CN102380451A - Lubricating cooling system for coal mill - Google Patents
Lubricating cooling system for coal mill Download PDFInfo
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- CN102380451A CN102380451A CN2011103600954A CN201110360095A CN102380451A CN 102380451 A CN102380451 A CN 102380451A CN 2011103600954 A CN2011103600954 A CN 2011103600954A CN 201110360095 A CN201110360095 A CN 201110360095A CN 102380451 A CN102380451 A CN 102380451A
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- coal pulverizer
- oil
- coal mill
- cooling system
- cooler
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Abstract
The invention discloses a lubricating cooling system for a coal mill, which comprises an oil tank, an oil pump, an oil inlet pipeline and an oil return pipeline, wherein the oil pump is connected to the oil tank; the oil inlet pipeline is connected from the oil pump to a reduction box of the coal mill; the oil return pipeline is connected from the reduction box of the coal mill to the oil tank; a heater is arranged at the bottom of the oil tank; a cooler is arranged on the oil inlet pipeline; a first thermal resistor is arranged on the oil inlet pipeline and located between the cooler and the reduction box of the coal mill; a second thermal resistor is arranged on the reduction box of the coal mill; a third thermal resistor is arranged in the oil tank; and the first thermal resistor, the second thermal resistor, the third thermal resistor, the heater, the cooler, the oil pump and the reduction box of the coal mill are all electrically connected to a controller. The lubricating cooling system for the coal mill provided by the invention has the advantage of capability of keeping the lubricating cooling oil at a suitable temperature and is beneficial to ensuring the stable normal running of the coal mill and prolonging the service life of the coal mill.
Description
Technical field
The invention belongs to the coal pulverizer technical field, relate to the coal pulverizer lubricating and cooling system.
Background technology
Coal pulverizer is with coal crusher and wears into the machinery of coal dust that it is the important auxiliary equipment of coal-powder boiler.Coal pulverizer is in running, and its reductor can generate heat and easy abrasion, normally moves for guaranteeing coal pulverizer, is necessary to the reductor cooling and is lubricated.But present coal pulverizer lubricating and cooling system only be through a petroleum pipeline to the reductor fuel feeding, can't guarantee that lubricating cooling oil is in suitable temperature all the time, thereby cause coal pulverizer operation troubles to occur easily.
Summary of the invention
Technical problem to be solved by this invention provides a kind of coal pulverizer lubricating and cooling system that can the Based Intelligent Control lubricating cooling oil be in suitable temperature, to overcome the deficiency that prior art exists.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of coal pulverizer lubricating and cooling system comprises fuel tank, the oil pump that is communicated with fuel tank; Be connected to the in-line of coal pulverizer reductor from oil pump; Be connected to the return line of fuel tank from the coal pulverizer reductor, it is characterized in that: said fuel tank bottom is provided with heater, and said in-line is provided with cooler; Between cooler and coal pulverizer reductor, also be provided with first thermal resistance on the said in-line; Said coal pulverizer reductor is provided with second thermal resistance, is provided with the 3rd thermal resistance in the fuel tank, and said first thermal resistance, second thermal resistance, the 3rd thermal resistance, heater, cooler, oil pump, coal pulverizer reductor all are electrically connected to controller.
For improving the efficiency of heating surface, on said return line, also be provided with the dish torrid zone, also be provided with temperature switch in the position near return line of fuel tank, the said dish torrid zone and temperature switch also are electrically connected to controller.
For the lubricating cooling oil that guarantees to get in the coal pulverizer reductor keeps pure, between cooler and oil pump, also be provided with filter on the said in-line.
Flow for lubricating cooling oil in the control entering coal pulverizer reductor also is provided with flow switch on the said oil inlet pipe between first thermal resistance and coal pulverizer reductor, said flow switch also is electrically connected to controller.
Therefore, coal pulverizer of the present invention is lubricated coldly goes to system to have to guarantee that lubricating cooling oil is in the advantage of suitable temperature, help guaranteeing the operation of coal pulverizer normal and stable, prolong the service life of coal pulverizer.
Description of drawings
Be elaborated below in conjunction with accompanying drawing and specific embodiment the present invention:
Fig. 1 is a coal pulverizer lubricating and cooling system structure chart of the present invention.
The specific embodiment
As shown in Figure 1, comprise fuel tank 101, the oil pump 102 that is communicated with fuel tank 101 is connected to the in-line 300 of coal pulverizer reductor 200 from oil pump 102, is connected to the return line 400 of fuel tank 100 from coal pulverizer reductor 200.
Wherein, fuel tank 101 bottoms are provided with heater 110 and the 3rd thermal resistance 103.Oil pump 102 is to being provided with filter 104, cooler 105, first thermal resistance 106 and flow switch 107 successively on the in-line 300 between the coal pulverizer reductor 200, is provided with temperature switch 112 at fuel tank 101 near the position of migration pipeline 400.
Be provided with 4 second thermal resistances 108 around the coal pulverizer reductor 200.Return line 400 is provided with the dish torrid zone 109.
Above-mentioned oil pump 102, first thermal resistance 106, second thermal resistance 108 and the 3rd thermal resistance 103, temperature switch 112, heater 110, cooler 105, the dish torrid zone 109, oil pump 102 and coal pulverizer reductor 200 all are electrically connected to the controller (not shown).
Stop up for fear of oil circuit, be parallel with pressure difference switch 111 respectively on cooler 105 and the filter 104, when cooler 104 or filter 104 generation obstructions, it is excessive that pressure difference switch 111 will detect two ends pressure reduction, thereby send warning.
In addition, in order to monitor the ruuning situation of whole system better, corresponding each position also is provided with thermometer 500, Pressure gauge 600, pressure switch 700 on in-line 300.For showing the oil tank liquid level situation, be provided with liquid-level switch 800 in the fuel tank 101.
More than be exactly coal pulverizer lubricating and cooling system of the present invention, the controlled condition of this system's various piece is following:
1, when the oil temperature of first electrical resistance monitoring in the in-line＞30 ℃, coal pulverizer permission work; Oil temperature＞60 ℃ is reported to the police; Oil temperature＞65 ℃ is stopped mill.
2, when second electrical resistance monitoring to coal pulverizer reductor temperature＞75 ℃, report to the police; Oil temperature＞80 ℃ is stopped mill.
3, when the oil temperature of the 3rd electrical resistance monitoring in the fuel tank＞25 ℃, pump start work; Oil temperature＜35 ℃, heater work; Oil temperature＞40 ℃, heater breaks off.
4, detect in the mailbox oil temperature near the return line position＜45 ℃ when temperature switch, coil tropical connection work; Oil temperature＞49 ℃, the dish torrid zone is broken off.
From above detailed description, can find out that coal pulverizer of the present invention is lubricated coldly to be gone to system to have to guarantee that lubricating cooling oil is in the advantage of suitable temperature, help guaranteeing the operation of coal pulverizer normal and stable, prolong the service life of coal pulverizer.
But; Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the present invention; And be not to be used as qualification of the present invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (4)
1. a coal pulverizer lubricating and cooling system comprises fuel tank, the oil pump that is communicated with fuel tank; Be connected to the in-line of coal pulverizer reductor from oil pump; Be connected to the return line of fuel tank from the coal pulverizer reductor, it is characterized in that: said fuel tank bottom is provided with heater, and said in-line is provided with cooler; Between cooler and coal pulverizer reductor, also be provided with first thermal resistance on the said in-line; Said coal pulverizer reductor is provided with second thermal resistance, is provided with the 3rd thermal resistance in the fuel tank, and said first thermal resistance, second thermal resistance, the 3rd thermal resistance, heater, cooler, oil pump, coal pulverizer reductor all are electrically connected to controller.
2. coal pulverizer lubricating and cooling system according to claim 1; It is characterized in that: on said return line, also be provided with the dish torrid zone; Position near return line in fuel tank also is provided with temperature switch, and the said dish torrid zone and temperature switch also are electrically connected to controller.
