CN102818104A - Grinding roller lubricating system of four-roller vertical mill - Google Patents
Grinding roller lubricating system of four-roller vertical mill Download PDFInfo
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- CN102818104A CN102818104A CN2012103042717A CN201210304271A CN102818104A CN 102818104 A CN102818104 A CN 102818104A CN 2012103042717 A CN2012103042717 A CN 2012103042717A CN 201210304271 A CN201210304271 A CN 201210304271A CN 102818104 A CN102818104 A CN 102818104A
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- oil
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- vertical mill
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Abstract
The invention discloses a grinding roller lubricating system of a four-roller vertical mill. The grinding roller lubricating system comprises an oil supply pipeline, an oil return pipeline and an oil tank, wherein lubricating oil is stored in the oil tank, and the oil supply pipeline and the oil return pipeline are respectively connected between the oil tank and an oil cavity of four grinding rollers of the vertical mill, so a circulation oil supply loop is formed, wherein the oil supply loop is sequentially connected with an oil pump assembly, a one-way valve, a filter, a gear flow rate distributor and a valve from the oil tank, in addition, a bypass pipeline is led out between the gear flow rate distributor and the filter and is communicated with the oil tank, a throttle valve is arranged on the bypass pipeline, and the oil return pipeline is sequentially connected with the filter, the oil pump assembly and the one-way valve from the oil cavity of the grinding rollers. The grinding roller lubricating system has the following advantages that the four grinding rollers always maintain the same oil supply quantity, and the insufficient oil supply of a certain grinding roller is avoided; the grinding roller lubricating system has the characteristics that the circulation oil pump is saved, the energy consumption is reduced, the oil overflow of the grinding rollers is prevented, and the like; and in addition, higher safety and higher reliability are realized.
Description
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Technical field
The invention belongs to the vertical grinder of industries such as being applied to building materials, metallurgy or cement, relate in particular to the grinding roller lubricating oil supply system of four roller Vertical Mills.
Background technique
Because the grinding roller of vertical roller grinder is in running the time; Absorbed its heat of ambient temperature transmission higher in grinding on the one hand; Along with the rotation of grinding roller, the grinding roller bearing also can produce great amount of heat on the other hand, and this just needs the grinding roller lubrication system for the grinding roller bearing recycle oil stream to be provided; Take away these heats and wearing and tearing impurity, grinding roller is played cooling and lubrication.
Four traditional grinding roller lubrication systems; Mainly be have four oil feed pumps respectively from fuel tank oil suction supply lubricant oil oil respectively to four grinding rollers respectively; Lubricant oil is inhaled back from four grinding rollers respectively by four dump pumps simultaneously, gets back to fuel tank after the filtration of oil stream process, the cooling, circulates thereby form an oil stream.
Four traditional grinding roller lubrication systems in use also exist on the following cost and technical deficiency: (1) is when ambient temperature is low; Start is preceding for the fluid in the heating fuel tank; System needs configuration one station internal circulation pump in addition; ON cycle pump in opening electric heater has increased the manufacture cost of equipment when having reduced heating time.(2) though balance tube can guarantee that pressure equates between grinding roller oil pocket and fuel tank, long owing to return line in the winter of cold, the recirculating oil quantity minimizing causes grinding roller oil pocket liquid level to rise; Fluid is met cold flow speed slowly after diffusing in balance tube, and perhaps equalizing line exists V-type, the U type is curved, is easy to cause balance tube to stop up; Make that the monitoring of grinding roller bearing bore internal pressure is disorderly; Destroy oil feed pump and open/the stoppage in transit commentaries on classics time, even cause grinding roller lubricant oil to overflow in a large number, increased the maintenance cost of equipment.(3) all motor of needs is as power source because every oil feed pump is with dump pump, and long-time running power consumption is big, has increased the operating cost of equipment.(4) owing to connect the difference of the pipeline distance of four grinding rollers, it is different to cause getting into each grinding roller fuel delivery easily.
Summary of the invention
Goal of the invention: the problem and shortage to above-mentioned existing existence, the purpose of this invention is to provide a kind of four roller Vertical Mill grinding roller lubrication systems, make each grinding roller have identical fuel delivery, and can prevent oil spilling, have characteristics such as low in energy consumption, security of operation.
Technological scheme: for realizing the foregoing invention purpose; The present invention adopts following technological scheme: a kind of four roller Vertical Mill grinding roller lubrication systems; Comprise oil feed line, return line and contain the fuel tank of lubricant oil; Be connected with oil feed line and return line respectively between the oil pocket of four grinding rollers of said Vertical Mill and the fuel tank, thereby form the circulation oil supply loop; Wherein said oil supply loop is connected with oil pump assembly, one-way valve, filter, gear flow distributor and valve in turn from fuel tank, and draws bypass duct between gear flow distributor and the filter and be communicated with fuel tank, and this bypass duct is provided with throttle valve; Said return line is connected with filter, oil pump assembly and one-way valve in turn from the grinding roller oil pocket.
Owing to adopt the gear flow distributor; Thereby make no matter the far and near length of the oil feed line of four grinding rollers or be to exist V-type or U type crooked is avoided certain grinding roller because fuel feeding causes dry wear or certain grinding roller over feeding to cause oil spilling inadequately thereby all have identical fuel delivery; The bypass duct of the band throttle valve that is provided with simultaneously can be controlled the oil mass of sending of grinding roller, thereby in time avoids the interior oil spilling of grinding roller oil pocket to cause lubricant oil to waste in a large number.
Draw return line between the gear flow distributor of said oil feed line and the valve and be communicated with fuel tank.Lubricant oil need be heated to suitable temperature and could send oil to grinding roller when at cold snap, and this moment, throttle down was opened the valve on the return line; Start the oil pump assembly; Lubricant oil in forming this moment in the circulation heating fuel tank, thus avoided disposing a table oil pump in addition again, reduced cost.
As preferably, the oil pump assembly on the said return line is the duplex dump pump, thereby can reduce the configuration of motor, reduces cost.
As preferably, on the said oil feed line parallel connection be provided with two cover oil pump assembly and one-way valves, thereby when grinding roller need overhaul, only need open a table oil pump one group of grinding roller is carried out fuel feeding, thereby plays the effect that cuts down the consumption of energy.
As preferably, also be provided with bypass duct on the said return line, and be communicated with, and this bypass duct is provided with throttle valve, thereby can control oil absorption and prevent that dump pump from inhaling empty with fuel tank.
Beneficial effect: compared with prior art, the present invention has the following advantages: four grinding rollers are remained identical fuel delivery avoid indivedual grinding roller fuel feeding not enough; Have the oil circulating pump of saving, cut down the consumption of energy and prevent characteristics such as grinding roller oil spilling, and more safe and reliable.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Wherein, fuel tank 1, oil pump assembly 2, one-way valve 3, filter 4, gear flow distributor 5, bypass duct 6, throttle valve 7, cooler 8, grinding roller 9, valve 10.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment; Further illustrate the present invention; Should understand these embodiments only be used to the present invention is described and be not used in the restriction scope of the present invention; After having read the present invention, those skilled in the art all fall within the application's accompanying claims institute restricted portion to the modification of the various equivalent form of values of the present invention.
As shown in Figure 1; A kind of four roller Vertical Mill grinding roller lubrication systems; Comprise oil feed line, return line and contain the fuel tank 1 of lubricant oil, be connected with oil feed line and return line respectively between the oil pocket of four grinding rollers of said Vertical Mill and the fuel tank 1, thereby form the circulation oil supply loop; Wherein said oil supply loop is connected with oil pump assembly 2, one-way valve 3, filter 4, gear flow distributor 5 and valve 10 in turn from fuel tank 1; And also draw bypass duct 6 between gear flow distributor 5 and the filter 4 and be communicated with fuel tank 1, this bypass duct 6 is provided with 7 pairs of total fuel deliveries of throttle valve and regulates control; Said return line is connected with filter 4, oil pump assembly 2 and one-way valve 3 and cooler 8 in turn from the grinding roller oil pocket.Simultaneously draw return line between the gear flow distributor 5 of oil feed line and the valve 10 and be connected, the fuel delivery of each grinding roller grinding roller is regulated control with fuel tank 1; The oil pump assembly 2 of return line adopts the duplex dump pumps in addition, and draws in filter 4 back and to establish place's one bypass pipeline 6 and be connected with fuel tank 1,7 pairs of recirculating oil quantities of throttle valve is set on this bypass duct 6 controls.System's groundwork principle and function description are following:
One, oil feed line: start oil feed pump and from fuel tank 1, sucks after lubricating oil passes through filter 4, gear flow distributor 5, valve 10 successively through pipeline, in the oil pocket through oil inlet pipe entering grinding roller.
Two, return line: start the duplex dump pump, lubricating oil is inhaled back from the grinding roller oil pocket, through oil stream indicator; Valve 10, filter 4 passes through one-way valve 3 after dump pump is discharged; Valve 10; Get into cooler 8 and cool off, get at last and get back to fuel tank 1 after filter 4 filters, so far system accomplishes once circulation.
Three, throttle valve 7 can be used for regulating the fuel delivery of grinding roller; Throttle valve 7 can be used for regulating the recirculating oil quantity of grinding roller, can prevent that in addition the dump pump suction is empty.
Four, the effect of filter 4 is to filter out particle foreign material big in the grinding roller oil return, protects dump pump to greatest extent, the filter 4 and respectively impurity of fluid in fuel feeding and the return line effectively being filtered.
Five, the valve on the oil circuit uses when stand-alone debugging and self-loopa heating; When certain grinding roller breaks down; Can this that break down be lifted grinding roller simultaneously, regulating valve then, and stop corresponding dump pump; Let other a pair of grinding roller work on, so just can under the situation of not stopping to grind, overhaul the grinding roller that breaks down.
Six, the personnel of patrolling and examining can observe flow, pressure, the temperature of lubricating oil through observing instrument and apparatus such as oil stream indicator, pressure gauge, bimetallic thermometer; Judge tentatively whether system's operation is normal, and middle control can be monitored pressure, the temperature of system through pressure switch, liquid-level switch, platinum thermoresistance etc. at any time.
Claims (5)
1. roller Vertical Mill grinding roller lubrication system; It is characterized in that: comprise oil feed line, return line and contain the fuel tank of lubricant oil; Be connected with oil feed line and return line respectively between the oil pocket of four grinding rollers of said Vertical Mill and the fuel tank, thereby form the circulation oil supply loop; Wherein said oil supply loop is connected with oil pump assembly, one-way valve, filter, gear flow distributor and valve in turn from fuel tank, and draws bypass duct between gear flow distributor and the filter and be communicated with fuel tank, and this bypass duct is provided with throttle valve; Said return line is connected with filter, oil pump assembly and one-way valve in turn from the grinding roller oil pocket.
2. according to the said four roller Vertical Mill grinding roller lubrication systems of claim 1, it is characterized in that: draw return line between the gear flow distributor of said oil feed line and the valve and be communicated with fuel tank.
3. according to the said four roller Vertical Mill grinding roller lubrication systems of claim 1, it is characterized in that: the oil pump assembly on the said return line is the duplex dump pump.
4. according to the said four roller Vertical Mill grinding roller lubrication systems of claim 1, it is characterized in that: parallel connection is provided with two cover oil pump assembly and one-way valves on the said oil feed line.
5. according to the said four roller Vertical Mill grinding roller lubrication systems of claim 1, it is characterized in that: also be provided with bypass duct on the said return line, and be communicated with, and this bypass duct is provided with throttle valve with fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103042717A CN102818104A (en) | 2012-08-23 | 2012-08-23 | Grinding roller lubricating system of four-roller vertical mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103042717A CN102818104A (en) | 2012-08-23 | 2012-08-23 | Grinding roller lubricating system of four-roller vertical mill |
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| Publication Number | Publication Date |
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| CN102818104A true CN102818104A (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012103042717A Pending CN102818104A (en) | 2012-08-23 | 2012-08-23 | Grinding roller lubricating system of four-roller vertical mill |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807242A (en) * | 2013-11-28 | 2014-05-21 | 芜湖恒升重型机床股份有限公司 | Control device for hydrostatic guideway of vertical lathe |
| CN106352223A (en) * | 2016-11-11 | 2017-01-25 | 哈尔滨广瀚动力传动有限公司 | Multi-bearing lubricating system |
| CN107757838A (en) * | 2016-08-19 | 2018-03-06 | 维姆有限责任公司 | Gyroscopic stabilization device |
| CN107917331A (en) * | 2016-10-09 | 2018-04-17 | 上海梅山钢铁股份有限公司 | Bearing lubrication system prior-warning device and emergency method |
| CN113464632A (en) * | 2021-05-20 | 2021-10-01 | 蓝箭航天技术有限公司 | Multi-station lubricating oil supply system and control method thereof |
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| CN2417363Y (en) * | 2000-03-13 | 2001-01-31 | 周盛夫 | Static pressure bearing lubricant supplying arrangement for energy saving type ball mill |
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| CN201215240Y (en) * | 2008-06-17 | 2009-04-01 | 南通市南方润滑液压设备有限公司 | Full static pressure bearing lubrication station |
| CN201215104Y (en) * | 2008-06-17 | 2009-04-01 | 南通市南方润滑液压设备有限公司 | Variable moning blade axial flow fan lubrication apparatus for power station |
| CN201615328U (en) * | 2010-03-05 | 2010-10-27 | 江苏大峘集团有限公司 | Circulation cooling lubricating system of microniser grinding roller bearing |
| CN202733387U (en) * | 2012-08-23 | 2013-02-13 | 南京西普水泥工程集团有限公司 | Grinding roller lubricating system for four-roller vertical mills |
-
2012
- 2012-08-23 CN CN2012103042717A patent/CN102818104A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2614665A1 (en) * | 1987-04-28 | 1988-11-04 | Errta Sarl | Hydropneumatic compression spring with adjustable or automatically controlled force |
| CN2097944U (en) * | 1991-04-16 | 1992-03-04 | 沈阳润滑设备厂 | Thin oil lubrication equipment |
| WO1995010729A1 (en) * | 1993-10-13 | 1995-04-20 | Kvaerner Hymac Inc. | Lubricant supply safety system |
| US5693217A (en) * | 1994-08-30 | 1997-12-02 | Filterwerk Mann & Hummel Gmbh | Fluid circuit with a primary stream filter and a bypass stream centrifuge |
| CN2417363Y (en) * | 2000-03-13 | 2001-01-31 | 周盛夫 | Static pressure bearing lubricant supplying arrangement for energy saving type ball mill |
| CN2438912Y (en) * | 2000-07-31 | 2001-07-11 | 四川川润(集团)有限公司 | Feeding device for lubrication of large vertical rotary machinery |
| CN2753712Y (en) * | 2004-12-15 | 2006-01-25 | 中国国际海运集装箱(集团)股份有限公司 | Dual fork platform synchronous lifting control device |
| CN201090926Y (en) * | 2007-09-25 | 2008-07-23 | 苏州东菱振动试验仪器有限公司 | Pressure lubrication oil circulation loop |
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| CN201215104Y (en) * | 2008-06-17 | 2009-04-01 | 南通市南方润滑液压设备有限公司 | Variable moning blade axial flow fan lubrication apparatus for power station |
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| CN202733387U (en) * | 2012-08-23 | 2013-02-13 | 南京西普水泥工程集团有限公司 | Grinding roller lubricating system for four-roller vertical mills |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807242A (en) * | 2013-11-28 | 2014-05-21 | 芜湖恒升重型机床股份有限公司 | Control device for hydrostatic guideway of vertical lathe |
| CN103807242B (en) * | 2013-11-28 | 2016-03-02 | 芜湖恒升重型机床股份有限公司 | Vertical lathe hydrostatic slideway control gear |
| CN107757838A (en) * | 2016-08-19 | 2018-03-06 | 维姆有限责任公司 | Gyroscopic stabilization device |
| CN107757838B (en) * | 2016-08-19 | 2022-02-08 | 维姆有限责任公司 | Gyroscope stabilizer |
| CN107917331A (en) * | 2016-10-09 | 2018-04-17 | 上海梅山钢铁股份有限公司 | Bearing lubrication system prior-warning device and emergency method |
| CN106352223A (en) * | 2016-11-11 | 2017-01-25 | 哈尔滨广瀚动力传动有限公司 | Multi-bearing lubricating system |
| CN106352223B (en) * | 2016-11-11 | 2018-12-18 | 哈尔滨广瀚动力传动有限公司 | A kind of multiple bearing lubricating system |
| CN113464632A (en) * | 2021-05-20 | 2021-10-01 | 蓝箭航天技术有限公司 | Multi-station lubricating oil supply system and control method thereof |
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Application publication date: 20121212 |