CN102698840A - Multi-point powder-taking grinding technology of micro powder tube mill - Google Patents
Multi-point powder-taking grinding technology of micro powder tube mill Download PDFInfo
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- CN102698840A CN102698840A CN2010106234531A CN201010623453A CN102698840A CN 102698840 A CN102698840 A CN 102698840A CN 2010106234531 A CN2010106234531 A CN 2010106234531A CN 201010623453 A CN201010623453 A CN 201010623453A CN 102698840 A CN102698840 A CN 102698840A
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Abstract
The multi-point powder-taking grinding technology of a micro powder tube mill is an installation process on mechanical equipment of the tube mill conducting micro powder grinding operations for relatively hard materials in building material industry, mining industry, electric power industry and other industries. The implementation of the technical solution for reducing the over-grinding phenomenon and improving the material grinding efficiency comprises the steps that: 1. the tail of each front compartment of the micro powder tube mill except the tail compartments is provided with a compartment separation device; 2. a cylinder is provided with uniformly distributed discharge holes; 3. the outside of the cylinder is welded with a double-layer flange-shaped discharge body; 4. the outside of the discharge body is provided with a discharge cover; 5. an air outlet is disposed on the top of the discharge cover; 6. the external of the air outlet is connected with an air suction pipe of a dust precipitator, by which the finished materials grinded by the front compartments are taken out. The finished materials collected by an external disposed dust precipitator are sent to a finished product elevator for end grinding. The finished materials in the finished product elevator together with the materials after end grinding are elevated to a finished product storage tank. The technical solution realize the decreased time for grinding materials, the improvement of machine-hour production, the reduced grinding power consumption of machine-hour production, and the technological progress of the grinding process and the equipment.
Description
Technical field; It is to be applied in industries such as building materials, mine, electric power that said micro mist tube mill repeatedly extracts the finished product materials technical scheme; The harder objuct material is carried out on the plant equipment of fine grinding operation tube mill, and on the mounting process of the auxiliary equipment mutual combination that is connected with grinding machine.
Technical background: at present; Industries such as building materials, mine, electric power are used on the market carries out the industrial enterprise of fine grinding operation to the harder objuct material; Employed milling equipment tube mill should be reached the specific area of the particle diameter and the material of defined according to the requirement of its product standard by the material behind the grinding when grinding operation.Most products all need the smaller particle size scope, and the maximum particle diameter of material and minimum particle diameter are should gap little in other words.Particularly this product of cement is to reach certain fineness by various materials such as clinker process grinding just can reach finished product afterwards, requires the most difficult cement grog grinding that grinds The more the better to the content of 5um-30um.And that existing grinding process and equipment make by the material particular diameter gap behind the grinding is bigger.Old-fashioned tube mill is from grinding preceding feed to the grinding process of material, is different hardness, varigrained material together to be entered into carry out grinding in the grinding machine, and is in the discharging simultaneously of mill tail, as shown in Figure 1 behind the process grinding in each storehouse; Some has just reached the granularity requirements of finished product to material before being less than the mill tail in grinding process; But because can not be by timely extraction; And continued grinding, the phenomenon that a part of material is crossed grinding has appearred, a part of material this levigate but do not have levigate.7 (being grinding machine afterbody fine powder extraction tube) in Fig. 1; Though can the certified products of the afterbody in grinding machine tail storehouse be drawn into 2 (in the dedusters) among the figure; But: owing to receive the fineness requirement of the product of grinding machine afterbody, the negative pressure air quantity of grinding machine afterbody mustn't be excessive; Therefore the finished product in the several storehouses, front beyond the tail storehouse of grinding mill barrel extracts to come out; Existing grinding process has influenced the performance to coarse grained levigate effect.Caused waste, the waste of time of power consumption, mill efficiency is low, grinding pow consumption is high.
