CN220119122U - Oil leakage prevention control device for grinding roller of cement vertical mill - Google Patents
Oil leakage prevention control device for grinding roller of cement vertical mill Download PDFInfo
- Publication number
- CN220119122U CN220119122U CN202321543848.XU CN202321543848U CN220119122U CN 220119122 U CN220119122 U CN 220119122U CN 202321543848 U CN202321543848 U CN 202321543848U CN 220119122 U CN220119122 U CN 220119122U
- Authority
- CN
- China
- Prior art keywords
- oil
- pipeline
- liquid level
- grinding roller
- lubricating oil
- 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.)
- Active
Links
- 239000004568 cement Substances 0.000 title claims abstract description 17
- 230000002265 prevention Effects 0.000 title claims abstract description 14
- 239000003921 oil Substances 0.000 claims abstract description 132
- 239000010687 lubricating oil Substances 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000011084 recovery Methods 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 5
- 239000002828 fuel tank Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The utility model discloses an oil leakage prevention control device for a grinding roller of a cement vertical mill, wherein an oil inlet of a lubricating oil placing cavity is communicated with an oil tank through an oil inlet pump and a pipeline, an oil return opening of the lubricating oil placing cavity is communicated with the oil tank through an oil return pump and a pipeline, and the lubricating oil placing cavity is communicated with a respirator through an air inlet pipeline; the air inlet pipeline is communicated with the oil tank through the oil recovery pipeline and the control valve. The advantages are that: the air inlet pipeline is respectively communicated with the auxiliary oil tank and the oil recovery pipeline, when the lubricating oil in the lubricating oil placing cavity is at a high liquid level, the lubricating oil enters the oil tank through the oil recovery pipeline and cannot overflow from the respirator, so that the oil waste is reduced, and the lubricating oil is ensured to circulate smoothly; the automatic circulation of lubricating oil is realized through the liquid level meter, the electric valve and the oil recovery pump, and when the liquid level meter monitors that the lubricating oil is at a high liquid level, the electric valve is automatically started to be opened, and the oil recovery pump starts to work without manual monitoring.
Description
Technical field:
the utility model relates to the technical field of grinding rolls of vertical mills, in particular to an oil leakage prevention control device for a grinding roll of a cement vertical mill.
The background technology is as follows:
the vertical mill is a main device for producing cement clinker, and ensures that the vertical mill stably operates and has important significance for cement production lines. The grinding roller is a key component of the vertical mill, in order to ensure smooth production, the grinding roller bearing needs to be lubricated, and in general, the grinding roller lubrication is realized by matching a hydraulic oil tank with a pump and a pipeline, and the basic structure is as shown in fig. 1: the grinding roller 1 is internally provided with a lubricating oil placing cavity 2, an oil inlet 2.1 of the lubricating oil placing cavity 2 is communicated with an oil tank 4 through an oil inlet pump 3 and a pipeline, and an oil return port 2.2 is communicated with the oil tank 4 through an oil return pump 5 and a pipeline; the lubricating oil placing cavity 2 is communicated with the respirator 6 through an air inlet pipeline 6.1. During lubrication, the oil temperature needs to be maintained within a certain temperature range to prevent damage to the roller bearings due to high temperatures.
However, the above lubrication system has the following disadvantages in actual operation: the oil tank is far away from the grinding roller and the viscosity of lubricating oil is large, so that the oil return of the grinding roller is slow, personnel are required to monitor and adjust an oil return valve to adjust the oil return amount, when the oil return is not smooth, the lubricating oil overflows from the respirator to cause the waste of a large amount of oil, and the material cost is increased. At present, the grinding roller bearing is damaged due to poor lubrication, and when lubricating oil cannot circulate well, the grinding roller can be in a high-temperature state, and the service life of the grinding roller bearing is greatly influenced by long-term high temperature.
The utility model comprises the following steps:
the utility model aims to provide the oil leakage prevention control device for the grinding roller of the cement vertical mill, which can automatically monitor the liquid level of lubricating oil, improve the circulation efficiency of the lubricating oil in the grinding roller, prolong the service life of the bearing of the grinding roller and further reduce accidents.
The utility model is implemented by the following technical scheme: the oil leakage prevention control device for the grinding roller of the cement vertical mill comprises a lubricating oil placing cavity, a respirator and an oil tank, wherein the lubricating oil placing cavity, the respirator and the oil tank are arranged in the grinding roller, an oil inlet of the lubricating oil placing cavity is communicated with the oil tank through an oil inlet pump and a pipeline, an oil return port of the lubricating oil placing cavity is communicated with the oil tank through an oil return pump and a pipeline, and the lubricating oil placing cavity is communicated with the respirator through an air inlet pipeline; the oil tank is characterized by further comprising an oil recovery pipeline and a control valve, wherein the air inlet pipeline is communicated with the oil tank through the oil recovery pipeline and the control valve.
Preferably, the oil recovery device further comprises an oil recovery pump, and the oil recovery pump is arranged on the oil recovery pipeline between the control valve and the oil tank.
Preferably, the auxiliary fuel tank further comprises an auxiliary fuel tank, and the auxiliary fuel tank is communicated with the air inlet pipeline through an auxiliary fuel tank pipeline.
Preferably, the automatic oil level control device further comprises a liquid level meter, wherein the liquid level meter is arranged in the auxiliary oil tank, and a liquid level contact of the liquid level meter is electrically connected with the control valve.
Preferably, the high level contact of the level gauge is electrically connected with the oil recovery pump.
Preferably, the control valve is an electrically operated valve.
Preferably, the high liquid level contact of the liquid level meter is connected with the opening control signal input end of the electric valve, and the low liquid level contact of the liquid level meter is connected with the closing control signal input end of the electric valve.
Preferably, the electric valve further comprises a contactor, wherein a coil of the contactor is connected with an in-place signal output end of the electric valve; and a normally open contact of the contactor is connected with a motor of the oil recovery pump.
The utility model has the advantages that: the air inlet pipeline is respectively communicated with the auxiliary oil tank and the oil recovery pipeline, when the lubricating oil in the lubricating oil placing cavity is at a high liquid level, the lubricating oil enters the oil tank through the oil recovery pipeline and cannot overflow from the respirator, so that the oil waste is reduced, and the lubricating oil is ensured to circulate smoothly; the automatic circulation of lubricating oil is realized through the liquid level meter, the electric valve and the oil recovery pump, and when the liquid level meter monitors that the lubricating oil is at a high liquid level, the electric valve is automatically started to be opened, and the oil recovery pump starts to work without manual monitoring.
Description of the drawings:
in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a prior art grinding roll lubrication system.
Fig. 2 is a schematic diagram of the device connection according to embodiment 1 of the present utility model.
Fig. 3 is a structural diagram of embodiment 2 of the present utility model.
Fig. 4 is a circuit connection diagram of the electric valve of example 2.
Fig. 5 is a circuit connection diagram of the lubricant pump of embodiment 2.
Grinding roller 1, lubricating oil placing cavity 2, oil inlet 2.1, oil return port 2.2, oil inlet pump 3, oil tank 4, oil return pump 5, breather 6, air inlet pipeline 6.1, oil recovery pipeline 7, control valve 8, open control signal input end 8.1, close control signal input end 8.2, oil recovery pump 9, level gauge 10, high liquid level contact 10.1, low liquid level contact 10.2, open in-place signal output end 8.3, auxiliary oil tank 11, auxiliary oil tank pipeline 11.1, contactor KM.
The specific embodiment is as follows:
the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
the oil leakage prevention control device for the grinding roller of the cement vertical mill shown in fig. 2 comprises a lubricating oil placing cavity 2, a breather 6 and an oil tank 4 which are arranged in the grinding roller. The oil inlet 2.1 of the lubricating oil placing cavity 2 is communicated with the oil tank 4 through the oil inlet pump 3 and the pipeline, the oil return opening 2.2 of the lubricating oil placing cavity 2 is communicated with the oil tank 4 through the oil return pump 5 and the pipeline, and the lubricating oil placing cavity 2 is communicated with the respirator 6 through the air inlet pipeline 6.1.
In addition, it still includes oil recovery pipeline 7, control valve 8, oil recovery pump 9, and intake duct 6.1 is through oil recovery pipeline 7 and control valve 8 and oil tank 4 intercommunication, is equipped with oil recovery pump 9 on the oil recovery pipeline 7 between control valve 8 and the oil tank 4. When the circulation of the lubricating oil in the lubricating oil placing cavity 2 is not smooth or the liquid level is high, the control valve 8 is opened and the oil recovery pump 9 is started, and the lubricating oil directly enters the oil tank 4 through the oil recovery pipeline 7.
Example 2:
the overall structure of this embodiment is the same as that of embodiment 1, except that it further includes a secondary tank 11, a level gauge 10, and a contactor KM, as shown in fig. 3, the level gauge 10 is disposed in the secondary tank 11, and the secondary tank 11 communicates with the intake pipe 6.1 through the secondary tank pipe 11.1.
In this embodiment, the contactor KM is further included and the control valve 8 is an electrically operated valve, as shown in fig. 4 to 5. The high level contact 10.1 of the level gauge 10 is connected to the open control signal input 8.1 of the control valve 8, and the low level contact 10.2 of the level gauge 10 is connected to the close control signal input 8.2 of the control valve 8. The high level contact 10.1 of the level gauge 10 is electrically connected to the oil recovery pump 9. The coil of the contactor KM is connected with an in-place signal output end 8.3 of the control valve 8; the normally open contact of the contactor KM is connected to the motor of the oil recovery pump 9.
Description of use:
1. when the lubricating oil in the lubricating oil placing cavity 2 is at a high liquid level, the lubricating oil enters the auxiliary oil tank 11 through the air inlet pipeline 6.1 and the auxiliary oil tank pipeline 11.1, and the liquid level meter 10 monitors the liquid level in the auxiliary oil tank 11.
2. When the liquid level meter 10 monitors that the auxiliary oil tank 11 is at a high liquid level, a high liquid level contact 10.1 of the liquid level meter 10 is closed, an opening control signal input end 8.1 of the control valve 8 is powered on, and the control valve 8 is opened.
3. When the control valve 8 is opened in place, the in-place signal output end 8.3 of the control valve 8 outputs high level, the coil of the contactor KM is electrified, the normally open contact of the contactor KM is closed, the motor of the oil recovery pump 9 is started, and the auxiliary oil tank 11 and the oil in the lubricating oil placing cavity 2 are recovered into the oil tank 4.
4. When the level gauge 10 monitors that the liquid level in the auxiliary oil tank 11 is no longer at the high level, the low level contact 10.2 of the level gauge 10 is closed, the off control signal input end 8.2 of the control valve 8 is powered on, the control valve 8 is closed, and simultaneously, the motor of the oil recovery pump 9 is stopped.
The circulation is repeated, so that lubricating oil is prevented from overflowing to the respirator, oil waste is reduced, and oil recovery efficiency is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The oil leakage prevention control device for the grinding roller of the cement vertical mill comprises a lubricating oil placing cavity, a respirator and an oil tank, wherein the lubricating oil placing cavity, the respirator and the oil tank are arranged in the grinding roller, an oil inlet of the lubricating oil placing cavity is communicated with the oil tank through an oil inlet pump and a pipeline, an oil return port of the lubricating oil placing cavity is communicated with the oil tank through an oil return pump and a pipeline, and the lubricating oil placing cavity is communicated with the respirator through an air inlet pipeline; it is characterized in that the method comprises the steps of,
the oil tank is characterized by further comprising an oil recovery pipeline and a control valve, wherein the air inlet pipeline is communicated with the oil tank through the oil recovery pipeline and the control valve.
2. The oil leakage prevention control device for the grinding roller of the cement vertical mill according to claim 1, further comprising an oil recovery pump, wherein the oil recovery pump is arranged on the oil recovery pipeline between the control valve and the oil tank.
3. The oil leakage prevention control device for the grinding roller of the cement vertical mill according to claim 2, further comprising a secondary oil tank, wherein the secondary oil tank is communicated with the air inlet pipeline through a secondary oil tank pipeline.
4. A cement vertical mill grinding roller oil leakage control device according to claim 3, further comprising a liquid level meter, wherein the liquid level meter is arranged in the auxiliary oil tank, and a liquid level contact of the liquid level meter is electrically connected with the control valve.
5. The oil leakage prevention control device for a grinding roller of a cement vertical mill according to claim 4, wherein a high liquid level contact of the liquid level meter is electrically connected with the oil recovery pump.
6. The oil leakage prevention control device for the grinding roller of the cement vertical mill according to claim 5, wherein the control valve is an electric valve.
7. The oil leakage prevention control device for the grinding roller of the cement vertical mill according to claim 6, wherein a high liquid level contact of the liquid level meter is connected with an opening control signal input end of the electric valve, and a low liquid level contact of the liquid level meter is connected with a closing control signal input end of the electric valve.
8. The oil leakage prevention control device for the grinding roller of the cement vertical mill according to claim 7, further comprising a contactor, wherein a coil of the contactor is connected with an in-place signal output end of the electric valve; the normally open contact of the contactor is electrically connected with the motor of the oil recovery pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321543848.XU CN220119122U (en) | 2023-06-16 | 2023-06-16 | Oil leakage prevention control device for grinding roller of cement vertical mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321543848.XU CN220119122U (en) | 2023-06-16 | 2023-06-16 | Oil leakage prevention control device for grinding roller of cement vertical mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220119122U true CN220119122U (en) | 2023-12-01 |
Family
ID=88893884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321543848.XU Active CN220119122U (en) | 2023-06-16 | 2023-06-16 | Oil leakage prevention control device for grinding roller of cement vertical mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220119122U (en) |
-
2023
- 2023-06-16 CN CN202321543848.XU patent/CN220119122U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201795258U (en) | Automatic lubricating device for motor bearing | |
| CN107355663B (en) | A kind of phase modulation lubricating oil system and its control method | |
| CN212156602U (en) | Vertical roller mill grinding roller lubricating device | |
| CN220119122U (en) | Oil leakage prevention control device for grinding roller of cement vertical mill | |
| CN103591431A (en) | Outer circulation oil lubricating device for bearings of water-turbine generator sets | |
| CN214369194U (en) | Oil-gas circulation lubricating system | |
| CN205447214U (en) | Gas turbine water injection unit auxiliary engine lubricating system | |
| CN207093158U (en) | The supporting main oil pump of centrifugal compressor, which is driven, applied to vapour adjusts petrol station for the lubrication that vapour drives | |
| CN203225616U (en) | 600MW nuclear power conventional island auxiliary generator seal oil system | |
| CN210624125U (en) | High-speed motor oil mist lubricating device | |
| CN206093453U (en) | Gas turbine auxiliary oil cylinders system | |
| CN106885125A (en) | Bearing of motor automatic oiling device | |
| CN206816801U (en) | A kind of center drive speed reducer Lubricating-oil Station | |
| CN108087322B (en) | Lubricating system of turbine compressor unit | |
| CN106051438A (en) | Knitter table automatic lubricating device and control method | |
| CN102052556A (en) | Automatic lubricating system for kneading refiner | |
| CN210398340U (en) | Thin oil station | |
| CN212986717U (en) | Lubricating oil filling and recycling integrated device and mobile device thereof | |
| CN210033806U (en) | Hydraulic control system of thin oil station | |
| CN114576539A (en) | Thin oil station integrated control system | |
| CN207005673U (en) | A kind of phase modulation lubricating oil system | |
| CN208634009U (en) | Control system for improving utilization rate of vacuum pump | |
| CN205295581U (en) | Automatic backpressure, wounded oil strain in visual maze, then electric programme -controlled wireless spindle wash tanker aircraft | |
| CN202107585U (en) | Purification device of circulation cooling water | |
| CN218720561U (en) | Negative pressure device for gas blower lubricating oil station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |