CN202377074U - Lubrication cooling system of coal grinding mill - Google Patents
Lubrication cooling system of coal grinding mill Download PDFInfo
- Publication number
- CN202377074U CN202377074U CN2011204497424U CN201120449742U CN202377074U CN 202377074 U CN202377074 U CN 202377074U CN 2011204497424 U CN2011204497424 U CN 2011204497424U CN 201120449742 U CN201120449742 U CN 201120449742U CN 202377074 U CN202377074 U CN 202377074U
- Authority
- CN
- China
- Prior art keywords
- coal pulverizer
- oil
- grinding mill
- cooling system
- coal grinding
- 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
- 239000003245 coal Substances 0.000 title claims abstract description 53
- 238000001816 cooling Methods 0.000 title claims abstract description 23
- 238000005461 lubrication Methods 0.000 title abstract 5
- 239000002828 fuel tank Substances 0.000 claims description 19
- 230000001050 lubricating effect Effects 0.000 claims description 17
- 239000003638 chemical reducing agent Substances 0.000 abstract 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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- Crushing And Grinding (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The utility model discloses a lubrication cooling system of a coal grinding mill. The lubrication cooling system comprises an oil box, an oil pump communicated with the oil box, an oil inlet pipeline connected to a coal grinding mill speed reducer from the oil pump and an oil return pipeline connected to the oil box from the coal grinding mill speed reducer, wherein a heater is arranged at the bottom of the oil box, a cooler is arranged on the oil inlet pipeline, a first thermal resistor is also arranged on the oil inlet pipeline positioned between the cooler and the coal grinding mill speed reducer, a second thermal resistor is arranged on the coal grinding mill speed reducer, a third thermal resistor is arranged in the oil box, and the first thermal resistor, the second thermal resistor, the third thermal resistor, the heater, the cooler, the oil pump and the coal grinding mill speed reducer are all electrically connected on a controller. With the adoption of the lubrication cooling system, lubrication cooling oil is ensured to be at a proper temperature, the coal grinding mill is ensured to normally and stably operate, and the service life of the coal grinding mill is prolonged.
Description
Technical field
The utility model belongs to the coal pulverizer technical field, relates 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.
The utility model content
The utility model technical problem to be solved 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 utility model 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, the coal pulverizer of the utility model 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 utility model:
Fig. 1 is the coal pulverizer lubricating and cooling system structure chart of the utility model.
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 the coal pulverizer lubricating and cooling system of the utility model, 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 the coal pulverizer of the utility model 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 utility model; And be not the qualification that is used as the utility model, as long as in the connotation scope of the utility model, all will drop in claims scope of the utility model 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 |
|---|---|---|---|
| CN2011204497424U CN202377074U (en) | 2011-11-14 | 2011-11-14 | Lubrication cooling system of coal grinding mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204497424U CN202377074U (en) | 2011-11-14 | 2011-11-14 | Lubrication cooling system of coal grinding mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202377074U true CN202377074U (en) | 2012-08-15 |
Family
ID=46625596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204497424U Expired - Lifetime CN202377074U (en) | 2011-11-14 | 2011-11-14 | Lubrication cooling system of coal grinding mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202377074U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380451A (en) * | 2011-11-14 | 2012-03-21 | 上海电气液压气动有限公司 | Lubricating cooling system for coal mill |
| CN102829169A (en) * | 2012-08-27 | 2012-12-19 | 中冶南方工程技术有限公司 | Lubricating cleaning system for coal mill |
| 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 |
| CN111022433A (en) * | 2019-12-20 | 2020-04-17 | 中煤科工集团西安研究院有限公司 | Colliery is hydraulic oil on-line monitoring and automatic control system of rig in pit |
| CN114718926A (en) * | 2022-04-14 | 2022-07-08 | 中国煤炭科工集团太原研究院有限公司 | Hydraulic positioning control system for anchor rod drill carriage |
-
2011
- 2011-11-14 CN CN2011204497424U patent/CN202377074U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380451A (en) * | 2011-11-14 | 2012-03-21 | 上海电气液压气动有限公司 | Lubricating cooling system for coal mill |
| CN102829169A (en) * | 2012-08-27 | 2012-12-19 | 中冶南方工程技术有限公司 | Lubricating cleaning system for coal mill |
| 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 |
| CN111022433A (en) * | 2019-12-20 | 2020-04-17 | 中煤科工集团西安研究院有限公司 | Colliery is hydraulic oil on-line monitoring and automatic control system of rig in pit |
| CN111022433B (en) * | 2019-12-20 | 2022-03-15 | 中煤科工集团西安研究院有限公司 | Colliery is hydraulic oil on-line monitoring and automatic control system of rig in pit |
| CN114718926A (en) * | 2022-04-14 | 2022-07-08 | 中国煤炭科工集团太原研究院有限公司 | Hydraulic positioning control system for anchor rod drill carriage |
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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: 20120815 |