CN203816746U - Multi-flow-state adjustable efficient powder sorting device for vertical roll mill - Google Patents
Multi-flow-state adjustable efficient powder sorting device for vertical roll mill Download PDFInfo
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- CN203816746U CN203816746U CN201420004605.3U CN201420004605U CN203816746U CN 203816746 U CN203816746 U CN 203816746U CN 201420004605 U CN201420004605 U CN 201420004605U CN 203816746 U CN203816746 U CN 203816746U
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- pin tooth
- guide vane
- vertical roll
- selection device
- regulating
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- 239000000843 powder Substances 0.000 title claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000003801 milling Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model discloses a multi-flow-state adjustable efficient powder sorting device for a vertical roll mill. The multi-flow-state adjustable efficient powder sorting device for the vertical roll mill comprises a shell (16), a shell upper cover (11) and a drive support (8), wherein the upper part of the shell (16) is provided with a charge pipe (3), and the side surface of the shell (16) is provided with a fine powder outlet pipeline (1), and the lower part of the shell (16) is provided with a discharge pipe (15); the outer diameter of the charge pipe (3) is sleeved with a main shaft sleeve (4) by a bearing seat (2) installed on the upper part of the shell (16); the upper part of the main shaft sleeve (4) is provided with a large belt wheel (5); and the large belt wheel (5) is linked with a frequency-conversion speed-adjusting rotor drive mechanism (7) installed on the drive support (8) by a triangle belt (6). The multi-flow-state adjustable efficient powder sorting device for the vertical roll mill is characterized in that the main shaft sleeve (4) and three-level rotary angel adjustable guide vanes installed in the shell (16) form a multi-flow-state adjustable mechanism by rotor assembly (20) which is connected with a connecting disc (9) and is provided with interval-variable dip-angle-variable vanes, so that a special milling technology which accurately controls the finished product grain composition and grain morphology is realized.
Description
Technical field
A multithread state adjustable high-efficiency powder selection device for vertical roll grinder, belongs to mine, electric power, building materials, cement industry grinding machine apparatus field, is specifically related to a kind of powder selection device of vertical roll grinder.
Background technology
At present, ultra-fine grinding and classifying equipoment, technique, differential particle size measurement etc. are required more and more highlyer both at home and abroad, the process unit in this field is developed rapidly.But finished product powder grain shape and grating also be can not get to effective control, had a strong impact on and selected powder precision and grinding efficiency, make to select the output of separating device and quality to can not get effective raising.
Summary of the invention
The technical solution adopted for the present invention to solve the technical problems is: multithread state adjustable high-efficiency powder selection device for a kind of vertical roll grinder, comprise housing and case top lid and transmission bracket, housing top is provided with feed pipe, side is provided with fine powder outlet conduit, bottom is provided with tremie pipe, collar bush is contained on the external diameter of feed pipe by being arranged on the bearing sleeve on housing top, big belt pulley is installed on collar bush top, big belt pulley connects with the variable-frequency control rotor transmission mechanism being arranged in transmission bracket by V belt, it is characterized in that: the multithread state adjustable mechanism that the guide vane of three grades of capable of regulating corners installing in the rotor assembly with change spacing change inclination angle blade that collar bush connects by terminal pad and housing forms, realize the special grinding process of accurately controlling finished product grain composition and granule-morphology.
Described rotor assembly becomes the cage rotor of inclination angle blade for becoming spacing, be divided into up and down three layers, and the quantity of ground floor blade at most and be 15< with the ray that draw in the center of circle
<25 ° of angle layout, the negligible amounts of second layer blade, than the few 15%-25% of ground floor blade quantity, and is 8 ° of < with the ray that draw in the center of circle
<15 ° of angle arranged, the minimum number of the 3rd layer of blade, and than the few 25%-45% of ground floor blade quantity, and the ray that draw in the center of circle is arranged in parallel,
=0.
The guide vane of described three grades of capable of regulating corners, comprise that one-level guide vane is arranged in housing by the rotating shaft connecting with pin tooth transmission mechanism, secondary guide vane and three grades of guide vanes connect with the support of tremie pipe upper end by the axle of lower end respectively, and the axle of secondary guide vane and three grades of guide vane upper ends connects with jointed gear unit through case top lid respectively.
Described pin tooth transmission mechanism comprises pin tooth frame and the trim ring being sleeved on housing external diameter, on the circumference of pin tooth frame outer ring, vertical has been installed a plurality of pin tooth I, and the gear I engagement of the output shaft end of the motor of installing with electric machine support, border, the bottom level of pin tooth frame has been installed many groups pin tooth II, and meshes with the gear II that is arranged on roller end.