Summary of the invention: the cylindrical shell of micro mist tube mill is done the continuous rotation of circumferencial direction under the support of two ends base bearing; Cylindrical shell axially be set to two to four grinding storehouses; Move in the storehouse backward from the preceding storehouse of cylindrical shell under the abrasive body percussion of material in cylindrical shell He under the abrasive action, behind the every grinding through a storehouse of material, all its grain fineness of the material of some has reached the index of finished product; For this partial material is extracted timely, the present technique invention is; Each storehouse of the front of micron mill except the tail storehouse can be provided with the partition device for barn that finished product materials is extracted at afterbody, like Figure of description 3 and Fig. 4; (being), 43 (being partition panel), 44 (be material transition chute by the ventilating duct that many five equilibriums lifting blade is partitioned into) by 41 respectively at a distance from chamber grating; 51 (they being that the cylindrical shell circumferencial direction is provided with equally distributed material taking hole), 45 (they being the magazine that goes out that the radially cylindrical shell outer circumference direction of material taking hole is welded with the Double-layer flange shape), 46 (they being magazine); Go out magazine along with grinding mill barrel rotates together; Go out between axial both sides and the discharging cover of magazine is matched in clearance and the slip that produces circumferencial direction; The sealing medium sealing is adopted in its gap; The lower margin of discharging cover is fixed on the ground level; 47 (top is provided with an air outlet above the discharging cover), 23 (pipe material is got in air draught) among last air outlet and Fig. 2 also are connected with the external equipment deduster, here are extracted through the finished product materials behind the grinding of preceding storehouse.Through the deduster of outer setting such as (30) among Fig. 2; In the finished product materials chute that is sent to the mill tail after the collection of finished products, together rise in the warehouse for finished product like (33) among Fig. 2 together with the finished product that grinds tail.The enforcement of this technical scheme has avoided material for old-fashioned grinding process and tube mill when entering into next storehouse grinding, is not continued grinding by levigate coarse granule because a part of finished product, has influenced last storehouse also therein again by grinding.What solved material crosses the grinding phenomenon, and material can in time be taken out before entering into next storehouse through the finished product materials that is produced behind the grinding in each storehouse.Realization realizes the technological progress of grinding process and equipment to the shortening of grinding material time, the raising of unit-hour output, the reduction of unit-hour output grinding pow consumption.
Specification digest
A kind of micro mist tube mill cylindrical shell axially be set to two to four grinding storehouses; Material moves in the storehouse from the preceding storehouse of cylindrical shell through abrasive body impact and abrasive action under the effect of cylindrical shell rotatory force backward; Behind the every grinding through a storehouse of material, all its grain fineness of the material of some has reached the index of finished product; The present technique invention is: each storehouse of the front of micron mill except the tail storehouse can be provided with intermediate bin finished product take out device at afterbody, like (22) in the Figure of description 2 and (25); Make a part of finished product materials extracted the detailed structure of intermediate bin finished product take out device such as Fig. 3 and shown in Figure 4 timely through producing after the grinding of last storehouse; The top, top of intermediate bin finished product take out device is provided with an air outlet, and last air outlet is got pipe material with (23) air draught among Fig. 2 and is connected; (30) that air draught is got among pipe material and external equipment deduster such as Fig. 2 are connected; Deduster is sent to after with collection of finished products in the finished product materials chute of mill tail, together rises in (33) among warehouse for finished product such as Fig. 2 together with the finished product of mill tail.The enforcement of this technical scheme has avoided material when entering into next storehouse grinding, because a part of finished product also therein by excessive grinding, has influenced last storehouse not by levigate coarse grained continuation grinding.The material that has solved old-fashioned tube mill generation is crossed the grinding phenomenon, realizes the shortening of grinding material time, the raising of unit-hour output, the reduction of unit-hour output grinding pow consumption are realized the technological progress of grinding process and equipment.
Embodiment
The cylindrical shell of micro mist tube mill is installed in Fig. 2's on (the 34th, ground level) under the support of the base bearing at two ends; Cylindrical shell is done the continuous rotation of circumferencial direction; Cylindrical shell axially be set to two to four grinding storehouses; Move in the storehouse backward from the preceding storehouse of cylindrical shell under the abrasive body percussion of material in cylindrical shell He under the abrasive action, behind the every grinding through a storehouse of material, all its grain fineness of the material of some has reached the index of finished product; For this a part of material is extracted timely, the present technique invention is:
Like Fig. 2: " micro mist tube mill multiple spot the is got the material grinding technology " conceptual scheme that is this application; Among the figure 20: be a micron mill; The multiple different grain size of 35 (by the imports of grinding material), the different material that is prone to grinding property carry out preparatory grinding from entering in the grinding machine 21 (being first grinding storehouse of grinding machine) here; Material moves in a storehouse from front to back; Tail enters into the inside of 22 (being intermediate bin finished product take out device A) from the storehouse; Material is at intermediate bin finished product take out device A) inside wherein the part material that reaches finish fineness enter into 23 along with negative-pressure air power in (intermediate bin take out device get material pipe); Enter into again in 30 (dedusters); Deduster is the negative pressure operation, and gas and material are separated here; Material is collected the back here and enters in 31 (the finished product materials chutes) through 36 (discharge nozzles of deduster bottom).
Many parts coarse granule material in 22 (the intermediate bin finished product take out device A) of material in Fig. 2 can enter in 24 (being second grinding storehouses of grinding machine) and carry out grinding; The afterbody that material moves to second grinding storehouse enters in 25 (being intermediate bin finished product take out device B) afterwards; 25 (being intermediate bin finished product take out device B) are identical with the structure of 22 (being intermediate bin finished product take out device A); Wherein a part of material that reaches finish fineness is along with negative-pressure air power enters in 26 (material of getting that is the intermediate bin take out device is managed); Enter into again in 30 (being deduster); Deduster is the negative pressure operation, and gas and material are separated here; Material is collected the back here and enters in 31 (being the finished product materials chutes) through 36 (being the discharge nozzles of deduster bottom).
Many parts coarse granule material in 25 (being intermediate bin finished product take out device B) of material in Fig. 2 can enter in 27 (being the 3rd grinding storehouse and tail storehouse) and carry out grinding; After the grinding of material through the 3rd grinding storehouse and tail storehouse; Enter in 28 (being grinding machine afterbody discharge device); Wherein a part of finished product enters in 29 (material of getting that is grinding machine afterbody discharge device is managed); Enter into 30 (being in the deduster) again; Most finished product materials wherein enter in 31 (being the finished product materials chutes); The material that comes with 36 (being the discharge nozzles of deduster bottom) together enters into 32 (being bucket elevators); Material is risen in 33 (being warehouse for finished products); The said equipment and parts constitute whole technical process that the micron mill multiple spot is got the material grinding technology.
Each storehouse of the front of the cylindrical shell of micro mist tube mill except the tail storehouse can be provided with " partition device for barn that the intermediate bin finished product materials is extracted " at afterbody; Identical like 25 in the Figure of description 2 (being intermediate bin finished product take out device B) with the structure of 22 (being intermediate bin finished product take out device A); Its structure such as Fig. 3 and shown in Figure 4; Material moves in a storehouse from front to back; The storehouse tail through 41 (they being) at a distance from chamber grating, enter in 42 (they being the stock grading expansion chamber); Finished product materials enters into 44 in (be material transition chute by the ventilating duct that many five equilibriums lifting blade is partitioned into) under the drive of negative-pressure air power; Enter into 52 (being the outside ventilating duct of getting equal portion on the magazine of entire body) through 51 among Fig. 4 (being the material taking hole of equal portion on the cylindrical shell circumference) again; Get into 54 (being annular passage) again; Through 47 (be with Fig. 2 in 23 get the mouth that the material pipe is connected) enter into 23 in (are intermediate bin take out device get material pipe).Accomplish the operation principle of " partition device for barn that the intermediate bin finished product materials is extracted ".
The enforcement of this technical scheme has avoided material for old-fashioned grinding process and tube mill when entering into the grinding in next storehouse, because a part of finished product also therein again by grinding, has influenced last storehouse not by levigate coarse grained continuation grinding.What solved material crosses the grinding phenomenon, and material can in time be taken out before entering into next storehouse through the finished product materials that is produced behind the grinding in each storehouse.Realization realizes the technological progress of grinding process and equipment to the shortening of grinding material time, the raising of unit-hour output, the reduction of unit-hour output grinding pow consumption.
The cement manufacturing enterprise that implements the present technique scheme has: the Shanxi province Taiyuan city gold gathers cat cement Co., Ltd; Produce 600000 tons of cement grinding stations per year; Shanxi Province Youyu County super strength cement Co., Ltd; Produce 300000 tons of cement grinding production lines per year; The two magnificent cement of Jilin Province's Baicheng City Co., Ltd produces 1000000 tons of cement grinding production lines per year; Zhangbei County, Zhangbei County, Hebei province cement Co., Ltd produces 1500000 tons of a plurality of enterprises such as cement grinding production line per year and has all adopted this technology, than the cement unit-hour output raising 10% of the cement manufacturing enterprise that adopts old-fashioned grinding process and equipment; Grinding pow consumption descends 10%; The business economic benefit obviously improves; This technology is also to numerous business enterprise expands used.Believe and to bring the certain social benefit.
Description of drawings
Fig. 1: prior art open flowing water mud grinding process and apparatus sketch, among the figure 1: (under motor drives through reductor, making the tube mill of continuous gyration); Among the figure 2: (deduster); Among the figure 3: (the supporting blower fan of deduster); Among the figure 4: (grinding machine afterbody discharge chute); Among the figure 5: (finished product materials elevator); Among the figure 6: (finished product storage bin); Among the figure 7: (grinding machine afterbody fine powder extraction tube); Among the figure 8: (ground surface); Among the figure 9: (roof, grinding machine room); Figure 10: (deduster fine powder tremie pipe); Among the figure 11: (grinding machine afterbody discharge gate); Among the figure 12: (import of material).
Fig. 2: " the micron mill multiple spot is got the material grinding technology " conceptual scheme of this application; Among the figure 20: (micron mill); 35 (by the imports of grinding material); 21 (being first grinding storehouse of grinding machine); 22 (being intermediate bin finished product take out device A); 23 (material of getting that is the intermediate bin take out device is managed); 24 (being second grinding storehouse of grinding machine); 25 (being intermediate bin finished product take out device B); 26 (material of getting that is the intermediate bin take out device is managed); 27 (being that the 3rd grinding storehouse is the tail storehouse); 28 (being grinding machine afterbody discharge device); 29 (material of getting that is grinding machine afterbody discharge device is managed); 30 (being deduster); 36 (being the discharge nozzle of deduster bottom); 31 (being the finished product materials chute); 32 (being bucket elevator); 33 (being warehouse for finished product); 34 (being ground level).
Fig. 3: be sequence number 22 among Fig. 2 (being that intermediate bin take out device A and sequence number 25 are enlarged drawings of intermediate bin take out device B); 39 (being grinding mill barrel) among the figure; 40 (being the grinding storehouse of intermediate bin take out device axial forward end) (like 21 among Fig. 2 and 24); 41 (being the grate plate of compartment); 42 (being the stock grading expansion chamber); 43 (being partition panel); 44 (are be material transition chute by the ventilating duct that many five equilibriums lifting blade is partitioned into); 45 (being the magazine of getting of entire body outside); 46 (being fixed seal closure); The 47th, with the connector of getting the material pipe of 23 among Fig. 2; 48 (being the guide cone); 49 (being next grinding storehouse).
Fig. 4: the cutaway view that is Fig. 3 A-A; Among the figure 44 (be material transition chute by the ventilating duct that many five equilibriums lifting blade is partitioned into); 51 (being lifting blade); 39 (being grinding mill barrel); 51 (being the material taking hole of equal portion on the cylindrical shell circumference); 52 (being the outside ventilating duct of getting equal portion on the magazine of entire body); 53 (being dividing plate between the ventilating duct); 54 (being annular passage); 55 (being the ventilating duct dividing plate); The 47th, expect that with the getting of (23) among Fig. 2 pipe is connected.
Claims (1)
1. the rotating cylinder of the micron mill of said a kind of grinding lump material all grinds cracking cabin by two to four and forms; Material in the storehouse moves in the storehouse from preceding storehouse in cylindrical shell backward; Behind the every grinding of material through a storehouse; All some meets the finished product generation of fineness requirement, extracts timely in order to make this a part of material, does not get into next storehouse and produces the grinding phenomenon.A kind of repeatedly finished product materials extractive technique of micron mill is characterised in that:
1. the afterbody of each grinding storehouse in the storehouse of the front of micron mill except afterbody grinding storehouse can be provided with the partition device for barn that finished product materials is extracted, and is material transition chute by the ventilating duct that is partitioned at a distance from chamber grating, partition panel, many five equilibriums lifting blade respectively; The cylindrical shell circumferencial direction is provided with equally distributed material taking hole, is the magazine that goes out that grinding mill barrel radial outside circumferencial direction is welded with the Double-layer flange shape at the position of material taking hole; The outside that goes out magazine is equipped with the discharging cover; The top is provided with an air outlet above the discharging cover; Last air outlet connection air draught is got pipe material and is connected with the external equipment deduster again, here is extracted in the deduster through the finished product materials behind the grinding of preceding storehouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106234531A CN102698840A (en) | 2010-12-29 | 2010-12-29 | Multi-point powder-taking grinding technology of micro powder tube mill |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106234531A CN102698840A (en) | 2010-12-29 | 2010-12-29 | Multi-point powder-taking grinding technology of micro powder tube mill |
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| CN102698840A true CN102698840A (en) | 2012-10-03 |
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| CN2010106234531A Pending CN102698840A (en) | 2010-12-29 | 2010-12-29 | Multi-point powder-taking grinding technology of micro powder tube mill |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR354874A (en) * | 1905-06-02 | 1905-10-17 | Povl Theodor Lindhard | Separator drum |
| GB191006464A (en) * | 1910-03-15 | 1910-07-21 | Joseph Elliott Kennedy | Improvements in Combined Ball and Tube Mills. |
| FR562235A (en) * | 1922-04-08 | 1923-11-07 | Ch Candlot Ets | Further training in crushers |
| US1591941A (en) * | 1921-06-09 | 1926-07-06 | Allis Chalmers Mfg Co | Comminuting mill |
| US1710659A (en) * | 1928-03-12 | 1929-04-23 | Allis Chalmers Mfg Co | Comminuting mill |
| CN2192382Y (en) * | 1994-03-24 | 1995-03-22 | 孔庆山 | Whirlwind choosen powder type tube mill with efficient and energy-saving |
| CN2225303Y (en) * | 1995-01-01 | 1996-04-24 | 吉源 | Labyrinth type ball mill |
-
2010
- 2010-12-29 CN CN2010106234531A patent/CN102698840A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR354874A (en) * | 1905-06-02 | 1905-10-17 | Povl Theodor Lindhard | Separator drum |
| GB191006464A (en) * | 1910-03-15 | 1910-07-21 | Joseph Elliott Kennedy | Improvements in Combined Ball and Tube Mills. |
| US1591941A (en) * | 1921-06-09 | 1926-07-06 | Allis Chalmers Mfg Co | Comminuting mill |
| FR562235A (en) * | 1922-04-08 | 1923-11-07 | Ch Candlot Ets | Further training in crushers |
| US1710659A (en) * | 1928-03-12 | 1929-04-23 | Allis Chalmers Mfg Co | Comminuting mill |
| CN2192382Y (en) * | 1994-03-24 | 1995-03-22 | 孔庆山 | Whirlwind choosen powder type tube mill with efficient and energy-saving |
| CN2225303Y (en) * | 1995-01-01 | 1996-04-24 | 吉源 | Labyrinth type ball mill |
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Application publication date: 20121003 |