CN209762682U - Coal mill oil station - Google Patents
Coal mill oil station Download PDFInfo
- Publication number
- CN209762682U CN209762682U CN201822215231.0U CN201822215231U CN209762682U CN 209762682 U CN209762682 U CN 209762682U CN 201822215231 U CN201822215231 U CN 201822215231U CN 209762682 U CN209762682 U CN 209762682U
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- Prior art keywords
- oil
- oil supply
- pipeline
- supply pump
- valve
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- Expired - Fee Related
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Abstract
The utility model discloses a coal mill oil station, which comprises an oil tank, wherein the oil tank is connected with an oil supply device, the oil supply device is connected with a filter through a pipeline, the filter is connected with an oil supply pipeline, and the oil supply pipeline is connected with an oil outlet; the oil tank is also provided with an oil return pipeline, and the oil return pipeline is connected with an oil return port; the oil supply device comprises at least one oil supply pump assembly, and the oil supply pump assembly comprises an oil supply pump, a motor and a check valve; the oil supply pump is connected with the motor, the input end of the oil supply pump is connected with the oil tank, and the output end of the oil supply pump is connected with the pipeline through the check valve; the motor is connected with the control device; the utility model discloses an at least one set of fuel feeding pump subassembly set up, can guarantee when one set of fuel feeding pump subassembly goes wrong, the oil station can continue the operation to the normal operating of coal pulverizer has been guaranteed.
Description
Technical Field
The utility model relates to a mechanical lubrication technical field, concretely relates to coal pulverizer oil station.
Background
The coal mill is one of core equipment of a power plant and is responsible for grinding coal into powder and conveying the powder to power generation equipment through an air conveying system; the lubricating oil is used for lubricating and cooling the inside of the coal mill, so that the stable operation of the equipment is ensured, the lubricating oil station can keep the required pressure, temperature and cleanliness of the lubricating oil supplied to the coal mill, the equipment can be lubricated and the redundant heat of the equipment and impurities generated during the operation of the equipment are taken away, further, various mechanical faults are avoided from frequently occurring, the stable operation of the equipment is ensured, the service life of the equipment is prolonged, and the lubricating oil has good social and economic benefits, so that the quality of the operation of the coal mill is directly related to the lubrication of the coal mill.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a coal pulverizer oil station for provide lubricating oil for the coal pulverizer, guarantee the normal operating of coal pulverizer.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a coal mill oil station comprises an oil tank, wherein the oil tank is connected with an oil supply device, the oil supply device is connected with a filter through a pipeline, the filter is connected with an oil supply pipeline, and the oil supply pipeline is connected with an oil outlet; the oil tank is also provided with an oil return pipeline, and the oil return pipeline is connected with an oil return port; the oil supply device comprises at least one oil supply pump assembly, and the oil supply pump assembly comprises an oil supply pump, a motor and a check valve; the oil supply pump is connected with the motor, the input end of the oil supply pump is connected with the oil tank, and the output end of the oil supply pump is connected with the pipeline through the check valve; the motor is connected with the control device.
as a preferred technical solution of the present invention: the oil supply device also comprises a safety valve connected with the oil supply pump assembly in parallel; and two ends of the filter are connected with a differential pressure transmitter.
As a preferred technical solution of the present invention: the number of the oil supply pump assemblies is two, and the two oil supply pump assemblies are connected in parallel; and a valve is also arranged between the check valve and the pipeline, and an oil supply pump safety valve is arranged on the oil supply pump.
As a preferred technical solution of the present invention: a cooler is arranged on the oil supply pipeline, and the input end and the output end of the cooler are respectively connected with the water inlet and the water outlet; the oil supply pipeline is provided with a pressure switch, a flow switch, a pressure transmitter, a thermal resistor and a bimetallic thermometer; the pressure switch, the flow switch, the pressure transmitter and the thermal resistor are respectively connected with the control device.
As a preferred technical solution of the present invention: the tail end of the oil supply pipeline is also provided with a flexible joint and an oil supply valve; the oil supply valve is a butterfly valve; the cooler is a plate cooler, and the thermal resistor is a double-branch three-wire explosion-proof platinum thermal resistor.
As a preferred technical solution of the present invention: the oil return pipeline is connected with the oil tank through a magnetic filtering device; the tail end of the oil return pipeline is also provided with a flexible joint; an oil inlet pipeline is connected to the oil return pipeline in parallel, and the oil inlet pipeline is connected with an oil inlet; the check valve is a butterfly check valve.
As a preferred technical solution of the present invention: the oil tank is also provided with an electric heater, a first thermal resistor, a first bimetal thermometer, a liquid level switch, a liquid level liquid thermometer, an air filter and an instrument panel, wherein the electric heater, the first thermal resistor, the liquid level switch and the instrument panel are respectively connected with a control device, the lower end of the oil tank is provided with a drain outlet, and a drain valve is arranged on the drain outlet.
As a preferred technical solution of the present invention: the sewage discharge valve is a two-piece ball valve; the filter is a double-cylinder filter; the oil supply pump is a screw pump; the first thermal resistor is a double-branch three-wire explosion-proof platinum thermal resistor.
the utility model discloses following beneficial effect has:
1. through the setting of at least one set of fuel feeding pump subassembly, can guarantee when one set of fuel feeding pump subassembly goes wrong, the oil station can continue the operation to the normal operating of coal pulverizer has been guaranteed.
2. Through setting up filter and cooler, thereby can guarantee that lubricating oil is in the biggest efficiency of suitable temperature and cleanliness performance lubricating oil, guarantee the normal operating of coal pulverizer, set up relief valve and pressure differential changer, guaranteed that lubricating oil pressure is in normal operating range to the normal operating of coal pulverizer has been guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the overall structure of the present invention;
FIG. 3 is a top view of the overall structure of the present invention;
In fig. 1-3: 1. a fuel tank, 2, a fuel supply device, 3, a pipeline, 4, a filter, 5, a fuel supply pipeline, 6, a fuel outlet, 7, a fuel return pipeline, 8, a fuel return port, 9, a fuel supply pump component, 10, a fuel supply pump, 11, a motor, 12, a check valve, 13, a safety valve, 14, a differential pressure transmitter, 15, a valve, 16, a fuel supply safety valve, 17, a cooler, 18, a water inlet, 19, a water outlet, 20, a pressure switch, 21, a flow switch, 22, a pressure transmitter, 23, a first thermal resistor, 24, a first bimetal thermometer, 25, a flexible joint, 26, a fuel supply valve, 27, a magnetic filter device, 28, a fuel inlet pipeline, 29, a ferrule type ball valve, 30, a fuel inlet, 31, an electric heater, 32, a liquid level switch, 33, a liquid level liquid thermometer, 34, an air filter, 35, an instrument panel, 36, a sewage discharge port, 37, a sewage discharge valve, 39. bimetallic thermometer, 40, manometer.
Detailed Description
In order to make the objects and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-3, an embodiment of the present invention provides a coal mill oil station, which includes an oil tank 1, wherein the oil tank 1 is connected to an oil supply device 2, the oil supply device 2 is connected to a filter 4 through a pipeline 3, the filter 4 is a dual-cartridge filter, and is installed above the oil tank 1 through a filter backing plate, a stainless steel mesh is arranged inside the dual-cartridge filter, and the filtering precision reaches 0.025 mm; the filter 4 is connected with an oil supply pipeline 5, and the oil supply pipeline 5 is connected with an oil outlet 6; the oil tank 1 is also provided with an oil return pipeline 7, the oil return pipeline 7 is connected with an oil return port 8, the tail end of the oil return pipeline 7 is also provided with a first flexible joint, the oil return pipeline 7 is connected with an oil inlet pipeline 28 in parallel, and the oil inlet pipeline 28 is connected with an oil inlet 30; the oil return pipeline 7 is connected with the oil tank 1 through a magnetic filtering device 27, and the magnetic filtering device 27 is used for filtering the lubricating oil entering the oil tank and preventing the lubricating oil from being polluted.
The oil supply device comprises at least one oil supply pump assembly 9, wherein the oil supply pump assembly 9 comprises an oil supply pump 10, a motor 11 and a check valve 12; the oil supply pump 10 is a screw pump, the oil supply pump 10 is connected with the motor 11, the input end of the oil supply pump is connected with the oil tank 1, the output end of the oil supply pump is connected with the pipeline 3 through a check valve 12, and the check valve 12 is a butterfly check valve 12; the motor 11 is connected with a control device, and the control device is a PLC system or a DCS system; the oil tank 1 is also provided with an electric heater 31, a first thermal resistor 23, a first bimetal thermometer 24, a liquid level switch 32, a liquid level liquid thermometer 33, an air filter 34, an instrument panel 35, the first bimetal thermometer 24, and the liquid level liquid thermometer 33 for displaying oil temperature and oil level for monitoring by patrolmen; the electric heater 31 is started or closed according to an instruction of the control device and is used for heating lubricating oil in the oil tank 1, the first thermal resistor 23 is used for monitoring the temperature of the lubricating oil in the oil tank 1 and transmitting the temperature value to the monitoring system or the instrument panel 35 through the control device, the liquid level switch 32 is used for monitoring the height value of the liquid level in the oil tank 1 and transmitting the height value to the monitoring system or the instrument panel 35 through the control device, the instrument panel 35 is connected with the control device, the lower end of the oil tank 1 is provided with a sewage outlet 36, the sewage outlet 36 is provided with a sewage discharge valve 37, and the sewage discharge valve 37 is; the first thermal resistor 23 is a double-branch three-wire flame-proof platinum thermal resistor.
The oil supply device also comprises a safety valve 13 connected with the oil supply pump assembly 9 in parallel, and when the oil supply pressure is overlarge, the safety valve 13 is opened to prevent damage; the two ends of the filter 4 are connected with a differential pressure transmitter 14, and the two ends of the differential pressure transmitter 14 are connected with a pressure gauge 40 through a ferrule type ball valve 29, so as to monitor the pressure at the two ends of the filter 4, thereby monitoring the operating condition of the filter 4.
The two oil supply pump assemblies 9 are connected in parallel, and the two oil supply pump assemblies 9 are arranged, so that when one oil supply pump assembly is in a problem, the normal operation of an oil station can be ensured; and a valve 15 is further arranged between the check valve 12 and the pipeline 3, a fuel feed pump safety valve 16 is arranged on the fuel feed pump 10, the check valve 12 is arranged to prevent the backflow of lubricating oil when the fuel feed pump 10 stops running, and the valve 15 can be arranged to be overhauled under the condition of oil station running when the fuel feed pump assembly 9 breaks down.
The oil supply pipeline 5 is provided with a cooler 17, the input end and the output end of the cooler 17 are respectively connected with a water inlet 18 and a water outlet 19, and the cooler 17 is a plate cooler for cooling lubricating oil through circulation of cooling water to prevent the temperature of the oil supply from being too high; the oil supply pipeline 5 is provided with a pressure switch 20, a flow switch 21, a pressure transmitter 22, a thermal resistor 38 and a bimetallic thermometer 39; the pressure switch 20 is used for monitoring the pressure of the oil supply pipeline 5 and sending out an alarm signal through the control device, the flow switch 21 is used for monitoring the flow of the oil supply pipeline 5 and sending out an alarm signal through the control device, the pressure transmitter 22 transmits the detected pressure of the oil supply pipeline 5 to the instrument panel 35 and the monitoring system through the control device, and the thermal resistor 38 is a double-branch three-wire flame-proof platinum thermal resistor and is used for transmitting the monitored oil temperature to the instrument panel 35 and the monitoring system through the control device; the tail end of the oil supply pipeline 5 is also provided with a flexible joint 25 and an oil supply valve 26; the supply valve 26 is a butterfly valve.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. a coal pulverizer oil station which characterized in that: the oil tank is connected with an oil supply device, the oil supply device is connected with a filter through a pipeline, the filter is connected with an oil supply pipeline, and the oil supply pipeline is connected with an oil outlet; the oil tank is also provided with an oil return pipeline, and the oil return pipeline is connected with an oil return port; the oil supply device comprises at least one oil supply pump assembly, and the oil supply pump assembly comprises an oil supply pump, a motor and a check valve; the oil supply pump is connected with the motor, the input end of the oil supply pump is connected with the oil tank, and the output end of the oil supply pump is connected with the pipeline through the check valve; the motor is connected with the control device.
2. The coal pulverizer oil station of claim 1, wherein: the oil supply device also comprises a safety valve connected with the oil supply pump assembly in parallel; and two ends of the filter are connected with a differential pressure transmitter.
3. The coal pulverizer oil station of claim 1, wherein: the number of the oil supply pump assemblies is two, and the two oil supply pump assemblies are connected in parallel; and a valve is also arranged between the check valve and the pipeline, and an oil supply pump safety valve is arranged on the oil supply pump.
4. The coal pulverizer oil station of claim 1, wherein: a cooler is arranged on the oil supply pipeline, and the input end and the output end of the cooler are respectively connected with the water inlet and the water outlet; the oil supply pipeline is provided with a pressure switch, a flow switch, a pressure transmitter, a thermal resistor and a bimetallic thermometer; the pressure switch, the flow switch, the pressure transmitter and the thermal resistor are respectively connected with the control device.
5. The coal pulverizer oil station of claim 4, wherein: the tail end of the oil supply pipeline is also provided with a flexible joint and an oil supply valve; the oil supply valve is a butterfly valve; the cooler is a plate cooler, and the thermal resistor is a double-branch three-wire explosion-proof platinum thermal resistor.
6. The coal pulverizer oil station of claim 1, wherein: the oil return pipeline is connected with the oil tank through a magnetic filtering device; the tail end of the oil return pipeline is also provided with a flexible joint; an oil inlet pipeline is connected to the oil return pipeline in parallel, and the oil inlet pipeline is connected with an oil inlet; the check valve is a butterfly check valve.
7. The coal mill oil station of any one of claims 1-6, characterized by: the oil tank is also provided with an electric heater, a first thermal resistor, a first bimetal thermometer, a liquid level switch, a liquid level liquid thermometer, an air filter and an instrument panel, wherein the electric heater, the first thermal resistor, the liquid level switch and the instrument panel are respectively connected with a control device, the lower end of the oil tank is provided with a drain outlet, and a drain valve is arranged on the drain outlet.
8. The coal pulverizer oil station of claim 7, wherein: the sewage discharge valve is a two-piece ball valve; the filter is a double-cylinder filter; the oil supply pump is a screw pump; the first thermal resistor is a double-branch three-wire explosion-proof platinum thermal resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822215231.0U CN209762682U (en) | 2018-12-27 | 2018-12-27 | Coal mill oil station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822215231.0U CN209762682U (en) | 2018-12-27 | 2018-12-27 | Coal mill oil station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209762682U true CN209762682U (en) | 2019-12-10 |
Family
ID=68747678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822215231.0U Expired - Fee Related CN209762682U (en) | 2018-12-27 | 2018-12-27 | Coal mill oil station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209762682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234046A (en) * | 2021-12-25 | 2022-03-25 | 杭州兴龙泵业有限公司 | Skid-mounted system for mixed oil and gas transportation |
-
2018
- 2018-12-27 CN CN201822215231.0U patent/CN209762682U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234046A (en) * | 2021-12-25 | 2022-03-25 | 杭州兴龙泵业有限公司 | Skid-mounted system for mixed oil and gas transportation |
| CN114234046B (en) * | 2021-12-25 | 2024-04-09 | 杭州兴龙泵业有限公司 | Oil-gas mixed transportation skid-mounted system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20211227 |