CN104258933A - Grinding roller air sealing device for isolating dust-containing air - Google Patents
Grinding roller air sealing device for isolating dust-containing air Download PDFInfo
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- CN104258933A CN104258933A CN201410498061.5A CN201410498061A CN104258933A CN 104258933 A CN104258933 A CN 104258933A CN 201410498061 A CN201410498061 A CN 201410498061A CN 104258933 A CN104258933 A CN 104258933A
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- grinding roller
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- dusty gas
- valve
- air seal
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Abstract
The invention discloses a grinding roller air sealing device for isolating dust-containing air. Air blown by a fan is conveyed into an air channel (14) on a grinding machine through a pipeline (5), then a certain air speed is generated by using pressure difference, and an air sealing isolation environment is established on the outer side of a sealing mechanism, so that a grinding roller sealing mechanism cannot be damaged by high-concentration dust in a vertical mill; therefore, the life of the grinding roller sealing mechanism is greatly prolonged, a bearing of a grinding roller is effectively protected, and the service life of the grinding roller is prolonged.
Description
[technical field]
The present invention relates to a kind of air seal, be specifically related to a kind of grinding roller air seal for isolated dusty gas.
[background technology]
Known, Vertical Mill, as a kind of capital equipment of modern cement industry, mainly plays grinding, oven dry, dust-contained airflow conveying, selects the effects such as powder.Vertical Mill also belongs to the one that air swept mill, inner at Vertical Mill, is negative pressure state, namely lower than standard atmospheric pressure.Inner at Vertical Mill, motor and speed reducer mating band movable grinding disc rotates, and grinding roller presses to the material on mill and rotates under the drive of mill and rolls material, then by the effect of blower fan under the effect of loading system, the powder after levigate with upwards carrying, by grinding roller region, take the territory, powder-separating area on top to, further, by selecting powder equipment, enough thin powder is selected, grain weight thin not newly drops on mill, and then enters between grinding roller and mill, continues grinding.But Vertical Mill is when normally working, being high concentration dusty gas around grinding roller, very easily damaging the potted component of grinding roller bearing, and then destroy the lubricating system etc. of grinding roller.
[summary of the invention]
For overcoming the deficiency existed in background technology; the invention provides a kind of grinding roller air seal for isolated dusty gas; the present invention utilizes pressure reduction to produce certain wind speed; aeroseal isolated environment is established in the outside of sealing mechanism; protect grinding roller sealing mechanism not damage by the high concentrate dust of Vertical Mill inside; substantially increase the life-span of grinding roller sealing mechanism, effectively raise the service life etc. of grinding roller.
For realizing goal of the invention as above, the present invention adopts technical scheme as described below:
A kind of grinding roller air seal for isolated dusty gas, comprise blower fan, pipeline and grinding roller axle sleeve, described blower and pipeline connects the air inlet being arranged on shaft of grinding roller and putting, and described air inlet is communicated with the air channel be in outside sealing mechanism and forms the described grinding roller air seal for isolated dusty gas.
The described grinding roller air seal for isolated dusty gas, described air channel is the gap that the outside of the sealing mechanism be arranged on grinding roller is formed by grinding roller axle sleeve and grinding roller.
The described grinding roller air seal for isolated dusty gas, described pipeline connects the air inlet being arranged on shaft of grinding roller and putting by flexible pipe.
The described grinding roller air seal for isolated dusty gas, described pipeline is provided with expansion joint.
The described grinding roller air seal for isolated dusty gas, is provided with valve between described pipeline and blower fan.
The described grinding roller air seal for isolated dusty gas, described valve is any in needle-valve or butterfly valve or magnetic valve or ball valve.
The described grinding roller air seal for isolated dusty gas, described blower fan is set at least two and is connected in parallel by tube connector, described tube connector connecting pipe.
The described grinding roller air seal for isolated dusty gas, is provided with valve between described blower fan and tube connector.
Adopt technical scheme as above, the present invention has superiority as described below:
A kind of grinding roller air seal for isolated dusty gas of the present invention; the hearsay that blower fan blows out to be passed in the air channel on grinding machine by the present invention by pipeline; then pressure reduction is utilized to produce certain wind speed; aeroseal isolated environment is established in the outside of sealing mechanism; protect grinding roller sealing mechanism not damage by the high concentrate dust of Vertical Mill inside; substantially increase the life-span of grinding roller sealing mechanism, also just effectively protect grinding roller bearing, improve the service life etc. of grinding roller.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present invention;
Fig. 2 is the operating diagram that the present invention dries;
In the drawings: 1, blower fan A; 2, blower fan B; 3, valve A; 4, valve B; 5, pipeline; 6, expansion joint; 7, flexible pipe; 8, grinding roller axle sleeve; 9, shaft of grinding roller; 10, sealing mechanism; 11, grinding roller bearing; 12, grinding roller; 13, air inlet; 14, air channel.
[detailed description of the invention]
Can explain the present invention in more detail by the following examples, the present invention is not limited to the following examples;
A kind of grinding roller air seal for isolated dusty gas by reference to the accompanying drawings described in 1 ~ 2, comprise blower fan, pipeline 5 and grinding roller axle sleeve 8, described blower and pipeline 5 connects the air inlet 13 be arranged on grinding roller axle sleeve 8, valve is provided with between described pipeline 5 and blower fan, when implementing of the present invention, suddenly damage to prevent blower fan, reduce the extent of damage to grinding machine, described blower fan is set to two and is connected in parallel by tube connector, namely blower fan A1 and blower fan A2 is set, described tube connector connecting pipe 5, in order to make to switch between two blower fans, at blower fan A1, valve A3 and valve B4 is respectively equipped with between blower fan A2 and tube connector, wherein said valve is any in needle-valve or butterfly valve or magnetic valve or ball valve, further, in order to better implement the present invention, pipeline 5 of the present invention connects the air inlet 13 be arranged on grinding roller axle sleeve 8 by flexible pipe 7, in order to eliminate the effect of expanding with heat and contract with cold, described pipeline 5 is provided with expansion joint 6, further, described air inlet 13 is communicated with the air channel 14 be in outside sealing mechanism 10, and the gap that described air channel 14 is formed by grinding roller axle sleeve 8 and grinding roller 12 for the outside being arranged on the sealing mechanism 10 on grinding roller 12 forms the described grinding roller air seal for isolated dusty gas.
The present invention is in specific implementation process, two Fans are provided, two Fans a preparation and a use, its valve open connected above, and the valve closing that another Fans connects above, introduce grinding roller axle sleeve 8 the clean air outside grinding machine by a wherein Fans by pipeline 5, pipeline 5 is furnished with expansion joint 6, to eliminate the effect of expanding with heat and contract with cold, pipeline 5 is connected by flexible pipe 7 with the grinding roller axle sleeve 8 be arranged on shaft of grinding roller 9, so that install, suitable gap is designed by grinding roller axle sleeve 8 and grinding roller 12 outside the sealing mechanism 10 of grinding roller 12, wherein sealing mechanism 10 is the existing mechanism on grinding machine, will not tire out at this and state its structure, air pressure during normal production in grinding machine is negative pressure, the air pressure of sealing mechanism 10 outside of grinding roller 12 is greater than the pressure that grinding roller 12 surrounding grinding machine includes dust air place, when blower fan the clean air outside grinding machine introduced this gap " air channel 14 " and ensure certain wind speed, clean air is along with continuing to include the flowing of dust air place to grinding machine in gap, therefore, would not there be the intrusion of dust at sealing mechanism 10 place, and then it is isolated to realize dusty gas.
The present invention has following superiority:
1, for high concentration dusty gas environment, design suitable gap, utilize pressure reduction to produce certain wind speed, outside conventional sealing mechanism, establish aeroseal isolated environment;
2, protect grinding roller sealing mechanism not damage by the high concentrate dust of vertical mill inside, substantially increase the life-span of grinding roller potted component, also just effectively protect grinding roller bearing, improve the service life etc. of grinding roller.
Part not in the detailed description of the invention is prior art.
The embodiment selected in this article in order to open object of the present invention, currently thinks to be suitable for, but it is to be understood that the present invention is intended to comprise all changes belonging to the embodiment in this design and invention scope and improvement.
Claims (8)
1. the grinding roller air seal for isolated dusty gas, comprise blower fan, pipeline (5) and grinding roller axle sleeve (8), it is characterized in that: described blower and pipeline (5) connects the air inlet (13) be arranged on grinding roller axle sleeve (8), described air inlet (13) is communicated with the grinding roller air seal for isolated dusty gas described in the formation of air channel (14) being in sealing mechanism (10) outside.
2. the grinding roller air seal for isolated dusty gas according to claim 1, is characterized in that: the gap that described air channel (14) are formed by grinding roller axle sleeve (8) and grinding roller (12) for the outside being arranged on the sealing mechanism (10) on grinding roller (12).
3. the grinding roller air seal for isolated dusty gas according to claim 1, is characterized in that: described pipeline (5) connects the air inlet (13) be arranged on grinding roller axle sleeve (8) by flexible pipe (7).
4. the grinding roller air seal for isolated dusty gas according to claim 1, is characterized in that: described pipeline (5) is provided with expansion joint (6).
5. the grinding roller air seal for isolated dusty gas according to claim 1, is characterized in that: be provided with valve between described pipeline (5) and blower fan.
6. the grinding roller air seal for isolated dusty gas according to claim 1, is characterized in that: described valve is any in needle-valve or butterfly valve or magnetic valve or ball valve.
7. the grinding roller air seal for isolated dusty gas according to claim 1, is characterized in that: described blower fan is set at least two and is connected in parallel by tube connector, described tube connector connecting pipe (5).
8. the grinding roller air seal for isolated dusty gas according to claim 7, is characterized in that: be provided with valve between described blower fan and tube connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410498061.5A CN104258933A (en) | 2014-09-26 | 2014-09-26 | Grinding roller air sealing device for isolating dust-containing air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410498061.5A CN104258933A (en) | 2014-09-26 | 2014-09-26 | Grinding roller air sealing device for isolating dust-containing air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104258933A true CN104258933A (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410498061.5A Pending CN104258933A (en) | 2014-09-26 | 2014-09-26 | Grinding roller air sealing device for isolating dust-containing air |
Country Status (1)
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| CN (1) | CN104258933A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289130A (en) * | 2021-12-31 | 2022-04-08 | 崇左南方水泥有限公司 | Dustproof dust pelletizing system of roll squeezer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4420064A (en) * | 1979-12-17 | 1983-12-13 | Krupp Polysius Ag | Means for lubricating radial shaft sealing rings in grinding rolls |
| CN201375911Y (en) * | 2009-04-16 | 2010-01-06 | 上海宝钢工程技术有限公司 | Grinding-roll sealing device |
| CN102728437A (en) * | 2011-11-21 | 2012-10-17 | 王今奇 | Self-lubricating grinding roll |
| CN203124037U (en) * | 2013-01-24 | 2013-08-14 | 南京中材水泥备件有限公司 | Novel air seal for grinder roll of vertical roller mill |
| CN204261739U (en) * | 2014-09-26 | 2015-04-15 | 洛阳矿山机械工程设计研究院有限责任公司 | A kind of grinding roller air seal for isolated dusty gas |
-
2014
- 2014-09-26 CN CN201410498061.5A patent/CN104258933A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4420064A (en) * | 1979-12-17 | 1983-12-13 | Krupp Polysius Ag | Means for lubricating radial shaft sealing rings in grinding rolls |
| CN201375911Y (en) * | 2009-04-16 | 2010-01-06 | 上海宝钢工程技术有限公司 | Grinding-roll sealing device |
| CN102728437A (en) * | 2011-11-21 | 2012-10-17 | 王今奇 | Self-lubricating grinding roll |
| CN203124037U (en) * | 2013-01-24 | 2013-08-14 | 南京中材水泥备件有限公司 | Novel air seal for grinder roll of vertical roller mill |
| CN204261739U (en) * | 2014-09-26 | 2015-04-15 | 洛阳矿山机械工程设计研究院有限责任公司 | A kind of grinding roller air seal for isolated dusty gas |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289130A (en) * | 2021-12-31 | 2022-04-08 | 崇左南方水泥有限公司 | Dustproof dust pelletizing system of roll squeezer |
| CN114289130B (en) * | 2021-12-31 | 2022-11-08 | 崇左南方水泥有限公司 | Dustproof dust pelletizing system of roll squeezer |
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Application publication date: 20150107 |