CN104874461A - Superfine powder production line and production process - Google Patents
Superfine powder production line and production process Download PDFInfo
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- CN104874461A CN104874461A CN201510294405.5A CN201510294405A CN104874461A CN 104874461 A CN104874461 A CN 104874461A CN 201510294405 A CN201510294405 A CN 201510294405A CN 104874461 A CN104874461 A CN 104874461A
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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
- B02C21/00—Disintegrating plant with or without drying of the material
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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
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/08—Mills with balls or rollers centrifugally forced against the inner surface of a ring, the balls or rollers of which are driven by a centrally arranged member
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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
- B02C19/06—Jet mills
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cyclones (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention provides a superfine powder production line and production process. The superfine powder production line comprises a Raymond mill (1), wherein the Raymond mill (1) is connected with a first cyclone crusher (3) through a discharge device (2), the first cyclone crusher (3) is connected with a second cyclone crusher (5) through a crusher discharge pipe (4), the second cyclone crusher (5) is connected with a first cyclone dust collector (7) through a first connecting pipe (6), the first cyclone dust collector (7) is connected with a second cyclone dust collector (9) through a dust collector discharge pipe (8), the second cyclone dust collector (9) is connected with a cloth bag dust collector (11) through a second connecting pipe (10), and the second cyclone dust collector (9) is connected with a high-pressure centrifugal fan (12). The superfine powder production line is simple in process flow, low in equipment cost, and capable of flexibly controlling intermediate product particle size and increasing production efficiency.
Description
Technical field
The present invention relates to a kind of production line and technique of powder processing industry, particularly a kind of superfine powder production line and production technology.
Background technology
Superfine powder is very extensive in industrial circle application, and it can be used to add acceleration of sintering in normal granulometry powder to as structural material, reduces sintering temperature; Also can be used to preparing granular dispersion strengthening type alloy, prepare ultra-fine hole gas separation membrane, electrolysis electrode, ultralow temperature heat exchanger etc.Superfine powder can be used as functional material the intermediate materials etc. that magnetic recording material, magnetic fluid, sensor material, catalyst and diffusion be connected.The production technology of current superfine powder mainly, Raw material processing is become meal by the Raymond mill on production line, meal is separated for the first time through cyclone, then carries out through bagroom the meal that secondary separation obtains particle diameter needed for next production link, and namely this meal is deep processing raw material; Deep processing raw material is proceeded next link to produce, the ball mill specifically deep processing raw material being sent into another production line carries out deep processing, fine powder is obtained after deep processing, fine powder is sent into cyclone be separated for the first time, after separation, the large fine powder of particle diameter through sorting settling at integrator, what particle diameter was little is superfine powder, superfine powder enters bagroom and carries out secondary separation under airflow function, secondary separation is that solid and gas is separated, and after separation, gas is discharged with air outlet, solid and superfine powder are collected through dust deposited case, and the superfine powder that dust deposited case is collected is finished product.Mainly there is following shortcoming in current superfine powder production technology: 1) production technology is completed by two production lines, and technological process is complicated; 2) conventional bead mill production superfine powder, required equipment cost is high; 3), in production link, the particle diameter of the intermediate product (meal, fine powder) of production can not control flexibly, affects quality and the production efficiency of finished product.
Summary of the invention
The object of the invention is to, a kind of superfine powder production line and production technology are provided.It is simple that the present invention has technological process, and equipment cost is low, can control the particle diameter of intermediate product flexibly, the feature of enhancing productivity.
Technical scheme of the present invention: a kind of superfine powder production line, comprise Raymond mill, Raymond mill is connected with the first eddy flow disintegrating machine through drawing mechanism, first eddy flow disintegrating machine is connected with the second eddy flow disintegrating machine through disintegrating machine discharge nozzle, second eddy flow disintegrating machine is through the first tube connector and the first cyclone, first cyclone is connected with the second cyclone through dust arrester discharge nozzle, and the second cyclone is connected with bagroom through the second tube connector, and bagroom is connected with centrifugal high pressure fan.
In aforesaid superfine powder production line, described drawing mechanism comprises dust gathering arrester, and dust gathering arrester is connected with dust gathering arrester adjusting device, and dust gathering arrester adjusting device is connected with Raymond mill discharge nozzle; Described dust gathering arrester adjusting device comprises dust leg, dust leg upper end is connected with bellows lower end, dust leg is also provided with flange, flange is provided with feed screw nut, feed screw nut is other is provided with fairlead, and fairlead is connected with lead, and feed screw nut is connected with leading screw, the upper end of leading screw is provided with synchronizing wheel, and synchronizing wheel is connected with motor through Timing Belt; Described dust leg lower end is connected with dust gathering arrester; The upper end of described bellows is connected with Raymond mill discharge nozzle; Described leading screw is all connected with the upper end of Raymond mill with the lower end of lead.