Described a plurality of pin tooth I, is the maximum rotation angle of the one-level guide vane that connects by rotating shaft according to gear II, and the hard-over that definite pin tooth frame rotates and the number of teeth of the pin tooth I that arranges.
Described many group pin tooth II are according to the number of one-level guide vane and definite group number.
The adjustment of described secondary guide vane and three grades of guide vane corners, is according to the desired finished particle grating of powder selection device and granule-morphology, adjusts respectively secondary guide vane by jointed gear unit
corner and three grades of guide vanes
corner, realize the selective separation process requirement of powder selection device.
Compared with prior art, a kind of vertical roll grinder of the present invention with the beneficial effect that multithread state adjustable high-efficiency powder selection device has is:
1, owing to adopting, become the spacing change rotor assembly at inclination angle and the specific combination structure of three grades of guide vanes, make rotor assembly rotate formed pressure Rotary District flow field stable, classification power is strong, and classification is rapid.
2, by the reasonable combination of three grades of guide vanes, can not only improve airflow uniform distribution effect, and can rationally regulate guide vane spacing, reduce the flowing velocity of dust-contained airflow in guide vane gap, reduce the wearing and tearing of rotor assembly blade.
3, compare the reasonable adjusting of the spacing of guide vane with traditional grading plant, making guiding area divide section to be step distributes, in addition dust-contained airflow is transitioned into gradually spiral by initial vertical lifting and to level of approximation, enters this process of rotor assembly cutting classification that spacing becomes inclination angle that becomes again, the fluidised form of dust-contained airflow, concentration step distributes and occurs repeatedly to change, in addition centrifugal force, gravity, the comprehensive utilization of medium fluid adhesion and floating force, cause the dust of variable grain according to different movement locus motions, now only need can realize the special grinding process requirement of accurate control finished product grain composition and granule-morphology by adjusting the angle of guide vanes at different levels and the rotating speed of rotor assembly.
Accompanying drawing explanation:
Fig. 1 is the structural representation of multithread state adjustable high-efficiency powder selection device for a kind of vertical roll grinder of the present invention.
Fig. 2 is the structural representation of three grades of guide vanes of multithread state adjustable high-efficiency powder selection device for a kind of vertical roll grinder of the present invention.
Fig. 3 is the structural representation of the rotor assembly of multithread state adjustable high-efficiency powder selection device for a kind of vertical roll grinder of the present invention.
Fig. 4 is the partial enlarged drawing of the structural representation of three grades of guide vanes of multithread state adjustable high-efficiency powder selection device for a kind of vertical roll grinder of Fig. 2 the present invention.
Fig. 5 is the pin tooth transmission mechanism schematic diagram of the one-level guide vane of multithread state adjustable high-efficiency powder selection device for a kind of vertical roll grinder of the present invention.
Wherein: 1, fine powder outlet conduit 2, bearing block 3, feed pipe 4, collar bush 5, big belt pulley 6, V belt 7, variable-frequency control rotor transmission mechanism 8, transmission bracket 9, terminal pad 10, jointed gear unit 11, case top lid 12, pin tooth transmission mechanism 13, rotating shaft 14, support 15, tremie pipe 16, housing 17, one-level guide vane 18, secondary guide vane 19, three grades of guide vanes 20, rotor assembly 21, ground floor blade 22, second layer blade 23, the 3rd layer of blade 24, trim ring 25, pin tooth frame 26, motor 27, electric machine support 28, gear I 29, pin tooth I 30, pin tooth II 31, gear II.
The specific embodiment:
Fig. 1 ~ 5th, the most preferred embodiment of the efficient powder selection device of multithread state capable of regulating for a kind of vertical roll grinder of the present invention, below in conjunction with accompanying drawing 1 ~ 5, the present invention will be further described.
With reference to Fig. 1: the efficient powder selection device of multithread state capable of regulating for a kind of vertical roll grinder, comprise housing 16 and case top lid 11 and transmission bracket 8, housing 16 tops are provided with feed pipe 3, side is provided with fine powder outlet conduit 1, bottom is provided with tremie pipe 15, collar bush 4 is sleeved on the external diameter of feed pipe 3 by being arranged on the bearing block 2 on housing 16 tops, big belt pulley 5 is installed on collar bush 4 tops, big belt pulley 5 connects with the variable-frequency control rotor transmission mechanism 7 being arranged in transmission bracket 8 by V belt 6, it is characterized in that: having that collar bush 4 connects by terminal pad 9 becomes the guide vane composition multithread state adjustable mechanism that spacing becomes the rotor assembly 20 of inclination angle blade and three grades of capable of regulating corners of housing 16 interior installations, realize the special grinding process of accurately controlling finished product grain composition and granule-morphology.
With reference to Fig. 1: the guide vane of described three grades of capable of regulating corners, comprise that one-level guide vane 17 is arranged in housing 16 by the rotating shaft 13 connecting with pin tooth transmission mechanism 12, secondary guide vane 18 and three grades of guide vanes 19 connect with the support 14 of tremie pipe 15 upper ends by the axle of lower end respectively, and the axle of secondary guide vane 18 and three grades of guide vane 19 upper ends connects with jointed gear unit 10 through case top lid 11 respectively.
With reference to Fig. 4: the adjustment of described secondary guide vane 18 and three grades of guide vane 19 corners is according to the desired finished particle grating of powder selection device and granule-morphology, adjusts respectively secondary guide vane 18 by jointed gear unit 10
corner and three grades of guide vanes 19
corner, realize the technological requirement of selecting powder of powder selection device.
With reference to Fig. 3: described rotor assembly 20 becomes the cage rotor of inclination angle blade for becoming spacing, be divided into up and down three layers, the quantity of ground floor blade 21 at most and be 15 ° of < with the ray that draw in the center of circle
<25 ° of angle layout, the negligible amounts of second layer blade 22, than the few 15%-25% of ground floor blade 21 quantity, and is 8 ° of < with the ray that draw in the center of circle
<15 ° of angle arranged, the minimum number of the 3rd layer of blade 23, and than the few 25%-45% of ground floor blade 21 quantity, and the ray that draw in the center of circle is arranged in parallel,
=0.
With reference to Fig. 5: described pin tooth transmission mechanism 12 comprises pin tooth frame 25 and the trim ring 24 being sleeved on housing 16 external diameters, on pin tooth frame 25 outer ring circumference, vertical has been installed a plurality of pin tooth I 29, and gear I 28 engagements of the output shaft end of the motor 26 of installing with electric machine support 27, border, the bottom level of pin tooth frame 25 has been installed many groups pin tooth II 30, and meshes with the gear II 31 that is arranged on rotating shaft 13 ends.
Described a plurality of pin tooth I 29, is the maximum rotation angle of the one-level guide vane 17 that connects by rotating shaft 13 according to gear II 31, and the hard-over that definite pin tooth frame 25 rotates and the number of teeth of the pin tooth I 29 that arranges.
Described many group pin tooth II 30 are according to the number of one-level guide vane 17 and definite group number.
Operation principle and the course of work are as follows:
From dust-contained airflow comparatively disorderly in mill chamber, after the rectification of first order guide vane, can obtain comparatively level and smooth spiralling laminar flow, in this process, larger particle and the cluster of grains aggressiveness that condenses together are just because running into first order guide vane awing, lose kinetic energy and be deposited in grinding machine cavity, then returning mill and continue grinding; Ash-laden gas after second, third grade of guide vane rectification fails to be convened for lack of a quorum and obtains more level and smooth spiralling laminar flow subsequently, comparing helical angle with the first order obviously diminishes, in this process, further the particle compared with large is run into second, third grade of guide vane awing with the cluster of grains aggressiveness condensing together and lose kinetic energy and be deposited in tremie pipe, then return mill and continue grinding; Dust-contained airflow after three grades of guide vane rectifications just obtains very level and smooth level of approximation laminar flow, and for next step rotor that becomes inclination angle by becoming spacing, to carry out high-effective classifying ready.Owing to comparing the spacing of guide vane with traditional classifying equipoment, strengthen in this course simultaneously, water conservancy diversion regional compartmentalization section is step and distributes, each water conservancy diversion peak width is different, in addition dust-contained airflow is transitioned into gradually spiral by initial vertical lifting and to level of approximation, enters and become the rotor assembly that spacing becomes inclination angle and cut this process of classification again, the fluidised form of dust-contained airflow, concentration step distributes and occurs repeatedly to change, in addition centrifugal force, gravity, under the comprehensive function of medium fluid adhesion and floating force, cause the dust granules of variable grain shape according to different movement locus motions, now only need be by adjusting the angle of guide vanes at different levels and the special grinding process requirement that rotor speed can realize accurate control finished product grain composition and granule-morphology.
Claims (7)
1.
?the efficient powder selection device of multithread state capable of regulating for a kind of vertical roll grinder, comprise housing (16) and case top lid (11) and transmission bracket (8), housing (16) top is provided with feed pipe (3), side is provided with fine powder outlet conduit (1), bottom is provided with tremie pipe (15), collar bush (4) is sleeved on the external diameter of feed pipe (3) by being arranged on the bearing block (2) on housing (16) top, big belt pulley (5) is installed on collar bush (4) top, big belt pulley (5) connects with the variable-frequency control rotor transmission mechanism (7) being arranged in transmission bracket (8) by V belt (6), it is characterized in that: the guide vane of three grades of capable of regulating corners installing in the rotor assembly (20) with change spacing change inclination angle blade that collar bush (4) connects by terminal pad (9) and housing (16) forms multithread state adjustable mechanism.
2.
?the efficient powder selection device of multithread state capable of regulating for a kind of vertical roll grinder according to claim 1, it is characterized in that: the guide vane of described three grades of capable of regulating corners, comprise that one-level guide vane (17) is arranged in housing (16) by the rotating shaft (13) connecting with pin tooth transmission mechanism (12), secondary guide vane (18) and three grades of guide vanes (19) connect with the support (14) of tremie pipe (15) upper end by the axle of lower end respectively, the axle of secondary guide vane (18) and three grades of guide vanes (19) upper end connects with jointed gear unit (10) through case top lid (11) respectively.
3.
?the efficient powder selection device of multithread state capable of regulating for a kind of vertical roll grinder according to claim 2, it is characterized in that: the adjustment of described secondary guide vane (18) and three grades of guide vanes (19) corner, be according to the desired finished particle grating of powder selection device and granule-morphology, by jointed gear unit (10), adjust respectively secondary guide vane (18) α
1corner and three grades of guide vanes (19) α
2corner, realize the technological requirement of selecting powder of powder selection device.
4.
?the efficient powder selection device of multithread state capable of regulating for a kind of vertical roll grinder according to claim 1, it is characterized in that: described rotor assembly (20) becomes the cage rotor of inclination angle blade for becoming spacing, be divided into up and down three layers, the quantity of ground floor blade (21) at most and be 15 ° of < α with the ray that draw in the center of circle
1<25 ° of angle layout, the negligible amounts of second layer blade (22), than the few 15%-25% of ground floor blade (21) quantity, and is 8 ° of < α with the ray that draw in the center of circle
2<15 ° of angle arranged, the minimum number of the 3rd layer of blade (23), and than the few 25%-45% of ground floor blade (21) quantity, and the ray that draw in the center of circle is arranged in parallel, i.e. α
3=0.
5.
?the efficient powder selection device of multithread state capable of regulating for a kind of vertical roll grinder according to claim 2, it is characterized in that: described pin tooth transmission mechanism (12) comprises pin tooth frame (25) and the trim ring (24) being sleeved on housing (16) external diameter, on the circumference of pin tooth frame (25) outer ring, vertical has been installed a plurality of pin tooth I (29), and gear I (28) engagement of the output shaft end of the motor (26) of installing with electric machine support (27), border, the bottom level of pin tooth frame (25) has been installed many groups pin tooth II (30), and mesh with the gear II (31) that is arranged on rotating shaft (13) end.
6.
?the efficient powder selection device of multithread state capable of regulating for a kind of vertical roll grinder according to claim 5, it is characterized in that: described a plurality of pin tooth I (29), the maximum rotation angle of the one-level guide vane (17) that connects by rotating shaft (13) according to gear II (31), and the hard-over that definite pin tooth frame (25) rotates and the number of teeth of the pin tooth I (29) that arranges.
7.
?the efficient powder selection device of multithread state capable of regulating for a kind of vertical roll grinder according to claim 5, is characterized in that: described many group pin tooth II (30) are according to the number of one-level guide vane (17) and definite group number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420004605.3U CN203816746U (en) | 2014-01-06 | 2014-01-06 | Multi-flow-state adjustable efficient powder sorting device for vertical roll mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420004605.3U CN203816746U (en) | 2014-01-06 | 2014-01-06 | Multi-flow-state adjustable efficient powder sorting device for vertical roll mill |
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| Publication Number | Publication Date |
|---|---|
| CN203816746U true CN203816746U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420004605.3U Expired - Lifetime CN203816746U (en) | 2014-01-06 | 2014-01-06 | Multi-flow-state adjustable efficient powder sorting device for vertical roll mill |
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| CN (1) | CN203816746U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590215A (en) * | 2018-12-11 | 2019-04-09 | 江苏羚羊水泥工程技术有限公司 | Multi-stage particle sorting machine |
| CN114728313A (en) * | 2019-11-14 | 2022-07-08 | 胡斯华纳有限公司 | Improved motor control for dust collector |
-
2014
- 2014-01-06 CN CN201420004605.3U patent/CN203816746U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590215A (en) * | 2018-12-11 | 2019-04-09 | 江苏羚羊水泥工程技术有限公司 | Multi-stage particle sorting machine |
| CN109590215B (en) * | 2018-12-11 | 2023-08-25 | 天津艾惟科技有限公司 | Multistage particle sorting machine |
| CN114728313A (en) * | 2019-11-14 | 2022-07-08 | 胡斯华纳有限公司 | Improved motor control for dust collector |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |