CN203678452U - Vertical type roller mill for superfine powder - Google Patents
Vertical type roller mill for superfine powder Download PDFInfo
- Publication number
- CN203678452U CN203678452U CN201420003242.1U CN201420003242U CN203678452U CN 203678452 U CN203678452 U CN 203678452U CN 201420003242 U CN201420003242 U CN 201420003242U CN 203678452 U CN203678452 U CN 203678452U
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- Prior art keywords
- ring
- powder
- powder concentrator
- host shell
- mill
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- 239000000843 powder Substances 0.000 title claims abstract description 63
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 abstract description 2
- 238000003801 milling Methods 0.000 abstract 6
- 238000007780 powder milling Methods 0.000 abstract 1
- 230000000087 stabilizing effect Effects 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 240000006909 Tilia x europaea Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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Abstract
The utility model discloses a vertical type roller mill for superfine powder. The vertical type roller mill comprises a mill base, a main engine shell, a main motor, a main speed reducer, a milling disc connected with the main speed reducer, a plurality of milling rollers which are mounted on the milling disc and can rotate relative to the milling disc, and a pressurizing cylinder device, wherein a powder selecting machine is coaxially mounted at the upper part of the main engine shell; the side wall of the main engine shell is provided with a spiral conveyor and a feeding hopper; the mill base is of a splitting assembling structure; the main engine shell, the main speed reducer and the pressurizing cylinder device are mounted on the mill base; an electronic limiting device and a mechanical limiting device are mounted between the milling roller and the main engine shell; a material pressing plate is mounted between the two adjacent milling rollers; the mechanical limiting device comprises an adjusting screw rod mounted on the main engine shell and a spring sleeving the adjusting screw rod. The vertical type roller mill for the superfine powder has the advantages of simple structure, convenience for installation, stability in operation and high powder milling efficiency.
Description
Technical field
The utility model relates to roller mill, especially relates to a kind of superfine powder vertical roll grinder.
Background technology
Traditional superfine powder vertical roll grinder owing to not installing holding pad between grinding roller, and the material on mill is centrifuged power and throws away very soon mill, is unfavorable for Stabilizing Materials bed, easily causes mill efficiency to reduce, deterioration in quality; And the mechanical stop limiter of grinding roller bottom is rigid limit, easily cause intense impact and the body vibrations of grinding roller to housing, even cause body to damage; And conventionally the impeller of powder concentrator is vertically arranged single impeller, the diameter of single impeller large and cannot select thinner, or the air drag causing when selecting fine powder is excessive, the unit power consumption that strengthens grinder system, production declining, at the bottom of causing grinding efficiency, damage in impeller aggravation, because gas seal member can not take off from housing, cause powder concentrator with after each several part wearing and tearing after a period of time, powder concentrator runs thick, hydraulic performance decline, even cannot work, change housing and involve great expense, workload is large.
Summary of the invention
The utility model object is to overcome the deficiencies in the prior art, provides a kind of simple in structure, easy for installation, stable, the superfine powder vertical roll grinder that mill efficiency is high.
For achieving the above object, the utility model can be taked following technical proposals:
Superfine powder vertical roll grinder described in the utility model, comprise grinding machine base, host shell, main motor, main gear reducer, the mill being connected with main gear reducer, be arranged on the multiple grinding rollers and the pressurized cylinder device that on mill, rotate corresponding thereto, be coaxially installed with powder concentrator on host shell top, at host shell sidewall, conveying worm and feed hopper are installed, described grinding machine base is separable assembled structure, and described host shell, main gear reducer, pressurized cylinder device are installed on grinding machine base; Electronic limit device and mechanical stop limiter are installed between described grinding roller and host shell, between adjacent two grinding rollers, holding pad are installed; Described mechanical stop limiter comprises the adjustment screw rod being arranged on host shell and is sleeved on the spring on described adjustment screw rod.
Described powder concentrator comprises the powder concentrator being connected with host shell by flange and is arranged on the discharging opening at powder concentrator middle part, on described powder concentrator, level is uniform is provided with at least two and selects powder unit, describedly select powder unit to comprise by motor cabinet to be arranged on the variable-frequency motor on powder concentrator and to be fixed on the rotor assembly on powder concentrator by flange, on described rotor assembly, speed measuring device is installed, power transmission shaft one end of described rotor assembly is in transmission connection by belt pulley and variable-frequency motor, the other end extends horizontally in powder concentrator and is provided with impeller at its end, between described impeller and discharging opening, be horizontally disposed with gas seal member, one end of described gas seal member is bolted on discharging opening sidewall, between the other end and impeller, hermetic seal coordinates.
Described gas seal member comprises inside and outside ring set, between described inside and outside ring set, is fixed as one by spaced left and right sealing ring vertically; Described right sealing ring end face offers the annular groove being slidably matched with impeller, and the groove bottom of described annular groove offers air-vent; On described left sealing ring, be provided with the connector fixing with powder concentrator; In the ring cavity that inside and outside ring set and left and right sealing ring surround, be fixed with adjustment ring, described ring cavity is divided into left and right two ring casings by described adjustment ring; Be positioned on the exterior ring cap of described left ring casing, offer be connected with the external world pod apertures; On the anchor ring of described adjustment ring, offer damping hole.
The utility model advantage is to be conducive to Stabilizing Materials bed by holding pad is installed between grinding roller, improves mill efficiency; By mechanical stop limiter and electronic limit device are set, that grinding roller is carried out to upper-lower position is spacing, increases spring and be elastic spacing on mechanical stop limiter simultaneously, is so more conducive to reduce and impacts and vibrations, and grinding machine is more stably moved; Grinding machine base is separable assembled structure, and the equipment that is convenient to is installed centering, improves installation accuracy, simultaneously because base rigidity is better, is conducive to the stable of equipment operation, is also convenient to processing and transport; By changing the structure of traditional powder concentrator, select powder to change the classifying turbine structure that multiple levels are installed in traditional single impeller, be conducive to select fine powder, improve grinding efficiency, treating capacity is large, and is easier to maintenance.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
The I portion enlarged drawing of Fig. 2 Fig. 1.
Fig. 3 is the structural representation of powder concentrator in Fig. 1.
Fig. 4 is the structural representation of gas seal member in Fig. 3.
Detailed description of the invention
As shown in Figure 1,2,3, 4, superfine powder vertical roll grinder described in the utility model, comprise grinding machine base 1, host shell 2, main motor 3, main gear reducer 4, the mill 5 being connected with main gear reducer 4, be arranged on the multiple grinding rollers 6 and the pressurized cylinder device 7 that on mill 5, rotate corresponding thereto, the pressurized cylinder device 7 that each grinding roller 6 is made up of two pressurization oil cylinders pressurizes simultaneously, be coaxially installed with powder concentrator 8 on host shell 2 tops, at host shell 2 sidewalls, conveying worm 9 and feed hopper 10 be installed; Described grinding machine base 1 is separable assembled structure, and described host shell 2, main gear reducer 4, pressurized cylinder device 7 are installed on grinding machine base 1, can be convenient to like this installation of whole roller mill and improve installation accuracy; Simultaneously, because grinding machine base 1 has good rigidity, be so more conducive to the stable of equipment operation, and grinding machine base 1 adopts separable assembled structure, be convenient to processing and transport; Electronic limit device 11 and mechanical stop limiter 12 are installed between described grinding roller 6 and host shell 2, electronic limit device 11 is mainly used in limiting the high-low limit of grinding roller 6, in the time that grinding roller 6 is lifted supreme extreme position, trigger limes superiors switch and also send signal, grinding roller 6 is lifted on stopping in time; In the time that grinding roller 6 presses to limit inferior position, trigger limit inferior switch and send signal, make grinding roller 6 stop in time pressing down, cause vibrations in order to avoid encounter mill 5; Described mechanical stop limiter 11 comprises the adjustment screw rod 14 being arranged on host shell 2 and is sleeved on the spring 15 on described adjustment screw rod 14, due to spring 15 being installed in mechanical stop limiter, making spacing to grinding roller 6 is elastic spacing, avoid intense impact, can adjust spacing position by adjusting screw rod 14 according to the abrasion condition of grinding roller 6 and mill 5 simultaneously; Between adjacent two grinding rollers 6, holding pad 13 is installed, throws away very soon mill 6 thereby avoid material on mill 6 to be centrifuged power, be conducive to Stabilizing Materials bed, improve mill efficiency and product quality.