3. coal pulverizer lubricating and cooling system according to claim 2 is characterized in that: between cooler and oil pump, also be provided with filter on the said in-line.
4. coal pulverizer lubricating and cooling system according to claim 3 is characterized in that: between thermal resistance and coal pulverizer reductor, also be provided with flow switch on the said oil inlet pipe, said flow switch also is electrically connected to controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103600954A CN102380451A (en) | 2011-11-14 | 2011-11-14 | Lubricating cooling system for coal mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103600954A CN102380451A (en) | 2011-11-14 | 2011-11-14 | Lubricating cooling system for coal mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102380451A true CN102380451A (en) | 2012-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103600954A Pending CN102380451A (en) | 2011-11-14 | 2011-11-14 | Lubricating cooling system for coal mill |
Country Status (1)
| Country | Link |
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| CN (1) | CN102380451A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102698862A (en) * | 2012-05-31 | 2012-10-03 | 中冶南方工程技术有限公司 | Lubricating protection control method for powder preparation intermediate-speed mill of blast furnace |
| CN102698861A (en) * | 2012-05-31 | 2012-10-03 | 中冶南方工程技术有限公司 | Lubricating protection control system for powder preparation intermediate-speed mill of blast furnace |
| CN102840315A (en) * | 2012-08-27 | 2012-12-26 | 中冶南方工程技术有限公司 | Coal mill gear case lubricating and cooling washing method |
| CN106423421A (en) * | 2016-09-29 | 2017-02-22 | 贺州钟山县双文碳酸钙新材料有限公司 | Calcium carbonate grinding machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6347757B1 (en) * | 2000-03-16 | 2002-02-19 | Hitachi, Ltd. | Coal mill and reduction gear used therefor |
| CN201337944Y (en) * | 2008-12-31 | 2009-11-04 | 江西铜业集团公司 | Spray oil-temperature auto-control heating device of ball mill |
| CN201884909U (en) * | 2010-12-13 | 2011-06-29 | 汪东方 | Lubricating oil system for coal pulverizer of boiler |
| CN202377074U (en) * | 2011-11-14 | 2012-08-15 | 上海电气液压气动有限公司 | Lubrication cooling system of coal grinding mill |
-
2011
- 2011-11-14 CN CN2011103600954A patent/CN102380451A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6347757B1 (en) * | 2000-03-16 | 2002-02-19 | Hitachi, Ltd. | Coal mill and reduction gear used therefor |
| CN201337944Y (en) * | 2008-12-31 | 2009-11-04 | 江西铜业集团公司 | Spray oil-temperature auto-control heating device of ball mill |
| CN201884909U (en) * | 2010-12-13 | 2011-06-29 | 汪东方 | Lubricating oil system for coal pulverizer of boiler |
| CN202377074U (en) * | 2011-11-14 | 2012-08-15 | 上海电气液压气动有限公司 | Lubrication cooling system of coal grinding mill |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102698862A (en) * | 2012-05-31 | 2012-10-03 | 中冶南方工程技术有限公司 | Lubricating protection control method for powder preparation intermediate-speed mill of blast furnace |
| CN102698861A (en) * | 2012-05-31 | 2012-10-03 | 中冶南方工程技术有限公司 | Lubricating protection control system for powder preparation intermediate-speed mill of blast furnace |
| CN102840315A (en) * | 2012-08-27 | 2012-12-26 | 中冶南方工程技术有限公司 | Coal mill gear case lubricating and cooling washing method |
| CN102840315B (en) * | 2012-08-27 | 2015-07-29 | 中冶南方工程技术有限公司 | Coal pulverizer gearbox lubrication cooling cleaning method |
| CN106423421A (en) * | 2016-09-29 | 2017-02-22 | 贺州钟山县双文碳酸钙新材料有限公司 | Calcium carbonate grinding machine |
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Application publication date: 20120321 |