In aforesaid superfine powder production line, the first described cyclone is provided with the first dust leg adjusting device, and the first dust leg adjusting device is connected with the second cyclone through dust arrester discharge nozzle; The first described dust leg adjusting device comprises the first dust leg; The second described cyclone is provided with the second dust leg adjusting device, and the second dust leg adjusting device is connected with bagroom through the second tube connector; The second described dust leg adjusting device comprises the second dust leg; The first described dust leg adjusting device is all identical with the structure of dust gathering arrester adjusting device with the structure of the second dust leg adjusting device.
The production technology of aforesaid superfine powder production line is:
A, raw material are 100-200 object meal through Raymond mill, obtain A product, meanwhile, open centrifugal high pressure fan, and make whole production line form negative-pressure air-flow, A product, under airflow function, are transported to the first eddy flow disintegrating machine through drawing mechanism;
B, A product carry out secondary pulverizing in the first eddy flow disintegrating machine, obtain secondary fine powder, obtain B product, and B product, under airflow function, are transported to the second eddy flow disintegrating machine through disintegrating machine discharge nozzle;
C, B product carry out three grades of pulverizing in the second eddy flow disintegrating machine, obtain three grades of fine powders, obtain C product, and C product, under airflow function, are transported to the first cyclone through the first tube connector;
D, C product are separated in the first cyclone, and after separation, obtain three grades of fine powders that particle diameter is D95≤10 μm, obtain as D product, D product, under airflow function, are transported to the second cyclone through dust arrester discharge nozzle;
E, D product carry out secondary separation in the second cyclone, and after secondary separation, obtain three grades of fine powders that particle diameter is D97≤10 μm, obtain E product, E product, under airflow function, are transported to bagroom through the second tube connector;
F, E product in bagroom with being separated completely of air-flow, wherein air-flow is discharged by air outlet, and three grades of fine powders are collected through dust deposited case, and three grades of fine powders in dust deposited case are produced super fine powder.
In the step a described in production technology of aforesaid superfine powder production line, in Raymond mill, regulate the position of dust gathering arrester in Raymond mill through dust gathering arrester adjusting device, make meal order numerical control in A product between 100-200 order.
In the production technology of aforesaid superfine powder production line, the regulative mode of described dust gathering arrester adjusting device is, starter motor, motor drives synchronizing wheel to rotate through Timing Belt, drive screw turns simultaneously, the rotating band of leading screw is moved feed screw nut and is moved up and down, thus drives dust leg and dust gathering arrester to move up and down through flange.
In the D product of the steps d described in production technology of aforesaid superfine powder production line, in the first cyclone, regulate the first position of the dust leg mouth of pipe in the first cyclone through the first dust leg adjusting device, make the size controlling of D product in D95≤10 μm; In the E product of described step e, in the second cyclone, regulate the second position of the dust leg mouth of pipe in the second cyclone through the second dust leg adjusting device, make the size controlling of E product in D97≤10 μm; The first described dust leg adjusting device is all identical with the regulative mode of dust gathering arrester adjusting device with the regulative mode of the second dust leg adjusting device.
Compared with prior art, the meal that Raymond mill is produced is delivered directly in eddy flow disintegrating machine and again pulverizes by the present invention, eliminate the process procedure that the meal of Raymond mill production is separated, is collected, effectively simplify technological process, make technological process simpler.Raymond mill is connected with eddy flow disintegrating machine by the present invention, and eddy flow disintegrating machine is connected with cyclone, and cyclone is connected with bagroom, and bagroom is connected with centrifugal high pressure fan; Compared with conventional bead mill production superfine powder, two production lines are produced and are merged into a production line by the present invention, save the equipment set of the meal for collecting Raymond mill processing, namely save a set of cyclone, bagroom and centrifugal high pressure fan, effectively reduce apparatus for production line input cost.But, if be single being merged by two production lines, because of the meal in Raymond mill, its particle diameter can not accurately control, when the meal (particle diameter is less than 100 object meal) making particle diameter large enters in eddy flow disintegrating machine and carries out secondary pulverizing and three grades of pulverizing, the three grades of fine powder bads obtained, namely in three grades of fine powders, the fine powder content of Large stone is too high, simultaneously, the particle diameter of three grades of fine powders in cyclone can not accurately control, make the three grades of fine powder bads entering bagroom, finally affect quality and the production efficiency of finished product superfine powder, research finds, powder (meal, fine powder) in the cavity of Raymond mill and cyclone, its particle diameter is different, and the position of distribution is not identical yet, the bottom being distributed in cavity that specifically powder particle size is large under gravity, the top of what material particular diameter was little be distributed in cavity, the present invention regulates the position of dust gathering arrester in Raymond mill cavity to obtain the meal (meal order number is 100-200 order) of required order number by dust gathering arrester adjusting device, the position of the first dust leg mouth of pipe in the first cyclone cluster dust arrester is regulated by the first dust leg adjusting device, make its fine powder sucking required particle diameter (D95≤10 μm), fine powder enters the second cyclone through airflow function again, the position of the second dust leg mouth of pipe in the second cyclone cluster dust arrester is regulated by the second dust leg adjusting device, make its superfine powder sucking required particle diameter (D97≤10 μm), superfine powder enters into bagroom through airflow function again and carries out solid and gas separation, the solid product (superfine powder) obtained after separation is finished product, according to the particle diameter of need of production flexible modulation intermediate product (meal, fine powder), quality and the production efficiency of finished product (superfine powder) can be ensure that by above-mentioned regulative mode, moreover, two production lines are merged into a production line by the present invention, eliminate middle transit link, shorten the production cycle, further increase production efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation at the A place of Fig. 1;
Fig. 3 is the structural representation of dust gathering arrester adjusting device.
Being labeled as in accompanying drawing: 1-Raymond mill, 2-drawing mechanism, 3-disintegrating machine, 4-disintegrating machine discharge nozzle, 5-second eddy flow disintegrating machine, 6-first tube connector, 7-first cyclone, 8-dust arrester discharge nozzle, 9-second cyclone, 10-second tube connector, 11-bagroom, 12-centrifugal high pressure fan, 13-dust gathering arrester, 14-dust gathering arrester adjusting device, 15-Raymond mill discharge nozzle, 16-dust leg, 17-bellows, 18-flange, 19-feed screw nut, 20-fairlead, 21-leading screw, 22-lead, 23-synchronizing wheel, 24-Timing Belt, 25-motor, 26-first dust leg adjusting device, 27-second dust leg adjusting device, 28-first dust-exhausting port, 29-second dust-exhausting port, 30-air outlet, 31-dust deposited case, 32-first dust leg, 33-second dust leg.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated, but not as the foundation limited the present invention.
Embodiment.A kind of superfine powder production line, form as Figure 1-3, comprise Raymond mill 1, Raymond mill 1 is connected with the first eddy flow disintegrating machine 3 through drawing mechanism 2, first eddy flow disintegrating machine 3 is connected with the second eddy flow disintegrating machine 5 through disintegrating machine discharge nozzle 4, second eddy flow disintegrating machine 5 is through the first tube connector 6 and the first cyclone 7, first cyclone 7 is connected with the second cyclone 9 through dust arrester discharge nozzle 8, second cyclone 9 is connected with bagroom 11 through the second tube connector 10, and bagroom 11 is connected with centrifugal high pressure fan 12.
Aforesaid drawing mechanism 2 comprises dust gathering arrester 13, and dust gathering arrester 13 is connected with dust gathering arrester adjusting device 14, and dust gathering arrester adjusting device 14 is connected with Raymond mill discharge nozzle 15; Described dust gathering arrester adjusting device 14 comprises dust leg 16, dust leg 16 upper end is connected with bellows 17 lower end, dust leg 16 is also provided with flange 18, flange 18 is provided with feed screw nut 19, feed screw nut 19 is other is provided with fairlead 20, and fairlead 20 is connected with lead 22, and feed screw nut 19 is connected with leading screw 21, the upper end of leading screw 21 is provided with synchronizing wheel 23, and synchronizing wheel 23 is connected with motor 25 through Timing Belt 24; Described dust leg 16 lower end is connected with dust gathering arrester 13; The upper end of described bellows 17 is connected with Raymond mill discharge nozzle 15; Described leading screw 21 is all connected with the upper end of Raymond mill 1 with the lower end of lead 22.
Aforesaid first cyclone 7 is provided with the first dust leg adjusting device 26, first dust leg adjusting device 26 and is connected with the second cyclone 9 through dust arrester discharge nozzle 8; The first described dust leg adjusting device 26 comprises the first dust leg 32; The second described cyclone 9 is provided with the second dust leg adjusting device 27, second dust leg adjusting device 27 and is connected with bagroom 11 through the second tube connector 10; The second described dust leg adjusting device 27 comprises the second dust leg 33; The first described dust leg adjusting device 26 is all identical with the structure of dust gathering arrester adjusting device 14 with the structure of the second dust leg adjusting device 27.
The production technology of aforesaid superfine powder production line is, prepares in the steps below:
A, raw material are pulverized as 100-200 object meal through Raymond mill 1, obtain A product, meanwhile, open centrifugal high pressure fan 12, and make whole production line form negative-pressure air-flow, A product, under airflow function, are transported to the first eddy flow disintegrating machine 3 through drawing mechanism 2;
B, A product carry out secondary pulverizing in the first eddy flow disintegrating machine 3, obtain secondary fine powder, obtain B product, and B product, under airflow function, are transported to the second eddy flow disintegrating machine 5 through disintegrating machine discharge nozzle 4;
C, B product carry out three grades of pulverizing in the second eddy flow disintegrating machine 5, obtain three grades of fine powders, obtain C product, and C product, under airflow function, are transported to the first cyclone 7 through the first tube connector 6;
D, C product are separated in the first cyclone 7, and after separation, obtain three grades of fine powders that particle diameter is D95≤10 μm, obtain as D product, D product, under airflow function, are transported to the second cyclone 9 through dust arrester discharge nozzle 8; Three grades of fine powders that particle diameter is large are discharged through the first dust-exhausting port 28, and three grades of fine powders of discharge are fed to the second eddy flow disintegrating machine 5 to be continued to pulverize;
E, D product carry out secondary separation in the second cyclone 9, and after secondary separation, obtain three grades of fine powders that particle diameter is D97≤10 μm, obtain E product, E product, under airflow function, are transported to bagroom 11 through the second tube connector 10; Three grades of fine powders that particle diameter is larger are discharged through the second dust-exhausting port 29 again, and three grades of fine powders of discharge are fed to the second eddy flow disintegrating machine 5 to be continued to pulverize;
F, E product in bagroom 11 with being separated completely of air-flow, wherein air-flow is discharged by air outlet 30, and three grades of fine powders are collected through dust deposited case 31, and three grades of fine powders in dust deposited case 31 are produced super fine powder.
In aforesaid step a, in Raymond mill 1, regulate the position of dust gathering arrester 13 in Raymond mill 1 through dust gathering arrester adjusting device 14, make meal order numerical control in A product between 100-200 order.
The regulative mode of aforesaid dust gathering arrester adjusting device 14 is, starter motor 25, motor 25 drives synchronizing wheel 23 to rotate through Timing Belt 24, drives leading screw 21 to rotate simultaneously, the rotating band of leading screw 21 is moved feed screw nut 19 and is moved up and down, thus drives dust leg 16 and dust gathering arrester 13 to move up and down through flange 18.
In the D product of aforesaid steps d, in the first cyclone 7, regulate the first position of dust leg 32 mouth of pipe in the first cyclone 7 through the first dust leg adjusting device 26, make the size controlling of D product in D95≤10 μm; In the E product of described step e, in the second cyclone 9, regulate the second position of dust leg 33 mouth of pipe in the second cyclone 9 through the second dust leg adjusting device 27, make the size controlling of E product in D97≤10 μm; The first described dust leg adjusting device 26 is all identical with the regulative mode of dust gathering arrester adjusting device 14 with the regulative mode of the second dust leg adjusting device 27.
The implication of aforesaid D95≤10 μm is: in powder, and the particle diameter of the powder of 95% is less than or equal to 10 μm; The implication of aforesaid D97≤10 μm is: in powder, and the particle diameter of the powder of 97% is less than or equal to 10 μm.
Claims (7)
1. a superfine powder production line, it is characterized in that: comprise Raymond mill (1), Raymond mill (1) is connected with the first eddy flow disintegrating machine (3) through drawing mechanism (2), first eddy flow disintegrating machine (3) is connected with the second eddy flow disintegrating machine (5) through disintegrating machine discharge nozzle (4), second eddy flow disintegrating machine (5) is through the first tube connector (6) and the first cyclone (7), first cyclone (7) is connected with the second cyclone (9) through dust arrester discharge nozzle (8), second cyclone (9) is connected with bagroom (11) through the second tube connector (10), bagroom (11) is connected with centrifugal high pressure fan (12).
2. superfine powder production line according to claim 1, it is characterized in that: described drawing mechanism (2) comprises dust gathering arrester (13), dust gathering arrester (13) is connected with dust gathering arrester adjusting device (14), and dust gathering arrester adjusting device (14) is connected with Raymond mill discharge nozzle (15); Described dust gathering arrester adjusting device (14) comprises dust leg (16), dust leg (16) upper end is connected with bellows (17) lower end, dust leg (16) is also provided with flange (18), flange (18) is provided with feed screw nut (19), feed screw nut (19) is other is provided with fairlead (20), fairlead (20) is connected with lead (22), feed screw nut (19) is connected with leading screw (21), the upper end of leading screw (21) is provided with synchronizing wheel (23), and synchronizing wheel (23) is connected with motor (25) through Timing Belt (24); Described dust leg (16) lower end is connected with dust gathering arrester (13); The upper end of described bellows (17) is connected with Raymond mill discharge nozzle (15); Described leading screw (21) is all connected with the upper end of Raymond mill (1) with the lower end of lead (22).
3. superfine powder production line according to claim 1, it is characterized in that: described the first cyclone (7) is provided with the first dust leg adjusting device (26), the first dust leg adjusting device (26) is connected with the second cyclone (9) through dust arrester discharge nozzle (8); The first described dust leg adjusting device (26) comprises the first dust leg (32); Described the second cyclone (9) is provided with the second dust leg adjusting device (27), and the second dust leg adjusting device (27) is connected with bagroom (11) through the second tube connector (10); The second described dust leg adjusting device (27) comprises the second dust leg (33); The first described dust leg adjusting device (26) is all identical with the structure of dust gathering arrester adjusting device (14) with the structure of the second dust leg adjusting device (27).
4. the production technology of the superfine powder production line as described in any one of claim 1-3, is characterized in that: prepare in the steps below,
A, raw material are pulverized as 100-200 object meal through Raymond mill (1), obtain A product, meanwhile, open centrifugal high pressure fan (12), and make whole production line form negative-pressure air-flow, A product, under airflow function, are transported to the first eddy flow disintegrating machine (3) through drawing mechanism (2);
B, A product carry out secondary pulverizing in the first eddy flow disintegrating machine (3), obtain secondary fine powder, obtain B product, and B product are transported to the second eddy flow disintegrating machine (5) through disintegrating machine discharge nozzle (4);
C, B product carry out three grades of pulverizing in the second eddy flow disintegrating machine (5), obtain three grades of fine powders, obtain C product, and C product are transported to the first cyclone (7) through the first tube connector (6);
D, C product are separated in the first cyclone (7), and after separation, obtain three grades of fine powders that particle diameter is D95≤10 μm, obtain as D product, D product are transported to the second cyclone (9) through dust arrester discharge nozzle (8);
E, D product carry out secondary separation in the second cyclone (9), and after secondary separation, obtain three grades of fine powders that particle diameter is D97≤10 μm, obtain E product, E product are transported to bagroom (11) through the second tube connector (10);
F, E product in bagroom (11) with being separated completely of air-flow, wherein air-flow is discharged by air outlet (30), and three grades of fine powders are collected through dust deposited case (31), and three grades of fine powders in dust deposited case (31) are produced super fine powder.
5. the production technology of superfine powder production line as claimed in claim 4, it is characterized in that: in described step a, in Raymond mill (1), regulate dust gathering arrester (13) position in Raymond mill (1) through dust gathering arrester adjusting device (14), make meal order numerical control in A product between 100-200 order.
6. the production technology of superfine powder production line as claimed in claim 5, it is characterized in that: the regulative mode of described dust gathering arrester adjusting device (14) is, starter motor (25), motor (25) drives synchronizing wheel (23) to rotate through Timing Belt (24), drive leading screw (21) to rotate simultaneously, the rotating band of leading screw (21) is moved feed screw nut (19) and is moved up and down, thus drives dust leg (16) and dust gathering arrester (13) to move up and down through flange (18).
7. the production technology of superfine powder production line as claimed in claim 4, it is characterized in that: in the D product of described steps d, in the first cyclone (7), regulate the position of the first dust leg (32) mouth of pipe in the first cyclone (7) through the first dust leg adjusting device (26), make the size controlling of D product in D95≤10 μm; In the E product of described step e, in the second cyclone (9), regulate the position of the second dust leg (33) mouth of pipe in the second cyclone (9) through the second dust leg adjusting device (27), make the size controlling of E product in D97≤10 μm; The first described dust leg adjusting device (26) is all identical with the regulative mode of dust gathering arrester adjusting device (14) with the regulative mode of the second dust leg adjusting device (27).
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| CN201510294405.5A CN104874461A (en) | 2015-06-02 | 2015-06-02 | Superfine powder production line and production process |
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| CN201510294405.5A CN104874461A (en) | 2015-06-02 | 2015-06-02 | Superfine powder production line and production process |
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Application publication date: 20150902 |