CN203711326U - Horizontal multi-rotor powder separator for ultrafine-powder vertical roller mill - Google Patents
Horizontal multi-rotor powder separator for ultrafine-powder vertical roller mill Download PDFInfo
- Publication number
- CN203711326U CN203711326U CN201420003218.8U CN201420003218U CN203711326U CN 203711326 U CN203711326 U CN 203711326U CN 201420003218 U CN201420003218 U CN 201420003218U CN 203711326 U CN203711326 U CN 203711326U
- Authority
- CN
- China
- Prior art keywords
- powder
- ring
- housing
- impeller
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000843 powder Substances 0.000 title claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 3
- 238000012423 maintenance Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Abstract
The utility model discloses a horizontal multi-rotor powder separator for an ultrafine-powder vertical roller mill. The horizontal multi-rotor powder separator comprises a shell connected with the vertical roller mill and a discharge hole formed in the middle part of the shell; at least two powder separation units are horizontally and evenly arranged on the shell; each powder separation unit comprises a variable frequency motor mounted on the shell by use of a motor base and a rotor assembly fixed on the shell by use of a flange; a speed measuring device is arranged on the rotor assembly; one end of a transmission shaft of the rotor assembly is connected with a transmission shaft of the variable frequency motor by use of a belt wheel, while the other end of the transmission shaft of the rotor assembly horizontally extends into the shell and an impeller is arranged at the tail end of the end; an airtight element is horizontally arranged between the impeller and the discharge hole, and one end of the airtight element is fixed to a sidewall of the discharge hole by use of a bolt, while the other end of the airtight element is in airtight seal fit with the impeller; a platform guardrail is arranged to surround the shell. The horizontal multi-rotor powder separator for the ultrafine-powder vertical roller mill has the advantages of simple structure, convenient repair, and high powder separation efficiency, and also has the advantages of energy saving and environmental protection.
Description
Technical field
The utility model relates to powder concentrator, especially relates to a kind of horizontal many rotors powder concentrator for superfine powder vertical roll grinder.
Background technology
Traditional superfine powder vertical roll grinder is vertically arranged single impeller with the impeller of powder concentrator, the diameter of single impeller large and cannot select thinner, or the air drag causing when selecting fine powder is excessive, strengthens the unit power consumption of grinder system, production declining; And the rotor of traditional horizontal many rotors powder concentrator need to be assemblied in by other housing on powder concentrator, rotor or impeller are all not inner at powder concentrator; Because impeller is not in enclosure interior, cause and select powder air-flow will enter and pass through special passage, so both increased system air resistance, make again impeller fully not contact with selecting powder air-flow, at the bottom of causing grinding efficiency, and cause and can not discharge and get back to grinding machine grinding again in time by the meal by powder concentrator impeller, finally cause grinding efficiency low, yield poorly, damage in impeller aggravation; Owing to there is no speed measuring device, cause the actual speed uniformity between a plurality of impellers poor, the powder fineness that causes each and every one impeller to select is inconsistent, finally haves no alternative but adopt higher rotating speed operation, causes unit power consumption to increase; 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, and hydraulic performance decline, even cannot work, and changes housing and involves great expense, and workload is large; Owing to not thering is platform guardrail, cause safeguarding and can not normally carry out, cause powder concentrator hydraulic performance decline, or damage too early.
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 to maintenance, energy-conserving and environment-protective, the horizontal many rotors powder concentrator for superfine powder vertical roll grinder that grinding efficiency is high.
For achieving the above object, the utility model can be taked following technical proposals:
Horizontal many rotors powder concentrator for superfine powder vertical roll grinder described in the utility model, comprise the housing being connected with vertical roller grinder and be arranged on the discharging opening at housing middle part, on described housing, 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 housing and to be fixed on the rotor assembly on housing by flange, on described rotor assembly, be provided with speed measuring device, power transmission shaft one end of described rotor assembly is connected with transmission shaft of variable frequency motor by belt pulley, the other end extends horizontally in housing 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, in described housing periphery, be provided with platform guardrail.
Described gas seal member comprises inside and outside ring set, between described inside and outside ring set, by spaced left and right sealing ring vertically, is fixed as one; Described right sealing ring end face offers the annular groove coordinating with impeller clearance, and the groove bottom of described annular groove offers air-vent; On described left sealing ring, be provided with the connector fixing with housing; In the ring cavity that inside and outside ring set and left and right sealing ring surround, be fixed with adjustment ring, described adjustment ring is divided into left and right two ring casings by described ring cavity; 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 by a plurality of horizontally disposed powder unit that select are installed on housing, be conducive to select fine powder, improve grinding efficiency, treating capacity is large, and the quantity that rotor combination unit is used can design according to different output, applicable different grinding machine model; By speed measuring device and the variable-frequency motor increasing, formed closed-loop control system, make the final rotating speed uniformity between powder concentrator Multi-impeller better, between each impeller, select finished powder particle diameter cut point error less, select the rotating speed that the powder of same fineness adopts low, environmental protection and energy saving; Gas seal member adopts assembled, powder concentrator 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, protected the service life of heavy parts housing; By increasing platform guardrail, make powder concentrator maintenance channel safe and reliable, the maintenance work of powder concentrator can be protected, and powder concentrator performance can be guaranteed for a long time, has extended service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of gas seal member in Fig. 1.
The specific embodiment
As Fig. 1, shown in 2, horizontal many rotors powder concentrator for superfine powder vertical roll grinder described in the utility model, comprise the housing 1 being connected with vertical roller grinder and be arranged on the discharging opening 2 at housing 1 middle part, on described housing 1, level is uniform is provided with at least two and selects powder unit, describedly select powder unit to comprise by motor cabinet 3 to be arranged on the variable-frequency motor 4 on housing 1 and to be fixed on the rotor assembly 5 on housing 1 by flange, on described rotor assembly 5, be provided with speed measuring device 6, power transmission shaft one end of described rotor assembly 5 is connected with variable-frequency motor 4 power transmission shafts by belt pulley 7, the other end extends horizontally in housing 1 and in its terminal horizontal impeller 8 is installed, at described impeller 8 and 2 of discharging openings, be horizontally disposed with gas seal member 9, one end of described gas seal member 9 is bolted on discharging opening 2 sidewalls, between the other end and impeller 8, hermetic seal coordinates, described gas seal member 9 comprises inner ring sleeve 11 and exterior ring cap 12, changes in described between cover 11 and exterior ring cap 12 by spaced left sealing ring 13 and right sealing ring 14 are fixed as one vertically, described right sealing ring 14 end faces offer the annular groove with impeller 8 matched in clearance, and the groove bottom of described annular groove offers air-vent 15, on described left sealing ring 13, be provided with the connector fixing with housing 1, interior changing in the ring cavity that cover 11, exterior ring cap 12 and left sealing ring 13, right sealing ring 14 surround, be fixed with adjustment ring 16, described adjustment ring 16 is divided into left and right two ring casings by described ring cavity, be positioned on the exterior ring cap 12 of described left ring casing, offer be connected with the external world pod apertures 17, for outside air is introduced, on the anchor ring of described adjustment ring 16, offer damping hole 18, in gas seal member 9 use procedures, the ring core position of inner ring sleeve 11 is the passages that select powder air-flow, exterior ring cap 12 one end communicate with atmosphere by wireway, in the annular groove groove bottom combining with impeller 8 end faces, there is air-vent 15, between impeller 8 end faces and annular groove, there is small gap, under the effect of grinding machine external pressure and grinding machine 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, play the thick function of said anti-race in industry, for making powder concentrator maintenance channel safe and reliable, the maintenance work of powder concentrator can be protected, and in described housing 1 periphery, is provided with platform guardrail 10.
Claims (2)
1. the horizontal many rotors powder concentrator for superfine powder vertical roll grinder, comprise the housing (1) being connected with vertical roller grinder and be arranged on the discharging opening (2) at housing (1) middle part, be provided with at least two and select powder unit the upper level of described housing (1) is uniform, it is characterized in that: describedly select powder unit to comprise by motor cabinet (3) to be arranged on the variable-frequency motor (4) on housing (1) and to be fixed on the rotor assembly (5) on housing (1) by flange, on described rotor assembly (5), be provided with speed measuring device (6), power transmission shaft one end of described rotor assembly (5) is connected with variable-frequency motor (4) power transmission shaft by belt pulley (7), the other end extends horizontally in housing (1) and is provided with impeller (8) at its end, between described impeller (8) and discharging opening (2), be horizontally disposed with gas seal member (9), one end of described gas seal member (9) is bolted on discharging opening (2) sidewall, between the other end and impeller (8), hermetic seal coordinates, in described housing (1) periphery, be provided with platform guardrail (10).
2. the horizontal many rotors powder concentrator for superfine powder vertical roll grinder according to claim 1, it is characterized in that: described gas seal member (9) comprises inside and outside ring set (11,12), between described inside and outside ring set (11,12), by spaced left and right sealing ring (13,14) vertically, be fixed as one; Described right sealing ring (14) end face offers the annular groove with impeller (8) matched in clearance, and the groove bottom of described annular groove offers air-vent (15); On described left sealing ring (13), be provided with the connector fixing with housing (1); In the ring cavity that inside and outside ring set (11,12) and left and right sealing ring (13,14) surround, be fixed with adjustment ring (16), described adjustment ring (16) is divided into left and right two ring casings by described ring cavity; Be positioned on the exterior ring cap (12) of described left ring casing, offer be connected with the external world pod apertures (17); On the anchor ring of described adjustment ring (16), offer damping hole (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420003218.8U CN203711326U (en) | 2014-01-04 | 2014-01-04 | Horizontal multi-rotor powder separator for ultrafine-powder vertical roller mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420003218.8U CN203711326U (en) | 2014-01-04 | 2014-01-04 | Horizontal multi-rotor powder separator for ultrafine-powder vertical roller mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203711326U true CN203711326U (en) | 2014-07-16 |
Family
ID=51150526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420003218.8U Expired - Lifetime CN203711326U (en) | 2014-01-04 | 2014-01-04 | Horizontal multi-rotor powder separator for ultrafine-powder vertical roller mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203711326U (en) |
-
2014
- 2014-01-04 CN CN201420003218.8U patent/CN203711326U/en not_active Expired - Lifetime
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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: 20140716 |