CN102350394A - Straight-through type double-support ultra-fine ring roller grinder - Google Patents
Straight-through type double-support ultra-fine ring roller grinder Download PDFInfo
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- CN102350394A CN102350394A CN2011103549924A CN201110354992A CN102350394A CN 102350394 A CN102350394 A CN 102350394A CN 2011103549924 A CN2011103549924 A CN 2011103549924A CN 201110354992 A CN201110354992 A CN 201110354992A CN 102350394 A CN102350394 A CN 102350394A
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- grinding
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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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Abstract
The invention discloses a straight-through type double-support ultra-fine ring roller grinder. The ring roller grinder comprises a grinding host, wherein the host shell of the grinding host is arranged on the a grinding host base; a grinding roller and a grinding ring, which are matched with each other, are arranged in the host shell; the grinding roller is arranged on a grinding roller support, and the grinding roller support is arranged on a main shaft; the lower end of the main shaft is in double-support arrangement through upper and lower bearing positions on a grinding host upper cover and the grinding host base; a negative-pressure gas port is formed on the grinding host base; the grinding ring is directly connected with the host shell in a seamless manner; and the gas port is communicated with a grader conveying pipe outside the grinding host. The grinding host is of a structure of feeding from the top and pumping at the bottom, is not restricted by the grading amount of the grader, and prevents discharge from leaking to the outside, so that more materials can be fed under the same using condition, the grinding efficiency is improved, mechanical collision and friction between the grinding roller and the grinding ring are lightened, and the grinding host has low noise.
Description
(1) technical field:
The present invention relates to a kind of powder process equipment, be specially the ultra-fine ring roller mill of a kind of single flow dual-gripper.
(2) background technology:
The flour mill system of processing is that China is used for the equipment that breeze is pulverized traditionally, uses very extensive.
Powder processing is divided into meal, fine powder and superfine powder processing; All can adopt the Raymond machine system of processing to accomplish like the processing of 60 orders or 400 purpose meal or fine powder; But collect the powder (500 orders～3000 orders even higher) of higher order number; If also adopt Raymond machine processing, then outstanding problems such as the process time of Raymond machine, efficient, vibrations and noise are difficult to solve.Therefore if want to obtain the micro mist of thinner or ultra-fine order number, then need the flour mill of other structural shape promptly to encircle the roller mill.
This type ring roller mill all adopt grader on the abrasive dust main frame structure and constitute a production system with the abrasive dust main frame; Material drops between abrasive dust main frame and grader; Grind the back through the multilayer of main frame ring roller and arrive abrasive dust main frame bottom; Owing to be formed with the gap between host housing and the bull ring; Under the suction function of system; Powder is pumped to the grader classification, and classification residue meal falls into and continues in the abrasive dust main frame to grind.
The negative pressure gas port of system (with atmosphere) is located at abrasive dust main frame bottom and is formed Open architecture; This Open architecture has restricted the output of ultra-fine ring roller mill; Owing to want the negative pressure pumpability of matching system; The injected volume of material is unsuitable excessive; The material injected volume is excessive; The powder that can not in time pump then flows out from abrasive dust main frame bottom and causes waste; And owing to can not throw in too much material; The bed of material between ring roller and the bull ring is thin, causes therefore that the vibrations of abrasive dust main frame are big, noise is high, grinding efficiency is low, output is little, mechanical loss is big.
Moreover; Owing to adopt interposed structure on the grader; The grinding roller frame of said ring roller mill can only adopt single supporting construction; The main shaft support (in the lower position of main shaft) that is the grinding roller frame only is the bearing position on the abrasive dust main frame base; Therefore grinding roller frame rotational stability is not enough, also is to cause the big and high major reason of noise of abrasive dust main frame vibrations.
(3) summary of the invention:
To the weak point of tradition ring roller mill system of processing, the objective of the invention is to design a kind of ultra-fine ring roller mill of single flow dual-gripper many, that output big, material does not run off, the stability of a system is good that drops into.
Can realize the ultra-fine ring roller mill of single flow dual-gripper of above-mentioned purpose; Comprise the abrasive dust main frame; The host housing of said abrasive dust main frame is installed on the main frame base; Grinding roller that matches and bull ring are located in the said host housing; Said grinding roller is installed on the grinding roller frame; The grinding roller frame is installed on the main shaft; Said main shaft lower end is supported through the lower bearing position on the main frame base and is installed; Offer the negative pressure gas port on the said main frame base; Different is said bull ring does not directly have the gap with host housing and installs and is connected said negative pressure gas port connection abrasive dust main frame grader carrier pipe outward.
Operation principle of the present invention is the grader that utilizes the abrasive dust main frame outer, powder to be fractionated is directly carried from (abrasive dust main frame bottom) main frame base, so needn't retention gap between bull ring and the host housing, can realize not having the gap and install and connect.
Because grader is put for the abrasive dust hosted; Host housing top (former grader position) can be provided with supporting mechanism; The upper end of said main shaft can be supported through the upper bearing (metal) position that is provided with on the supporting mechanism and install; Thereby realize the upper and lower bearing position dual-gripper of main shaft; The rotary balance that helps grinding roller, enhanced stability.
Said supporting mechanism is the main frame loam cake that is installed on the host housing.
The setting of said main frame loam cake does not influence the input of material, can on main frame, cover and offer charging aperture, and said charging aperture is communicated with the batch mixing bucket through feed pipe.
For improving abrasive dust efficient, said grinding roller is made as two-layer or multilayer, offers on the said bull ring and two mill roads or many mill roads two-layer or that the multilayer grinding roller is corresponding.
Said grinding roller is three layers, and the ground floor grinding roller is installed on the grinding roller frame, and second, third layer grinding roller is installed on down the grinding roller frame; Article one, the mill road is opened in bull ring, and second, third mill road is opened in down bull ring.
Advantage of the present invention:
1, the present invention) the abrasive dust main frame of the ultra-fine ring roller mill of single flow dual-gripper adopts the top charging; Material after multilayer is ground outside the bottom is transported to machine the structure of grader; Be not subjected to grader classification quantitative limitation; Discharging does not leak outside; So under equal service condition, can throw in more material, can make material bed thicker between grinding roller and the bull ring, improved grinding efficiency; Alleviated between grinding roller and the bull ring mechanical collision and wearing and tearing, so abrasive dust main frame noise is low, mechanical loss is little, output is higher.
2, the bull ring of abrasive dust main frame of the present invention and host housing do not have the gap and install and is connected, have improved the integral rigidity of connection, have prolonged the service life of abrasive dust main frame.
(4) description of drawings:
Fig. 1 is the structural representation of one embodiment of the present invention.
Figure number sign: 1, host housing; 2, main shaft; 3, main frame base; 4, lower bearing position; 5, negative pressure gas port; 6, main frame loam cake; 7, upper bearing (metal) position; 8, feed pipe; 9, grinding roller; 10, go up the grinding roller frame; 11, following grinding roller frame; 12, go up bull ring; 13, following bull ring.
(5) specific embodiment:
Below in conjunction with accompanying drawing technical scheme of the present invention is described further:
The abrasive dust main frame of the ultra-fine ring roller mill of single flow of the present invention comprises host housing 1; Main frame loam cake 6; Main frame base 3; Main shaft 2; Grinding roller 9 and bull ring; On the said host housing 1; Under shed is connected and installed with main frame loam cake 6 and main frame base 3 respectively through flange; Said main shaft 2 vertically places on the central axis of host housing 1; On the main shaft 2; Following two ends are by last; Lower bearing position 7; 4 support installation respectively; On; Lower bearing position 7; 4 centers of being located at main frame loam cake 6 and main frame base 3 respectively; Said grinding roller 9 is installed on the grinding roller frame; The grinding roller frame in host housing 1 through bar shaped key and main shaft 2 coaxial being connected; The outer conical surface of the bull ring corresponding with grinding roller 9 positions cooperates the back fixed installation with the internal conical surface of host housing 1, as shown in Figure 1.
The charging aperture of said abrasive dust main frame is opened on the main frame loam cake 6, and charging aperture splits 7 both sides, upper bearing (metal) position, and two charging apertures are communicated in the batch mixing bucket of abrasive dust main frame top through Y type feed pipe 8; The negative pressure gas port 5 of said abrasive dust main frame is that discharging opening is opened on main frame base 3 sides, and negative pressure gas port 5 is communicated with carrier pipe, and said carrier pipe is communicated with the outer grader of abrasive dust main frame, as shown in Figure 1.
The grinding roller frame is divided into grinding roller frame 10 and following grinding roller frame 11, and last grinding roller frame 10 is installed the equally distributed grinding roller 9 of one deck circumference (ground floor grinding roller 9), and two layers of equally distributed grinding roller 9 of circumference (second, third layer grinding roller 9) are installed on the following grinding roller frame 11; Corresponding with grinding roller 9 positions; Bull ring is divided into bull ring 12 and following bull ring 13; Offering a mill road (article one mill road) on the last bull ring 12 cooperates with the ground floor grinding roller 9 of last grinding roller frame 10; Offer two mill roads (second, third mill road) on the following bull ring 13 and cooperate, as shown in Figure 1 with second, third layer grinding roller 9 of following grinding roller frame 11.
The lower end of said main shaft 2 and connects drive motors through reductor outside main frame base 3 is stretched out in lower bearing position 4.
The course of work of the present invention:
1, electric motor starting, main shaft 2 rotations drive grinding roller 9 and on bull ring, roll.
2, particle passes through the epicoele that main frame loam cake 6 gets into the abrasive dust main frames from the batch mixing bucket by feed pipe 8.
3, particle is after article one, second and the 3rd mill road of ground floor, the second layer and the 3rd layer of grinding roller 9 and bull ring grind, and fines falls into the cavity of resorption of abrasive dust main frame.
4, system's negative pressure is carried out classification through carrier pipe with the grader that fines is delivered to outside the abrasive dust main frame, and the remaining meal of classification returns the batch mixing bucket through the feed back pipe and participates in grinding next time.
This shows that whole pulverizing process is in the closed system, and the powder leakage problem takes place never again, system rigidity is good, and running is steady, and the input and output amount is big, is the upgrading products of traditional ultra-fine ring roller mill.
Claims (6)
1. the ultra-fine ring roller of single flow dual-gripper grinds; Comprise the abrasive dust main frame; The host housing of said abrasive dust main frame (1) is installed on the main frame base (3); Grinding roller that matches (9) and bull ring are located in the said host housing (1); Said grinding roller (9) is installed on the grinding roller frame; The grinding roller frame is installed on the main shaft (2); Said main shaft (2) lower end is supported by the lower bearing position (4) on the main frame base (3) and is installed; Offer negative pressure gas port (5) on the said main frame base (3); It is characterized in that: said bull ring assembly is directly installed with the no gap of host housing (1) and is connected, and said negative pressure gas port (5) is connected the outer grader carrier pipe of abrasive dust main frame.
2. the ultra-fine ring roller mill of single flow dual-gripper according to claim 1, it is characterized in that: said host housing (1) top is provided with supporting mechanism, and the upper end of said grinding roller main shaft (2) is supported through the upper bearing (metal) position (7) that is provided with on the supporting mechanism and is installed.
3. the ultra-fine ring roller mill of single flow dual-gripper according to claim 2, it is characterized in that: said supporting mechanism is for being installed in the main frame loam cake (6) on the host housing (1).
4. the ultra-fine ring roller mill of single flow dual-gripper according to claim 3, it is characterized in that: offer charging aperture on the said main frame loam cake (6), said charging aperture is communicated with the batch mixing bucket through feed pipe (8).
5. according to the ultra-fine ring roller mill of any described single flow dual-gripper in the claim 1～4, it is characterized in that: said grinding roller (9) is offered on the said bull ring and two mill roads or many mill roads two-layer or that multilayer grinding roller (9) is corresponding for two-layer or multilayer.
6. the ultra-fine ring roller mill of single flow dual-gripper according to claim 5; It is characterized in that: said grinding roller (9) is three layers; Ground floor grinding roller (9) is installed on grinding roller frame (10); Second, third layer grinding roller (9) is installed on down grinding roller frame (11); Article one, the mill road is opened in bull ring (12), and second, third mill road is opened in down bull ring (13).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103549924A CN102350394A (en) | 2011-11-10 | 2011-11-10 | Straight-through type double-support ultra-fine ring roller grinder |
| PCT/CN2012/083901 WO2013067895A1 (en) | 2011-11-10 | 2012-11-01 | Direct-current, double-support and ultra-fine ring roller grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103549924A CN102350394A (en) | 2011-11-10 | 2011-11-10 | Straight-through type double-support ultra-fine ring roller grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102350394A true CN102350394A (en) | 2012-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103549924A Pending CN102350394A (en) | 2011-11-10 | 2011-11-10 | Straight-through type double-support ultra-fine ring roller grinder |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102350394A (en) |
| WO (1) | WO2013067895A1 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580821A (en) * | 2012-03-07 | 2012-07-18 | 广西贺州市科隆粉体有限公司 | Grinding wheel disc device of ultrafine grinder |
| CN102744126A (en) * | 2012-06-16 | 2012-10-24 | 阳承君 | Multifunctional grinding mill |
| CN102744128A (en) * | 2012-07-30 | 2012-10-24 | 桂林晟兴机械制造有限公司 | Direct-current type double-support strong ring roll mill |
| CN102814212A (en) * | 2012-09-03 | 2012-12-12 | 桂林晟兴机械制造有限公司 | Integrated efficient flour mill |
| CN102989555A (en) * | 2012-12-12 | 2013-03-27 | 肖先成 | Eccentric grinding roller single and double support ring roller mill |
| CN102989556A (en) * | 2012-12-12 | 2013-03-27 | 肖先成 | Eccentric grinding roller integrated efficient grinding machine |
| WO2013067895A1 (en) * | 2011-11-10 | 2013-05-16 | 桂林晟兴机械制造有限公司 | Direct-current, double-support and ultra-fine ring roller grinder |
| CN103464770A (en) * | 2013-10-08 | 2013-12-25 | 镇江宝纳电磁新材料有限公司 | Circulation rotating disc type roller grinding device |
| CN103861695A (en) * | 2014-03-31 | 2014-06-18 | 上海建冶路桥机器设备有限公司 | Multi-ring micronizer grinding cavity, multi-ring micronizer and intelligent multi-ring micronizer system |
| US20210283620A1 (en) * | 2016-10-03 | 2021-09-16 | Raymond Bartlett Snow LLC | Planetary roller mill for processing high moisture feed material |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104815716B (en) * | 2015-04-17 | 2017-04-12 | 武汉凯迪工程技术研究总院有限公司 | High-pressure flour mill |
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| CN1071351A (en) * | 1991-10-11 | 1993-04-28 | 李龙年 | Grinding and winnowing fine aluminium powder processing method and equipment |
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| CN102380444A (en) * | 2011-11-10 | 2012-03-21 | 桂林晟兴机械制造有限公司 | Outer circulation classifying system of direct-flow superfine hoop-roller mill |
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| CN1071351A (en) * | 1991-10-11 | 1993-04-28 | 李龙年 | Grinding and winnowing fine aluminium powder processing method and equipment |
| CN2176832Y (en) * | 1994-01-14 | 1994-09-14 | 袁海生 | Efficient super-fine disintegrator |
| CN1258569A (en) * | 1998-12-31 | 2000-07-05 | 邓连松 | Ring grinder |
| CN2601740Y (en) * | 2002-11-02 | 2004-02-04 | 闽西丰力粉碎机械有限公司 | Superfine internal -grading centrifugal circular grinder |
| CN2626612Y (en) * | 2003-06-19 | 2004-07-21 | 武汉科技大学 | Vertical type planetary helical roller mill |
| CN2843614Y (en) * | 2005-10-26 | 2006-12-06 | 武汉科技大学 | A kind of horizontal planetary propellers grinding machine |
| CN1903440A (en) * | 2006-08-09 | 2007-01-31 | 河南黎明路桥重工有限公司 | Up rocking type roller mill |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013067895A1 (en) * | 2011-11-10 | 2013-05-16 | 桂林晟兴机械制造有限公司 | Direct-current, double-support and ultra-fine ring roller grinder |
| CN102580821A (en) * | 2012-03-07 | 2012-07-18 | 广西贺州市科隆粉体有限公司 | Grinding wheel disc device of ultrafine grinder |
| CN102744126A (en) * | 2012-06-16 | 2012-10-24 | 阳承君 | Multifunctional grinding mill |
| CN102744128A (en) * | 2012-07-30 | 2012-10-24 | 桂林晟兴机械制造有限公司 | Direct-current type double-support strong ring roll mill |
| CN102814212A (en) * | 2012-09-03 | 2012-12-12 | 桂林晟兴机械制造有限公司 | Integrated efficient flour mill |
| CN102989556A (en) * | 2012-12-12 | 2013-03-27 | 肖先成 | Eccentric grinding roller integrated efficient grinding machine |
| CN102989555A (en) * | 2012-12-12 | 2013-03-27 | 肖先成 | Eccentric grinding roller single and double support ring roller mill |
| CN103464770A (en) * | 2013-10-08 | 2013-12-25 | 镇江宝纳电磁新材料有限公司 | Circulation rotating disc type roller grinding device |
| CN103464770B (en) * | 2013-10-08 | 2016-04-13 | 镇江宝纳电磁新材料有限公司 | A kind of circulation Rotary disc type roll grinds device |
| CN103861695A (en) * | 2014-03-31 | 2014-06-18 | 上海建冶路桥机器设备有限公司 | Multi-ring micronizer grinding cavity, multi-ring micronizer and intelligent multi-ring micronizer system |
| CN103861695B (en) * | 2014-03-31 | 2016-07-13 | 上海建冶路桥机器设备有限公司 | Multi-ring micronizer grinding chamber, multi-ring micronizer and intelligent multi-ring micronizer system |
| US20210283620A1 (en) * | 2016-10-03 | 2021-09-16 | Raymond Bartlett Snow LLC | Planetary roller mill for processing high moisture feed material |
| US11679392B2 (en) * | 2016-10-03 | 2023-06-20 | Schenck Process Llc | Planetary roller mill for processing high moisture feed material |
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| WO2013067895A1 (en) | 2013-05-16 |
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Application publication date: 20120215 |