has the spiral groove of different section and rotation direction.
5, by claim 1 or 2 described single granule and multi-external force mills, it is characterized in that: can be provided with locking cylindrical spring (13) or hydraulic means on described institute's clamping screw (15).
6, by claim 1 or 2 described single granule and multi-external force mills, it is characterized in that: can be provided with material scraping plate (21) in the described square tube of gathering materials (8), this material scraping plate (21) connects with lower wall (32) by connecting rod (42).
7, by claim 1 or 2 described single granule and multi-external force mills, it is characterized in that: the internal perisporium of described charging aperture (35) the charging aperture lining (2) that can be fixedly connected.
8, by claim 1 or 2 described single granule and multi-external force mills, it is characterized in that: described steel ball (34) can also be a roller, can also be dynamic pressure or static-pressure sliding bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96117611A CN1056323C (en) | 1996-06-30 | 1996-06-30 | Single granule and multi-external force mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96117611A CN1056323C (en) | 1996-06-30 | 1996-06-30 | Single granule and multi-external force mill |
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| Publication Number | Publication Date |
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| CN1149003A CN1149003A (en) | 1997-05-07 |
| CN1056323C true CN1056323C (en) | 2000-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN96117611A Expired - Fee Related CN1056323C (en) | 1996-06-30 | 1996-06-30 | Single granule and multi-external force mill |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048176A (en) * | 1989-06-23 | 1991-01-02 | 陈吉祥 | Lapping device |
-
1996
- 1996-06-30 CN CN96117611A patent/CN1056323C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048176A (en) * | 1989-06-23 | 1991-01-02 | 陈吉祥 | Lapping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1149003A (en) | 1997-05-07 |
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