Select opaque amount and grinding efficiency for improving, described powder concentrator 8 comprises the powder concentrator 16 being connected with host shell 2 by flange and is arranged on the discharging opening 17 at powder concentrator 16 middle parts, on described powder concentrator 16, level is uniform is provided with at least two and selects powder unit, describedly select powder unit to comprise by motor cabinet 18 to be arranged on the variable-frequency motor 19 on powder concentrator 16 and to be fixed on the rotor assembly 20 on powder concentrator 16 by flange, on described rotor assembly 20, speed measuring device 21 is installed, power transmission shaft one end of described rotor assembly 20 is in transmission connection by belt pulley 22 and variable-frequency motor 19, the other end extends horizontally in powder concentrator 16 and is provided with impeller 23 at its end, between described impeller 23 and discharging opening 17, be horizontally disposed with gas seal member 24, one end of described gas seal member 24 is bolted on discharging opening 17 sidewalls, between the other end and impeller 23, hermetic seal coordinates, described gas seal member 24 comprises inner ring sleeve 25 and exterior ring cap 26, between described inner ring sleeve 25 and exterior ring cap 26 by spaced left sealing ring 27 and right sealing ring 28 are fixed as one vertically, described right sealing ring 28 end faces offer the annular groove with impeller 23 matched in clearance, and the groove bottom of described annular groove offers air-vent 29, on described left sealing ring 27, be provided with the connector fixing with powder concentrator 16, in the ring cavity surrounding at inner ring sleeve 25, exterior ring cap 26 and left sealing ring 27, right sealing ring 28, be fixed with adjustment ring 30, described ring cavity is divided into left and right two ring casings by described adjustment ring 30, be positioned on the exterior ring cap 26 of described left ring casing, offer be connected with the external world pod apertures 31, on the anchor ring of described adjustment ring 30, offer damping hole 32, in gas seal member 24 use procedures, the ring core position of inner ring sleeve 25 is the passages that select powder air-flow, exterior ring cap 26 one end communicate with atmosphere by wireway, there is air-vent 29 in the annular groove groove bottom combining with impeller 23 end faces, between impeller 23 end faces and annular groove, there is small gap, under the effect of roller mill external pressure and roller mill internal negative pressure, air-flow is by this small gap, form certain air-flow velocity, this air-flow can effectively prevent from being with powder air-flow from passing through here, plays the thick function of said anti-race in industry.The powder concentrator 8 of this kind of structure, by multiple horizontally disposed powder unit that select, selects powder to change the classifying turbine structure that multiple levels are installed in traditional single impeller, is conducive to select fine powder, improves grinding efficiency, and treating capacity is large; Form closed-loop control system by the speed measuring device 21 and the variable-frequency motor 19 that increase, make the final rotating speed uniformity between multiple impellers 23 better, between each impeller 23, select finished powder particle diameter cut point error less, select same fineness powder adopt rotating speed low, environmental protection and energy saving; Gas seal member 24 adopts assembled, powder concentrator 16 simplicity of design, and reduce the difficulty of processing of heavy parts housing, and can take off and change from housing after wearing and tearing, protect the service life of heavy parts housing.
Claims (3)
1. a superfine powder vertical roll grinder, comprise grinding machine base (1), host shell (2), main motor (3), main gear reducer (4), the mill (5) being connected with main gear reducer (4), be arranged on the multiple grinding rollers (6) and the pressurized cylinder device (7) that on mill (5), rotate corresponding thereto, be coaxially installed with powder concentrator (8) on host shell (2) top, at host shell (2) sidewall, conveying worm (9) and feed hopper (10) are installed, it is characterized in that: described grinding machine base (1) is separable assembled structure, described host shell (2), main gear reducer (4), pressurized cylinder device (7) is installed on grinding machine base (1), electronic limit device (11) and mechanical stop limiter (12) are installed between described grinding roller (6) and host shell (2), holding pad (13) is installed between adjacent two grinding rollers (6), described mechanical stop limiter (11) comprises the adjustment screw rod (14) being arranged on host shell (2) and is sleeved on the spring (15) on described adjustment screw rod (14).
2. superfine powder vertical roll grinder according to claim 1, it is characterized in that: described powder concentrator (8) comprises the powder concentrator (16) being connected with host shell (2) by flange and is arranged on the discharging opening (17) at powder concentrator (16) middle part, be provided with at least two and select powder unit the upper level of described powder concentrator (16) is uniform, describedly select powder unit to comprise by motor cabinet (18) to be arranged on the variable-frequency motor (19) on powder concentrator (16) and to be fixed on the rotor assembly (20) on powder concentrator (16) by flange, speed measuring device (21) is installed on described rotor assembly (20), power transmission shaft one end of described rotor assembly (20) is in transmission connection by belt pulley (22) and variable-frequency motor (19), the other end extends horizontally in powder concentrator (16) and is provided with impeller (23) at its end, between described impeller (23) and discharging opening (17), be horizontally disposed with gas seal member (24), one end of described gas seal member (24) is bolted on discharging opening (17) sidewall, between the other end and impeller (23), hermetic seal coordinates.
3. superfine powder vertical roll grinder according to claim 2, it is characterized in that: described gas seal member (24) comprises inside and outside ring set (25,26), between described inside and outside ring set (25,26), be fixed as one by spaced left and right sealing ring (27,28) vertically; Described right sealing ring (28) end face offers the annular groove with impeller (23) matched in clearance, and the groove bottom of described annular groove offers air-vent (29); On described left sealing ring (27), be provided with the connector fixing with powder concentrator (16); In the ring cavity that inside and outside ring set (25,26) and left and right sealing ring (27,28) surround, be fixed with adjustment ring (30), described ring cavity is divided into left and right two ring casings by described adjustment ring (30); Be positioned on the exterior ring cap (26) of described left ring casing, offer be connected with the external world pod apertures (31); On the anchor ring of described adjustment ring (30), offer damping hole (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420003242.1U CN203678452U (en) | 2014-01-04 | 2014-01-04 | Vertical type roller mill for superfine powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420003242.1U CN203678452U (en) | 2014-01-04 | 2014-01-04 | Vertical type roller mill for superfine powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203678452U true CN203678452U (en) | 2014-07-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420003242.1U Expired - Lifetime CN203678452U (en) | 2014-01-04 | 2014-01-04 | Vertical type roller mill for superfine powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203678452U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435912A (en) * | 2015-12-29 | 2016-03-30 | 盐城工学院 | Roller mill with main drive grinding roller driving grinding disc in friction manner and grinding method of roller mill |
| CN105435947A (en) * | 2015-12-16 | 2016-03-30 | 河南黎明重工科技股份有限公司 | System for preparing calcium oxide fine powder by using vertical roller mill and processing method |
| CN105562159A (en) * | 2016-02-03 | 2016-05-11 | 江苏新鹏重型机电制造有限公司 | Ultra-fine grinding system for cement production |
| CN105597880A (en) * | 2016-02-03 | 2016-05-25 | 江苏新鹏重型机电制造有限公司 | Ultrafine grinding system for blast furnace slag |
| CN106311405A (en) * | 2016-11-17 | 2017-01-11 | 河南黎明重工科技股份有限公司 | Pressurizing and caging device for roller of vertical mill |
| CN106362833A (en) * | 2016-11-17 | 2017-02-01 | 河南黎明重工科技股份有限公司 | Rotary-ring mill |
| CN107715998A (en) * | 2017-12-05 | 2018-02-23 | 河南黎明重工科技股份有限公司 | Grinding roller pressure structure suitable for vertical roll grinder |
| CN108295967A (en) * | 2018-02-01 | 2018-07-20 | 龙岩亿丰机械科技有限公司 | A kind of vertical mill of automatic iron removing |
| CN108311224A (en) * | 2018-02-01 | 2018-07-24 | 龙岩亿丰机械科技有限公司 | A kind of full-automatic Vertical Mill and its control method |
| WO2020057082A1 (en) * | 2018-09-20 | 2020-03-26 | 上海同化新材料科技有限公司 | Device for preparing dietary fiber powder, and method for preparing dietary fiber powder |
-
2014
- 2014-01-04 CN CN201420003242.1U patent/CN203678452U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435947A (en) * | 2015-12-16 | 2016-03-30 | 河南黎明重工科技股份有限公司 | System for preparing calcium oxide fine powder by using vertical roller mill and processing method |
| CN105435912A (en) * | 2015-12-29 | 2016-03-30 | 盐城工学院 | Roller mill with main drive grinding roller driving grinding disc in friction manner and grinding method of roller mill |
| CN105562159A (en) * | 2016-02-03 | 2016-05-11 | 江苏新鹏重型机电制造有限公司 | Ultra-fine grinding system for cement production |
| CN105597880A (en) * | 2016-02-03 | 2016-05-25 | 江苏新鹏重型机电制造有限公司 | Ultrafine grinding system for blast furnace slag |
| CN106311405A (en) * | 2016-11-17 | 2017-01-11 | 河南黎明重工科技股份有限公司 | Pressurizing and caging device for roller of vertical mill |
| CN106362833A (en) * | 2016-11-17 | 2017-02-01 | 河南黎明重工科技股份有限公司 | Rotary-ring mill |
| CN106311405B (en) * | 2016-11-17 | 2019-02-15 | 河南黎明重工科技股份有限公司 | Grinding roller pressurization limiting device for vertical pulverizer |
| CN107715998A (en) * | 2017-12-05 | 2018-02-23 | 河南黎明重工科技股份有限公司 | Grinding roller pressure structure suitable for vertical roll grinder |
| CN108295967A (en) * | 2018-02-01 | 2018-07-20 | 龙岩亿丰机械科技有限公司 | A kind of vertical mill of automatic iron removing |
| CN108311224A (en) * | 2018-02-01 | 2018-07-24 | 龙岩亿丰机械科技有限公司 | A kind of full-automatic Vertical Mill and its control method |
| CN108311224B (en) * | 2018-02-01 | 2019-11-15 | 龙岩亿丰机械科技有限公司 | A kind of full-automatic Vertical Mill and its control method |
| WO2020057082A1 (en) * | 2018-09-20 | 2020-03-26 | 上海同化新材料科技有限公司 | Device for preparing dietary fiber powder, and method for preparing dietary fiber powder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |